From e5507e40371b3bb182d43d5c380bf36be65977f4 Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Thu, 4 Jan 2024 12:10:32 -0800
Subject: [PATCH 01/44] chore: Added LDAutoEnv and modified LDContext to
 include that. Add that to internal options as well.

---
 packages/shared/common/src/Context.ts         | 16 +++++++----
 .../common/src/api/context/LDAutoEnv.ts       | 28 +++++++++++++++++++
 .../src/api/context/LDMultiKindContext.ts     | 11 +++++---
 .../src/api/context/LDSingleKindContext.ts    |  3 +-
 .../shared/common/src/api/context/index.ts    |  1 +
 .../src/internal/events/LDInternalOptions.ts  |  3 ++
 .../shared/sdk-client/src/LDClientImpl.ts     | 14 +++++++---
 .../src/configuration/Configuration.ts        |  7 +++++
 8 files changed, 68 insertions(+), 15 deletions(-)
 create mode 100644 packages/shared/common/src/api/context/LDAutoEnv.ts

diff --git a/packages/shared/common/src/Context.ts b/packages/shared/common/src/Context.ts
index d371aaaf1..b459ab6f9 100644
--- a/packages/shared/common/src/Context.ts
+++ b/packages/shared/common/src/Context.ts
@@ -1,7 +1,10 @@
-/* eslint-disable no-underscore-dangle */
-// eslint-disable-next-line max-classes-per-file
-import { LDContextCommon, LDMultiKindContext, LDSingleKindContext, LDUser } from './api/context';
-import { LDContext } from './api/context/LDContext';
+import type {
+  LDContext,
+  LDContextCommon,
+  LDMultiKindContext,
+  LDSingleKindContext,
+  LDUser,
+} from './api';
 import AttributeReference from './AttributeReference';
 import { TypeValidators } from './validators';
 
@@ -84,9 +87,9 @@ function isLegacyUser(context: LDContext): context is LDUser {
  * that as well.
  */
 function isContextCommon(
-  kindOrContext: 'multi' | LDContextCommon,
+  kindOrContext: 'multi' | LDContextCommon | undefined,
 ): kindOrContext is LDContextCommon {
-  return kindOrContext && TypeValidators.Object.is(kindOrContext);
+  return !!kindOrContext && TypeValidators.Object.is(kindOrContext);
 }
 
 /**
@@ -266,6 +269,7 @@ export default class Context {
       const singleContext = context[kind];
       if (isContextCommon(singleContext)) {
         acc[kind] = singleContext;
+        // eslint-disable-next-line no-underscore-dangle
         privateAttributes[kind] = processPrivateAttributes(singleContext._meta?.privateAttributes);
       } else {
         // No early break isn't the most efficient, but it is an error condition.
diff --git a/packages/shared/common/src/api/context/LDAutoEnv.ts b/packages/shared/common/src/api/context/LDAutoEnv.ts
new file mode 100644
index 000000000..6032dd345
--- /dev/null
+++ b/packages/shared/common/src/api/context/LDAutoEnv.ts
@@ -0,0 +1,28 @@
+export interface LDApplication {
+  key: string;
+  envAttributesVersion: string;
+  id: string;
+  name: string;
+  version: string;
+  versionName: string;
+  locale: string;
+}
+
+export interface LDDevice {
+  key: string;
+  envAttributesVersion: string;
+  manufacturer: string;
+  model: string;
+  storageBytes: string;
+  memoryBytes: string;
+  os: {
+    family: string;
+    name: string;
+    version: string;
+  };
+}
+
+export interface LDAutoEnv {
+  ld_application?: LDApplication;
+  ld_device?: LDDevice;
+}
diff --git a/packages/shared/common/src/api/context/LDMultiKindContext.ts b/packages/shared/common/src/api/context/LDMultiKindContext.ts
index 8edabde44..01ca1589b 100644
--- a/packages/shared/common/src/api/context/LDMultiKindContext.ts
+++ b/packages/shared/common/src/api/context/LDMultiKindContext.ts
@@ -1,3 +1,4 @@
+import { LDAutoEnv } from './LDAutoEnv';
 import { LDContextCommon } from './LDContextCommon';
 
 /**
@@ -31,7 +32,7 @@ import { LDContextCommon } from './LDContextCommon';
  * The above multi-context contains both an 'org' and a 'user'. Each with their own key,
  * attributes, and _meta attributes.
  */
-export interface LDMultiKindContext {
+export interface LDMultiKindContext extends LDAutoEnv {
   /**
    * The kind of the context.
    */
@@ -40,8 +41,10 @@ export interface LDMultiKindContext {
   /**
    * The contexts which compose this multi-kind context.
    *
-   * These should be of type LDContextCommon. "multi" is to allow
-   * for the top level "kind" attribute.
+   * These should be of type LDContextCommon with these exceptions:
+   * "multi" is to allow for the top level "kind" attribute.
+   * "undefined" is to allow for the top level "ld_application" and ld_device
+   * attributes.
    */
-  [kind: string]: 'multi' | LDContextCommon;
+  [attribute: string]: 'multi' | LDContextCommon | undefined;
 }
diff --git a/packages/shared/common/src/api/context/LDSingleKindContext.ts b/packages/shared/common/src/api/context/LDSingleKindContext.ts
index 6ee63907b..bec138508 100644
--- a/packages/shared/common/src/api/context/LDSingleKindContext.ts
+++ b/packages/shared/common/src/api/context/LDSingleKindContext.ts
@@ -1,3 +1,4 @@
+import { LDAutoEnv } from './LDAutoEnv';
 import { LDContextCommon } from './LDContextCommon';
 
 /**
@@ -16,7 +17,7 @@ import { LDContextCommon } from './LDContextCommon';
  * The above context would be a single kind context representing an organization. It has a key
  * for that organization, and a single attribute 'someAttribute'.
  */
-export interface LDSingleKindContext extends LDContextCommon {
+export interface LDSingleKindContext extends LDContextCommon, LDAutoEnv {
   /**
    * The kind of the context.
    */
diff --git a/packages/shared/common/src/api/context/index.ts b/packages/shared/common/src/api/context/index.ts
index 4edf6d88a..d4415c70b 100644
--- a/packages/shared/common/src/api/context/index.ts
+++ b/packages/shared/common/src/api/context/index.ts
@@ -4,3 +4,4 @@ export * from './LDMultiKindContext';
 export * from './LDSingleKindContext';
 export * from './LDUser';
 export * from './LDContext';
+export * from './LDAutoEnv';
diff --git a/packages/shared/common/src/internal/events/LDInternalOptions.ts b/packages/shared/common/src/internal/events/LDInternalOptions.ts
index 898197051..17e025d79 100644
--- a/packages/shared/common/src/internal/events/LDInternalOptions.ts
+++ b/packages/shared/common/src/internal/events/LDInternalOptions.ts
@@ -1,3 +1,5 @@
+import { LDAutoEnv } from '../../api';
+
 /**
  * This is for internal use only.
  *
@@ -12,4 +14,5 @@ export type LDInternalOptions = {
   analyticsEventPath?: string;
   diagnosticEventPath?: string;
   includeAuthorizationHeader?: boolean;
+  ldAutoEnv?: LDAutoEnv;
 };
diff --git a/packages/shared/sdk-client/src/LDClientImpl.ts b/packages/shared/sdk-client/src/LDClientImpl.ts
index cfa3a7179..c29f3b38a 100644
--- a/packages/shared/sdk-client/src/LDClientImpl.ts
+++ b/packages/shared/sdk-client/src/LDClientImpl.ts
@@ -193,7 +193,7 @@ export default class LDClientImpl implements LDClient {
    */
   protected createStreamUriPath(_context: LDContext): string {
     throw new Error(
-      'createStreamUriPath not implemented. client sdks must implement createStreamUriPath for streamer to work',
+      'createStreamUriPath not implemented. Client sdks must implement createStreamUriPath for streamer to work',
     );
   }
 
@@ -231,15 +231,21 @@ export default class LDClientImpl implements LDClient {
   }
 
   // TODO: implement secure mode
-  async identify(context: LDContext, _hash?: string): Promise<void> {
-    const checkedContext = Context.fromLDContext(context);
+  async identify(c: LDContext, _hash?: string): Promise<void> {
+    const checkedContext = Context.fromLDContext(c);
     if (!checkedContext.valid) {
       const error = new Error('Context was unspecified or had no key');
       this.logger.error(error);
-      this.emitter.emit('error', context, error);
+      this.emitter.emit('error', c, error);
       return Promise.reject(error);
     }
 
+    // TODO: add auto env attributes here
+    const context = {
+      ...c,
+      ...this.config.ldAutoEnv,
+    };
+
     const { identifyPromise, identifyResolve } = this.createPromiseWithListeners();
     this.logger.debug(`Identifying ${JSON.stringify(context)}`);
     this.emitter.emit('identifying', context);
diff --git a/packages/shared/sdk-client/src/configuration/Configuration.ts b/packages/shared/sdk-client/src/configuration/Configuration.ts
index 52fe58799..40533d2c4 100644
--- a/packages/shared/sdk-client/src/configuration/Configuration.ts
+++ b/packages/shared/sdk-client/src/configuration/Configuration.ts
@@ -2,6 +2,7 @@ import {
   ApplicationTags,
   createSafeLogger,
   internal,
+  LDAutoEnv,
   LDFlagSet,
   NumberWithMinimum,
   OptionMessages,
@@ -41,6 +42,8 @@ export default class Configuration {
   public readonly tags: ApplicationTags;
   public readonly application?: { id?: string; version?: string };
   public readonly bootstrap?: 'localStorage' | LDFlagSet;
+
+  // TODO: implement requestHeaderTransform
   public readonly requestHeaderTransform?: (headers: Map<string, string>) => Map<string, string>;
   public readonly stream?: boolean;
   public readonly hash?: string;
@@ -48,6 +51,7 @@ export default class Configuration {
   public readonly wrapperVersion?: string;
 
   public readonly serviceEndpoints: ServiceEndpoints;
+  public readonly ldAutoEnv?: LDAutoEnv;
 
   // Allow indexing Configuration by a string
   [index: string]: any;
@@ -65,6 +69,9 @@ export default class Configuration {
       internalOptions.includeAuthorizationHeader,
     );
     this.tags = new ApplicationTags({ application: this.application, logger: this.logger });
+
+    // TODO: save auto env attributes
+    this.ldAutoEnv = internalOptions.ldAutoEnv;
   }
 
   validateTypesAndNames(pristineOptions: LDOptions): string[] {

From 7a151e9ac515c5922aa3cfada7cab772d42330a1 Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Thu, 4 Jan 2024 12:22:38 -0800
Subject: [PATCH 02/44] chore: Renamed ldAutoEnv to just autoEnv.

---
 .../shared/common/src/internal/events/LDInternalOptions.ts    | 2 +-
 packages/shared/sdk-client/src/LDClientImpl.ts                | 2 +-
 packages/shared/sdk-client/src/configuration/Configuration.ts | 4 ++--
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/packages/shared/common/src/internal/events/LDInternalOptions.ts b/packages/shared/common/src/internal/events/LDInternalOptions.ts
index 17e025d79..cbba8a42d 100644
--- a/packages/shared/common/src/internal/events/LDInternalOptions.ts
+++ b/packages/shared/common/src/internal/events/LDInternalOptions.ts
@@ -14,5 +14,5 @@ export type LDInternalOptions = {
   analyticsEventPath?: string;
   diagnosticEventPath?: string;
   includeAuthorizationHeader?: boolean;
-  ldAutoEnv?: LDAutoEnv;
+  autoEnv?: LDAutoEnv;
 };
diff --git a/packages/shared/sdk-client/src/LDClientImpl.ts b/packages/shared/sdk-client/src/LDClientImpl.ts
index c29f3b38a..3b1f3075a 100644
--- a/packages/shared/sdk-client/src/LDClientImpl.ts
+++ b/packages/shared/sdk-client/src/LDClientImpl.ts
@@ -243,7 +243,7 @@ export default class LDClientImpl implements LDClient {
     // TODO: add auto env attributes here
     const context = {
       ...c,
-      ...this.config.ldAutoEnv,
+      ...this.config.autoEnv,
     };
 
     const { identifyPromise, identifyResolve } = this.createPromiseWithListeners();
diff --git a/packages/shared/sdk-client/src/configuration/Configuration.ts b/packages/shared/sdk-client/src/configuration/Configuration.ts
index 40533d2c4..ed9f9f2ff 100644
--- a/packages/shared/sdk-client/src/configuration/Configuration.ts
+++ b/packages/shared/sdk-client/src/configuration/Configuration.ts
@@ -51,7 +51,7 @@ export default class Configuration {
   public readonly wrapperVersion?: string;
 
   public readonly serviceEndpoints: ServiceEndpoints;
-  public readonly ldAutoEnv?: LDAutoEnv;
+  public readonly autoEnv?: LDAutoEnv;
 
   // Allow indexing Configuration by a string
   [index: string]: any;
@@ -71,7 +71,7 @@ export default class Configuration {
     this.tags = new ApplicationTags({ application: this.application, logger: this.logger });
 
     // TODO: save auto env attributes
-    this.ldAutoEnv = internalOptions.ldAutoEnv;
+    this.autoEnv = internalOptions.autoEnv;
   }
 
   validateTypesAndNames(pristineOptions: LDOptions): string[] {

From 393f68b0ad411aca22693c6a448cfbcfc659b82b Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Thu, 4 Jan 2024 14:42:54 -0800
Subject: [PATCH 03/44] chore: add autoEnv to internal Context class.

---
 packages/shared/common/src/Context.ts          | 12 +++++++++++-
 .../shared/common/src/api/context/LDUser.ts    |  4 +++-
 packages/shared/sdk-client/src/LDClientImpl.ts | 18 +++++++++---------
 .../src/configuration/Configuration.ts         |  2 +-
 4 files changed, 24 insertions(+), 12 deletions(-)

diff --git a/packages/shared/common/src/Context.ts b/packages/shared/common/src/Context.ts
index b459ab6f9..52b7adb28 100644
--- a/packages/shared/common/src/Context.ts
+++ b/packages/shared/common/src/Context.ts
@@ -1,4 +1,5 @@
 import type {
+  LDAutoEnv,
   LDContext,
   LDContextCommon,
   LDMultiKindContext,
@@ -177,6 +178,10 @@ function legacyToSingleKind(user: LDUser): LDSingleKindContext {
   return singleKindContext;
 }
 
+function createAutoEnv({ ld_application, ld_device }: LDContext) {
+  return { ld_application, ld_device };
+}
+
 /**
  * Container for a context/contexts. Because contexts come from external code
  * they must be thoroughly validated and then formed to comply with
@@ -205,6 +210,8 @@ export default class Context {
 
   public readonly message?: string;
 
+  public autoEnv?: LDAutoEnv;
+
   static readonly userKind: string = DEFAULT_KIND;
 
   /**
@@ -292,6 +299,7 @@ export default class Context {
       const kind = kinds[0];
       const created = new Context(true, kind);
       created.context = contexts[kind];
+      created.autoEnv = createAutoEnv(context);
       created.privateAttributeReferences = privateAttributes;
       created.isUser = kind === 'user';
       return created;
@@ -299,8 +307,8 @@ export default class Context {
 
     const created = new Context(true, context.kind);
     created.contexts = contexts;
+    created.autoEnv = createAutoEnv(context);
     created.privateAttributeReferences = privateAttributes;
-
     created.isMulti = true;
     return created;
   }
@@ -324,6 +332,7 @@ export default class Context {
     const created = new Context(true, kind);
     created.isUser = kind === 'user';
     created.context = context;
+    created.autoEnv = createAutoEnv(context);
     created.privateAttributeReferences = {
       [kind]: privateAttributeReferences,
     };
@@ -337,6 +346,7 @@ export default class Context {
       return Context.contextForError('user', 'The key for the context was not valid');
     }
     const created = new Context(true, 'user');
+    created.autoEnv = createAutoEnv(context);
     created.isUser = true;
     created.wasLegacy = true;
     created.context = legacyToSingleKind(context);
diff --git a/packages/shared/common/src/api/context/LDUser.ts b/packages/shared/common/src/api/context/LDUser.ts
index d1fb2598e..78bc5edfe 100644
--- a/packages/shared/common/src/api/context/LDUser.ts
+++ b/packages/shared/common/src/api/context/LDUser.ts
@@ -1,9 +1,11 @@
+import { LDAutoEnv } from './LDAutoEnv';
+
 /**
  * A LaunchDarkly user object.
  *
  * @deprecated
  */
-export interface LDUser {
+export interface LDUser extends LDAutoEnv {
   /**
    * A unique string identifying a user.
    */
diff --git a/packages/shared/sdk-client/src/LDClientImpl.ts b/packages/shared/sdk-client/src/LDClientImpl.ts
index 3b1f3075a..12c47efe1 100644
--- a/packages/shared/sdk-client/src/LDClientImpl.ts
+++ b/packages/shared/sdk-client/src/LDClientImpl.ts
@@ -231,21 +231,21 @@ export default class LDClientImpl implements LDClient {
   }
 
   // TODO: implement secure mode
-  async identify(c: LDContext, _hash?: string): Promise<void> {
-    const checkedContext = Context.fromLDContext(c);
+  async identify(pristineContext: LDContext, _hash?: string): Promise<void> {
+    // the original context is injected with auto env attributes
+    const context = {
+      ...pristineContext,
+      ...this.config.autoEnv,
+    };
+
+    const checkedContext = Context.fromLDContext(context);
     if (!checkedContext.valid) {
       const error = new Error('Context was unspecified or had no key');
       this.logger.error(error);
-      this.emitter.emit('error', c, error);
+      this.emitter.emit('error', context, error);
       return Promise.reject(error);
     }
 
-    // TODO: add auto env attributes here
-    const context = {
-      ...c,
-      ...this.config.autoEnv,
-    };
-
     const { identifyPromise, identifyResolve } = this.createPromiseWithListeners();
     this.logger.debug(`Identifying ${JSON.stringify(context)}`);
     this.emitter.emit('identifying', context);
diff --git a/packages/shared/sdk-client/src/configuration/Configuration.ts b/packages/shared/sdk-client/src/configuration/Configuration.ts
index ed9f9f2ff..4369e86b3 100644
--- a/packages/shared/sdk-client/src/configuration/Configuration.ts
+++ b/packages/shared/sdk-client/src/configuration/Configuration.ts
@@ -70,7 +70,7 @@ export default class Configuration {
     );
     this.tags = new ApplicationTags({ application: this.application, logger: this.logger });
 
-    // TODO: save auto env attributes
+    // TODO: add logic to process auto env attributes correctly
     this.autoEnv = internalOptions.autoEnv;
   }
 

From 0f1700c7186d6e3b847048e58cebbf81d5e8da03 Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Thu, 4 Jan 2024 14:50:28 -0800
Subject: [PATCH 04/44] chore: Add skeletal rn autoEnv code.

---
 .../react-native/src/ReactNativeLDClient.ts   |  2 ++
 .../sdk/react-native/src/createAutoEnv.ts     | 29 +++++++++++++++++++
 2 files changed, 31 insertions(+)
 create mode 100644 packages/sdk/react-native/src/createAutoEnv.ts

diff --git a/packages/sdk/react-native/src/ReactNativeLDClient.ts b/packages/sdk/react-native/src/ReactNativeLDClient.ts
index 5058b4b9a..17f819d22 100644
--- a/packages/sdk/react-native/src/ReactNativeLDClient.ts
+++ b/packages/sdk/react-native/src/ReactNativeLDClient.ts
@@ -7,6 +7,7 @@ import {
   type LDOptions,
 } from '@launchdarkly/js-client-sdk-common';
 
+import createAutoEnv from './createAutoEnv';
 import createPlatform from './platform';
 
 /**
@@ -41,6 +42,7 @@ export default class ReactNativeLDClient extends LDClientImpl {
     const internalOptions: internal.LDInternalOptions = {
       analyticsEventPath: `/mobile`,
       diagnosticEventPath: `/mobile/events/diagnostic`,
+      autoEnv: createAutoEnv(),
     };
 
     super(sdkKey, createPlatform(logger), { ...options, logger }, internalOptions);
diff --git a/packages/sdk/react-native/src/createAutoEnv.ts b/packages/sdk/react-native/src/createAutoEnv.ts
new file mode 100644
index 000000000..8f39ed9c9
--- /dev/null
+++ b/packages/sdk/react-native/src/createAutoEnv.ts
@@ -0,0 +1,29 @@
+import type { LDAutoEnv } from '@launchdarkly/js-sdk-common';
+
+export default function createAutoEnv(): LDAutoEnv {
+  // TODO: populate env fields correctly
+  return {
+    ld_application: {
+      key: '',
+      envAttributesVersion: '',
+      id: '',
+      name: '',
+      version: '',
+      versionName: '',
+      locale: '',
+    },
+    ld_device: {
+      key: '',
+      envAttributesVersion: '',
+      manufacturer: '',
+      model: '',
+      storageBytes: '',
+      memoryBytes: '',
+      os: {
+        family: '',
+        name: '',
+        version: '',
+      },
+    },
+  };
+}

From 7bf8e043123822639797ac04abe4c08a1d054828 Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Fri, 5 Jan 2024 12:07:56 -0800
Subject: [PATCH 05/44] Update createAutoEnv.ts

---
 packages/sdk/react-native/src/createAutoEnv.ts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/packages/sdk/react-native/src/createAutoEnv.ts b/packages/sdk/react-native/src/createAutoEnv.ts
index 8f39ed9c9..40aecef7e 100644
--- a/packages/sdk/react-native/src/createAutoEnv.ts
+++ b/packages/sdk/react-native/src/createAutoEnv.ts
@@ -4,6 +4,13 @@ export default function createAutoEnv(): LDAutoEnv {
   // TODO: populate env fields correctly
   return {
     ld_application: {
+      /**
+       * Priority for id, version and versionName:
+       *
+       * 1. Customer provided values via configuration or provided otherwise
+       * 2. Application info collected from the platform via platform APIs
+       * 3. LaunchDarkly SDK info such as SDK name and version
+       */
       key: '',
       envAttributesVersion: '',
       id: '',

From 891768199e863983c581e245a4c47d765a141480 Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Sat, 13 Jan 2024 17:49:28 -0800
Subject: [PATCH 06/44] chore: move autoEnv to platform.info.

---
 packages/sdk/react-native/src/ReactNativeLDClient.ts      | 3 +--
 .../sdk/react-native/src/{ => platform}/createAutoEnv.ts  | 0
 packages/sdk/react-native/src/platform/index.ts           | 2 ++
 packages/shared/common/src/api/platform/Info.ts           | 8 ++++++++
 .../common/src/internal/events/LDInternalOptions.ts       | 3 ---
 packages/shared/sdk-client/src/LDClientImpl.ts            | 7 ++++++-
 .../shared/sdk-client/src/configuration/Configuration.ts  | 4 ----
 7 files changed, 17 insertions(+), 10 deletions(-)
 rename packages/sdk/react-native/src/{ => platform}/createAutoEnv.ts (100%)

diff --git a/packages/sdk/react-native/src/ReactNativeLDClient.ts b/packages/sdk/react-native/src/ReactNativeLDClient.ts
index 17f819d22..663f0aee7 100644
--- a/packages/sdk/react-native/src/ReactNativeLDClient.ts
+++ b/packages/sdk/react-native/src/ReactNativeLDClient.ts
@@ -7,8 +7,8 @@ import {
   type LDOptions,
 } from '@launchdarkly/js-client-sdk-common';
 
-import createAutoEnv from './createAutoEnv';
 import createPlatform from './platform';
+import createAutoEnv from './platform/createAutoEnv';
 
 /**
  * The React Native LaunchDarkly client. Instantiate this class to create an
@@ -42,7 +42,6 @@ export default class ReactNativeLDClient extends LDClientImpl {
     const internalOptions: internal.LDInternalOptions = {
       analyticsEventPath: `/mobile`,
       diagnosticEventPath: `/mobile/events/diagnostic`,
-      autoEnv: createAutoEnv(),
     };
 
     super(sdkKey, createPlatform(logger), { ...options, logger }, internalOptions);
diff --git a/packages/sdk/react-native/src/createAutoEnv.ts b/packages/sdk/react-native/src/platform/createAutoEnv.ts
similarity index 100%
rename from packages/sdk/react-native/src/createAutoEnv.ts
rename to packages/sdk/react-native/src/platform/createAutoEnv.ts
diff --git a/packages/sdk/react-native/src/platform/index.ts b/packages/sdk/react-native/src/platform/index.ts
index ba2db6299..037086340 100644
--- a/packages/sdk/react-native/src/platform/index.ts
+++ b/packages/sdk/react-native/src/platform/index.ts
@@ -22,6 +22,7 @@ import { name, version } from '../../package.json';
 import { btoa, uuidv4 } from '../polyfills';
 import RNEventSource from '../react-native-sse';
 import AsyncStorage from './ConditionalAsyncStorage';
+import createAutoEnv from './createAutoEnv';
 
 class PlatformRequests implements Requests {
   createEventSource(url: string, eventSourceInitDict: EventSourceInitDict): EventSource {
@@ -46,6 +47,7 @@ class PlatformInfo implements Info {
   platformData(): PlatformData {
     return {
       name: 'React Native',
+      autoEnv: createAutoEnv(),
     };
   }
 
diff --git a/packages/shared/common/src/api/platform/Info.ts b/packages/shared/common/src/api/platform/Info.ts
index 9b0bf40f6..7a014781d 100644
--- a/packages/shared/common/src/api/platform/Info.ts
+++ b/packages/shared/common/src/api/platform/Info.ts
@@ -1,3 +1,5 @@
+import { LDAutoEnv } from '../context';
+
 /**
  * Information about the platform of the SDK and the environment it is executing.
  */
@@ -31,6 +33,12 @@ export interface PlatformData {
    * Any additional attributes associated with the platform.
    */
   additional?: Record<string, string>;
+
+  /**
+   * Additional information about the executing environment. Should be populated
+   * when available. Not all platforms will make this data accessible.
+   */
+  autoEnv?: LDAutoEnv;
 }
 
 export interface SdkData {
diff --git a/packages/shared/common/src/internal/events/LDInternalOptions.ts b/packages/shared/common/src/internal/events/LDInternalOptions.ts
index cbba8a42d..898197051 100644
--- a/packages/shared/common/src/internal/events/LDInternalOptions.ts
+++ b/packages/shared/common/src/internal/events/LDInternalOptions.ts
@@ -1,5 +1,3 @@
-import { LDAutoEnv } from '../../api';
-
 /**
  * This is for internal use only.
  *
@@ -14,5 +12,4 @@ export type LDInternalOptions = {
   analyticsEventPath?: string;
   diagnosticEventPath?: string;
   includeAuthorizationHeader?: boolean;
-  autoEnv?: LDAutoEnv;
 };
diff --git a/packages/shared/sdk-client/src/LDClientImpl.ts b/packages/shared/sdk-client/src/LDClientImpl.ts
index 12c47efe1..6b04e7cf0 100644
--- a/packages/shared/sdk-client/src/LDClientImpl.ts
+++ b/packages/shared/sdk-client/src/LDClientImpl.ts
@@ -3,6 +3,7 @@ import {
   clone,
   Context,
   internal,
+  LDAutoEnv,
   LDClientError,
   LDContext,
   LDEvaluationDetail,
@@ -45,6 +46,7 @@ export default class LDClientImpl implements LDClient {
   private identifyErrorListener?: (c: LDContext, err: any) => void;
 
   private readonly clientContext: ClientContext;
+  private readonly autoEnv?: LDAutoEnv;
 
   /**
    * Creates the client object synchronously. No async, no network calls.
@@ -74,6 +76,9 @@ export default class LDClientImpl implements LDClient {
       this.diagnosticsManager,
     );
     this.emitter = new LDEmitter();
+
+    // TODO: add logic to process auto env attributes correctly
+    this.autoEnv = platform.info.platformData().autoEnv;
   }
 
   allFlags(): LDFlagSet {
@@ -235,7 +240,7 @@ export default class LDClientImpl implements LDClient {
     // the original context is injected with auto env attributes
     const context = {
       ...pristineContext,
-      ...this.config.autoEnv,
+      ...this.autoEnv,
     };
 
     const checkedContext = Context.fromLDContext(context);
diff --git a/packages/shared/sdk-client/src/configuration/Configuration.ts b/packages/shared/sdk-client/src/configuration/Configuration.ts
index 4369e86b3..bb1099e69 100644
--- a/packages/shared/sdk-client/src/configuration/Configuration.ts
+++ b/packages/shared/sdk-client/src/configuration/Configuration.ts
@@ -51,7 +51,6 @@ export default class Configuration {
   public readonly wrapperVersion?: string;
 
   public readonly serviceEndpoints: ServiceEndpoints;
-  public readonly autoEnv?: LDAutoEnv;
 
   // Allow indexing Configuration by a string
   [index: string]: any;
@@ -69,9 +68,6 @@ export default class Configuration {
       internalOptions.includeAuthorizationHeader,
     );
     this.tags = new ApplicationTags({ application: this.application, logger: this.logger });
-
-    // TODO: add logic to process auto env attributes correctly
-    this.autoEnv = internalOptions.autoEnv;
   }
 
   validateTypesAndNames(pristineOptions: LDOptions): string[] {

From a36749cc44a0817a72d36becaf7ff832a7153d7e Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Sat, 13 Jan 2024 17:59:58 -0800
Subject: [PATCH 07/44] chore: rename createAutoEnv to reconstruct.

---
 packages/shared/common/src/Context.ts | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/packages/shared/common/src/Context.ts b/packages/shared/common/src/Context.ts
index 52b7adb28..ee7a0e12b 100644
--- a/packages/shared/common/src/Context.ts
+++ b/packages/shared/common/src/Context.ts
@@ -178,7 +178,7 @@ function legacyToSingleKind(user: LDUser): LDSingleKindContext {
   return singleKindContext;
 }
 
-function createAutoEnv({ ld_application, ld_device }: LDContext) {
+function reconstructAutoEnv({ ld_application, ld_device }: LDContext) {
   return { ld_application, ld_device };
 }
 
@@ -299,7 +299,7 @@ export default class Context {
       const kind = kinds[0];
       const created = new Context(true, kind);
       created.context = contexts[kind];
-      created.autoEnv = createAutoEnv(context);
+      created.autoEnv = reconstructAutoEnv(context);
       created.privateAttributeReferences = privateAttributes;
       created.isUser = kind === 'user';
       return created;
@@ -307,7 +307,7 @@ export default class Context {
 
     const created = new Context(true, context.kind);
     created.contexts = contexts;
-    created.autoEnv = createAutoEnv(context);
+    created.autoEnv = reconstructAutoEnv(context);
     created.privateAttributeReferences = privateAttributes;
     created.isMulti = true;
     return created;
@@ -332,7 +332,7 @@ export default class Context {
     const created = new Context(true, kind);
     created.isUser = kind === 'user';
     created.context = context;
-    created.autoEnv = createAutoEnv(context);
+    created.autoEnv = reconstructAutoEnv(context);
     created.privateAttributeReferences = {
       [kind]: privateAttributeReferences,
     };
@@ -346,7 +346,7 @@ export default class Context {
       return Context.contextForError('user', 'The key for the context was not valid');
     }
     const created = new Context(true, 'user');
-    created.autoEnv = createAutoEnv(context);
+    created.autoEnv = reconstructAutoEnv(context);
     created.isUser = true;
     created.wasLegacy = true;
     created.context = legacyToSingleKind(context);

From 0c5e20e933bec5e1423af48fb628851d04b57b40 Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Sat, 13 Jan 2024 18:53:39 -0800
Subject: [PATCH 08/44] chore: Added react-native-device-info. Populated
 autoEnv attributes.

---
 packages/sdk/react-native/package.json        |  3 +-
 .../src/platform/createAutoEnv.ts             | 42 ++++++++++++-------
 .../common/src/api/context/LDAutoEnv.ts       | 21 ++++++++++
 3 files changed, 50 insertions(+), 16 deletions(-)

diff --git a/packages/sdk/react-native/package.json b/packages/sdk/react-native/package.json
index b41394993..8436c9364 100644
--- a/packages/sdk/react-native/package.json
+++ b/packages/sdk/react-native/package.json
@@ -47,7 +47,8 @@
     "@launchdarkly/js-client-sdk-common": "0.1.1",
     "@react-native-async-storage/async-storage": "^1.21.0",
     "base64-js": "^1.5.1",
-    "event-target-shim": "^6.0.2"
+    "event-target-shim": "^6.0.2",
+    "react-native-device-info": "^10.12.0"
   },
   "devDependencies": {
     "@testing-library/react": "^14.1.2",
diff --git a/packages/sdk/react-native/src/platform/createAutoEnv.ts b/packages/sdk/react-native/src/platform/createAutoEnv.ts
index 40aecef7e..846e689fd 100644
--- a/packages/sdk/react-native/src/platform/createAutoEnv.ts
+++ b/packages/sdk/react-native/src/platform/createAutoEnv.ts
@@ -1,3 +1,15 @@
+import { Platform } from 'react-native';
+import {
+  getApplicationName,
+  getBundleId,
+  getManufacturerSync,
+  getMaxMemorySync,
+  getModel,
+  getReadableVersion,
+  getTotalDiskCapacitySync,
+  getVersion,
+} from 'react-native-device-info';
+
 import type { LDAutoEnv } from '@launchdarkly/js-sdk-common';
 
 export default function createAutoEnv(): LDAutoEnv {
@@ -11,25 +23,25 @@ export default function createAutoEnv(): LDAutoEnv {
        * 2. Application info collected from the platform via platform APIs
        * 3. LaunchDarkly SDK info such as SDK name and version
        */
-      key: '',
-      envAttributesVersion: '',
-      id: '',
-      name: '',
-      version: '',
-      versionName: '',
-      locale: '',
+      key: '', // TODO: needs context key
+      envAttributesVersion: '1.0',
+      id: getBundleId(),
+      name: getApplicationName(),
+      version: getVersion(),
+      versionName: getReadableVersion(),
+      locale: '', // TODO: needs https://github.com/zoontek/react-native-localize
     },
     ld_device: {
       key: '',
-      envAttributesVersion: '',
-      manufacturer: '',
-      model: '',
-      storageBytes: '',
-      memoryBytes: '',
+      envAttributesVersion: '1.0',
+      manufacturer: getManufacturerSync(),
+      model: getModel(), // "iPhone 11 Pro" or "Samsung Galaxy S10"
+      storageBytes: getTotalDiskCapacitySync().toString(),
+      memoryBytes: getMaxMemorySync().toString(),
       os: {
-        family: '',
-        name: '',
-        version: '',
+        family: Platform.OS, // TODO: investigate more
+        name: Platform.OS,
+        version: Platform.Version.toString(),
       },
     },
   };
diff --git a/packages/shared/common/src/api/context/LDAutoEnv.ts b/packages/shared/common/src/api/context/LDAutoEnv.ts
index 6032dd345..4216ffd9b 100644
--- a/packages/shared/common/src/api/context/LDAutoEnv.ts
+++ b/packages/shared/common/src/api/context/LDAutoEnv.ts
@@ -1,6 +1,17 @@
 export interface LDApplication {
+  /**
+   * Unique key for the context kind.
+   */
   key: string;
+
+  /**
+   * Version of the environment attributes schema being used.
+   */
   envAttributesVersion: string;
+
+  /**
+   * Unique identifier of the application.
+   */
   id: string;
   name: string;
   version: string;
@@ -9,13 +20,23 @@ export interface LDApplication {
 }
 
 export interface LDDevice {
+  /**
+   * Unique key for the context kind.
+   */
   key: string;
+
+  /**
+   * Version of the environment attributes schema being used.
+   */
   envAttributesVersion: string;
   manufacturer: string;
   model: string;
   storageBytes: string;
   memoryBytes: string;
   os: {
+    /**
+     * The family of operating system.
+     */
     family: string;
     name: string;
     version: string;

From e7bff679ffecbc9db2a1bd39e0d9068e37b84653 Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Sat, 13 Jan 2024 21:49:28 -0800
Subject: [PATCH 09/44] chore: Added react-native-localize. TODO: dev-info and
 localize packages are not expo go compatible.

---
 .../sdk/react-native/example/package.json     |  4 ++-
 packages/sdk/react-native/example/yarn.lock   | 25 ++++++++++++++++
 packages/sdk/react-native/package.json        |  3 +-
 .../src/platform/createAutoEnv.ts             | 30 +++++++++++++++----
 4 files changed, 55 insertions(+), 7 deletions(-)

diff --git a/packages/sdk/react-native/example/package.json b/packages/sdk/react-native/example/package.json
index df53d7ba1..6114fec43 100644
--- a/packages/sdk/react-native/example/package.json
+++ b/packages/sdk/react-native/example/package.json
@@ -27,7 +27,9 @@
     "expo-splash-screen": "~0.20.5",
     "expo-status-bar": "~1.7.1",
     "react": "18.2.0",
-    "react-native": "0.72.6"
+    "react-native": "0.72.6",
+    "react-native-device-info": "^10.12.0",
+    "react-native-localize": "^3.0.5"
   },
   "devDependencies": {
     "@babel/core": "^7.20.0",
diff --git a/packages/sdk/react-native/example/yarn.lock b/packages/sdk/react-native/example/yarn.lock
index caafa8c67..6f87b1ba4 100644
--- a/packages/sdk/react-native/example/yarn.lock
+++ b/packages/sdk/react-native/example/yarn.lock
@@ -7980,6 +7980,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"react-native-device-info@npm:^10.12.0":
+  version: 10.12.0
+  resolution: "react-native-device-info@npm:10.12.0"
+  peerDependencies:
+    react-native: "*"
+  checksum: dc3a4ada40f0de960f652f1e7962c5f2b538695cad5ad11ca85a6ab445a7f01a7123dceeb7ead234dd110a54935cb9c10fccc648cfd0d6f157041e9299075f74
+  languageName: node
+  linkType: hard
+
 "react-native-dotenv@npm:^3.4.9":
   version: 3.4.9
   resolution: "react-native-dotenv@npm:3.4.9"
@@ -8008,12 +8017,28 @@ __metadata:
     expo-status-bar: ~1.7.1
     react: 18.2.0
     react-native: 0.72.6
+    react-native-device-info: ^10.12.0
     react-native-dotenv: ^3.4.9
+    react-native-localize: ^3.0.5
     ts-jest: ^29.1.1
     typescript: ^5.2.2
   languageName: unknown
   linkType: soft
 
+"react-native-localize@npm:^3.0.5":
+  version: 3.0.5
+  resolution: "react-native-localize@npm:3.0.5"
+  peerDependencies:
+    react: ">=18.1.0"
+    react-native: ">=0.70.0"
+    react-native-macos: ">=0.70.0"
+  peerDependenciesMeta:
+    react-native-macos:
+      optional: true
+  checksum: 4c9f6daac12cdb8821d6e24be0bce7377286a3d9ece2f23d0906de260be344e7f928f80fe4f0dc36cefc715af8cbd46c507f004075d3906cb43b2df6ed1414b6
+  languageName: node
+  linkType: hard
+
 "react-native@npm:0.72.6":
   version: 0.72.6
   resolution: "react-native@npm:0.72.6"
diff --git a/packages/sdk/react-native/package.json b/packages/sdk/react-native/package.json
index 8436c9364..f6ab36cf7 100644
--- a/packages/sdk/react-native/package.json
+++ b/packages/sdk/react-native/package.json
@@ -48,7 +48,8 @@
     "@react-native-async-storage/async-storage": "^1.21.0",
     "base64-js": "^1.5.1",
     "event-target-shim": "^6.0.2",
-    "react-native-device-info": "^10.12.0"
+    "react-native-device-info": "^10.12.0",
+    "react-native-localize": "^3.0.5"
   },
   "devDependencies": {
     "@testing-library/react": "^14.1.2",
diff --git a/packages/sdk/react-native/src/platform/createAutoEnv.ts b/packages/sdk/react-native/src/platform/createAutoEnv.ts
index 846e689fd..e51552cef 100644
--- a/packages/sdk/react-native/src/platform/createAutoEnv.ts
+++ b/packages/sdk/react-native/src/platform/createAutoEnv.ts
@@ -9,11 +9,31 @@ import {
   getTotalDiskCapacitySync,
   getVersion,
 } from 'react-native-device-info';
+import { getLocales } from 'react-native-localize';
 
 import type { LDAutoEnv } from '@launchdarkly/js-sdk-common';
 
+// const sampleAutoEnv = {
+//   ld_application: {
+//     key: '',
+//     envAttributesVersion: '1.0',
+//     id: 'com.anonymous.reactnativeexample',
+//     name: 'react-native-example',
+//     version: '1.0.0',
+//     versionName: '1.0.0.1',
+//     locale: 'en-US',
+//   },
+//   ld_device: {
+//     key: '',
+//     envAttributesVersion: '1.0',
+//     manufacturer: 'Apple',
+//     model: 'iPhone SE',
+//     storageBytes: '494384795648',
+//     memoryBytes: '-1',
+//     os: { family: 'ios', name: 'ios', version: '17.2' },
+//   },
+// };
 export default function createAutoEnv(): LDAutoEnv {
-  // TODO: populate env fields correctly
   return {
     ld_application: {
       /**
@@ -23,23 +43,23 @@ export default function createAutoEnv(): LDAutoEnv {
        * 2. Application info collected from the platform via platform APIs
        * 3. LaunchDarkly SDK info such as SDK name and version
        */
-      key: '', // TODO: needs context key
+      key: '',
       envAttributesVersion: '1.0',
       id: getBundleId(),
       name: getApplicationName(),
       version: getVersion(),
       versionName: getReadableVersion(),
-      locale: '', // TODO: needs https://github.com/zoontek/react-native-localize
+      locale: getLocales()[0].languageTag,
     },
     ld_device: {
       key: '',
       envAttributesVersion: '1.0',
       manufacturer: getManufacturerSync(),
-      model: getModel(), // "iPhone 11 Pro" or "Samsung Galaxy S10"
+      model: getModel(),
       storageBytes: getTotalDiskCapacitySync().toString(),
       memoryBytes: getMaxMemorySync().toString(),
       os: {
-        family: Platform.OS, // TODO: investigate more
+        family: Platform.OS,
         name: Platform.OS,
         version: Platform.Version.toString(),
       },

From 00add5e6bab01b0808fb9dd0a489c5bae55d7839 Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Sun, 14 Jan 2024 16:21:06 -0800
Subject: [PATCH 10/44] chore: Conditionally import device-info and localize
 packages. Refactored common properties to its own interface.

---
 .../react-native/src/ReactNativeLDClient.ts   |  1 -
 .../sdk/react-native/src/platform/AutoEnv.ts  | 72 +++++++++++++++++++
 .../src/platform/createAutoEnv.ts             | 68 ------------------
 .../sdk/react-native/src/platform/index.ts    |  4 +-
 .../common/src/api/context/LDAutoEnv.ts       | 35 ++++-----
 5 files changed, 88 insertions(+), 92 deletions(-)
 create mode 100644 packages/sdk/react-native/src/platform/AutoEnv.ts
 delete mode 100644 packages/sdk/react-native/src/platform/createAutoEnv.ts

diff --git a/packages/sdk/react-native/src/ReactNativeLDClient.ts b/packages/sdk/react-native/src/ReactNativeLDClient.ts
index 663f0aee7..5058b4b9a 100644
--- a/packages/sdk/react-native/src/ReactNativeLDClient.ts
+++ b/packages/sdk/react-native/src/ReactNativeLDClient.ts
@@ -8,7 +8,6 @@ import {
 } from '@launchdarkly/js-client-sdk-common';
 
 import createPlatform from './platform';
-import createAutoEnv from './platform/createAutoEnv';
 
 /**
  * The React Native LaunchDarkly client. Instantiate this class to create an
diff --git a/packages/sdk/react-native/src/platform/AutoEnv.ts b/packages/sdk/react-native/src/platform/AutoEnv.ts
new file mode 100644
index 000000000..384272c0b
--- /dev/null
+++ b/packages/sdk/react-native/src/platform/AutoEnv.ts
@@ -0,0 +1,72 @@
+/* eslint-disable import/no-mutable-exports,global-require */
+import { Platform } from 'react-native';
+
+import type { LDAutoEnv, LDAutoEnvCommon } from '@launchdarkly/js-sdk-common';
+
+/**
+ * Priority for id, version and versionName:
+ *
+ * 1. Customer provided values via configuration or provided otherwise
+ * 2. Application info collected from the platform via platform APIs
+ * 3. LaunchDarkly SDK info such as SDK name and version
+ */
+const common: LDAutoEnvCommon = {
+  key: '',
+  envAttributesVersion: '1.0',
+};
+
+const defaultAutoEnv: LDAutoEnv = {
+  ld_application: {
+    ...common,
+  },
+  ld_device: {
+    ...common,
+    os: {
+      family: Platform.OS,
+      name: Platform.OS,
+      version: Platform.Version.toString(),
+    },
+  },
+};
+
+let autoEnv = defaultAutoEnv;
+
+try {
+  const {
+    getApplicationName,
+    getBundleId,
+    getManufacturerSync,
+    getMaxMemorySync,
+    getModel,
+    getReadableVersion,
+    getTotalDiskCapacitySync,
+    getVersion,
+  } = require('react-native-device-info');
+  const { getLocales } = require('react-native-localize');
+
+  console.log(`======= DeviceInfo supported`);
+
+  autoEnv = {
+    // @ts-ignore
+    ld_application: {
+      ...defaultAutoEnv.ld_application,
+      id: getBundleId(),
+      name: getApplicationName(),
+      version: getVersion(),
+      versionName: getReadableVersion(),
+      locale: getLocales()[0].languageTag,
+    },
+    // @ts-ignore
+    ld_device: {
+      ...defaultAutoEnv.ld_device,
+      manufacturer: getManufacturerSync(),
+      model: getModel(),
+      storageBytes: getTotalDiskCapacitySync().toString(),
+      memoryBytes: getMaxMemorySync().toString(),
+    },
+  };
+} catch (e) {
+  console.log(`======= DeviceInfo not supported, using default values. Error: ${e}`);
+}
+
+export default autoEnv;
diff --git a/packages/sdk/react-native/src/platform/createAutoEnv.ts b/packages/sdk/react-native/src/platform/createAutoEnv.ts
deleted file mode 100644
index e51552cef..000000000
--- a/packages/sdk/react-native/src/platform/createAutoEnv.ts
+++ /dev/null
@@ -1,68 +0,0 @@
-import { Platform } from 'react-native';
-import {
-  getApplicationName,
-  getBundleId,
-  getManufacturerSync,
-  getMaxMemorySync,
-  getModel,
-  getReadableVersion,
-  getTotalDiskCapacitySync,
-  getVersion,
-} from 'react-native-device-info';
-import { getLocales } from 'react-native-localize';
-
-import type { LDAutoEnv } from '@launchdarkly/js-sdk-common';
-
-// const sampleAutoEnv = {
-//   ld_application: {
-//     key: '',
-//     envAttributesVersion: '1.0',
-//     id: 'com.anonymous.reactnativeexample',
-//     name: 'react-native-example',
-//     version: '1.0.0',
-//     versionName: '1.0.0.1',
-//     locale: 'en-US',
-//   },
-//   ld_device: {
-//     key: '',
-//     envAttributesVersion: '1.0',
-//     manufacturer: 'Apple',
-//     model: 'iPhone SE',
-//     storageBytes: '494384795648',
-//     memoryBytes: '-1',
-//     os: { family: 'ios', name: 'ios', version: '17.2' },
-//   },
-// };
-export default function createAutoEnv(): LDAutoEnv {
-  return {
-    ld_application: {
-      /**
-       * Priority for id, version and versionName:
-       *
-       * 1. Customer provided values via configuration or provided otherwise
-       * 2. Application info collected from the platform via platform APIs
-       * 3. LaunchDarkly SDK info such as SDK name and version
-       */
-      key: '',
-      envAttributesVersion: '1.0',
-      id: getBundleId(),
-      name: getApplicationName(),
-      version: getVersion(),
-      versionName: getReadableVersion(),
-      locale: getLocales()[0].languageTag,
-    },
-    ld_device: {
-      key: '',
-      envAttributesVersion: '1.0',
-      manufacturer: getManufacturerSync(),
-      model: getModel(),
-      storageBytes: getTotalDiskCapacitySync().toString(),
-      memoryBytes: getMaxMemorySync().toString(),
-      os: {
-        family: Platform.OS,
-        name: Platform.OS,
-        version: Platform.Version.toString(),
-      },
-    },
-  };
-}
diff --git a/packages/sdk/react-native/src/platform/index.ts b/packages/sdk/react-native/src/platform/index.ts
index 037086340..9fc3c9c0f 100644
--- a/packages/sdk/react-native/src/platform/index.ts
+++ b/packages/sdk/react-native/src/platform/index.ts
@@ -21,8 +21,8 @@ import type {
 import { name, version } from '../../package.json';
 import { btoa, uuidv4 } from '../polyfills';
 import RNEventSource from '../react-native-sse';
+import AutoEnv from './AutoEnv';
 import AsyncStorage from './ConditionalAsyncStorage';
-import createAutoEnv from './createAutoEnv';
 
 class PlatformRequests implements Requests {
   createEventSource(url: string, eventSourceInitDict: EventSourceInitDict): EventSource {
@@ -47,7 +47,7 @@ class PlatformInfo implements Info {
   platformData(): PlatformData {
     return {
       name: 'React Native',
-      autoEnv: createAutoEnv(),
+      autoEnv: AutoEnv,
     };
   }
 
diff --git a/packages/shared/common/src/api/context/LDAutoEnv.ts b/packages/shared/common/src/api/context/LDAutoEnv.ts
index 4216ffd9b..33aa47b90 100644
--- a/packages/shared/common/src/api/context/LDAutoEnv.ts
+++ b/packages/shared/common/src/api/context/LDAutoEnv.ts
@@ -1,4 +1,4 @@
-export interface LDApplication {
+export interface LDAutoEnvCommon {
   /**
    * Unique key for the context kind.
    */
@@ -8,32 +8,25 @@ export interface LDApplication {
    * Version of the environment attributes schema being used.
    */
   envAttributesVersion: string;
+}
 
+export interface LDApplication extends LDAutoEnvCommon {
   /**
    * Unique identifier of the application.
    */
-  id: string;
-  name: string;
-  version: string;
-  versionName: string;
-  locale: string;
+  id?: string;
+  name?: string;
+  version?: string;
+  versionName?: string;
+  locale?: string;
 }
 
-export interface LDDevice {
-  /**
-   * Unique key for the context kind.
-   */
-  key: string;
-
-  /**
-   * Version of the environment attributes schema being used.
-   */
-  envAttributesVersion: string;
-  manufacturer: string;
-  model: string;
-  storageBytes: string;
-  memoryBytes: string;
-  os: {
+export interface LDDevice extends LDAutoEnvCommon {
+  manufacturer?: string;
+  model?: string;
+  storageBytes?: string;
+  memoryBytes?: string;
+  os?: {
     /**
      * The family of operating system.
      */

From f17be6b2ff214695405dca9c047362e31e154e9e Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Mon, 15 Jan 2024 12:19:20 -0800
Subject: [PATCH 11/44] chore: Removed 3rd party packages. Added locale.

---
 .../sdk/react-native/example/package.json     |  4 +-
 packages/sdk/react-native/example/yarn.lock   | 25 --------
 packages/sdk/react-native/package.json        |  4 +-
 .../sdk/react-native/src/platform/AutoEnv.ts  | 59 ++++++-------------
 packages/sdk/react-native/src/utils/locale.ts | 12 ++++
 5 files changed, 31 insertions(+), 73 deletions(-)
 create mode 100644 packages/sdk/react-native/src/utils/locale.ts

diff --git a/packages/sdk/react-native/example/package.json b/packages/sdk/react-native/example/package.json
index 6114fec43..df53d7ba1 100644
--- a/packages/sdk/react-native/example/package.json
+++ b/packages/sdk/react-native/example/package.json
@@ -27,9 +27,7 @@
     "expo-splash-screen": "~0.20.5",
     "expo-status-bar": "~1.7.1",
     "react": "18.2.0",
-    "react-native": "0.72.6",
-    "react-native-device-info": "^10.12.0",
-    "react-native-localize": "^3.0.5"
+    "react-native": "0.72.6"
   },
   "devDependencies": {
     "@babel/core": "^7.20.0",
diff --git a/packages/sdk/react-native/example/yarn.lock b/packages/sdk/react-native/example/yarn.lock
index 6f87b1ba4..caafa8c67 100644
--- a/packages/sdk/react-native/example/yarn.lock
+++ b/packages/sdk/react-native/example/yarn.lock
@@ -7980,15 +7980,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"react-native-device-info@npm:^10.12.0":
-  version: 10.12.0
-  resolution: "react-native-device-info@npm:10.12.0"
-  peerDependencies:
-    react-native: "*"
-  checksum: dc3a4ada40f0de960f652f1e7962c5f2b538695cad5ad11ca85a6ab445a7f01a7123dceeb7ead234dd110a54935cb9c10fccc648cfd0d6f157041e9299075f74
-  languageName: node
-  linkType: hard
-
 "react-native-dotenv@npm:^3.4.9":
   version: 3.4.9
   resolution: "react-native-dotenv@npm:3.4.9"
@@ -8017,28 +8008,12 @@ __metadata:
     expo-status-bar: ~1.7.1
     react: 18.2.0
     react-native: 0.72.6
-    react-native-device-info: ^10.12.0
     react-native-dotenv: ^3.4.9
-    react-native-localize: ^3.0.5
     ts-jest: ^29.1.1
     typescript: ^5.2.2
   languageName: unknown
   linkType: soft
 
-"react-native-localize@npm:^3.0.5":
-  version: 3.0.5
-  resolution: "react-native-localize@npm:3.0.5"
-  peerDependencies:
-    react: ">=18.1.0"
-    react-native: ">=0.70.0"
-    react-native-macos: ">=0.70.0"
-  peerDependenciesMeta:
-    react-native-macos:
-      optional: true
-  checksum: 4c9f6daac12cdb8821d6e24be0bce7377286a3d9ece2f23d0906de260be344e7f928f80fe4f0dc36cefc715af8cbd46c507f004075d3906cb43b2df6ed1414b6
-  languageName: node
-  linkType: hard
-
 "react-native@npm:0.72.6":
   version: 0.72.6
   resolution: "react-native@npm:0.72.6"
diff --git a/packages/sdk/react-native/package.json b/packages/sdk/react-native/package.json
index f6ab36cf7..b41394993 100644
--- a/packages/sdk/react-native/package.json
+++ b/packages/sdk/react-native/package.json
@@ -47,9 +47,7 @@
     "@launchdarkly/js-client-sdk-common": "0.1.1",
     "@react-native-async-storage/async-storage": "^1.21.0",
     "base64-js": "^1.5.1",
-    "event-target-shim": "^6.0.2",
-    "react-native-device-info": "^10.12.0",
-    "react-native-localize": "^3.0.5"
+    "event-target-shim": "^6.0.2"
   },
   "devDependencies": {
     "@testing-library/react": "^14.1.2",
diff --git a/packages/sdk/react-native/src/platform/AutoEnv.ts b/packages/sdk/react-native/src/platform/AutoEnv.ts
index 384272c0b..adc2adda6 100644
--- a/packages/sdk/react-native/src/platform/AutoEnv.ts
+++ b/packages/sdk/react-native/src/platform/AutoEnv.ts
@@ -1,8 +1,9 @@
-/* eslint-disable import/no-mutable-exports,global-require */
 import { Platform } from 'react-native';
 
 import type { LDAutoEnv, LDAutoEnvCommon } from '@launchdarkly/js-sdk-common';
 
+import locale from '../utils/locale';
+
 /**
  * Priority for id, version and versionName:
  *
@@ -15,58 +16,32 @@ const common: LDAutoEnvCommon = {
   envAttributesVersion: '1.0',
 };
 
-const defaultAutoEnv: LDAutoEnv = {
+const autoEnv: LDAutoEnv = {
   ld_application: {
     ...common,
+    // id: getBundleId(),
+    // name: getApplicationName(),
+    // version: getVersion(),
+    // versionName: getReadableVersion(),
+    locale,
   },
   ld_device: {
     ...common,
+    // manufacturer: getManufacturerSync(),
+    // model: getModel(),
+    // storageBytes: getTotalDiskCapacitySync().toString()
+    // memoryBytes: getMaxMemorySync().toString(),
     os: {
-      family: Platform.OS,
+      family: Platform.select({
+        ios: 'apple',
+        default: Platform.OS,
+      }),
       name: Platform.OS,
       version: Platform.Version.toString(),
     },
   },
 };
 
-let autoEnv = defaultAutoEnv;
-
-try {
-  const {
-    getApplicationName,
-    getBundleId,
-    getManufacturerSync,
-    getMaxMemorySync,
-    getModel,
-    getReadableVersion,
-    getTotalDiskCapacitySync,
-    getVersion,
-  } = require('react-native-device-info');
-  const { getLocales } = require('react-native-localize');
-
-  console.log(`======= DeviceInfo supported`);
-
-  autoEnv = {
-    // @ts-ignore
-    ld_application: {
-      ...defaultAutoEnv.ld_application,
-      id: getBundleId(),
-      name: getApplicationName(),
-      version: getVersion(),
-      versionName: getReadableVersion(),
-      locale: getLocales()[0].languageTag,
-    },
-    // @ts-ignore
-    ld_device: {
-      ...defaultAutoEnv.ld_device,
-      manufacturer: getManufacturerSync(),
-      model: getModel(),
-      storageBytes: getTotalDiskCapacitySync().toString(),
-      memoryBytes: getMaxMemorySync().toString(),
-    },
-  };
-} catch (e) {
-  console.log(`======= DeviceInfo not supported, using default values. Error: ${e}`);
-}
+console.log(`===== autoenv: ${JSON.stringify(autoEnv, null, 2)}`);
 
 export default autoEnv;
diff --git a/packages/sdk/react-native/src/utils/locale.ts b/packages/sdk/react-native/src/utils/locale.ts
new file mode 100644
index 000000000..d5a5fab5e
--- /dev/null
+++ b/packages/sdk/react-native/src/utils/locale.ts
@@ -0,0 +1,12 @@
+import { NativeModules, Platform } from 'react-native';
+
+/**
+ * Ripped from:
+ * https://dev.to/medaimane/localization-and-internationalization-in-react-native-reaching-global-audiences-3acj
+ */
+const locale =
+  Platform.OS === 'ios'
+    ? NativeModules.SettingsManager.settings.AppleLocale // iOS
+    : NativeModules.I18nManager.localeIdentifier; // Android and rest
+
+export default locale;

From d8609b5c7264df94748b717a8d5a3bd1d182f2e8 Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Mon, 15 Jan 2024 12:38:03 -0800
Subject: [PATCH 12/44] chore: Add manufacturer and model.

---
 .../sdk/react-native/src/platform/AutoEnv.ts  | 28 +++++++++++++++++--
 1 file changed, 25 insertions(+), 3 deletions(-)

diff --git a/packages/sdk/react-native/src/platform/AutoEnv.ts b/packages/sdk/react-native/src/platform/AutoEnv.ts
index adc2adda6..20ab69e51 100644
--- a/packages/sdk/react-native/src/platform/AutoEnv.ts
+++ b/packages/sdk/react-native/src/platform/AutoEnv.ts
@@ -1,4 +1,4 @@
-import { Platform } from 'react-native';
+import { Platform, PlatformAndroidStatic, PlatformIOSStatic } from 'react-native';
 
 import type { LDAutoEnv, LDAutoEnvCommon } from '@launchdarkly/js-sdk-common';
 
@@ -16,6 +16,21 @@ const common: LDAutoEnvCommon = {
   envAttributesVersion: '1.0',
 };
 
+const iosDeviceSelector = () => {
+  const iosPlatform = Platform as PlatformIOSStatic;
+  console.log(`====== systemName: ${iosPlatform.constants.systemName}`);
+
+  if (iosPlatform.isTV) {
+    return 'appleTV';
+  }
+
+  if (iosPlatform.isPad) {
+    return 'iPad';
+  }
+
+  return 'iPhone';
+};
+
 const autoEnv: LDAutoEnv = {
   ld_application: {
     ...common,
@@ -27,8 +42,15 @@ const autoEnv: LDAutoEnv = {
   },
   ld_device: {
     ...common,
-    // manufacturer: getManufacturerSync(),
-    // model: getModel(),
+    manufacturer: Platform.select({
+      ios: 'apple',
+      android: (Platform as PlatformAndroidStatic).constants.Manufacturer,
+    }),
+    model: Platform.select({
+      ios: iosDeviceSelector(),
+      android: (Platform as PlatformAndroidStatic).constants.Model,
+      macos: 'mac',
+    }),
     // storageBytes: getTotalDiskCapacitySync().toString()
     // memoryBytes: getMaxMemorySync().toString(),
     os: {

From 3a7c733c63b835b2a90be1e62991d0f6e0e3b9e5 Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Mon, 15 Jan 2024 13:21:07 -0800
Subject: [PATCH 13/44] chore: remove iosDeviceSelector.

---
 .../sdk/react-native/src/platform/AutoEnv.ts  | 19 -------------------
 1 file changed, 19 deletions(-)

diff --git a/packages/sdk/react-native/src/platform/AutoEnv.ts b/packages/sdk/react-native/src/platform/AutoEnv.ts
index 20ab69e51..b571f6405 100644
--- a/packages/sdk/react-native/src/platform/AutoEnv.ts
+++ b/packages/sdk/react-native/src/platform/AutoEnv.ts
@@ -16,21 +16,6 @@ const common: LDAutoEnvCommon = {
   envAttributesVersion: '1.0',
 };
 
-const iosDeviceSelector = () => {
-  const iosPlatform = Platform as PlatformIOSStatic;
-  console.log(`====== systemName: ${iosPlatform.constants.systemName}`);
-
-  if (iosPlatform.isTV) {
-    return 'appleTV';
-  }
-
-  if (iosPlatform.isPad) {
-    return 'iPad';
-  }
-
-  return 'iPhone';
-};
-
 const autoEnv: LDAutoEnv = {
   ld_application: {
     ...common,
@@ -47,12 +32,8 @@ const autoEnv: LDAutoEnv = {
       android: (Platform as PlatformAndroidStatic).constants.Manufacturer,
     }),
     model: Platform.select({
-      ios: iosDeviceSelector(),
       android: (Platform as PlatformAndroidStatic).constants.Model,
-      macos: 'mac',
     }),
-    // storageBytes: getTotalDiskCapacitySync().toString()
-    // memoryBytes: getMaxMemorySync().toString(),
     os: {
       family: Platform.select({
         ios: 'apple',

From 0ba37cb112faef0d9069e9697583d77ff1ce2e38 Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Tue, 16 Jan 2024 14:58:34 -0800
Subject: [PATCH 14/44] chore: moved dotenv in example app to dep. Removed
 redundant application autoEnv.

---
 packages/sdk/react-native/example/package.json    | 4 ++--
 packages/sdk/react-native/src/platform/AutoEnv.ts | 6 +-----
 2 files changed, 3 insertions(+), 7 deletions(-)

diff --git a/packages/sdk/react-native/example/package.json b/packages/sdk/react-native/example/package.json
index df53d7ba1..717389b22 100644
--- a/packages/sdk/react-native/example/package.json
+++ b/packages/sdk/react-native/example/package.json
@@ -27,7 +27,8 @@
     "expo-splash-screen": "~0.20.5",
     "expo-status-bar": "~1.7.1",
     "react": "18.2.0",
-    "react-native": "0.72.6"
+    "react-native": "0.72.6",
+    "react-native-dotenv": "^3.4.9"
   },
   "devDependencies": {
     "@babel/core": "^7.20.0",
@@ -37,7 +38,6 @@
     "@types/react": "~18.2.14",
     "@types/react-native-dotenv": "^0.2.1",
     "detox": "^20.14.7",
-    "react-native-dotenv": "^3.4.9",
     "ts-jest": "^29.1.1",
     "typescript": "^5.2.2"
   }
diff --git a/packages/sdk/react-native/src/platform/AutoEnv.ts b/packages/sdk/react-native/src/platform/AutoEnv.ts
index b571f6405..8be812462 100644
--- a/packages/sdk/react-native/src/platform/AutoEnv.ts
+++ b/packages/sdk/react-native/src/platform/AutoEnv.ts
@@ -1,4 +1,4 @@
-import { Platform, PlatformAndroidStatic, PlatformIOSStatic } from 'react-native';
+import { Platform, PlatformAndroidStatic } from 'react-native';
 
 import type { LDAutoEnv, LDAutoEnvCommon } from '@launchdarkly/js-sdk-common';
 
@@ -19,10 +19,6 @@ const common: LDAutoEnvCommon = {
 const autoEnv: LDAutoEnv = {
   ld_application: {
     ...common,
-    // id: getBundleId(),
-    // name: getApplicationName(),
-    // version: getVersion(),
-    // versionName: getReadableVersion(),
     locale,
   },
   ld_device: {

From bf843c4a75196c104b626b08fe44c17160ee95b7 Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Thu, 18 Jan 2024 22:54:21 -0800
Subject: [PATCH 15/44] chore: Simplify auto env by using application and
 device directly. Removed LDAutoEnv interface. Remove auto env from LDUser and
 LDSingleKind.

---
 .../src/ReactNativeLDClient.test.ts           |  2 +
 .../sdk/react-native/src/platform/AutoEnv.ts  | 46 -------------------
 .../sdk/react-native/src/platform/autoEnv.ts  | 38 +++++++++++++++
 .../sdk/react-native/src/platform/index.ts    | 19 ++++++--
 .../src/{utils => platform}/locale.ts         |  0
 packages/shared/common/src/Context.ts         | 17 +++----
 .../src/api/context/LDMultiKindContext.ts     | 10 ++--
 .../src/api/context/LDSingleKindContext.ts    |  3 +-
 .../shared/common/src/api/context/LDUser.ts   |  4 +-
 .../shared/common/src/api/context/index.ts    |  1 -
 .../LDAutoEnv.ts => platform/AutoEnv.ts}      | 11 ++---
 .../shared/common/src/api/platform/Info.ts    | 12 +++--
 .../shared/common/src/api/platform/index.ts   |  5 +-
 .../shared/sdk-client/src/LDClientImpl.ts     | 12 ++---
 .../src/configuration/Configuration.ts        |  1 -
 15 files changed, 87 insertions(+), 94 deletions(-)
 delete mode 100644 packages/sdk/react-native/src/platform/AutoEnv.ts
 create mode 100644 packages/sdk/react-native/src/platform/autoEnv.ts
 rename packages/sdk/react-native/src/{utils => platform}/locale.ts (100%)
 rename packages/shared/common/src/api/{context/LDAutoEnv.ts => platform/AutoEnv.ts} (70%)

diff --git a/packages/sdk/react-native/src/ReactNativeLDClient.test.ts b/packages/sdk/react-native/src/ReactNativeLDClient.test.ts
index f7c9f717f..7b18bea21 100644
--- a/packages/sdk/react-native/src/ReactNativeLDClient.test.ts
+++ b/packages/sdk/react-native/src/ReactNativeLDClient.test.ts
@@ -2,6 +2,8 @@ import { type LDContext } from '@launchdarkly/js-client-sdk-common';
 
 import ReactNativeLDClient from './ReactNativeLDClient';
 
+// TODO: fix broken tests due to transform error after importing PlatformAndroidStatic in autoEnv.ts
+
 describe('ReactNativeLDClient', () => {
   let ldc: ReactNativeLDClient;
 
diff --git a/packages/sdk/react-native/src/platform/AutoEnv.ts b/packages/sdk/react-native/src/platform/AutoEnv.ts
deleted file mode 100644
index 8be812462..000000000
--- a/packages/sdk/react-native/src/platform/AutoEnv.ts
+++ /dev/null
@@ -1,46 +0,0 @@
-import { Platform, PlatformAndroidStatic } from 'react-native';
-
-import type { LDAutoEnv, LDAutoEnvCommon } from '@launchdarkly/js-sdk-common';
-
-import locale from '../utils/locale';
-
-/**
- * Priority for id, version and versionName:
- *
- * 1. Customer provided values via configuration or provided otherwise
- * 2. Application info collected from the platform via platform APIs
- * 3. LaunchDarkly SDK info such as SDK name and version
- */
-const common: LDAutoEnvCommon = {
-  key: '',
-  envAttributesVersion: '1.0',
-};
-
-const autoEnv: LDAutoEnv = {
-  ld_application: {
-    ...common,
-    locale,
-  },
-  ld_device: {
-    ...common,
-    manufacturer: Platform.select({
-      ios: 'apple',
-      android: (Platform as PlatformAndroidStatic).constants.Manufacturer,
-    }),
-    model: Platform.select({
-      android: (Platform as PlatformAndroidStatic).constants.Model,
-    }),
-    os: {
-      family: Platform.select({
-        ios: 'apple',
-        default: Platform.OS,
-      }),
-      name: Platform.OS,
-      version: Platform.Version.toString(),
-    },
-  },
-};
-
-console.log(`===== autoenv: ${JSON.stringify(autoEnv, null, 2)}`);
-
-export default autoEnv;
diff --git a/packages/sdk/react-native/src/platform/autoEnv.ts b/packages/sdk/react-native/src/platform/autoEnv.ts
new file mode 100644
index 000000000..bbbb5991c
--- /dev/null
+++ b/packages/sdk/react-native/src/platform/autoEnv.ts
@@ -0,0 +1,38 @@
+import { Platform, type PlatformAndroidStatic } from 'react-native';
+
+import type { LDApplication, LDDevice } from '@launchdarkly/js-sdk-common';
+
+import locale from './locale';
+
+export const ldApplication: LDApplication = {
+  key: '',
+  envAttributesVersion: '1.0',
+
+  // TODO: populate application ID, name, version, versionName
+  id: '',
+  name: '',
+  version: '',
+  versionName: '',
+  locale,
+};
+
+export const ldDevice: LDDevice = {
+  key: '',
+  envAttributesVersion: '1.0',
+  manufacturer: Platform.select({
+    ios: 'apple',
+    android: (Platform as PlatformAndroidStatic).constants.Manufacturer,
+  }),
+  model: Platform.select({
+    // ios: model n/a from PlatformIOSStatic
+    android: (Platform as PlatformAndroidStatic).constants.Model,
+  }),
+  os: {
+    family: Platform.select({
+      ios: 'apple',
+      default: Platform.OS,
+    }),
+    name: Platform.OS,
+    version: Platform.Version.toString(),
+  },
+};
diff --git a/packages/sdk/react-native/src/platform/index.ts b/packages/sdk/react-native/src/platform/index.ts
index 9fc3c9c0f..2320da907 100644
--- a/packages/sdk/react-native/src/platform/index.ts
+++ b/packages/sdk/react-native/src/platform/index.ts
@@ -21,7 +21,7 @@ import type {
 import { name, version } from '../../package.json';
 import { btoa, uuidv4 } from '../polyfills';
 import RNEventSource from '../react-native-sse';
-import AutoEnv from './AutoEnv';
+import { ldApplication, ldDevice } from './autoEnv';
 import AsyncStorage from './ConditionalAsyncStorage';
 
 class PlatformRequests implements Requests {
@@ -44,19 +44,28 @@ class PlatformEncoding implements Encoding {
 }
 
 class PlatformInfo implements Info {
+  constructor(private readonly logger: LDLogger) {}
+
   platformData(): PlatformData {
-    return {
+    const data = {
       name: 'React Native',
-      autoEnv: AutoEnv,
+      ld_application: ldApplication,
+      ld_device: ldDevice,
     };
+
+    this.logger.debug(`platformData: ${JSON.stringify(data, null, 2)}`);
+    return data;
   }
 
   sdkData(): SdkData {
-    return {
+    const data = {
       name,
       version,
       userAgentBase: 'ReactNativeClient',
     };
+
+    this.logger.debug(`sdkData: ${JSON.stringify(data, null, 2)}`);
+    return data;
   }
 }
 
@@ -101,7 +110,7 @@ class PlatformStorage implements Storage {
 
 const createPlatform = (logger: LDLogger): Platform => ({
   crypto: new PlatformCrypto(),
-  info: new PlatformInfo(),
+  info: new PlatformInfo(logger),
   requests: new PlatformRequests(),
   encoding: new PlatformEncoding(),
   storage: new PlatformStorage(logger),
diff --git a/packages/sdk/react-native/src/utils/locale.ts b/packages/sdk/react-native/src/platform/locale.ts
similarity index 100%
rename from packages/sdk/react-native/src/utils/locale.ts
rename to packages/sdk/react-native/src/platform/locale.ts
diff --git a/packages/shared/common/src/Context.ts b/packages/shared/common/src/Context.ts
index ee7a0e12b..03dac5532 100644
--- a/packages/shared/common/src/Context.ts
+++ b/packages/shared/common/src/Context.ts
@@ -1,5 +1,4 @@
 import type {
-  LDAutoEnv,
   LDContext,
   LDContextCommon,
   LDMultiKindContext,
@@ -178,10 +177,6 @@ function legacyToSingleKind(user: LDUser): LDSingleKindContext {
   return singleKindContext;
 }
 
-function reconstructAutoEnv({ ld_application, ld_device }: LDContext) {
-  return { ld_application, ld_device };
-}
-
 /**
  * Container for a context/contexts. Because contexts come from external code
  * they must be thoroughly validated and then formed to comply with
@@ -210,8 +205,6 @@ export default class Context {
 
   public readonly message?: string;
 
-  public autoEnv?: LDAutoEnv;
-
   static readonly userKind: string = DEFAULT_KIND;
 
   /**
@@ -299,7 +292,9 @@ export default class Context {
       const kind = kinds[0];
       const created = new Context(true, kind);
       created.context = contexts[kind];
-      created.autoEnv = reconstructAutoEnv(context);
+
+      // TODO: make application and device first class citizens
+      // created.autoEnv = reconstructAutoEnv(context);
       created.privateAttributeReferences = privateAttributes;
       created.isUser = kind === 'user';
       return created;
@@ -307,7 +302,7 @@ export default class Context {
 
     const created = new Context(true, context.kind);
     created.contexts = contexts;
-    created.autoEnv = reconstructAutoEnv(context);
+    // created.autoEnv = reconstructAutoEnv(context);
     created.privateAttributeReferences = privateAttributes;
     created.isMulti = true;
     return created;
@@ -332,7 +327,7 @@ export default class Context {
     const created = new Context(true, kind);
     created.isUser = kind === 'user';
     created.context = context;
-    created.autoEnv = reconstructAutoEnv(context);
+    // created.autoEnv = reconstructAutoEnv(context);
     created.privateAttributeReferences = {
       [kind]: privateAttributeReferences,
     };
@@ -346,7 +341,7 @@ export default class Context {
       return Context.contextForError('user', 'The key for the context was not valid');
     }
     const created = new Context(true, 'user');
-    created.autoEnv = reconstructAutoEnv(context);
+    // created.autoEnv = reconstructAutoEnv(context);
     created.isUser = true;
     created.wasLegacy = true;
     created.context = legacyToSingleKind(context);
diff --git a/packages/shared/common/src/api/context/LDMultiKindContext.ts b/packages/shared/common/src/api/context/LDMultiKindContext.ts
index 01ca1589b..6153f132e 100644
--- a/packages/shared/common/src/api/context/LDMultiKindContext.ts
+++ b/packages/shared/common/src/api/context/LDMultiKindContext.ts
@@ -1,5 +1,5 @@
-import { LDAutoEnv } from './LDAutoEnv';
-import { LDContextCommon } from './LDContextCommon';
+import type { LDApplication, LDDevice } from '../platform';
+import type { LDContextCommon } from './LDContextCommon';
 
 /**
  * A context which represents multiple kinds. Each kind having its own key and attributes.
@@ -32,12 +32,16 @@ import { LDContextCommon } from './LDContextCommon';
  * The above multi-context contains both an 'org' and a 'user'. Each with their own key,
  * attributes, and _meta attributes.
  */
-export interface LDMultiKindContext extends LDAutoEnv {
+export interface LDMultiKindContext {
   /**
    * The kind of the context.
    */
   kind: 'multi';
 
+  ld_application?: LDApplication;
+
+  ld_device?: LDDevice;
+
   /**
    * The contexts which compose this multi-kind context.
    *
diff --git a/packages/shared/common/src/api/context/LDSingleKindContext.ts b/packages/shared/common/src/api/context/LDSingleKindContext.ts
index bec138508..6ee63907b 100644
--- a/packages/shared/common/src/api/context/LDSingleKindContext.ts
+++ b/packages/shared/common/src/api/context/LDSingleKindContext.ts
@@ -1,4 +1,3 @@
-import { LDAutoEnv } from './LDAutoEnv';
 import { LDContextCommon } from './LDContextCommon';
 
 /**
@@ -17,7 +16,7 @@ import { LDContextCommon } from './LDContextCommon';
  * The above context would be a single kind context representing an organization. It has a key
  * for that organization, and a single attribute 'someAttribute'.
  */
-export interface LDSingleKindContext extends LDContextCommon, LDAutoEnv {
+export interface LDSingleKindContext extends LDContextCommon {
   /**
    * The kind of the context.
    */
diff --git a/packages/shared/common/src/api/context/LDUser.ts b/packages/shared/common/src/api/context/LDUser.ts
index 78bc5edfe..d1fb2598e 100644
--- a/packages/shared/common/src/api/context/LDUser.ts
+++ b/packages/shared/common/src/api/context/LDUser.ts
@@ -1,11 +1,9 @@
-import { LDAutoEnv } from './LDAutoEnv';
-
 /**
  * A LaunchDarkly user object.
  *
  * @deprecated
  */
-export interface LDUser extends LDAutoEnv {
+export interface LDUser {
   /**
    * A unique string identifying a user.
    */
diff --git a/packages/shared/common/src/api/context/index.ts b/packages/shared/common/src/api/context/index.ts
index d4415c70b..4edf6d88a 100644
--- a/packages/shared/common/src/api/context/index.ts
+++ b/packages/shared/common/src/api/context/index.ts
@@ -4,4 +4,3 @@ export * from './LDMultiKindContext';
 export * from './LDSingleKindContext';
 export * from './LDUser';
 export * from './LDContext';
-export * from './LDAutoEnv';
diff --git a/packages/shared/common/src/api/context/LDAutoEnv.ts b/packages/shared/common/src/api/platform/AutoEnv.ts
similarity index 70%
rename from packages/shared/common/src/api/context/LDAutoEnv.ts
rename to packages/shared/common/src/api/platform/AutoEnv.ts
index 33aa47b90..536374d14 100644
--- a/packages/shared/common/src/api/context/LDAutoEnv.ts
+++ b/packages/shared/common/src/api/platform/AutoEnv.ts
@@ -1,4 +1,4 @@
-export interface LDAutoEnvCommon {
+interface AutoEnvCommon {
   /**
    * Unique key for the context kind.
    */
@@ -10,7 +10,7 @@ export interface LDAutoEnvCommon {
   envAttributesVersion: string;
 }
 
-export interface LDApplication extends LDAutoEnvCommon {
+export interface LDApplication extends AutoEnvCommon {
   /**
    * Unique identifier of the application.
    */
@@ -21,7 +21,7 @@ export interface LDApplication extends LDAutoEnvCommon {
   locale?: string;
 }
 
-export interface LDDevice extends LDAutoEnvCommon {
+export interface LDDevice extends AutoEnvCommon {
   manufacturer?: string;
   model?: string;
   storageBytes?: string;
@@ -35,8 +35,3 @@ export interface LDDevice extends LDAutoEnvCommon {
     version: string;
   };
 }
-
-export interface LDAutoEnv {
-  ld_application?: LDApplication;
-  ld_device?: LDDevice;
-}
diff --git a/packages/shared/common/src/api/platform/Info.ts b/packages/shared/common/src/api/platform/Info.ts
index 7a014781d..9a9895ff5 100644
--- a/packages/shared/common/src/api/platform/Info.ts
+++ b/packages/shared/common/src/api/platform/Info.ts
@@ -1,4 +1,4 @@
-import { LDAutoEnv } from '../context';
+import type { LDApplication, LDDevice } from './AutoEnv';
 
 /**
  * Information about the platform of the SDK and the environment it is executing.
@@ -36,9 +36,15 @@ export interface PlatformData {
 
   /**
    * Additional information about the executing environment. Should be populated
-   * when available. Not all platforms will make this data accessible.
+   * when available. Not all platforms will have this data.
+   */
+  ld_application?: LDApplication;
+
+  /**
+   * Device hardware information. Should be populated when available. Not all
+   * platforms will have this data.
    */
-  autoEnv?: LDAutoEnv;
+  ld_device?: LDDevice;
 }
 
 export interface SdkData {
diff --git a/packages/shared/common/src/api/platform/index.ts b/packages/shared/common/src/api/platform/index.ts
index ff46f3af4..bf787b595 100644
--- a/packages/shared/common/src/api/platform/index.ts
+++ b/packages/shared/common/src/api/platform/index.ts
@@ -1,8 +1,9 @@
-export * from './Encoding';
+export * from './AutoEnv';
 export * from './Crypto';
+export * from './Encoding';
+export * from './EventSource';
 export * from './Filesystem';
 export * from './Info';
 export * from './Platform';
 export * from './Requests';
-export * from './EventSource';
 export * from './Storage';
diff --git a/packages/shared/sdk-client/src/LDClientImpl.ts b/packages/shared/sdk-client/src/LDClientImpl.ts
index 6b04e7cf0..1497ca69d 100644
--- a/packages/shared/sdk-client/src/LDClientImpl.ts
+++ b/packages/shared/sdk-client/src/LDClientImpl.ts
@@ -3,7 +3,6 @@ import {
   clone,
   Context,
   internal,
-  LDAutoEnv,
   LDClientError,
   LDContext,
   LDEvaluationDetail,
@@ -46,7 +45,6 @@ export default class LDClientImpl implements LDClient {
   private identifyErrorListener?: (c: LDContext, err: any) => void;
 
   private readonly clientContext: ClientContext;
-  private readonly autoEnv?: LDAutoEnv;
 
   /**
    * Creates the client object synchronously. No async, no network calls.
@@ -78,7 +76,7 @@ export default class LDClientImpl implements LDClient {
     this.emitter = new LDEmitter();
 
     // TODO: add logic to process auto env attributes correctly
-    this.autoEnv = platform.info.platformData().autoEnv;
+    // this.autoEnv = platform.info.platformData().autoEnv;
   }
 
   allFlags(): LDFlagSet {
@@ -236,12 +234,8 @@ export default class LDClientImpl implements LDClient {
   }
 
   // TODO: implement secure mode
-  async identify(pristineContext: LDContext, _hash?: string): Promise<void> {
-    // the original context is injected with auto env attributes
-    const context = {
-      ...pristineContext,
-      ...this.autoEnv,
-    };
+  async identify(context: LDContext, _hash?: string): Promise<void> {
+    // TODO: inject auto env into context
 
     const checkedContext = Context.fromLDContext(context);
     if (!checkedContext.valid) {
diff --git a/packages/shared/sdk-client/src/configuration/Configuration.ts b/packages/shared/sdk-client/src/configuration/Configuration.ts
index bb1099e69..e4f25940e 100644
--- a/packages/shared/sdk-client/src/configuration/Configuration.ts
+++ b/packages/shared/sdk-client/src/configuration/Configuration.ts
@@ -2,7 +2,6 @@ import {
   ApplicationTags,
   createSafeLogger,
   internal,
-  LDAutoEnv,
   LDFlagSet,
   NumberWithMinimum,
   OptionMessages,

From bf972c760a2409831b7e5053fd92636132017e49 Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Thu, 18 Jan 2024 23:38:59 -0800
Subject: [PATCH 16/44] chore: fix react native jest failures due to native
 dependencies re async-storage and auto env.

---
 packages/sdk/react-native/babel.config.js     |  3 +++
 packages/sdk/react-native/jest.config.ts      |  8 +++++++-
 packages/sdk/react-native/jestSetupFile.ts    | 19 +++++++++++++++++++
 packages/sdk/react-native/package.json        |  2 ++
 .../src/ReactNativeLDClient.test.ts           |  2 --
 packages/sdk/react-native/tsconfig.json       |  2 +-
 6 files changed, 32 insertions(+), 4 deletions(-)
 create mode 100644 packages/sdk/react-native/babel.config.js
 create mode 100644 packages/sdk/react-native/jestSetupFile.ts

diff --git a/packages/sdk/react-native/babel.config.js b/packages/sdk/react-native/babel.config.js
new file mode 100644
index 000000000..f842b77fc
--- /dev/null
+++ b/packages/sdk/react-native/babel.config.js
@@ -0,0 +1,3 @@
+module.exports = {
+  presets: ['module:metro-react-native-babel-preset'],
+};
diff --git a/packages/sdk/react-native/jest.config.ts b/packages/sdk/react-native/jest.config.ts
index a740765ad..ffc410840 100644
--- a/packages/sdk/react-native/jest.config.ts
+++ b/packages/sdk/react-native/jest.config.ts
@@ -1,9 +1,12 @@
 import type { JestConfigWithTsJest } from 'ts-jest';
+import { defaults as tsjPreset } from 'ts-jest/presets';
 
 const jestConfig: JestConfigWithTsJest = {
-  preset: 'ts-jest',
+  ...tsjPreset,
+  preset: 'react-native',
   testEnvironment: 'jsdom',
   transform: {
+    '^.+\\.jsx$': 'babel-jest',
     '^.+\\.tsx?$': [
       'ts-jest',
       {
@@ -11,7 +14,10 @@ const jestConfig: JestConfigWithTsJest = {
       },
     ],
   },
+  moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'],
+  transformIgnorePatterns: ['node_modules/(?!(react-native|@react-native)/)'],
   testPathIgnorePatterns: ['node_modules', 'example', 'dist'],
+  setupFiles: ['./jestSetupFile.ts'],
 };
 
 export default jestConfig;
diff --git a/packages/sdk/react-native/jestSetupFile.ts b/packages/sdk/react-native/jestSetupFile.ts
new file mode 100644
index 000000000..4b0720331
--- /dev/null
+++ b/packages/sdk/react-native/jestSetupFile.ts
@@ -0,0 +1,19 @@
+jest.mock('@react-native-async-storage/async-storage', () =>
+  require('@react-native-async-storage/async-storage/jest/async-storage-mock'),
+);
+
+jest.mock('react-native', () => {
+  const RN = jest.requireActual('react-native');
+  RN.NativeModules.SettingsManager = {
+    settings: {
+      AppleLocale: 'en-us',
+    },
+  };
+
+  // HACK: force set Platform which is read-only
+  Object.defineProperty(RN.Platform, 'Version', {
+    get: () => 21,
+  });
+
+  return RN;
+});
diff --git a/packages/sdk/react-native/package.json b/packages/sdk/react-native/package.json
index b41394993..aff43a453 100644
--- a/packages/sdk/react-native/package.json
+++ b/packages/sdk/react-native/package.json
@@ -56,6 +56,7 @@
     "@types/react": "^18.2.31",
     "@typescript-eslint/eslint-plugin": "^6.1.0",
     "@typescript-eslint/parser": "^6.1.0",
+    "babel-jest": "^29.7.0",
     "eslint": "^8.45.0",
     "eslint-config-airbnb-base": "^15.0.0",
     "eslint-config-airbnb-typescript": "^17.1.0",
@@ -64,6 +65,7 @@
     "eslint-plugin-prettier": "^5.0.0",
     "jest": "^29.7.0",
     "launchdarkly-js-test-helpers": "^2.2.0",
+    "metro-react-native-babel-preset": "^0.77.0",
     "prettier": "^3.0.0",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
diff --git a/packages/sdk/react-native/src/ReactNativeLDClient.test.ts b/packages/sdk/react-native/src/ReactNativeLDClient.test.ts
index 7b18bea21..f7c9f717f 100644
--- a/packages/sdk/react-native/src/ReactNativeLDClient.test.ts
+++ b/packages/sdk/react-native/src/ReactNativeLDClient.test.ts
@@ -2,8 +2,6 @@ import { type LDContext } from '@launchdarkly/js-client-sdk-common';
 
 import ReactNativeLDClient from './ReactNativeLDClient';
 
-// TODO: fix broken tests due to transform error after importing PlatformAndroidStatic in autoEnv.ts
-
 describe('ReactNativeLDClient', () => {
   let ldc: ReactNativeLDClient;
 
diff --git a/packages/sdk/react-native/tsconfig.json b/packages/sdk/react-native/tsconfig.json
index e5a9204be..a79d5ca77 100644
--- a/packages/sdk/react-native/tsconfig.json
+++ b/packages/sdk/react-native/tsconfig.json
@@ -18,7 +18,7 @@
     "strict": true,
     "stripInternal": true,
     "target": "ES2017",
-    "types": ["node"]
+    "types": ["node", "jest"]
   },
   "exclude": ["**/*.test.ts*", "dist", "node_modules", "__tests__", "example"]
 }

From 84ec9204e5d4e530c04ecf6fce19d480dc233121 Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Thu, 18 Jan 2024 23:43:35 -0800
Subject: [PATCH 17/44] chore: clean up jest config, remove babel-jest dep.

---
 packages/sdk/react-native/jest.config.ts | 3 ---
 packages/sdk/react-native/package.json   | 1 -
 2 files changed, 4 deletions(-)

diff --git a/packages/sdk/react-native/jest.config.ts b/packages/sdk/react-native/jest.config.ts
index ffc410840..68246526c 100644
--- a/packages/sdk/react-native/jest.config.ts
+++ b/packages/sdk/react-native/jest.config.ts
@@ -6,7 +6,6 @@ const jestConfig: JestConfigWithTsJest = {
   preset: 'react-native',
   testEnvironment: 'jsdom',
   transform: {
-    '^.+\\.jsx$': 'babel-jest',
     '^.+\\.tsx?$': [
       'ts-jest',
       {
@@ -14,8 +13,6 @@ const jestConfig: JestConfigWithTsJest = {
       },
     ],
   },
-  moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'],
-  transformIgnorePatterns: ['node_modules/(?!(react-native|@react-native)/)'],
   testPathIgnorePatterns: ['node_modules', 'example', 'dist'],
   setupFiles: ['./jestSetupFile.ts'],
 };
diff --git a/packages/sdk/react-native/package.json b/packages/sdk/react-native/package.json
index aff43a453..3994aba06 100644
--- a/packages/sdk/react-native/package.json
+++ b/packages/sdk/react-native/package.json
@@ -56,7 +56,6 @@
     "@types/react": "^18.2.31",
     "@typescript-eslint/eslint-plugin": "^6.1.0",
     "@typescript-eslint/parser": "^6.1.0",
-    "babel-jest": "^29.7.0",
     "eslint": "^8.45.0",
     "eslint-config-airbnb-base": "^15.0.0",
     "eslint-config-airbnb-typescript": "^17.1.0",

From 9f27fb370a4174f8cfca5dee05a7fe7d376dcd6a Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Fri, 19 Jan 2024 13:49:00 -0800
Subject: [PATCH 18/44] chore: Inject context with autoEnv. Revert multikind
 interface changes. Dry getOrGenerateKey.

---
 .../src/api/context/LDMultiKindContext.ts     | 15 ++---
 .../shared/sdk-client/src/LDClientImpl.ts     |  5 +-
 .../shared/sdk-client/src/utils/ensureKey.ts  | 23 +++----
 .../sdk-client/src/utils/getOrGenerateKey.ts  | 15 +++++
 .../sdk-client/src/utils/injectAutoEnv.ts     | 61 +++++++++++++++++++
 5 files changed, 92 insertions(+), 27 deletions(-)
 create mode 100644 packages/shared/sdk-client/src/utils/getOrGenerateKey.ts
 create mode 100644 packages/shared/sdk-client/src/utils/injectAutoEnv.ts

diff --git a/packages/shared/common/src/api/context/LDMultiKindContext.ts b/packages/shared/common/src/api/context/LDMultiKindContext.ts
index 6153f132e..8edabde44 100644
--- a/packages/shared/common/src/api/context/LDMultiKindContext.ts
+++ b/packages/shared/common/src/api/context/LDMultiKindContext.ts
@@ -1,5 +1,4 @@
-import type { LDApplication, LDDevice } from '../platform';
-import type { LDContextCommon } from './LDContextCommon';
+import { LDContextCommon } from './LDContextCommon';
 
 /**
  * A context which represents multiple kinds. Each kind having its own key and attributes.
@@ -38,17 +37,11 @@ export interface LDMultiKindContext {
    */
   kind: 'multi';
 
-  ld_application?: LDApplication;
-
-  ld_device?: LDDevice;
-
   /**
    * The contexts which compose this multi-kind context.
    *
-   * These should be of type LDContextCommon with these exceptions:
-   * "multi" is to allow for the top level "kind" attribute.
-   * "undefined" is to allow for the top level "ld_application" and ld_device
-   * attributes.
+   * These should be of type LDContextCommon. "multi" is to allow
+   * for the top level "kind" attribute.
    */
-  [attribute: string]: 'multi' | LDContextCommon | undefined;
+  [kind: string]: 'multi' | LDContextCommon;
 }
diff --git a/packages/shared/sdk-client/src/LDClientImpl.ts b/packages/shared/sdk-client/src/LDClientImpl.ts
index 3aa01aa46..d1d2ce77f 100644
--- a/packages/shared/sdk-client/src/LDClientImpl.ts
+++ b/packages/shared/sdk-client/src/LDClientImpl.ts
@@ -25,6 +25,7 @@ import createEventProcessor from './events/createEventProcessor';
 import EventFactory from './events/EventFactory';
 import { DeleteFlag, Flags, PatchFlag } from './types';
 import { calculateFlagChanges, ensureKey } from './utils';
+import injectAutoEnv from './utils/injectAutoEnv';
 
 const { createErrorEvaluationDetail, createSuccessEvaluationDetail, ClientMessages, ErrorKinds } =
   internal;
@@ -235,8 +236,8 @@ export default class LDClientImpl implements LDClient {
 
   // TODO: implement secure mode
   async identify(pristineContext: LDContext, _hash?: string): Promise<void> {
-    // TODO: inject auto env into context
-    const context = await ensureKey(pristineContext, this.platform);
+    let context = await ensureKey(pristineContext, this.platform);
+    context = await injectAutoEnv(context, this.platform, this.config);
 
     const checkedContext = Context.fromLDContext(context);
     if (!checkedContext.valid) {
diff --git a/packages/shared/sdk-client/src/utils/ensureKey.ts b/packages/shared/sdk-client/src/utils/ensureKey.ts
index c293b42b5..e5314df58 100644
--- a/packages/shared/sdk-client/src/utils/ensureKey.ts
+++ b/packages/shared/sdk-client/src/utils/ensureKey.ts
@@ -9,21 +9,9 @@ import {
   Platform,
 } from '@launchdarkly/js-sdk-common';
 
-const { isLegacyUser, isMultiKind, isSingleKind } = internal;
-
-export const addNamespace = (s: string) => `LaunchDarkly_AnonKeys_${s}`;
-
-export const getOrGenerateKey = async (kind: string, { crypto, storage }: Platform) => {
-  const nsKind = addNamespace(kind);
-  let contextKey = await storage?.get(nsKind);
-
-  if (!contextKey) {
-    contextKey = crypto.randomUUID();
-    await storage?.set(nsKind, contextKey);
-  }
+import { getOrGenerateKey } from './getOrGenerateKey';
 
-  return contextKey;
-};
+const { isLegacyUser, isMultiKind, isSingleKind } = internal;
 
 /**
  * This is the root ensureKey function. All other ensureKey functions reduce to this.
@@ -66,6 +54,13 @@ const ensureKeyLegacy = async (c: LDUser, platform: Platform) => {
   await ensureKeyCommon('user', c, platform);
 };
 
+/**
+ * Ensure a key is always present in anonymous contexts. Non-anonymous contexts
+ * are not processed and will just be returned as is.
+ *
+ * @param context
+ * @param platform
+ */
 const ensureKey = async (context: LDContext, platform: Platform) => {
   const cloned = clone<LDContext>(context);
 
diff --git a/packages/shared/sdk-client/src/utils/getOrGenerateKey.ts b/packages/shared/sdk-client/src/utils/getOrGenerateKey.ts
new file mode 100644
index 000000000..ee037197b
--- /dev/null
+++ b/packages/shared/sdk-client/src/utils/getOrGenerateKey.ts
@@ -0,0 +1,15 @@
+import { Platform } from '@launchdarkly/js-sdk-common';
+
+export const addNamespace = (s: string) => `LaunchDarkly_AnonKeys_${s}`;
+
+export const getOrGenerateKey = async (kind: string, { crypto, storage }: Platform) => {
+  const nsKind = addNamespace(kind);
+  let contextKey = await storage?.get(nsKind);
+
+  if (!contextKey) {
+    contextKey = crypto.randomUUID();
+    await storage?.set(nsKind, contextKey);
+  }
+
+  return contextKey;
+};
diff --git a/packages/shared/sdk-client/src/utils/injectAutoEnv.ts b/packages/shared/sdk-client/src/utils/injectAutoEnv.ts
new file mode 100644
index 000000000..bf0c62599
--- /dev/null
+++ b/packages/shared/sdk-client/src/utils/injectAutoEnv.ts
@@ -0,0 +1,61 @@
+/* eslint-disable @typescript-eslint/naming-convention */
+import {
+  clone,
+  internal,
+  LDApplication,
+  LDContext,
+  LDDevice,
+  LDMultiKindContext,
+  LDSingleKindContext,
+  LDUser,
+  Platform,
+} from '@launchdarkly/js-sdk-common';
+
+import Configuration from '../configuration';
+import { getOrGenerateKey } from './getOrGenerateKey';
+
+const { isLegacyUser, isSingleKind } = internal;
+
+const toMulti = (c: LDSingleKindContext) => {
+  const { kind, ...contextCommon } = c;
+
+  return {
+    kind,
+    [c.kind]: contextCommon,
+  };
+};
+
+const injectAutoEnv = async (context: LDContext, platform: Platform, config: Configuration) => {
+  // LDUser is not supported for auto env reporting
+  if (isLegacyUser(context)) {
+    return context as LDUser;
+  }
+
+  let multi;
+  const cloned = clone<LDContext>(context);
+  if (isSingleKind(cloned)) {
+    multi = toMulti(cloned);
+  }
+
+  const { crypto, info } = platform;
+  const { name, version, wrapperName, wrapperVersion } = info.sdkData();
+  const { ld_application, ld_device } = info.platformData();
+
+  const ldApplication = clone<LDApplication>(ld_application);
+  ldApplication.id = config.application?.id ?? ldApplication.id ?? name ?? wrapperName;
+  ldApplication.version =
+    config.application?.version ?? ldApplication.version ?? version ?? wrapperVersion;
+
+  const hasher = crypto.createHash('sha256');
+  hasher.update(ldApplication.id!);
+  ldApplication.key = hasher.digest('base64');
+
+  const ldDevice = clone<LDDevice>(ld_device);
+  if (ld_device && !ld_device.key) {
+    ldDevice.key = await getOrGenerateKey('ld_device', platform);
+  }
+
+  return { ...multi, ld_application, ld_device } as LDMultiKindContext;
+};
+
+export default injectAutoEnv;

From c3883a36bfccb2a475f8b7134dec9ed2a1c68dbc Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Fri, 19 Jan 2024 15:04:06 -0800
Subject: [PATCH 19/44] chore: Refactored internal inject functions.

---
 .../sdk-client/src/utils/injectAutoEnv.ts     | 43 +++++++++++--------
 1 file changed, 26 insertions(+), 17 deletions(-)

diff --git a/packages/shared/sdk-client/src/utils/injectAutoEnv.ts b/packages/shared/sdk-client/src/utils/injectAutoEnv.ts
index bf0c62599..9548134d4 100644
--- a/packages/shared/sdk-client/src/utils/injectAutoEnv.ts
+++ b/packages/shared/sdk-client/src/utils/injectAutoEnv.ts
@@ -25,21 +25,9 @@ const toMulti = (c: LDSingleKindContext) => {
   };
 };
 
-const injectAutoEnv = async (context: LDContext, platform: Platform, config: Configuration) => {
-  // LDUser is not supported for auto env reporting
-  if (isLegacyUser(context)) {
-    return context as LDUser;
-  }
-
-  let multi;
-  const cloned = clone<LDContext>(context);
-  if (isSingleKind(cloned)) {
-    multi = toMulti(cloned);
-  }
-
-  const { crypto, info } = platform;
+const injectApplication = ({ crypto, info }: Platform, config: Configuration) => {
   const { name, version, wrapperName, wrapperVersion } = info.sdkData();
-  const { ld_application, ld_device } = info.platformData();
+  const { ld_application } = info.platformData();
 
   const ldApplication = clone<LDApplication>(ld_application);
   ldApplication.id = config.application?.id ?? ldApplication.id ?? name ?? wrapperName;
@@ -50,12 +38,33 @@ const injectAutoEnv = async (context: LDContext, platform: Platform, config: Con
   hasher.update(ldApplication.id!);
   ldApplication.key = hasher.digest('base64');
 
-  const ldDevice = clone<LDDevice>(ld_device);
-  if (ld_device && !ld_device.key) {
+  return ldApplication;
+};
+
+const injectDevice = async (platform: Platform) => {
+  const ldDevice = clone<LDDevice>(platform.info.platformData().ld_device);
+  if (ldDevice && !ldDevice.key) {
     ldDevice.key = await getOrGenerateKey('ld_device', platform);
   }
+  return ldDevice;
+};
 
-  return { ...multi, ld_application, ld_device } as LDMultiKindContext;
+const injectAutoEnv = async (context: LDContext, platform: Platform, config: Configuration) => {
+  // LDUser is not supported for auto env reporting
+  if (isLegacyUser(context)) {
+    return context as LDUser;
+  }
+
+  let multi;
+  if (isSingleKind(context)) {
+    multi = toMulti(context);
+  }
+
+  return {
+    ...multi,
+    ld_application: injectApplication(platform, config),
+    ld_device: await injectDevice(platform),
+  } as LDMultiKindContext;
 };
 
 export default injectAutoEnv;

From cf67b77e69d41056ab31e12afc4f243bcd38032b Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Sun, 21 Jan 2024 17:26:31 -0800
Subject: [PATCH 20/44] chore: Improved mocks so crypto is more easily
 testable.

---
 packages/shared/common/src/utils/clone.ts     |   4 +
 packages/shared/mocks/src/clientContext.ts    |   2 +-
 packages/shared/mocks/src/crypto.ts           |  28 +
 packages/shared/mocks/src/hasher.ts           |  25 -
 packages/shared/mocks/src/index.ts            |   9 +-
 packages/shared/mocks/src/mockFetch.ts        |   2 +-
 packages/shared/mocks/src/platform.ts         |  39 +-
 packages/shared/mocks/src/setupMocks.ts       |   7 +
 .../sdk-client/jest-setupFilesAfterEnv.ts     |   4 +
 .../sdk-client/src/LDClientImpl.test.ts       |  40 +-
 .../shared/sdk-client/src/LDClientImpl.ts     |   3 +-
 .../sdk-client/src/utils/ensureKey.test.ts    |   3 +-
 packages/shared/sdk-client/src/utils/index.ts |   3 +-
 .../sdk-client/src/utils/injectAutoEnv.ts     |  44 +-
 .../__tests__/evaluation/Bucketer.test.ts     | 212 ++---
 .../evaluation/Evaluator.bucketing.test.ts    |  12 +-
 .../evaluation/Evaluator.clause.test.ts       | 791 +++++++++---------
 .../evaluation/Evaluator.rules.test.ts        | 309 +++----
 .../__tests__/evaluation/Evaluator.test.ts    | 264 +++---
 .../sdk-server/jest-setupFilesAfterEnv.ts     |   3 +
 packages/shared/sdk-server/jest.config.js     |   1 +
 packages/shared/sdk-server/tsconfig.json      |   2 +-
 22 files changed, 959 insertions(+), 848 deletions(-)
 create mode 100644 packages/shared/mocks/src/crypto.ts
 delete mode 100644 packages/shared/mocks/src/hasher.ts
 create mode 100644 packages/shared/mocks/src/setupMocks.ts
 create mode 100644 packages/shared/sdk-server/jest-setupFilesAfterEnv.ts

diff --git a/packages/shared/common/src/utils/clone.ts b/packages/shared/common/src/utils/clone.ts
index 14e19d8e3..a52cbac15 100644
--- a/packages/shared/common/src/utils/clone.ts
+++ b/packages/shared/common/src/utils/clone.ts
@@ -1,3 +1,7 @@
 export default function clone<T>(obj: any) {
+  if (obj === undefined || obj === null) {
+    return obj;
+  }
+
   return JSON.parse(JSON.stringify(obj)) as T;
 }
diff --git a/packages/shared/mocks/src/clientContext.ts b/packages/shared/mocks/src/clientContext.ts
index 90baaefe7..dca6f19a1 100644
--- a/packages/shared/mocks/src/clientContext.ts
+++ b/packages/shared/mocks/src/clientContext.ts
@@ -1,6 +1,6 @@
 import type { ClientContext } from '@common';
 
-import basicPlatform from './platform';
+import { basicPlatform } from './platform';
 
 const clientContext: ClientContext = {
   basicConfiguration: {
diff --git a/packages/shared/mocks/src/crypto.ts b/packages/shared/mocks/src/crypto.ts
new file mode 100644
index 000000000..032303fbb
--- /dev/null
+++ b/packages/shared/mocks/src/crypto.ts
@@ -0,0 +1,28 @@
+import type { Crypto, Hasher } from '@common';
+
+// HACK: inject hasher so we can easily test calls to update & digest
+export type CryptoWithHash = Crypto & { hasher: Hasher };
+// eslint-disable-next-line import/no-mutable-exports
+export let crypto: CryptoWithHash;
+
+export const setupCrypto = () => {
+  let counter = 0;
+  const hasher: Hasher = {
+    update: jest.fn(),
+    digest: jest.fn(() => '1234567890123456'),
+  };
+
+  crypto = {
+    hasher,
+    createHash: jest.fn(() => hasher),
+    createHmac: jest.fn(),
+    randomUUID: jest.fn(() => {
+      counter += 1;
+      // Will provide a unique value for tests.
+      // Very much not a UUID of course.
+      return `${counter}`;
+    }),
+  };
+
+  return crypto;
+};
diff --git a/packages/shared/mocks/src/hasher.ts b/packages/shared/mocks/src/hasher.ts
deleted file mode 100644
index 999f8fbee..000000000
--- a/packages/shared/mocks/src/hasher.ts
+++ /dev/null
@@ -1,25 +0,0 @@
-import type { Crypto, Hasher, Hmac } from '@common';
-
-export const hasher: Hasher = {
-  update: jest.fn(),
-  digest: jest.fn(() => '1234567890123456'),
-};
-
-let counter = 0;
-
-export const crypto: Crypto = {
-  createHash(algorithm: string): Hasher {
-    expect(algorithm).toEqual('sha1');
-    return hasher;
-  },
-  createHmac(algorithm: string, key: string): Hmac {
-    // Not used for this test.
-    throw new Error(`Function not implemented.${algorithm}${key}`);
-  },
-  randomUUID: jest.fn(() => {
-    counter += 1;
-    // Will provide a unique value for tests.
-    // Very much not a UUID of course.
-    return `${counter}`;
-  }),
-};
diff --git a/packages/shared/mocks/src/index.ts b/packages/shared/mocks/src/index.ts
index beceb6f47..58114d5a5 100644
--- a/packages/shared/mocks/src/index.ts
+++ b/packages/shared/mocks/src/index.ts
@@ -1,19 +1,20 @@
 import clientContext from './clientContext';
 import ContextDeduplicator from './contextDeduplicator';
-import { crypto, hasher } from './hasher';
+import { type CryptoWithHash } from './crypto';
 import logger from './logger';
 import mockFetch from './mockFetch';
-import basicPlatform from './platform';
+import { basicPlatform } from './platform';
+import setupMocks from './setupMocks';
 import { MockStreamingProcessor, setupMockStreamingProcessor } from './streamingProcessor';
 
 export {
   basicPlatform,
   clientContext,
   mockFetch,
-  crypto,
   logger,
-  hasher,
   ContextDeduplicator,
   MockStreamingProcessor,
   setupMockStreamingProcessor,
+  setupMocks,
+  CryptoWithHash,
 };
diff --git a/packages/shared/mocks/src/mockFetch.ts b/packages/shared/mocks/src/mockFetch.ts
index 0ae07f804..aa0013f14 100644
--- a/packages/shared/mocks/src/mockFetch.ts
+++ b/packages/shared/mocks/src/mockFetch.ts
@@ -1,6 +1,6 @@
 import { Response } from '@common';
 
-import basicPlatform from './platform';
+import { basicPlatform } from './platform';
 
 const createMockResponse = (remoteJson: any, statusCode: number) => {
   const response: Response = {
diff --git a/packages/shared/mocks/src/platform.ts b/packages/shared/mocks/src/platform.ts
index ed08a80c9..6263d34c5 100644
--- a/packages/shared/mocks/src/platform.ts
+++ b/packages/shared/mocks/src/platform.ts
@@ -1,6 +1,6 @@
 import type { Encoding, Info, Platform, PlatformData, Requests, SdkData, Storage } from '@common';
 
-import { crypto } from './hasher';
+import { setupCrypto } from './crypto';
 
 const encoding: Encoding = {
   btoa: (s: string) => Buffer.from(s).toString('base64'),
@@ -10,14 +10,27 @@ const info: Info = {
   platformData(): PlatformData {
     return {
       os: {
-        name: 'An OS',
-        version: '1.0.1',
-        arch: 'An Arch',
+        name: 'iOS',
+        version: '17.17',
+        arch: 'ARM64',
       },
       name: 'The SDK Name',
       additional: {
         nodeVersion: '42',
       },
+      ld_application: {
+        key: '',
+        envAttributesVersion: '1.0',
+        id: 'com.testapp.ld',
+        name: 'LDApplication.TestApp',
+        version: '1.1.1',
+      },
+      ld_device: {
+        key: '',
+        envAttributesVersion: '1.0',
+        os: { name: 'ios', version: '17', family: 'apple' },
+        manufacturer: 'apple',
+      },
     };
   },
   sdkData(): SdkData {
@@ -42,12 +55,14 @@ const storage: Storage = {
   clear: jest.fn(),
 };
 
-const basicPlatform: Platform = {
-  encoding,
-  info,
-  crypto,
-  requests,
-  storage,
+// eslint-disable-next-line import/no-mutable-exports
+export let basicPlatform: Platform;
+export const setupBasicPlatform = () => {
+  basicPlatform = {
+    encoding,
+    info,
+    crypto: setupCrypto(),
+    requests,
+    storage,
+  };
 };
-
-export default basicPlatform;
diff --git a/packages/shared/mocks/src/setupMocks.ts b/packages/shared/mocks/src/setupMocks.ts
new file mode 100644
index 000000000..928e38849
--- /dev/null
+++ b/packages/shared/mocks/src/setupMocks.ts
@@ -0,0 +1,7 @@
+import { setupBasicPlatform } from './platform';
+
+export default function setupMocks() {
+  beforeEach(() => {
+    setupBasicPlatform();
+  });
+}
diff --git a/packages/shared/sdk-client/jest-setupFilesAfterEnv.ts b/packages/shared/sdk-client/jest-setupFilesAfterEnv.ts
index 7b0828bfa..291ba9eca 100644
--- a/packages/shared/sdk-client/jest-setupFilesAfterEnv.ts
+++ b/packages/shared/sdk-client/jest-setupFilesAfterEnv.ts
@@ -1 +1,5 @@
 import '@testing-library/jest-dom';
+
+import { setupMocks } from '@launchdarkly/private-js-mocks';
+
+setupMocks();
diff --git a/packages/shared/sdk-client/src/LDClientImpl.test.ts b/packages/shared/sdk-client/src/LDClientImpl.test.ts
index 57524bf9c..93c66550c 100644
--- a/packages/shared/sdk-client/src/LDClientImpl.test.ts
+++ b/packages/shared/sdk-client/src/LDClientImpl.test.ts
@@ -19,9 +19,23 @@ jest.mock('@launchdarkly/js-sdk-common', () => {
   };
 });
 
-const { crypto } = basicPlatform;
 const testSdkKey = 'test-sdk-key';
 const context: LDContext = { kind: 'org', key: 'Testy Pizza' };
+const autoEnv = {
+  ld_application: {
+    key: 'digested1',
+    envAttributesVersion: '1.0',
+    id: 'com.testapp.ld',
+    name: 'LDApplication.TestApp',
+    version: '1.1.1',
+  },
+  ld_device: {
+    key: 'random1',
+    envAttributesVersion: '1.0',
+    manufacturer: 'apple',
+    os: { family: 'apple', name: 'iOS', version: '17.17' },
+  },
+};
 let ldc: LDClientImpl;
 let defaultPutResponse: Flags;
 
@@ -29,7 +43,8 @@ describe('sdk-client object', () => {
   beforeEach(() => {
     defaultPutResponse = clone<Flags>(mockResponseJson);
     setupMockStreamingProcessor(false, defaultPutResponse);
-    crypto.randomUUID.mockReturnValueOnce('random1');
+    basicPlatform.crypto.randomUUID.mockReturnValue('random1');
+    basicPlatform.crypto.hasher.digest.mockReturnValue('digested1');
 
     ldc = new LDClientImpl(testSdkKey, basicPlatform, { logger, sendEvents: false });
     jest
@@ -129,7 +144,11 @@ describe('sdk-client object', () => {
     const c = ldc.getContext();
     const all = ldc.allFlags();
 
-    expect(carContext).toEqual(c);
+    expect(c).toEqual({
+      kind: 'multi',
+      car: { key: 'mazda-cx7' },
+      ...autoEnv,
+    });
     expect(all).toMatchObject({
       'dev-test-flag': false,
     });
@@ -143,18 +162,21 @@ describe('sdk-client object', () => {
     const c = ldc.getContext();
     const all = ldc.allFlags();
 
-    expect(c!.key).toEqual('random1');
+    expect(c).toEqual({
+      kind: 'multi',
+      car: { anonymous: true, key: 'random1' },
+      ...autoEnv,
+    });
     expect(all).toMatchObject({
       'dev-test-flag': false,
     });
   });
 
   test('identify error invalid context', async () => {
-    // @ts-ignore
-    const carContext: LDContext = { kind: 'car', key: undefined };
+    const carContext: LDContext = { kind: 'car', key: '' };
 
-    await expect(ldc.identify(carContext)).rejects.toThrowError(/no key/);
-    expect(logger.error).toBeCalledTimes(1);
+    await expect(ldc.identify(carContext)).rejects.toThrow(/no key/);
+    expect(logger.error).toHaveBeenCalledTimes(1);
     expect(ldc.getContext()).toBeUndefined();
   });
 
@@ -166,7 +188,7 @@ describe('sdk-client object', () => {
       code: 401,
       message: 'test-error',
     });
-    expect(logger.error).toBeCalledTimes(1);
+    expect(logger.error).toHaveBeenCalledTimes(1);
     expect(ldc.getContext()).toBeUndefined();
   });
 
diff --git a/packages/shared/sdk-client/src/LDClientImpl.ts b/packages/shared/sdk-client/src/LDClientImpl.ts
index d1d2ce77f..5f800b6c6 100644
--- a/packages/shared/sdk-client/src/LDClientImpl.ts
+++ b/packages/shared/sdk-client/src/LDClientImpl.ts
@@ -24,8 +24,7 @@ import createDiagnosticsManager from './diagnostics/createDiagnosticsManager';
 import createEventProcessor from './events/createEventProcessor';
 import EventFactory from './events/EventFactory';
 import { DeleteFlag, Flags, PatchFlag } from './types';
-import { calculateFlagChanges, ensureKey } from './utils';
-import injectAutoEnv from './utils/injectAutoEnv';
+import { calculateFlagChanges, ensureKey, injectAutoEnv } from './utils';
 
 const { createErrorEvaluationDetail, createSuccessEvaluationDetail, ClientMessages, ErrorKinds } =
   internal;
diff --git a/packages/shared/sdk-client/src/utils/ensureKey.test.ts b/packages/shared/sdk-client/src/utils/ensureKey.test.ts
index 141bd5a51..5990061a8 100644
--- a/packages/shared/sdk-client/src/utils/ensureKey.test.ts
+++ b/packages/shared/sdk-client/src/utils/ensureKey.test.ts
@@ -6,7 +6,8 @@ import type {
 } from '@launchdarkly/js-sdk-common';
 import { basicPlatform } from '@launchdarkly/private-js-mocks';
 
-import ensureKey, { addNamespace, getOrGenerateKey } from './ensureKey';
+import ensureKey from './ensureKey';
+import { addNamespace, getOrGenerateKey } from './getOrGenerateKey';
 
 const { crypto, storage } = basicPlatform;
 describe('ensureKey', () => {
diff --git a/packages/shared/sdk-client/src/utils/index.ts b/packages/shared/sdk-client/src/utils/index.ts
index f203d0985..9f0614ad0 100644
--- a/packages/shared/sdk-client/src/utils/index.ts
+++ b/packages/shared/sdk-client/src/utils/index.ts
@@ -1,4 +1,5 @@
 import calculateFlagChanges from './calculateFlagChanges';
 import ensureKey from './ensureKey';
+import { injectAutoEnv } from './injectAutoEnv';
 
-export { calculateFlagChanges, ensureKey };
+export { calculateFlagChanges, ensureKey, injectAutoEnv };
diff --git a/packages/shared/sdk-client/src/utils/injectAutoEnv.ts b/packages/shared/sdk-client/src/utils/injectAutoEnv.ts
index 9548134d4..36b244226 100644
--- a/packages/shared/sdk-client/src/utils/injectAutoEnv.ts
+++ b/packages/shared/sdk-client/src/utils/injectAutoEnv.ts
@@ -16,16 +16,24 @@ import { getOrGenerateKey } from './getOrGenerateKey';
 
 const { isLegacyUser, isSingleKind } = internal;
 
-const toMulti = (c: LDSingleKindContext) => {
+export const toMulti = (c: LDSingleKindContext) => {
   const { kind, ...contextCommon } = c;
 
   return {
-    kind,
-    [c.kind]: contextCommon,
+    kind: 'multi',
+    [kind]: contextCommon,
   };
 };
 
-const injectApplication = ({ crypto, info }: Platform, config: Configuration) => {
+/**
+ * Clones the LDApplication object and populates the key, id and version fields.
+ *
+ * @param crypto
+ * @param info
+ * @param config
+ * @return An LDApplication object with populated key, id and version.
+ */
+export const injectApplication = ({ crypto, info }: Platform, config: Configuration) => {
   const { name, version, wrapperName, wrapperVersion } = info.sdkData();
   const { ld_application } = info.platformData();
 
@@ -41,15 +49,29 @@ const injectApplication = ({ crypto, info }: Platform, config: Configuration) =>
   return ldApplication;
 };
 
-const injectDevice = async (platform: Platform) => {
-  const ldDevice = clone<LDDevice>(platform.info.platformData().ld_device);
-  if (ldDevice && !ldDevice.key) {
-    ldDevice.key = await getOrGenerateKey('ld_device', platform);
-  }
+/**
+ * Clones the LDDevice object and populates the key field.
+ *
+ * @param platform
+ * @return An LDDevice object with populated key.
+ */
+export const injectDevice = async (platform: Platform) => {
+  const { ld_device, os } = platform.info.platformData();
+  const ldDevice = clone<LDDevice>(ld_device);
+
+  // TODO: check for empty string
+  ldDevice.os.name = os?.name ?? ldDevice.os.name;
+  ldDevice.os.version = os?.version ?? ldDevice.os.version;
+  ldDevice.key = await getOrGenerateKey('ld_device', platform);
+
   return ldDevice;
 };
 
-const injectAutoEnv = async (context: LDContext, platform: Platform, config: Configuration) => {
+export const injectAutoEnv = async (
+  context: LDContext,
+  platform: Platform,
+  config: Configuration,
+) => {
   // LDUser is not supported for auto env reporting
   if (isLegacyUser(context)) {
     return context as LDUser;
@@ -66,5 +88,3 @@ const injectAutoEnv = async (context: LDContext, platform: Platform, config: Con
     ld_device: await injectDevice(platform),
   } as LDMultiKindContext;
 };
-
-export default injectAutoEnv;
diff --git a/packages/shared/sdk-server/__tests__/evaluation/Bucketer.test.ts b/packages/shared/sdk-server/__tests__/evaluation/Bucketer.test.ts
index c2bc82276..58088e186 100644
--- a/packages/shared/sdk-server/__tests__/evaluation/Bucketer.test.ts
+++ b/packages/shared/sdk-server/__tests__/evaluation/Bucketer.test.ts
@@ -3,123 +3,131 @@
 // should contain a consistency test.
 // Testing here can only validate we are providing correct inputs to the hashing algorithm.
 import { AttributeReference, Context, LDContext } from '@launchdarkly/js-sdk-common';
-import * as mocks from '@launchdarkly/private-js-mocks';
+import { basicPlatform, type CryptoWithHash } from '@launchdarkly/private-js-mocks';
 
 import Bucketer from '../../src/evaluation/Bucketer';
 
-describe.each<
-  [
-    context: LDContext,
-    key: string,
-    attr: string,
-    salt: string,
-    kindForRollout: string | undefined,
-    seed: number | undefined,
-    expected: string,
-  ]
->([
-  [{ key: 'is-key' }, 'flag-key', 'key', 'salty', undefined, undefined, 'flag-key.salty.is-key'],
-  // No specified kind, and user, are equivalent.
-  [{ key: 'is-key' }, 'flag-key', 'key', 'salty', 'user', undefined, 'flag-key.salty.is-key'],
-  [{ key: 'is-key' }, 'flag-key', 'key', 'salty', undefined, undefined, 'flag-key.salty.is-key'],
+describe('Bucketer.test', () => {
+  let crypto: CryptoWithHash;
 
-  [{ key: 'is-key' }, 'flag-key', 'key', 'salty', undefined, 82, '82.is-key'],
-  [
-    { key: 'is-key', kind: 'org' },
-    'flag-key',
-    'key',
-    'salty',
-    'org',
-    undefined,
-    'flag-key.salty.is-key',
-  ],
-  [
-    { key: 'is-key', kind: 'org', integer: 17 },
-    'flag-key',
-    'integer',
-    'salty',
-    'org',
-    undefined,
-    'flag-key.salty.17',
-  ],
-  [
-    { kind: 'multi', user: { key: 'user-key' }, org: { key: 'org-key' } },
-    'flag-key',
-    'key',
-    'salty',
-    undefined,
-    undefined,
-    'flag-key.salty.user-key',
-  ],
-  [
-    { kind: 'multi', user: { key: 'user-key' }, org: { key: 'org-key' } },
-    'flag-key',
-    'key',
-    'salty',
-    'org',
-    undefined,
-    'flag-key.salty.org-key',
-  ],
-])('given bucketing parameters', (context, key, attr, salt, kindForRollout, seed, expected) => {
-  it('hashes the correct string', () => {
-    const validatedContext = Context.fromLDContext(context);
-    const attrRef = new AttributeReference(attr);
-
-    const bucketer = new Bucketer(mocks.crypto);
-    const [bucket, hadContext] = bucketer.bucket(
-      validatedContext!,
-      key,
-      attrRef,
-      salt,
-      kindForRollout,
-      seed,
-    );
-
-    // The mocks.hasher always returns the same value. This just checks that it converts it to a number
-    // in the expected way.
-    expect(bucket).toBeCloseTo(0.07111111110140983, 5);
-    expect(hadContext).toBeTruthy();
-    expect(mocks.hasher.update).toHaveBeenCalledWith(expected);
-    expect(mocks.hasher.digest).toHaveBeenCalledWith('hex');
+  beforeEach(() => {
+    crypto = basicPlatform.crypto;
   });
 
   afterEach(() => {
-    jest.clearAllMocks();
+    jest.resetAllMocks();
   });
-});
 
-describe.each([
-  ['org', 'object'],
-  ['org', 'array'],
-  ['org', 'null'],
-  ['bad', 'key'],
-])('when given a non string or integer reference', (kind, attr) => {
-  it('buckets to 0 when given bad data', () => {
-    const validatedContext = Context.fromLDContext({
-      key: 'context-key',
-      kind,
-      object: {},
-      array: [],
-      null: null,
-    });
-    const attrRef = new AttributeReference(attr);
+  describe.each<
+    [
+      context: LDContext,
+      key: string,
+      attr: string,
+      salt: string,
+      kindForRollout: string | undefined,
+      seed: number | undefined,
+      expected: string,
+    ]
+  >([
+    [{ key: 'is-key' }, 'flag-key', 'key', 'salty', undefined, undefined, 'flag-key.salty.is-key'],
+    // No specified kind, and user, are equivalent.
+    [{ key: 'is-key' }, 'flag-key', 'key', 'salty', 'user', undefined, 'flag-key.salty.is-key'],
+    [{ key: 'is-key' }, 'flag-key', 'key', 'salty', undefined, undefined, 'flag-key.salty.is-key'],
 
-    const bucketer = new Bucketer(mocks.crypto);
-    const [bucket, hadContext] = bucketer.bucket(
-      validatedContext!,
+    [{ key: 'is-key' }, 'flag-key', 'key', 'salty', undefined, 82, '82.is-key'],
+    [
+      { key: 'is-key', kind: 'org' },
+      'flag-key',
       'key',
-      attrRef,
       'salty',
       'org',
       undefined,
-    );
-    expect(bucket).toEqual(0);
-    expect(hadContext).toEqual(kind === 'org');
-    expect(mocks.hasher.update).toBeCalledTimes(0);
-    expect(mocks.hasher.digest).toBeCalledTimes(0);
+      'flag-key.salty.is-key',
+    ],
+    [
+      { key: 'is-key', kind: 'org', integer: 17 },
+      'flag-key',
+      'integer',
+      'salty',
+      'org',
+      undefined,
+      'flag-key.salty.17',
+    ],
+    [
+      { kind: 'multi', user: { key: 'user-key' }, org: { key: 'org-key' } },
+      'flag-key',
+      'key',
+      'salty',
+      undefined,
+      undefined,
+      'flag-key.salty.user-key',
+    ],
+    [
+      { kind: 'multi', user: { key: 'user-key' }, org: { key: 'org-key' } },
+      'flag-key',
+      'key',
+      'salty',
+      'org',
+      undefined,
+      'flag-key.salty.org-key',
+    ],
+  ])('given bucketing parameters', (context, key, attr, salt, kindForRollout, seed, expected) => {
+    it('hashes the correct string', () => {
+      const validatedContext = Context.fromLDContext(context);
+      const attrRef = new AttributeReference(attr);
+
+      const bucketer = new Bucketer(crypto);
+      const [bucket, hadContext] = bucketer.bucket(
+        validatedContext!,
+        key,
+        attrRef,
+        salt,
+        kindForRollout,
+        seed,
+      );
+
+      // The mocks.hasher always returns the same value. This just checks that it converts it to a number
+      // in the expected way.
+      expect(bucket).toBeCloseTo(0.07111111110140983, 5);
+      expect(hadContext).toBeTruthy();
+      expect(crypto.hasher.update).toHaveBeenCalledWith(expected);
+      expect(crypto.hasher.digest).toHaveBeenCalledWith('hex');
+    });
+
+    afterEach(() => {
+      jest.resetAllMocks();
+    });
   });
 
-  afterEach(() => {
-    jest.clearAllMocks();
+  describe.each([
+    ['org', 'object'],
+    ['org', 'array'],
+    ['org', 'null'],
+    ['bad', 'key'],
+  ])('when given a non string or integer reference', (kind, attr) => {
+    it('buckets to 0 when given bad data', () => {
+      const validatedContext = Context.fromLDContext({
+        key: 'context-key',
+        kind,
+        object: {},
+        array: [],
+        null: null,
+      });
+      const attrRef = new AttributeReference(attr);
+
+      const bucketer = new Bucketer(crypto);
+      const [bucket, hadContext] = bucketer.bucket(
+        validatedContext!,
+        'key',
+        attrRef,
+        'salty',
+        'org',
+        undefined,
+      );
+      expect(bucket).toEqual(0);
+      expect(hadContext).toEqual(kind === 'org');
+      expect(crypto.hasher.update).toBeCalledTimes(0);
+      expect(crypto.hasher.digest).toBeCalledTimes(0);
+    });
   });
 });
diff --git a/packages/shared/sdk-server/__tests__/evaluation/Evaluator.bucketing.test.ts b/packages/shared/sdk-server/__tests__/evaluation/Evaluator.bucketing.test.ts
index 51acff48d..6ec82a86c 100644
--- a/packages/shared/sdk-server/__tests__/evaluation/Evaluator.bucketing.test.ts
+++ b/packages/shared/sdk-server/__tests__/evaluation/Evaluator.bucketing.test.ts
@@ -6,9 +6,17 @@ import { Rollout } from '../../src/evaluation/data/Rollout';
 import Evaluator from '../../src/evaluation/Evaluator';
 import noQueries from './mocks/noQueries';
 
-const evaluator = new Evaluator(mocks.basicPlatform, noQueries);
-
 describe('given a flag with a rollout', () => {
+  let evaluator: Evaluator;
+
+  beforeEach(() => {
+    evaluator = new Evaluator(mocks.basicPlatform, noQueries);
+  });
+
+  afterEach(() => {
+    jest.resetAllMocks();
+  });
+
   const seed = 61;
   const flagKey = 'flagkey';
   const salt = 'salt';
diff --git a/packages/shared/sdk-server/__tests__/evaluation/Evaluator.clause.test.ts b/packages/shared/sdk-server/__tests__/evaluation/Evaluator.clause.test.ts
index 9a2e0c9aa..c5fa9463e 100644
--- a/packages/shared/sdk-server/__tests__/evaluation/Evaluator.clause.test.ts
+++ b/packages/shared/sdk-server/__tests__/evaluation/Evaluator.clause.test.ts
@@ -12,460 +12,465 @@ import {
 } from './flags';
 import noQueries from './mocks/noQueries';
 
-const evaluator = new Evaluator(mocks.basicPlatform, noQueries);
-
-// Either a legacy user, or context with equivalent user.
-describe('given user clauses and contexts', () => {
-  it.each<LDContext>([
-    { key: 'x', name: 'Bob' },
-    { kind: 'user', key: 'x', name: 'Bob' },
-    { kind: 'multi', user: { key: 'x', name: 'Bob' } },
-  ])('can match built-in attribute', async (user) => {
-    const clause: Clause = {
-      attribute: 'name',
-      op: 'in',
-      values: ['Bob'],
-      attributeReference: new AttributeReference('name'),
-    };
-    const flag = makeBooleanFlagWithOneClause(clause);
-    const context = Context.fromLDContext(user);
-    const res = await evaluator.evaluate(flag, context!);
-    expect(res.detail.value).toBe(true);
+describe('Evaluator.clause', () => {
+  let evaluator: Evaluator;
+  beforeEach(() => {
+    evaluator = new Evaluator(mocks.basicPlatform, noQueries);
   });
 
-  it.each<LDContext>([
-    { key: 'x', name: 'Bob', custom: { legs: 4 } },
-    {
-      kind: 'user',
-      key: 'x',
-      name: 'Bob',
-      legs: 4,
-    },
-    { kind: 'multi', user: { key: 'x', name: 'Bob', legs: 4 } },
-  ])('can match custom attribute', async (user) => {
-    const clause: Clause = {
-      attribute: 'legs',
-      op: 'in',
-      values: [4],
-      attributeReference: new AttributeReference('legs'),
-    };
-    const flag = makeBooleanFlagWithOneClause(clause);
-    const context = Context.fromLDContext(user);
-    const res = await evaluator.evaluate(flag, context!);
-    expect(res.detail.value).toBe(true);
-  });
+  // Either a legacy user, or context with equivalent user.
+  describe('given user clauses and contexts', () => {
+    it.each<LDContext>([
+      { key: 'x', name: 'Bob' },
+      { kind: 'user', key: 'x', name: 'Bob' },
+      { kind: 'multi', user: { key: 'x', name: 'Bob' } },
+    ])('can match built-in attribute', async (user) => {
+      const clause: Clause = {
+        attribute: 'name',
+        op: 'in',
+        values: ['Bob'],
+        attributeReference: new AttributeReference('name'),
+      };
+      const flag = makeBooleanFlagWithOneClause(clause);
+      const context = Context.fromLDContext(user);
+      const res = await evaluator.evaluate(flag, context!);
+      expect(res.detail.value).toBe(true);
+    });
 
-  it.each<[LDContext, string]>([
-    [{ key: 'x', name: 'Bob', custom: { '//': 4 } }, '//'],
-    [
-      {
-        kind: 'user',
-        key: 'x',
-        name: 'Bob',
-        '//': 4,
-      },
-      '//',
-    ],
-    [{ kind: 'multi', user: { key: 'x', name: 'Bob', '//': 4 } }, '//'],
-    [{ key: 'x', name: 'Bob', custom: { '/~~': 4 } }, '/~~'],
-    [
+    it.each<LDContext>([
+      { key: 'x', name: 'Bob', custom: { legs: 4 } },
       {
         kind: 'user',
         key: 'x',
         name: 'Bob',
-        '/~~': 4,
+        legs: 4,
       },
-      '/~~',
-    ],
-    [{ kind: 'multi', user: { key: 'x', name: 'Bob', '/~~': 4 } }, '/~~'],
-  ])(
-    'can match attributes which would have be invalid references, but are valid literals',
-    async (user, attribute) => {
+      { kind: 'multi', user: { key: 'x', name: 'Bob', legs: 4 } },
+    ])('can match custom attribute', async (user) => {
       const clause: Clause = {
-        attribute,
+        attribute: 'legs',
         op: 'in',
         values: [4],
-        attributeReference: new AttributeReference(attribute, true),
+        attributeReference: new AttributeReference('legs'),
       };
       const flag = makeBooleanFlagWithOneClause(clause);
       const context = Context.fromLDContext(user);
       const res = await evaluator.evaluate(flag, context!);
       expect(res.detail.value).toBe(true);
-    },
-  );
+    });
 
-  it.each<LDContext>([
-    { key: 'x', name: 'Bob' },
-    { kind: 'user', key: 'x', name: 'Bob' },
-    { kind: 'multi', user: { key: 'x', name: 'Bob' } },
-  ])('does not match missing attribute', async (user) => {
-    const clause: Clause = {
-      attribute: 'legs',
-      op: 'in',
-      values: [4],
-      attributeReference: new AttributeReference('legs'),
-    };
-    const flag = makeBooleanFlagWithOneClause(clause);
-    const context = Context.fromLDContext(user);
-    const res = await evaluator.evaluate(flag, context!);
-    expect(res.detail.value).toBe(false);
-  });
+    it.each<[LDContext, string]>([
+      [{ key: 'x', name: 'Bob', custom: { '//': 4 } }, '//'],
+      [
+        {
+          kind: 'user',
+          key: 'x',
+          name: 'Bob',
+          '//': 4,
+        },
+        '//',
+      ],
+      [{ kind: 'multi', user: { key: 'x', name: 'Bob', '//': 4 } }, '//'],
+      [{ key: 'x', name: 'Bob', custom: { '/~~': 4 } }, '/~~'],
+      [
+        {
+          kind: 'user',
+          key: 'x',
+          name: 'Bob',
+          '/~~': 4,
+        },
+        '/~~',
+      ],
+      [{ kind: 'multi', user: { key: 'x', name: 'Bob', '/~~': 4 } }, '/~~'],
+    ])(
+      'can match attributes which would have be invalid references, but are valid literals',
+      async (user, attribute) => {
+        const clause: Clause = {
+          attribute,
+          op: 'in',
+          values: [4],
+          attributeReference: new AttributeReference(attribute, true),
+        };
+        const flag = makeBooleanFlagWithOneClause(clause);
+        const context = Context.fromLDContext(user);
+        const res = await evaluator.evaluate(flag, context!);
+        expect(res.detail.value).toBe(true);
+      },
+    );
 
-  it.each<LDContext>([
-    { key: 'x', name: 'Bob' },
-    { kind: 'user', key: 'x', name: 'Bob' },
-    { kind: 'multi', user: { key: 'x', name: 'Bob' } },
-  ])('can have a negated clause', async (user) => {
-    const clause: Clause = {
-      attribute: 'name',
-      op: 'in',
-      values: ['Bob'],
-      negate: true,
-      attributeReference: new AttributeReference('name'),
-    };
-    const flag = makeBooleanFlagWithOneClause(clause);
-    const context = Context.fromLDContext(user);
-    const res = await evaluator.evaluate(flag, context!);
-    expect(res.detail.value).toBe(false);
-  });
+    it.each<LDContext>([
+      { key: 'x', name: 'Bob' },
+      { kind: 'user', key: 'x', name: 'Bob' },
+      { kind: 'multi', user: { key: 'x', name: 'Bob' } },
+    ])('does not match missing attribute', async (user) => {
+      const clause: Clause = {
+        attribute: 'legs',
+        op: 'in',
+        values: [4],
+        attributeReference: new AttributeReference('legs'),
+      };
+      const flag = makeBooleanFlagWithOneClause(clause);
+      const context = Context.fromLDContext(user);
+      const res = await evaluator.evaluate(flag, context!);
+      expect(res.detail.value).toBe(false);
+    });
 
-  // An equivalent test existed in the previous suite. I see no reason that the
-  // current code could encounter such a situation, but this will help ensure
-  // it never does.
-  it('does not overflow the call stack when evaluating a huge number of clauses', async () => {
-    const user = { key: 'user' };
-    const clauseCount = 5000;
-    const flag: Flag = {
-      key: 'flag',
-      targets: [],
-      on: true,
-      variations: [false, true],
-      fallthrough: { variation: 0 },
-      version: 1,
-    };
-    // Note, for this test to be meaningful, the clauses must all match the user, since we
-    // stop evaluating clauses on the first non-match.
-    const clause = makeClauseThatMatchesUser(user);
-    const clauses = [];
-    for (let i = 0; i < clauseCount; i += 1) {
-      clauses.push(clause);
-    }
-    const rule: FlagRule = { id: '1234', clauses, variation: 1 };
-    flag.rules = [rule];
-    const context = Context.fromLDContext(user);
-    const res = await evaluator.evaluate(flag, context!);
-    expect(res.detail.value).toBe(true);
-  });
+    it.each<LDContext>([
+      { key: 'x', name: 'Bob' },
+      { kind: 'user', key: 'x', name: 'Bob' },
+      { kind: 'multi', user: { key: 'x', name: 'Bob' } },
+    ])('can have a negated clause', async (user) => {
+      const clause: Clause = {
+        attribute: 'name',
+        op: 'in',
+        values: ['Bob'],
+        negate: true,
+        attributeReference: new AttributeReference('name'),
+      };
+      const flag = makeBooleanFlagWithOneClause(clause);
+      const context = Context.fromLDContext(user);
+      const res = await evaluator.evaluate(flag, context!);
+      expect(res.detail.value).toBe(false);
+    });
 
-  it('matches kind of implicit user', async () => {
-    const user = { key: 'x', name: 'Bob' };
-    const clause: Clause = {
-      attribute: 'kind',
-      op: 'in',
-      values: ['user'],
-      attributeReference: new AttributeReference('kind'),
-    };
-    const flag = makeBooleanFlagWithOneClause(clause);
-    const context = Context.fromLDContext(user);
-    const res = await evaluator.evaluate(flag, context!);
-    expect(res.detail.value).toBe(true);
-  });
+    // An equivalent test existed in the previous suite. I see no reason that the
+    // current code could encounter such a situation, but this will help ensure
+    // it never does.
+    it('does not overflow the call stack when evaluating a huge number of clauses', async () => {
+      const user = { key: 'user' };
+      const clauseCount = 5000;
+      const flag: Flag = {
+        key: 'flag',
+        targets: [],
+        on: true,
+        variations: [false, true],
+        fallthrough: { variation: 0 },
+        version: 1,
+      };
+      // Note, for this test to be meaningful, the clauses must all match the user, since we
+      // stop evaluating clauses on the first non-match.
+      const clause = makeClauseThatMatchesUser(user);
+      const clauses = [];
+      for (let i = 0; i < clauseCount; i += 1) {
+        clauses.push(clause);
+      }
+      const rule: FlagRule = { id: '1234', clauses, variation: 1 };
+      flag.rules = [rule];
+      const context = Context.fromLDContext(user);
+      const res = await evaluator.evaluate(flag, context!);
+      expect(res.detail.value).toBe(true);
+    });
 
-  it('implicit user kind does not match rules for non-user kinds', async () => {
-    const user = { key: 'x', name: 'Bob' };
-    const clause: Clause = {
-      attribute: 'key',
-      op: 'in',
-      values: ['userkey'],
-      contextKind: 'org',
-      attributeReference: new AttributeReference('key'),
-    };
-    const flag = makeBooleanFlagWithOneClause(clause);
-    const context = Context.fromLDContext(user);
-    const res = await evaluator.evaluate(flag, context!);
-    expect(res.detail.value).toBe(false);
-  });
-});
+    it('matches kind of implicit user', async () => {
+      const user = { key: 'x', name: 'Bob' };
+      const clause: Clause = {
+        attribute: 'kind',
+        op: 'in',
+        values: ['user'],
+        attributeReference: new AttributeReference('kind'),
+      };
+      const flag = makeBooleanFlagWithOneClause(clause);
+      const context = Context.fromLDContext(user);
+      const res = await evaluator.evaluate(flag, context!);
+      expect(res.detail.value).toBe(true);
+    });
 
-describe('given non-user single-kind contexts', () => {
-  it('does not match implicit user clauses to non-user contexts', async () => {
-    const clause: Clause = {
-      attribute: 'name',
-      op: 'in',
-      values: ['Bob'],
-      attributeReference: new AttributeReference('name'),
-    };
-    const flag = makeBooleanFlagWithOneClause(clause);
-    const context = Context.fromLDContext({ kind: 'org', name: 'Bob', key: 'bobkey' });
-    const res = await evaluator.evaluate(flag, context!);
-    expect(res.detail.value).toBe(false);
+    it('implicit user kind does not match rules for non-user kinds', async () => {
+      const user = { key: 'x', name: 'Bob' };
+      const clause: Clause = {
+        attribute: 'key',
+        op: 'in',
+        values: ['userkey'],
+        contextKind: 'org',
+        attributeReference: new AttributeReference('key'),
+      };
+      const flag = makeBooleanFlagWithOneClause(clause);
+      const context = Context.fromLDContext(user);
+      const res = await evaluator.evaluate(flag, context!);
+      expect(res.detail.value).toBe(false);
+    });
   });
 
-  it('cannot use an object attribute for a match.', async () => {
-    const clause: Clause = {
-      attribute: 'complex',
-      op: 'in',
-      values: [{ thing: true }],
-      contextKind: 'org',
-      attributeReference: new AttributeReference('complex'),
-    };
-    const flag = makeBooleanFlagWithOneClause(clause);
-    const context = Context.fromLDContext({
-      kind: 'org',
-      name: 'Bob',
-      key: 'bobkey',
-      complex: { thing: true },
+  describe('given non-user single-kind contexts', () => {
+    it('does not match implicit user clauses to non-user contexts', async () => {
+      const clause: Clause = {
+        attribute: 'name',
+        op: 'in',
+        values: ['Bob'],
+        attributeReference: new AttributeReference('name'),
+      };
+      const flag = makeBooleanFlagWithOneClause(clause);
+      const context = Context.fromLDContext({ kind: 'org', name: 'Bob', key: 'bobkey' });
+      const res = await evaluator.evaluate(flag, context!);
+      expect(res.detail.value).toBe(false);
     });
-    const res = await evaluator.evaluate(flag, context!);
-    expect(res.detail.value).toBe(false);
-  });
 
-  it('does match clauses for the correct context kind', async () => {
-    const clause: Clause = {
-      attribute: 'name',
-      op: 'in',
-      values: ['Bob'],
-      contextKind: 'org',
-      attributeReference: new AttributeReference('name'),
-    };
-    const flag = makeBooleanFlagWithOneClause(clause);
-    const context = Context.fromLDContext({ kind: 'org', name: 'Bob', key: 'bobkey' });
-    const res = await evaluator.evaluate(flag, context!);
-    expect(res.detail.value).toBe(true);
-  });
+    it('cannot use an object attribute for a match.', async () => {
+      const clause: Clause = {
+        attribute: 'complex',
+        op: 'in',
+        values: [{ thing: true }],
+        contextKind: 'org',
+        attributeReference: new AttributeReference('complex'),
+      };
+      const flag = makeBooleanFlagWithOneClause(clause);
+      const context = Context.fromLDContext({
+        kind: 'org',
+        name: 'Bob',
+        key: 'bobkey',
+        complex: { thing: true },
+      });
+      const res = await evaluator.evaluate(flag, context!);
+      expect(res.detail.value).toBe(false);
+    });
 
-  it('matches clauses for the kind attribute', async () => {
-    // The context kind here should not matter, but the 'kind' attribute should.
-    const clause: Clause = {
-      attribute: 'kind',
-      op: 'in',
-      values: ['org'],
-      contextKind: 'potato',
-      attributeReference: new AttributeReference('kind'),
-    };
-    const flag = makeBooleanFlagWithOneClause(clause);
-    const context = Context.fromLDContext({ kind: 'org', name: 'Bob', key: 'bobkey' });
-    const res = await evaluator.evaluate(flag, context!);
-    expect(res.detail.value).toBe(true);
-  });
+    it('does match clauses for the correct context kind', async () => {
+      const clause: Clause = {
+        attribute: 'name',
+        op: 'in',
+        values: ['Bob'],
+        contextKind: 'org',
+        attributeReference: new AttributeReference('name'),
+      };
+      const flag = makeBooleanFlagWithOneClause(clause);
+      const context = Context.fromLDContext({ kind: 'org', name: 'Bob', key: 'bobkey' });
+      const res = await evaluator.evaluate(flag, context!);
+      expect(res.detail.value).toBe(true);
+    });
 
-  it('does not match clauses for the kind attribute if the kind does not match', async () => {
-    // The context kind here should not matter, but the 'kind' attribute should.
-    const clause: Clause = {
-      attribute: 'kind',
-      op: 'in',
-      values: ['org'],
-      contextKind: 'potato',
-      attributeReference: new AttributeReference('kind'),
-    };
-    const flag = makeBooleanFlagWithOneClause(clause);
-    const context = Context.fromLDContext({ kind: 'party', name: 'Bob', key: 'bobkey' });
-    const res = await evaluator.evaluate(flag, context!);
-    expect(res.detail.value).toBe(false);
+    it('matches clauses for the kind attribute', async () => {
+      // The context kind here should not matter, but the 'kind' attribute should.
+      const clause: Clause = {
+        attribute: 'kind',
+        op: 'in',
+        values: ['org'],
+        contextKind: 'potato',
+        attributeReference: new AttributeReference('kind'),
+      };
+      const flag = makeBooleanFlagWithOneClause(clause);
+      const context = Context.fromLDContext({ kind: 'org', name: 'Bob', key: 'bobkey' });
+      const res = await evaluator.evaluate(flag, context!);
+      expect(res.detail.value).toBe(true);
+    });
+
+    it('does not match clauses for the kind attribute if the kind does not match', async () => {
+      // The context kind here should not matter, but the 'kind' attribute should.
+      const clause: Clause = {
+        attribute: 'kind',
+        op: 'in',
+        values: ['org'],
+        contextKind: 'potato',
+        attributeReference: new AttributeReference('kind'),
+      };
+      const flag = makeBooleanFlagWithOneClause(clause);
+      const context = Context.fromLDContext({ kind: 'party', name: 'Bob', key: 'bobkey' });
+      const res = await evaluator.evaluate(flag, context!);
+      expect(res.detail.value).toBe(false);
+    });
   });
-});
 
-describe('given multi-kind contexts', () => {
-  it('does match clauses correctly with multiple contexts', async () => {
-    const clause1: Clause = {
-      attribute: 'region',
-      op: 'in',
-      values: ['north'],
-      contextKind: 'park',
-      attributeReference: new AttributeReference('region'),
-    };
-    const clause2: Clause = {
-      attribute: 'count',
-      op: 'in',
-      values: [5],
-      contextKind: 'party',
-      attributeReference: new AttributeReference('count'),
-    };
+  describe('given multi-kind contexts', () => {
+    it('does match clauses correctly with multiple contexts', async () => {
+      const clause1: Clause = {
+        attribute: 'region',
+        op: 'in',
+        values: ['north'],
+        contextKind: 'park',
+        attributeReference: new AttributeReference('region'),
+      };
+      const clause2: Clause = {
+        attribute: 'count',
+        op: 'in',
+        values: [5],
+        contextKind: 'party',
+        attributeReference: new AttributeReference('count'),
+      };
 
-    const context = Context.fromLDContext({
-      kind: 'multi',
-      park: {
-        key: 'park',
-        region: 'north',
-      },
-      party: {
-        key: 'party',
-        count: 5,
-      },
+      const context = Context.fromLDContext({
+        kind: 'multi',
+        park: {
+          key: 'park',
+          region: 'north',
+        },
+        party: {
+          key: 'party',
+          count: 5,
+        },
+      });
+
+      const flag = makeBooleanFlagWithRules([
+        { id: '1234', clauses: [clause1, clause2], variation: 1 },
+      ]);
+      const res = await evaluator.evaluate(flag, context!);
+      expect(res.detail.value).toBe(true);
     });
 
-    const flag = makeBooleanFlagWithRules([
-      { id: '1234', clauses: [clause1, clause2], variation: 1 },
-    ]);
-    const res = await evaluator.evaluate(flag, context!);
-    expect(res.detail.value).toBe(true);
-  });
-
-  it('does not match the values from the wrong contexts', async () => {
-    const clause1: Clause = {
-      attribute: 'region',
-      op: 'in',
-      values: ['north'],
-      contextKind: 'park',
-      attributeReference: new AttributeReference('region'),
-    };
-    const clause2: Clause = {
-      attribute: 'count',
-      op: 'in',
-      values: [5],
-      contextKind: 'party',
-      attributeReference: new AttributeReference('count'),
-    };
+    it('does not match the values from the wrong contexts', async () => {
+      const clause1: Clause = {
+        attribute: 'region',
+        op: 'in',
+        values: ['north'],
+        contextKind: 'park',
+        attributeReference: new AttributeReference('region'),
+      };
+      const clause2: Clause = {
+        attribute: 'count',
+        op: 'in',
+        values: [5],
+        contextKind: 'party',
+        attributeReference: new AttributeReference('count'),
+      };
 
-    const context = Context.fromLDContext({
-      kind: 'multi',
-      park: {
-        key: 'park',
-        count: 5,
-      },
-      party: {
-        key: 'party',
-        region: 'north',
-      },
+      const context = Context.fromLDContext({
+        kind: 'multi',
+        park: {
+          key: 'park',
+          count: 5,
+        },
+        party: {
+          key: 'party',
+          region: 'north',
+        },
+      });
+
+      const flag = makeBooleanFlagWithRules([
+        { id: '1234', clauses: [clause1, clause2], variation: 1 },
+      ]);
+      const res = await evaluator.evaluate(flag, context!);
+      expect(res.detail.value).toBe(false);
     });
 
-    const flag = makeBooleanFlagWithRules([
-      { id: '1234', clauses: [clause1, clause2], variation: 1 },
-    ]);
-    const res = await evaluator.evaluate(flag, context!);
-    expect(res.detail.value).toBe(false);
-  });
+    it('can check for the presence of contexts', async () => {
+      const clause: Clause = {
+        attribute: 'kind',
+        op: 'in',
+        values: ['party'],
+        attributeReference: new AttributeReference('kind'),
+      };
 
-  it('can check for the presence of contexts', async () => {
-    const clause: Clause = {
-      attribute: 'kind',
-      op: 'in',
-      values: ['party'],
-      attributeReference: new AttributeReference('kind'),
-    };
+      const context = Context.fromLDContext({
+        kind: 'multi',
+        park: {
+          key: 'park',
+          count: 5,
+        },
+        party: {
+          key: 'party',
+          region: 'north',
+        },
+      });
 
-    const context = Context.fromLDContext({
-      kind: 'multi',
-      park: {
-        key: 'park',
-        count: 5,
-      },
-      party: {
-        key: 'party',
-        region: 'north',
-      },
+      const flag = makeBooleanFlagWithOneClause(clause);
+      const res = await evaluator.evaluate(flag, context!);
+      expect(res.detail.value).toBe(true);
     });
 
-    const flag = makeBooleanFlagWithOneClause(clause);
-    const res = await evaluator.evaluate(flag, context!);
-    expect(res.detail.value).toBe(true);
+    it('does not match if the kind is not in the context', async () => {
+      const clause: Clause = {
+        attribute: 'kind',
+        op: 'in',
+        values: ['zoo'],
+        attributeReference: new AttributeReference('kind'),
+      };
+
+      const context = Context.fromLDContext({
+        kind: 'multi',
+        park: {
+          key: 'park',
+          count: 5,
+        },
+        party: {
+          key: 'party',
+          region: 'north',
+        },
+      });
+
+      const flag = makeBooleanFlagWithOneClause(clause);
+      const res = await evaluator.evaluate(flag, context!);
+      expect(res.detail.value).toBe(false);
+    });
   });
 
-  it('does not match if the kind is not in the context', async () => {
+  it('handles clauses with malformed attribute references', async () => {
     const clause: Clause = {
-      attribute: 'kind',
+      attribute: '//region',
       op: 'in',
-      values: ['zoo'],
-      attributeReference: new AttributeReference('kind'),
+      values: ['north'],
+      contextKind: 'park',
+      attributeReference: new AttributeReference('//region'),
     };
 
     const context = Context.fromLDContext({
       kind: 'multi',
       park: {
         key: 'park',
-        count: 5,
+        region: 'north',
       },
       party: {
         key: 'party',
-        region: 'north',
+        count: 5,
       },
     });
 
-    const flag = makeBooleanFlagWithOneClause(clause);
+    const flag = makeBooleanFlagWithRules([{ id: '1234', clauses: [clause], variation: 1 }]);
     const res = await evaluator.evaluate(flag, context!);
-    expect(res.detail.value).toBe(false);
-  });
-});
-
-it('handles clauses with malformed attribute references', async () => {
-  const clause: Clause = {
-    attribute: '//region',
-    op: 'in',
-    values: ['north'],
-    contextKind: 'park',
-    attributeReference: new AttributeReference('//region'),
-  };
-
-  const context = Context.fromLDContext({
-    kind: 'multi',
-    park: {
-      key: 'park',
-      region: 'north',
-    },
-    party: {
-      key: 'party',
-      count: 5,
-    },
+    expect(res.detail.reason).toEqual({ kind: 'ERROR', errorKind: 'MALFORMED_FLAG' });
+    expect(res.detail.value).toBe(null);
   });
 
-  const flag = makeBooleanFlagWithRules([{ id: '1234', clauses: [clause], variation: 1 }]);
-  const res = await evaluator.evaluate(flag, context!);
-  expect(res.detail.reason).toEqual({ kind: 'ERROR', errorKind: 'MALFORMED_FLAG' });
-  expect(res.detail.value).toBe(null);
-});
+  describe.each([
+    ['lessThan', 99, 99.0001],
+    ['lessThanOrEqual', 99, 99.0001],
+    ['greaterThan', 99.0001, 99],
+    ['greaterThanOrEqual', 99.0001, 99],
 
-describe.each([
-  ['lessThan', 99, 99.0001],
-  ['lessThanOrEqual', 99, 99.0001],
-  ['greaterThan', 99.0001, 99],
-  ['greaterThanOrEqual', 99.0001, 99],
-
-  // string comparisons
-  ['startsWith', 'xyz', 'x'],
-  ['endsWith', 'xyz', 'z'],
-  ['contains', 'xyz', 'y'],
-
-  // regex
-  ['matches', 'hello world', 'hello.*rld'],
-
-  // dates
-  ['before', 0, 1],
-  ['after', '1970-01-01T00:00:02.500Z', 1000],
-
-  // semver
-  ['semVerLessThan', '2.0.0', '2.0.1'],
-  ['semVerGreaterThan', '2.0.1', '2.0.0'],
-])(
-  'executes operations with the clause value and context value correctly',
-  (operator, contextValue, clauseValue) => {
-    const clause: Clause = {
-      attribute: 'value',
-      // @ts-ignore
-      op: operator,
-      values: [clauseValue],
-      contextKind: 'potato',
-      attributeReference: new AttributeReference('value'),
-    };
+    // string comparisons
+    ['startsWith', 'xyz', 'x'],
+    ['endsWith', 'xyz', 'z'],
+    ['contains', 'xyz', 'y'],
 
-    const context = Context.fromLDContext({
-      kind: 'potato',
-      key: 'potato',
-      value: contextValue,
-    });
+    // regex
+    ['matches', 'hello world', 'hello.*rld'],
 
-    const contextWArray = Context.fromLDContext({
-      kind: 'potato',
-      key: 'potato',
-      value: [contextValue],
-    });
+    // dates
+    ['before', 0, 1],
+    ['after', '1970-01-01T00:00:02.500Z', 1000],
 
-    it(`Operator ${operator} with ${contextValue} and ${clauseValue} should be true`, async () => {
-      const flag = makeBooleanFlagWithOneClause(clause);
-      const res = await evaluator.evaluate(flag, context);
-      expect(res.detail.value).toBe(true);
+    // semver
+    ['semVerLessThan', '2.0.0', '2.0.1'],
+    ['semVerGreaterThan', '2.0.1', '2.0.0'],
+  ])(
+    'executes operations with the clause value and context value correctly',
+    (operator, contextValue, clauseValue) => {
+      const clause: Clause = {
+        attribute: 'value',
+        // @ts-ignore
+        op: operator,
+        values: [clauseValue],
+        contextKind: 'potato',
+        attributeReference: new AttributeReference('value'),
+      };
 
-      const res2 = await evaluator.evaluate(flag, contextWArray);
-      expect(res2.detail.value).toBe(true);
-    });
-  },
-);
+      const context = Context.fromLDContext({
+        kind: 'potato',
+        key: 'potato',
+        value: contextValue,
+      });
+
+      const contextWArray = Context.fromLDContext({
+        kind: 'potato',
+        key: 'potato',
+        value: [contextValue],
+      });
+
+      it(`Operator ${operator} with ${contextValue} and ${clauseValue} should be true`, async () => {
+        const flag = makeBooleanFlagWithOneClause(clause);
+        const res = await evaluator.evaluate(flag, context);
+        expect(res.detail.value).toBe(true);
+
+        const res2 = await evaluator.evaluate(flag, contextWArray);
+        expect(res2.detail.value).toBe(true);
+      });
+    },
+  );
+});
diff --git a/packages/shared/sdk-server/__tests__/evaluation/Evaluator.rules.test.ts b/packages/shared/sdk-server/__tests__/evaluation/Evaluator.rules.test.ts
index 60de3b117..853d4051a 100644
--- a/packages/shared/sdk-server/__tests__/evaluation/Evaluator.rules.test.ts
+++ b/packages/shared/sdk-server/__tests__/evaluation/Evaluator.rules.test.ts
@@ -18,166 +18,171 @@ const basicUser: LDContext = { key: 'userkey' };
 const basicSingleKindUser: LDContext = { kind: 'user', key: 'userkey' };
 const basicMultiKindUser: LDContext = { kind: 'multi', user: { key: 'userkey' } };
 
-const evaluator = new Evaluator(mocks.basicPlatform, noQueries);
+describe('Evaluator.rules', () => {
+  let evaluator: Evaluator;
+  beforeEach(() => {
+    evaluator = new Evaluator(mocks.basicPlatform, noQueries);
+  });
 
-describe('when evaluating user equivalent contexts', () => {
-  const matchClause = makeClauseThatMatchesUser(basicUser);
-  const noMatchClause = makeClauseThatDoesNotMatchUser(basicUser);
+  describe('when evaluating user equivalent contexts', () => {
+    const matchClause = makeClauseThatMatchesUser(basicUser);
+    const noMatchClause = makeClauseThatDoesNotMatchUser(basicUser);
 
-  it.each<LDContext>([basicUser, basicSingleKindUser, basicMultiKindUser])(
-    'matches user from rules',
-    async (userToTest) => {
-      const rule0: FlagRule = {
-        id: 'id0',
-        clauses: [noMatchClause],
-        variation: 1,
-      };
-      const rule1: FlagRule = {
-        id: 'id1',
-        clauses: [matchClause],
-        variation: 2,
-      };
-      const flag = makeFlagWithRules([rule0, rule1]);
-      const res = await evaluator.evaluate(flag, Context.fromLDContext(userToTest));
-      expect(res.detail).toMatchObject({
-        value: 'c',
-        variationIndex: 2,
-        reason: { kind: 'RULE_MATCH', ruleIndex: 1, ruleId: 'id1' },
-      });
-    },
-  );
+    it.each<LDContext>([basicUser, basicSingleKindUser, basicMultiKindUser])(
+      'matches user from rules',
+      async (userToTest) => {
+        const rule0: FlagRule = {
+          id: 'id0',
+          clauses: [noMatchClause],
+          variation: 1,
+        };
+        const rule1: FlagRule = {
+          id: 'id1',
+          clauses: [matchClause],
+          variation: 2,
+        };
+        const flag = makeFlagWithRules([rule0, rule1]);
+        const res = await evaluator.evaluate(flag, Context.fromLDContext(userToTest));
+        expect(res.detail).toMatchObject({
+          value: 'c',
+          variationIndex: 2,
+          reason: { kind: 'RULE_MATCH', ruleIndex: 1, ruleId: 'id1' },
+        });
+      },
+    );
 
-  it.each<LDContext>([basicUser, basicSingleKindUser, basicMultiKindUser])(
-    'returns error if rule variation is too high',
-    async (userToTest) => {
-      const rule: FlagRule = { id: 'id', clauses: [matchClause], variation: 99 };
-      const flag = makeFlagWithRules([rule]);
-      const res = await evaluator.evaluate(flag, Context.fromLDContext(userToTest));
-      expect(res.isError).toBeTruthy();
-      expect(res.message).toEqual('Invalid variation index in flag');
-      expect(res.detail).toMatchObject({
-        value: null,
-        variationIndex: null,
-        reason: { kind: 'ERROR', errorKind: 'MALFORMED_FLAG' },
-      });
-    },
-  );
+    it.each<LDContext>([basicUser, basicSingleKindUser, basicMultiKindUser])(
+      'returns error if rule variation is too high',
+      async (userToTest) => {
+        const rule: FlagRule = { id: 'id', clauses: [matchClause], variation: 99 };
+        const flag = makeFlagWithRules([rule]);
+        const res = await evaluator.evaluate(flag, Context.fromLDContext(userToTest));
+        expect(res.isError).toBeTruthy();
+        expect(res.message).toEqual('Invalid variation index in flag');
+        expect(res.detail).toMatchObject({
+          value: null,
+          variationIndex: null,
+          reason: { kind: 'ERROR', errorKind: 'MALFORMED_FLAG' },
+        });
+      },
+    );
 
-  it.each<LDContext>([basicUser, basicSingleKindUser, basicMultiKindUser])(
-    'returns error if rule variation is negative',
-    async (userToTest) => {
-      const rule: FlagRule = { id: 'id', clauses: [matchClause], variation: -1 };
-      const flag = makeFlagWithRules([rule]);
-      const res = await evaluator.evaluate(flag, Context.fromLDContext(userToTest));
-      expect(res.isError).toBeTruthy();
-      expect(res.message).toEqual('Invalid variation index in flag');
-      expect(res.detail).toMatchObject({
-        value: null,
-        variationIndex: null,
-        reason: { kind: 'ERROR', errorKind: 'MALFORMED_FLAG' },
-      });
-    },
-  );
+    it.each<LDContext>([basicUser, basicSingleKindUser, basicMultiKindUser])(
+      'returns error if rule variation is negative',
+      async (userToTest) => {
+        const rule: FlagRule = { id: 'id', clauses: [matchClause], variation: -1 };
+        const flag = makeFlagWithRules([rule]);
+        const res = await evaluator.evaluate(flag, Context.fromLDContext(userToTest));
+        expect(res.isError).toBeTruthy();
+        expect(res.message).toEqual('Invalid variation index in flag');
+        expect(res.detail).toMatchObject({
+          value: null,
+          variationIndex: null,
+          reason: { kind: 'ERROR', errorKind: 'MALFORMED_FLAG' },
+        });
+      },
+    );
 
-  it.each<LDContext>([basicUser, basicSingleKindUser, basicMultiKindUser])(
-    'returns error if rule has no variation or rollout',
-    async (userToTest) => {
-      const rule: FlagRule = { id: 'id', clauses: [matchClause] };
-      const flag = makeFlagWithRules([rule]);
-      const res = await evaluator.evaluate(flag, Context.fromLDContext(userToTest));
-      expect(res.isError).toBeTruthy();
-      expect(res.message).toEqual('Variation/rollout object with no variation or rollout');
-      expect(res.detail).toMatchObject({
-        value: null,
-        variationIndex: null,
-        reason: { kind: 'ERROR', errorKind: 'MALFORMED_FLAG' },
-      });
-    },
-  );
+    it.each<LDContext>([basicUser, basicSingleKindUser, basicMultiKindUser])(
+      'returns error if rule has no variation or rollout',
+      async (userToTest) => {
+        const rule: FlagRule = { id: 'id', clauses: [matchClause] };
+        const flag = makeFlagWithRules([rule]);
+        const res = await evaluator.evaluate(flag, Context.fromLDContext(userToTest));
+        expect(res.isError).toBeTruthy();
+        expect(res.message).toEqual('Variation/rollout object with no variation or rollout');
+        expect(res.detail).toMatchObject({
+          value: null,
+          variationIndex: null,
+          reason: { kind: 'ERROR', errorKind: 'MALFORMED_FLAG' },
+        });
+      },
+    );
 
-  it.each<LDContext>([basicUser, basicSingleKindUser, basicMultiKindUser])(
-    'returns error if rule has rollout with no variations',
-    async (userToTest) => {
-      const rule: FlagRule = { id: 'id', clauses: [matchClause], rollout: { variations: [] } };
-      const flag = makeFlagWithRules([rule]);
-      const res = await evaluator.evaluate(flag, Context.fromLDContext(userToTest));
-      expect(res.isError).toBeTruthy();
-      expect(res.message).toEqual('Variation/rollout object with no variation or rollout');
-      expect(res.detail).toMatchObject({
-        value: null,
-        variationIndex: null,
-        reason: { kind: 'ERROR', errorKind: 'MALFORMED_FLAG' },
-      });
-    },
-  );
+    it.each<LDContext>([basicUser, basicSingleKindUser, basicMultiKindUser])(
+      'returns error if rule has rollout with no variations',
+      async (userToTest) => {
+        const rule: FlagRule = { id: 'id', clauses: [matchClause], rollout: { variations: [] } };
+        const flag = makeFlagWithRules([rule]);
+        const res = await evaluator.evaluate(flag, Context.fromLDContext(userToTest));
+        expect(res.isError).toBeTruthy();
+        expect(res.message).toEqual('Variation/rollout object with no variation or rollout');
+        expect(res.detail).toMatchObject({
+          value: null,
+          variationIndex: null,
+          reason: { kind: 'ERROR', errorKind: 'MALFORMED_FLAG' },
+        });
+      },
+    );
 
-  it.each<LDContext>([basicUser, basicSingleKindUser, basicMultiKindUser])(
-    'does not overflow the call stack when evaluating a huge number of rules',
-    async (userToTest) => {
-      const ruleCount = 5000;
-      const flag: Flag = {
-        key: 'flag',
-        targets: [],
-        on: true,
-        variations: [false, true],
-        fallthrough: { variation: 0 },
-        version: 1,
-      };
-      // Note, for this test to be meaningful, the rules must *not* match the user, since we
-      // stop evaluating rules on the first match.
-      const rules: FlagRule[] = [];
-      for (let i = 0; i < ruleCount; i += 1) {
-        rules.push({ id: '1234', clauses: [noMatchClause], variation: 1 });
-      }
-      flag.rules = rules;
-      const res = await evaluator.evaluate(flag, Context.fromLDContext(userToTest));
-      expect(res.isError).toBeFalsy();
-      expect(res.detail.value).toEqual(false);
-    },
-  );
-});
+    it.each<LDContext>([basicUser, basicSingleKindUser, basicMultiKindUser])(
+      'does not overflow the call stack when evaluating a huge number of rules',
+      async (userToTest) => {
+        const ruleCount = 5000;
+        const flag: Flag = {
+          key: 'flag',
+          targets: [],
+          on: true,
+          variations: [false, true],
+          fallthrough: { variation: 0 },
+          version: 1,
+        };
+        // Note, for this test to be meaningful, the rules must *not* match the user, since we
+        // stop evaluating rules on the first match.
+        const rules: FlagRule[] = [];
+        for (let i = 0; i < ruleCount; i += 1) {
+          rules.push({ id: '1234', clauses: [noMatchClause], variation: 1 });
+        }
+        flag.rules = rules;
+        const res = await evaluator.evaluate(flag, Context.fromLDContext(userToTest));
+        expect(res.isError).toBeFalsy();
+        expect(res.detail.value).toEqual(false);
+      },
+    );
+  });
 
-describe('when evaluating non-user contexts', () => {
-  const targetKey = 'targetKey';
-  const targetContextKind = 'org';
-  const matchClause: Clause = {
-    attribute: 'key',
-    op: 'in',
-    values: [targetKey],
-    contextKind: targetContextKind,
-    attributeReference: new AttributeReference('key'),
-  };
-  const noMatchClause: Clause = {
-    attribute: 'key',
-    op: 'in',
-    values: [`not-${targetKey}`],
-    contextKind: targetContextKind,
-    attributeReference: new AttributeReference('key'),
-  };
+  describe('when evaluating non-user contexts', () => {
+    const targetKey = 'targetKey';
+    const targetContextKind = 'org';
+    const matchClause: Clause = {
+      attribute: 'key',
+      op: 'in',
+      values: [targetKey],
+      contextKind: targetContextKind,
+      attributeReference: new AttributeReference('key'),
+    };
+    const noMatchClause: Clause = {
+      attribute: 'key',
+      op: 'in',
+      values: [`not-${targetKey}`],
+      contextKind: targetContextKind,
+      attributeReference: new AttributeReference('key'),
+    };
 
-  const singleKindContext: LDContext = {
-    kind: targetContextKind,
-    key: targetKey,
-  };
-  const multiKindContext: LDContext = {
-    kind: 'multi',
-  };
-  multiKindContext[targetContextKind] = {
-    key: targetKey,
-  };
+    const singleKindContext: LDContext = {
+      kind: targetContextKind,
+      key: targetKey,
+    };
+    const multiKindContext: LDContext = {
+      kind: 'multi',
+    };
+    multiKindContext[targetContextKind] = {
+      key: targetKey,
+    };
 
-  it.each([singleKindContext, multiKindContext])(
-    'matches user from rules',
-    async (contextToTest) => {
-      const rule0: FlagRule = { id: 'id0', clauses: [noMatchClause], variation: 1 };
-      const rule1: FlagRule = { id: 'id1', clauses: [matchClause], variation: 2 };
-      const flag = makeFlagWithRules([rule0, rule1]);
-      const res = await evaluator.evaluate(flag, Context.fromLDContext(contextToTest));
-      expect(res.detail).toMatchObject({
-        value: 'c',
-        variationIndex: 2,
-        reason: { kind: 'RULE_MATCH', ruleIndex: 1, ruleId: 'id1' },
-      });
-    },
-  );
+    it.each([singleKindContext, multiKindContext])(
+      'matches user from rules',
+      async (contextToTest) => {
+        const rule0: FlagRule = { id: 'id0', clauses: [noMatchClause], variation: 1 };
+        const rule1: FlagRule = { id: 'id1', clauses: [matchClause], variation: 2 };
+        const flag = makeFlagWithRules([rule0, rule1]);
+        const res = await evaluator.evaluate(flag, Context.fromLDContext(contextToTest));
+        expect(res.detail).toMatchObject({
+          value: 'c',
+          variationIndex: 2,
+          reason: { kind: 'RULE_MATCH', ruleIndex: 1, ruleId: 'id1' },
+        });
+      },
+    );
+  });
 });
diff --git a/packages/shared/sdk-server/__tests__/evaluation/Evaluator.test.ts b/packages/shared/sdk-server/__tests__/evaluation/Evaluator.test.ts
index a51cd35e2..9c12dccc6 100644
--- a/packages/shared/sdk-server/__tests__/evaluation/Evaluator.test.ts
+++ b/packages/shared/sdk-server/__tests__/evaluation/Evaluator.test.ts
@@ -15,139 +15,143 @@ const offBaseFlag = {
   variations: ['zero', 'one', 'two'],
 };
 
-describe.each<[Flag, LDContext, EvalResult | undefined]>([
-  [
-    {
-      ...offBaseFlag,
-    },
-    { key: 'user-key' },
-    EvalResult.forSuccess(null, Reasons.Off, undefined),
-  ],
-  [
-    {
-      ...offBaseFlag,
-      offVariation: 2,
-    },
-    { key: 'user-key' },
-    EvalResult.forSuccess('two', Reasons.Off, 2),
-  ],
-])('Given off flags and an evaluator', (flag, context, expected) => {
-  const evaluator = new Evaluator(mocks.basicPlatform, noQueries);
+describe('Evaluator.test', () => {
+  let evaluator: Evaluator;
+  beforeEach(() => {
+    evaluator = new Evaluator(mocks.basicPlatform, noQueries);
+  });
 
-  it(`produces the expected evaluation result for context: ${context.key} ${
-    // @ts-ignore
-    context.kind
-  } targets: ${flag.targets?.map(
-    (t) => `${t.values}, ${t.variation}`,
-  )} context targets: ${flag.contextTargets?.map(
-    (t) => `${t.contextKind}: ${t.values}, ${t.variation}`,
-  )}`, async () => {
-    const result = await evaluator.evaluate(flag, Context.fromLDContext(context));
-    expect(result?.isError).toEqual(expected?.isError);
-    expect(result?.detail).toStrictEqual(expected?.detail);
-    expect(result?.message).toEqual(expected?.message);
+  describe.each<[Flag, LDContext, EvalResult | undefined]>([
+    [
+      {
+        ...offBaseFlag,
+      },
+      { key: 'user-key' },
+      EvalResult.forSuccess(null, Reasons.Off, undefined),
+    ],
+    [
+      {
+        ...offBaseFlag,
+        offVariation: 2,
+      },
+      { key: 'user-key' },
+      EvalResult.forSuccess('two', Reasons.Off, 2),
+    ],
+  ])('Given off flags and an evaluator', (flag, context, expected) => {
+    it(`produces the expected evaluation result for context: ${context.key} ${
+      // @ts-ignore
+      context.kind
+    } targets: ${flag.targets?.map(
+      (t) => `${t.values}, ${t.variation}`,
+    )} context targets: ${flag.contextTargets?.map(
+      (t) => `${t.contextKind}: ${t.values}, ${t.variation}`,
+    )}`, async () => {
+      const result = await evaluator.evaluate(flag, Context.fromLDContext(context));
+      expect(result?.isError).toEqual(expected?.isError);
+      expect(result?.detail).toStrictEqual(expected?.detail);
+      expect(result?.message).toEqual(expected?.message);
+    });
   });
-});
 
-const targetBaseFlag = {
-  key: 'feature0',
-  version: 1,
-  on: true,
-  fallthrough: { variation: 1 },
-  variations: ['zero', 'one', 'two'],
-};
+  const targetBaseFlag = {
+    key: 'feature0',
+    version: 1,
+    on: true,
+    fallthrough: { variation: 1 },
+    variations: ['zero', 'one', 'two'],
+  };
 
-describe.each<[Flag, LDContext, EvalResult | undefined]>([
-  [
-    {
-      ...targetBaseFlag,
-      targets: [
-        {
-          values: ['user-key'],
-          variation: 0,
-        },
-      ],
-    },
-    { key: 'user-key' },
-    EvalResult.forSuccess('zero', Reasons.TargetMatch, 0),
-  ],
-  [
-    {
-      ...targetBaseFlag,
-      targets: [
-        {
-          values: ['user-key'],
-          variation: 0,
-        },
-        {
-          values: ['user-key2'],
-          variation: 2,
-        },
-      ],
-    },
-    { key: 'user-key2' },
-    EvalResult.forSuccess('two', Reasons.TargetMatch, 2),
-  ],
-  [
-    {
-      ...targetBaseFlag,
-      targets: [
-        {
-          values: ['user-key'],
-          variation: 0,
-        },
-        {
-          values: ['user-key2'],
-          variation: 2,
-        },
-      ],
-      contextTargets: [
-        {
-          values: [],
-          variation: 2,
-        },
-      ],
-    },
-    { key: 'user-key2' },
-    EvalResult.forSuccess('two', Reasons.TargetMatch, 2),
-  ],
-  [
-    {
-      ...targetBaseFlag,
-      targets: [
-        {
-          values: ['user-key'],
-          variation: 0,
-        },
-        {
-          values: ['user-key2'],
-          variation: 2,
-        },
-      ],
-      contextTargets: [
-        {
-          contextKind: 'org',
-          values: ['org-key'],
-          variation: 1,
-        },
-      ],
-    },
-    { kind: 'org', key: 'org-key' },
-    EvalResult.forSuccess('one', Reasons.TargetMatch, 1),
-  ],
-])('given flag configurations with different targets that match', (flag, context, expected) => {
-  const evaluator = new Evaluator(mocks.basicPlatform, noQueries);
-  it(`produces the expected evaluation result for context: ${context.key} ${
-    // @ts-ignore
-    context.kind
-  } targets: ${flag.targets?.map(
-    (t) => `${t.values}, ${t.variation}`,
-  )} context targets: ${flag.contextTargets?.map(
-    (t) => `${t.contextKind}: ${t.values}, ${t.variation}`,
-  )}`, async () => {
-    const result = await evaluator.evaluate(flag, Context.fromLDContext(context));
-    expect(result?.isError).toEqual(expected?.isError);
-    expect(result?.detail).toStrictEqual(expected?.detail);
-    expect(result?.message).toEqual(expected?.message);
+  describe.each<[Flag, LDContext, EvalResult | undefined]>([
+    [
+      {
+        ...targetBaseFlag,
+        targets: [
+          {
+            values: ['user-key'],
+            variation: 0,
+          },
+        ],
+      },
+      { key: 'user-key' },
+      EvalResult.forSuccess('zero', Reasons.TargetMatch, 0),
+    ],
+    [
+      {
+        ...targetBaseFlag,
+        targets: [
+          {
+            values: ['user-key'],
+            variation: 0,
+          },
+          {
+            values: ['user-key2'],
+            variation: 2,
+          },
+        ],
+      },
+      { key: 'user-key2' },
+      EvalResult.forSuccess('two', Reasons.TargetMatch, 2),
+    ],
+    [
+      {
+        ...targetBaseFlag,
+        targets: [
+          {
+            values: ['user-key'],
+            variation: 0,
+          },
+          {
+            values: ['user-key2'],
+            variation: 2,
+          },
+        ],
+        contextTargets: [
+          {
+            values: [],
+            variation: 2,
+          },
+        ],
+      },
+      { key: 'user-key2' },
+      EvalResult.forSuccess('two', Reasons.TargetMatch, 2),
+    ],
+    [
+      {
+        ...targetBaseFlag,
+        targets: [
+          {
+            values: ['user-key'],
+            variation: 0,
+          },
+          {
+            values: ['user-key2'],
+            variation: 2,
+          },
+        ],
+        contextTargets: [
+          {
+            contextKind: 'org',
+            values: ['org-key'],
+            variation: 1,
+          },
+        ],
+      },
+      { kind: 'org', key: 'org-key' },
+      EvalResult.forSuccess('one', Reasons.TargetMatch, 1),
+    ],
+  ])('given flag configurations with different targets that match', (flag, context, expected) => {
+    it(`produces the expected evaluation result for context: ${context.key} ${
+      // @ts-ignore
+      context.kind
+    } targets: ${flag.targets?.map(
+      (t) => `${t.values}, ${t.variation}`,
+    )} context targets: ${flag.contextTargets?.map(
+      (t) => `${t.contextKind}: ${t.values}, ${t.variation}`,
+    )}`, async () => {
+      const result = await evaluator.evaluate(flag, Context.fromLDContext(context));
+      expect(result?.isError).toEqual(expected?.isError);
+      expect(result?.detail).toStrictEqual(expected?.detail);
+      expect(result?.message).toEqual(expected?.message);
+    });
   });
 });
diff --git a/packages/shared/sdk-server/jest-setupFilesAfterEnv.ts b/packages/shared/sdk-server/jest-setupFilesAfterEnv.ts
new file mode 100644
index 000000000..7f23f47df
--- /dev/null
+++ b/packages/shared/sdk-server/jest-setupFilesAfterEnv.ts
@@ -0,0 +1,3 @@
+import { setupMocks } from '@launchdarkly/private-js-mocks';
+
+setupMocks();
diff --git a/packages/shared/sdk-server/jest.config.js b/packages/shared/sdk-server/jest.config.js
index 6753062cc..68e3f99f9 100644
--- a/packages/shared/sdk-server/jest.config.js
+++ b/packages/shared/sdk-server/jest.config.js
@@ -4,4 +4,5 @@ module.exports = {
   testEnvironment: 'node',
   moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'],
   collectCoverageFrom: ['src/**/*.ts'],
+  setupFilesAfterEnv: ['./jest-setupFilesAfterEnv.ts'],
 };
diff --git a/packages/shared/sdk-server/tsconfig.json b/packages/shared/sdk-server/tsconfig.json
index 1a394bfbf..83caa8a43 100644
--- a/packages/shared/sdk-server/tsconfig.json
+++ b/packages/shared/sdk-server/tsconfig.json
@@ -14,5 +14,5 @@
     "declarationMap": true, // enables importers to jump to source
     "stripInternal": true
   },
-  "exclude": ["**/*.test.ts", "dist", "node_modules", "__tests__"]
+  "exclude": ["**/*.test.ts", "dist", "node_modules", "__tests__", "jest-setupFilesAfterEnv.ts"]
 }

From 990cd5d680c7234e4afcd41c7b1bf0b8577f179b Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Sun, 21 Jan 2024 17:38:23 -0800
Subject: [PATCH 21/44] chore: Replace null coaslescence with falsy checks for
 empty strings.

---
 packages/shared/sdk-client/src/utils/injectAutoEnv.ts | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/packages/shared/sdk-client/src/utils/injectAutoEnv.ts b/packages/shared/sdk-client/src/utils/injectAutoEnv.ts
index 36b244226..6ce4bdebf 100644
--- a/packages/shared/sdk-client/src/utils/injectAutoEnv.ts
+++ b/packages/shared/sdk-client/src/utils/injectAutoEnv.ts
@@ -38,9 +38,9 @@ export const injectApplication = ({ crypto, info }: Platform, config: Configurat
   const { ld_application } = info.platformData();
 
   const ldApplication = clone<LDApplication>(ld_application);
-  ldApplication.id = config.application?.id ?? ldApplication.id ?? name ?? wrapperName;
+  ldApplication.id = config.application?.id || ldApplication.id || name || wrapperName;
   ldApplication.version =
-    config.application?.version ?? ldApplication.version ?? version ?? wrapperVersion;
+    config.application?.version || ldApplication.version || version || wrapperVersion;
 
   const hasher = crypto.createHash('sha256');
   hasher.update(ldApplication.id!);
@@ -60,8 +60,8 @@ export const injectDevice = async (platform: Platform) => {
   const ldDevice = clone<LDDevice>(ld_device);
 
   // TODO: check for empty string
-  ldDevice.os.name = os?.name ?? ldDevice.os.name;
-  ldDevice.os.version = os?.version ?? ldDevice.os.version;
+  ldDevice.os.name = os?.name || ldDevice.os.name;
+  ldDevice.os.version = os?.version || ldDevice.os.version;
   ldDevice.key = await getOrGenerateKey('ld_device', platform);
 
   return ldDevice;

From ac612b6d6930462949d0de9bff595d8958c327f0 Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Mon, 22 Jan 2024 10:52:23 -0800
Subject: [PATCH 22/44] chore: Removed CryptoWithHash. Added hasher to exports.

---
 packages/shared/mocks/src/crypto.ts                | 13 ++++---------
 packages/shared/mocks/src/index.ts                 |  4 ++--
 .../sdk-server-edge/jest-setupFilesAfterEnv.ts     |  3 +++
 packages/shared/sdk-server-edge/jest.config.json   |  3 ++-
 .../__tests__/evaluation/Bucketer.test.ts          | 14 +++++++-------
 5 files changed, 18 insertions(+), 19 deletions(-)
 create mode 100644 packages/shared/sdk-server-edge/jest-setupFilesAfterEnv.ts

diff --git a/packages/shared/mocks/src/crypto.ts b/packages/shared/mocks/src/crypto.ts
index 032303fbb..22e800adc 100644
--- a/packages/shared/mocks/src/crypto.ts
+++ b/packages/shared/mocks/src/crypto.ts
@@ -1,19 +1,16 @@
-import type { Crypto, Hasher } from '@common';
+import type { Hasher } from '@common';
 
-// HACK: inject hasher so we can easily test calls to update & digest
-export type CryptoWithHash = Crypto & { hasher: Hasher };
 // eslint-disable-next-line import/no-mutable-exports
-export let crypto: CryptoWithHash;
+export let hasher: Hasher;
 
 export const setupCrypto = () => {
   let counter = 0;
-  const hasher: Hasher = {
+  hasher = {
     update: jest.fn(),
     digest: jest.fn(() => '1234567890123456'),
   };
 
-  crypto = {
-    hasher,
+  return {
     createHash: jest.fn(() => hasher),
     createHmac: jest.fn(),
     randomUUID: jest.fn(() => {
@@ -23,6 +20,4 @@ export const setupCrypto = () => {
       return `${counter}`;
     }),
   };
-
-  return crypto;
 };
diff --git a/packages/shared/mocks/src/index.ts b/packages/shared/mocks/src/index.ts
index 58114d5a5..215c1ee65 100644
--- a/packages/shared/mocks/src/index.ts
+++ b/packages/shared/mocks/src/index.ts
@@ -1,6 +1,6 @@
 import clientContext from './clientContext';
 import ContextDeduplicator from './contextDeduplicator';
-import { type CryptoWithHash } from './crypto';
+import { hasher } from './crypto';
 import logger from './logger';
 import mockFetch from './mockFetch';
 import { basicPlatform } from './platform';
@@ -10,11 +10,11 @@ import { MockStreamingProcessor, setupMockStreamingProcessor } from './streaming
 export {
   basicPlatform,
   clientContext,
+  hasher,
   mockFetch,
   logger,
   ContextDeduplicator,
   MockStreamingProcessor,
   setupMockStreamingProcessor,
   setupMocks,
-  CryptoWithHash,
 };
diff --git a/packages/shared/sdk-server-edge/jest-setupFilesAfterEnv.ts b/packages/shared/sdk-server-edge/jest-setupFilesAfterEnv.ts
new file mode 100644
index 000000000..7f23f47df
--- /dev/null
+++ b/packages/shared/sdk-server-edge/jest-setupFilesAfterEnv.ts
@@ -0,0 +1,3 @@
+import { setupMocks } from '@launchdarkly/private-js-mocks';
+
+setupMocks();
diff --git a/packages/shared/sdk-server-edge/jest.config.json b/packages/shared/sdk-server-edge/jest.config.json
index 617480774..205d3c3ab 100644
--- a/packages/shared/sdk-server-edge/jest.config.json
+++ b/packages/shared/sdk-server-edge/jest.config.json
@@ -5,5 +5,6 @@
   "modulePathIgnorePatterns": ["dist"],
   "testEnvironment": "node",
   "moduleFileExtensions": ["ts", "tsx", "js", "jsx", "json", "node"],
-  "collectCoverageFrom": ["src/**/*.ts"]
+  "collectCoverageFrom": ["src/**/*.ts"],
+  "setupFilesAfterEnv": ["./jest-setupFilesAfterEnv.ts"]
 }
diff --git a/packages/shared/sdk-server/__tests__/evaluation/Bucketer.test.ts b/packages/shared/sdk-server/__tests__/evaluation/Bucketer.test.ts
index 58088e186..9e5413f03 100644
--- a/packages/shared/sdk-server/__tests__/evaluation/Bucketer.test.ts
+++ b/packages/shared/sdk-server/__tests__/evaluation/Bucketer.test.ts
@@ -2,13 +2,13 @@
 // We cannot fully validate bucketing in the common tests. Platform implementations
 // should contain a consistency test.
 // Testing here can only validate we are providing correct inputs to the hashing algorithm.
-import { AttributeReference, Context, LDContext } from '@launchdarkly/js-sdk-common';
-import { basicPlatform, type CryptoWithHash } from '@launchdarkly/private-js-mocks';
+import { AttributeReference, Context, Crypto, LDContext } from '@launchdarkly/js-sdk-common';
+import { basicPlatform, hasher } from '@launchdarkly/private-js-mocks';
 
 import Bucketer from '../../src/evaluation/Bucketer';
 
 describe('Bucketer.test', () => {
-  let crypto: CryptoWithHash;
+  let crypto: Crypto;
 
   beforeEach(() => {
     crypto = basicPlatform.crypto;
@@ -90,8 +90,8 @@ describe('Bucketer.test', () => {
       // in the expected way.
       expect(bucket).toBeCloseTo(0.07111111110140983, 5);
       expect(hadContext).toBeTruthy();
-      expect(crypto.hasher.update).toHaveBeenCalledWith(expected);
-      expect(crypto.hasher.digest).toHaveBeenCalledWith('hex');
+      expect(hasher.update).toHaveBeenCalledWith(expected);
+      expect(hasher.digest).toHaveBeenCalledWith('hex');
     });
 
     afterEach(() => {
@@ -126,8 +126,8 @@ describe('Bucketer.test', () => {
       );
       expect(bucket).toEqual(0);
       expect(hadContext).toEqual(kind === 'org');
-      expect(crypto.hasher.update).toBeCalledTimes(0);
-      expect(crypto.hasher.digest).toBeCalledTimes(0);
+      expect(hasher.update).toBeCalledTimes(0);
+      expect(hasher.digest).toBeCalledTimes(0);
     });
   });
 });

From 06cf961d49cc5a74a31b75bbd07b32f292e5ef66 Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Mon, 22 Jan 2024 12:12:15 -0800
Subject: [PATCH 23/44] chore: Improve mocks setup. Added readme instructions
 for mocks. Removed redundant jest setup files.

---
 packages/shared/mocks/README.md               | 78 ++++++++++++++++++-
 packages/shared/mocks/package.json            |  6 ++
 packages/shared/mocks/src/index.ts            |  2 -
 packages/shared/mocks/src/setupMocks.ts       |  8 +-
 .../sdk-client/jest-setupFilesAfterEnv.ts     |  5 --
 packages/shared/sdk-client/jest.config.json   |  2 +-
 .../jest-setupFilesAfterEnv.ts                |  3 -
 .../shared/sdk-server-edge/jest.config.json   |  2 +-
 .../sdk-server/jest-setupFilesAfterEnv.ts     |  3 -
 packages/shared/sdk-server/jest.config.js     |  2 +-
 10 files changed, 88 insertions(+), 23 deletions(-)
 delete mode 100644 packages/shared/sdk-client/jest-setupFilesAfterEnv.ts
 delete mode 100644 packages/shared/sdk-server-edge/jest-setupFilesAfterEnv.ts
 delete mode 100644 packages/shared/sdk-server/jest-setupFilesAfterEnv.ts

diff --git a/packages/shared/mocks/README.md b/packages/shared/mocks/README.md
index 730bb4fee..a304c0a06 100644
--- a/packages/shared/mocks/README.md
+++ b/packages/shared/mocks/README.md
@@ -2,9 +2,83 @@
 
 [![Actions Status][mocks-ci-badge]][mocks-ci]
 
-**Internal use only.**
+> [!CAUTION]
+> Internal use only.
+> This project contains JavaScript mocks that are consumed in unit tests in client-side and server-side JavaScript SDKs.
 
-This project contains JavaScript mocks that are consumed in unit tests in client-side and server-side JavaScript SDKs.
+## Installation
+
+This package is not published publicly. To use it internally, add the following line to your project's package.json
+devDependencies. yarn workspace has been setup to recognize this package so this dependency should automatically work:
+
+```bash
+  "devDependencies": {
+    "@launchdarkly/private-js-mocks": "0.0.1",
+    ...
+```
+
+Then in your jest config add `@launchdarkly/private-js-mocks/setup` to setupFilesAfterEnv:
+
+```js
+// jest.config.js or jest.config.json
+module.exports = {
+  setupFilesAfterEnv: ['@launchdarkly/private-js-mocks/setup'],
+  ...
+}
+```
+
+## Usage
+
+> [!IMPORTANT]  
+> basicPlatform must be used inside a test because it's setup before each test.
+
+- `basicPlatform`: a concrete but basic implementation of [Platform](https://github.com/launchdarkly/js-core/blob/main/packages/shared/common/src/api/platform/Platform.ts). This is setup beforeEach so it must be used inside a test.
+
+- `hasher`: a Hasher object returned by `Crypto.createHash`. All functions in this object are jest mocks. This is exported
+  separately as a top level export because `Crypto` does not expose this publicly and we want to respect that.
+
+## Example
+
+```tsx
+import { basicPlatform, hasher } from '@launchdarkly/private-js-mocks';
+
+// DOES NOT WORK: crypto is undefined because basicPlatform must be inside a test
+// because it's setup by the package in beforeEach.
+// const { crypto } = basicPlatform; // DON'T DO THIS
+
+describe('button', () => {
+  let crypto: Crypto;
+
+  beforeEach(() => {
+    // WORKS: basicPlatform has been setup by the package
+    crypto = basicPlatform.crypto; // DO THIS
+  });
+
+  afterEach(() => {
+    jest.resetAllMocks();
+  });
+
+  it('hashes the correct string', () => {
+    // arrange
+    const bucketer = new Bucketer(crypto);
+
+    // act
+    const [bucket, hadContext] = bucketer.bucket();
+
+    // assert
+    expect(crypto.createHash).toHaveBeenCalled();
+
+    // GOTCHA: hasher is a separte import from crypto to respect
+    // the public Crypto interface.
+    expect(hasher.update).toHaveBeenCalledWith(expected);
+    expect(hasher.digest).toHaveBeenCalledWith('hex');
+  });
+});
+```
+
+## Developing this package
+
+If you make changes to this package, you'll need to run `yarn build` in the `mocks` directory for changes to take effect.
 
 ## Contributing
 
diff --git a/packages/shared/mocks/package.json b/packages/shared/mocks/package.json
index aa8ceb63f..4981ad1a6 100644
--- a/packages/shared/mocks/package.json
+++ b/packages/shared/mocks/package.json
@@ -5,6 +5,12 @@
   "type": "commonjs",
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",
+  "exports": {
+    ".": "./dist/index.js",
+    "./setup": {
+      "default": "./dist/setupMocks.js"
+    }
+  },
   "homepage": "https://github.com/launchdarkly/js-core/tree/main/packages/shared/common",
   "repository": {
     "type": "git",
diff --git a/packages/shared/mocks/src/index.ts b/packages/shared/mocks/src/index.ts
index 215c1ee65..a78d38c41 100644
--- a/packages/shared/mocks/src/index.ts
+++ b/packages/shared/mocks/src/index.ts
@@ -4,7 +4,6 @@ import { hasher } from './crypto';
 import logger from './logger';
 import mockFetch from './mockFetch';
 import { basicPlatform } from './platform';
-import setupMocks from './setupMocks';
 import { MockStreamingProcessor, setupMockStreamingProcessor } from './streamingProcessor';
 
 export {
@@ -16,5 +15,4 @@ export {
   ContextDeduplicator,
   MockStreamingProcessor,
   setupMockStreamingProcessor,
-  setupMocks,
 };
diff --git a/packages/shared/mocks/src/setupMocks.ts b/packages/shared/mocks/src/setupMocks.ts
index 928e38849..fcfc3f4c2 100644
--- a/packages/shared/mocks/src/setupMocks.ts
+++ b/packages/shared/mocks/src/setupMocks.ts
@@ -1,7 +1,5 @@
 import { setupBasicPlatform } from './platform';
 
-export default function setupMocks() {
-  beforeEach(() => {
-    setupBasicPlatform();
-  });
-}
+beforeEach(() => {
+  setupBasicPlatform();
+});
diff --git a/packages/shared/sdk-client/jest-setupFilesAfterEnv.ts b/packages/shared/sdk-client/jest-setupFilesAfterEnv.ts
deleted file mode 100644
index 291ba9eca..000000000
--- a/packages/shared/sdk-client/jest-setupFilesAfterEnv.ts
+++ /dev/null
@@ -1,5 +0,0 @@
-import '@testing-library/jest-dom';
-
-import { setupMocks } from '@launchdarkly/private-js-mocks';
-
-setupMocks();
diff --git a/packages/shared/sdk-client/jest.config.json b/packages/shared/sdk-client/jest.config.json
index 65ddc27dd..c9d0d3b3d 100644
--- a/packages/shared/sdk-client/jest.config.json
+++ b/packages/shared/sdk-client/jest.config.json
@@ -6,5 +6,5 @@
   "testEnvironment": "jsdom",
   "moduleFileExtensions": ["ts", "tsx", "js", "jsx", "json", "node"],
   "collectCoverageFrom": ["src/**/*.ts"],
-  "setupFilesAfterEnv": ["./jest-setupFilesAfterEnv.ts"]
+  "setupFilesAfterEnv": ["@launchdarkly/private-js-mocks/setup"]
 }
diff --git a/packages/shared/sdk-server-edge/jest-setupFilesAfterEnv.ts b/packages/shared/sdk-server-edge/jest-setupFilesAfterEnv.ts
deleted file mode 100644
index 7f23f47df..000000000
--- a/packages/shared/sdk-server-edge/jest-setupFilesAfterEnv.ts
+++ /dev/null
@@ -1,3 +0,0 @@
-import { setupMocks } from '@launchdarkly/private-js-mocks';
-
-setupMocks();
diff --git a/packages/shared/sdk-server-edge/jest.config.json b/packages/shared/sdk-server-edge/jest.config.json
index 205d3c3ab..ccaa70d72 100644
--- a/packages/shared/sdk-server-edge/jest.config.json
+++ b/packages/shared/sdk-server-edge/jest.config.json
@@ -6,5 +6,5 @@
   "testEnvironment": "node",
   "moduleFileExtensions": ["ts", "tsx", "js", "jsx", "json", "node"],
   "collectCoverageFrom": ["src/**/*.ts"],
-  "setupFilesAfterEnv": ["./jest-setupFilesAfterEnv.ts"]
+  "setupFilesAfterEnv": ["@launchdarkly/private-js-mocks/setup"]
 }
diff --git a/packages/shared/sdk-server/jest-setupFilesAfterEnv.ts b/packages/shared/sdk-server/jest-setupFilesAfterEnv.ts
deleted file mode 100644
index 7f23f47df..000000000
--- a/packages/shared/sdk-server/jest-setupFilesAfterEnv.ts
+++ /dev/null
@@ -1,3 +0,0 @@
-import { setupMocks } from '@launchdarkly/private-js-mocks';
-
-setupMocks();
diff --git a/packages/shared/sdk-server/jest.config.js b/packages/shared/sdk-server/jest.config.js
index 68e3f99f9..bcd6a8d01 100644
--- a/packages/shared/sdk-server/jest.config.js
+++ b/packages/shared/sdk-server/jest.config.js
@@ -4,5 +4,5 @@ module.exports = {
   testEnvironment: 'node',
   moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'],
   collectCoverageFrom: ['src/**/*.ts'],
-  setupFilesAfterEnv: ['./jest-setupFilesAfterEnv.ts'],
+  setupFilesAfterEnv: ['@launchdarkly/private-js-mocks/setup'],
 };

From d39b47fd54e0c7cc1b2e009764a9eba6f53a252e Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Mon, 22 Jan 2024 12:15:01 -0800
Subject: [PATCH 24/44] chore: Fixed eslint require complaint.

---
 packages/sdk/react-native/jestSetupFile.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/sdk/react-native/jestSetupFile.ts b/packages/sdk/react-native/jestSetupFile.ts
index 4b0720331..03f14b96f 100644
--- a/packages/sdk/react-native/jestSetupFile.ts
+++ b/packages/sdk/react-native/jestSetupFile.ts
@@ -1,5 +1,5 @@
 jest.mock('@react-native-async-storage/async-storage', () =>
-  require('@react-native-async-storage/async-storage/jest/async-storage-mock'),
+  jest.requireActual('@react-native-async-storage/async-storage/jest/async-storage-mock'),
 );
 
 jest.mock('react-native', () => {

From 89cddc2a9f01496c98445b0d1e144ec138100b9a Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Mon, 22 Jan 2024 12:22:50 -0800
Subject: [PATCH 25/44] chore: Replace deprecated toBeCalledTimes with
 toHaveBeenCalledTimes. Removed redundant exclusion for setupFilesAfterEnv.

---
 .../sdk-server/__tests__/evaluation/Bucketer.test.ts      | 8 ++------
 packages/shared/sdk-server/tsconfig.json                  | 2 +-
 2 files changed, 3 insertions(+), 7 deletions(-)

diff --git a/packages/shared/sdk-server/__tests__/evaluation/Bucketer.test.ts b/packages/shared/sdk-server/__tests__/evaluation/Bucketer.test.ts
index 9e5413f03..8928868f1 100644
--- a/packages/shared/sdk-server/__tests__/evaluation/Bucketer.test.ts
+++ b/packages/shared/sdk-server/__tests__/evaluation/Bucketer.test.ts
@@ -93,10 +93,6 @@ describe('Bucketer.test', () => {
       expect(hasher.update).toHaveBeenCalledWith(expected);
       expect(hasher.digest).toHaveBeenCalledWith('hex');
     });
-
-    afterEach(() => {
-      jest.resetAllMocks();
-    });
   });
 
   describe.each([
@@ -126,8 +122,8 @@ describe('Bucketer.test', () => {
       );
       expect(bucket).toEqual(0);
       expect(hadContext).toEqual(kind === 'org');
-      expect(hasher.update).toBeCalledTimes(0);
-      expect(hasher.digest).toBeCalledTimes(0);
+      expect(hasher.update).toHaveBeenCalledTimes(0);
+      expect(hasher.digest).toHaveBeenCalledTimes(0);
     });
   });
 });
diff --git a/packages/shared/sdk-server/tsconfig.json b/packages/shared/sdk-server/tsconfig.json
index 83caa8a43..1a394bfbf 100644
--- a/packages/shared/sdk-server/tsconfig.json
+++ b/packages/shared/sdk-server/tsconfig.json
@@ -14,5 +14,5 @@
     "declarationMap": true, // enables importers to jump to source
     "stripInternal": true
   },
-  "exclude": ["**/*.test.ts", "dist", "node_modules", "__tests__", "jest-setupFilesAfterEnv.ts"]
+  "exclude": ["**/*.test.ts", "dist", "node_modules", "__tests__"]
 }

From 00090a70a1f15cdfca136d6bfe51e91e4e828513 Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Mon, 22 Jan 2024 12:37:53 -0800
Subject: [PATCH 26/44] chore: minor fixes related to previous mocks api
 changes.

---
 packages/shared/sdk-client/src/LDClientImpl.test.ts |  9 +++++++--
 .../shared/sdk-client/src/utils/ensureKey.test.ts   | 13 ++++++++++---
 2 files changed, 17 insertions(+), 5 deletions(-)

diff --git a/packages/shared/sdk-client/src/LDClientImpl.test.ts b/packages/shared/sdk-client/src/LDClientImpl.test.ts
index 93c66550c..d0fe98c55 100644
--- a/packages/shared/sdk-client/src/LDClientImpl.test.ts
+++ b/packages/shared/sdk-client/src/LDClientImpl.test.ts
@@ -1,5 +1,10 @@
 import { clone, LDContext } from '@launchdarkly/js-sdk-common';
-import { basicPlatform, logger, setupMockStreamingProcessor } from '@launchdarkly/private-js-mocks';
+import {
+  basicPlatform,
+  hasher,
+  logger,
+  setupMockStreamingProcessor,
+} from '@launchdarkly/private-js-mocks';
 
 import * as mockResponseJson from './evaluation/mockResponse.json';
 import LDClientImpl from './LDClientImpl';
@@ -44,7 +49,7 @@ describe('sdk-client object', () => {
     defaultPutResponse = clone<Flags>(mockResponseJson);
     setupMockStreamingProcessor(false, defaultPutResponse);
     basicPlatform.crypto.randomUUID.mockReturnValue('random1');
-    basicPlatform.crypto.hasher.digest.mockReturnValue('digested1');
+    hasher.digest.mockReturnValue('digested1');
 
     ldc = new LDClientImpl(testSdkKey, basicPlatform, { logger, sendEvents: false });
     jest
diff --git a/packages/shared/sdk-client/src/utils/ensureKey.test.ts b/packages/shared/sdk-client/src/utils/ensureKey.test.ts
index 5990061a8..73f5d7881 100644
--- a/packages/shared/sdk-client/src/utils/ensureKey.test.ts
+++ b/packages/shared/sdk-client/src/utils/ensureKey.test.ts
@@ -1,18 +1,25 @@
 import type {
+  Crypto,
   LDContext,
   LDContextCommon,
   LDMultiKindContext,
   LDUser,
+  Storage,
 } from '@launchdarkly/js-sdk-common';
 import { basicPlatform } from '@launchdarkly/private-js-mocks';
 
 import ensureKey from './ensureKey';
 import { addNamespace, getOrGenerateKey } from './getOrGenerateKey';
 
-const { crypto, storage } = basicPlatform;
 describe('ensureKey', () => {
+  let crypto: Crypto;
+  let storage: Storage;
+
   beforeEach(() => {
-    crypto.randomUUID.mockReturnValueOnce('random1').mockReturnValueOnce('random2');
+    crypto = basicPlatform.crypto;
+    storage = basicPlatform.storage;
+
+    (crypto.randomUUID as jest.Mock).mockReturnValueOnce('random1').mockReturnValueOnce('random2');
   });
 
   afterEach(() => {
@@ -34,7 +41,7 @@ describe('ensureKey', () => {
   });
 
   test('getOrGenerateKey existing key', async () => {
-    storage.get.mockImplementation((nsKind: string) =>
+    (storage.get as jest.Mock).mockImplementation((nsKind: string) =>
       nsKind === 'LaunchDarkly_AnonKeys_org' ? 'random1' : undefined,
     );
 

From 419f7932ffdb2ac7c71ee712b9d6e4597d4c6ee5 Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Mon, 22 Jan 2024 13:05:59 -0800
Subject: [PATCH 27/44] chore: Added autoEnvAttributes config option. Fixed
 unit tests.

---
 .../sdk-client/src/LDClientImpl.storage.test.ts     |  6 +++++-
 packages/shared/sdk-client/src/LDClientImpl.ts      |  8 ++++----
 packages/shared/sdk-client/src/api/LDOptions.ts     | 13 ++++++++++++-
 .../sdk-client/src/configuration/Configuration.ts   |  1 +
 .../sdk-client/src/configuration/validators.ts      |  1 +
 .../sdk-client/src/evaluation/fetchFlags.test.ts    |  9 +++++----
 6 files changed, 28 insertions(+), 10 deletions(-)

diff --git a/packages/shared/sdk-client/src/LDClientImpl.storage.test.ts b/packages/shared/sdk-client/src/LDClientImpl.storage.test.ts
index 13b295d3b..ad151dd29 100644
--- a/packages/shared/sdk-client/src/LDClientImpl.storage.test.ts
+++ b/packages/shared/sdk-client/src/LDClientImpl.storage.test.ts
@@ -76,7 +76,11 @@ describe('sdk-client storage', () => {
       .spyOn(LDClientImpl.prototype as any, 'createStreamUriPath')
       .mockReturnValue('/stream/path');
 
-    ldc = new LDClientImpl(testSdkKey, basicPlatform, { logger, sendEvents: false });
+    ldc = new LDClientImpl(testSdkKey, basicPlatform, {
+      autoEnvAttributes: false,
+      logger,
+      sendEvents: false,
+    });
 
     // @ts-ignore
     emitter = ldc.emitter;
diff --git a/packages/shared/sdk-client/src/LDClientImpl.ts b/packages/shared/sdk-client/src/LDClientImpl.ts
index 5f800b6c6..a694579ca 100644
--- a/packages/shared/sdk-client/src/LDClientImpl.ts
+++ b/packages/shared/sdk-client/src/LDClientImpl.ts
@@ -74,9 +74,6 @@ export default class LDClientImpl implements LDClient {
       this.diagnosticsManager,
     );
     this.emitter = new LDEmitter();
-
-    // TODO: add logic to process auto env attributes correctly
-    // this.autoEnv = platform.info.platformData().autoEnv;
   }
 
   allFlags(): LDFlagSet {
@@ -236,7 +233,10 @@ export default class LDClientImpl implements LDClient {
   // TODO: implement secure mode
   async identify(pristineContext: LDContext, _hash?: string): Promise<void> {
     let context = await ensureKey(pristineContext, this.platform);
-    context = await injectAutoEnv(context, this.platform, this.config);
+
+    if (this.config.autoEnvAttributes) {
+      context = await injectAutoEnv(context, this.platform, this.config);
+    }
 
     const checkedContext = Context.fromLDContext(context);
     if (!checkedContext.valid) {
diff --git a/packages/shared/sdk-client/src/api/LDOptions.ts b/packages/shared/sdk-client/src/api/LDOptions.ts
index 06484397c..9d85323e8 100644
--- a/packages/shared/sdk-client/src/api/LDOptions.ts
+++ b/packages/shared/sdk-client/src/api/LDOptions.ts
@@ -24,7 +24,6 @@ export interface LDOptions {
      * Example: `authentication-service`
      */
     id?: string;
-
     /**
      * A unique identifier representing the version of the application where the LaunchDarkly SDK is running.
      *
@@ -36,6 +35,18 @@ export interface LDOptions {
     version?: string;
   };
 
+  /**
+   * Enable / disable Auto environment attributes. When enabled, the SDK will automatically
+   * provide data about the mobile environment where the application is running. This data makes it simpler to target
+   * your mobile customers based on application name or version, or on device characteristics including manufacturer,
+   * model, operating system, locale, and so on. We recommend enabling this when you configure the SDK. To learn more,
+   * read [Automatic environment attributes](https://docs.launchdarkly.com/sdk/features/environment-attributes).
+   * for more documentation.
+   *
+   * The default is true.
+   */
+  autoEnvAttributes?: boolean;
+
   /**
    * The base uri for the LaunchDarkly server.
    *
diff --git a/packages/shared/sdk-client/src/configuration/Configuration.ts b/packages/shared/sdk-client/src/configuration/Configuration.ts
index e4f25940e..e50f37f5a 100644
--- a/packages/shared/sdk-client/src/configuration/Configuration.ts
+++ b/packages/shared/sdk-client/src/configuration/Configuration.ts
@@ -28,6 +28,7 @@ export default class Configuration {
   public readonly flushInterval = 2;
   public readonly streamInitialReconnectDelay = 1;
 
+  public readonly autoEnvAttributes = true;
   public readonly allAttributesPrivate = false;
   public readonly diagnosticOptOut = false;
   public readonly withReasons = false;
diff --git a/packages/shared/sdk-client/src/configuration/validators.ts b/packages/shared/sdk-client/src/configuration/validators.ts
index a48f9c5cf..9688e99c8 100644
--- a/packages/shared/sdk-client/src/configuration/validators.ts
+++ b/packages/shared/sdk-client/src/configuration/validators.ts
@@ -25,6 +25,7 @@ const validators: Record<keyof LDOptions, TypeValidator> = {
   flushInterval: TypeValidators.numberWithMin(2),
   streamInitialReconnectDelay: TypeValidators.numberWithMin(0),
 
+  autoEnvAttributes: TypeValidators.Boolean,
   allAttributesPrivate: TypeValidators.Boolean,
   diagnosticOptOut: TypeValidators.Boolean,
   withReasons: TypeValidators.Boolean,
diff --git a/packages/shared/sdk-client/src/evaluation/fetchFlags.test.ts b/packages/shared/sdk-client/src/evaluation/fetchFlags.test.ts
index 2f6bbc9a9..2b3c3df8b 100644
--- a/packages/shared/sdk-client/src/evaluation/fetchFlags.test.ts
+++ b/packages/shared/sdk-client/src/evaluation/fetchFlags.test.ts
@@ -16,9 +16,10 @@ describe('fetchFeatures', () => {
   };
 
   let config: Configuration;
-  const platformFetch = basicPlatform.requests.fetch as jest.Mock;
+  let platformFetch: jest.Mock;
 
   beforeEach(() => {
+    platformFetch = basicPlatform.requests.fetch as jest.Mock;
     mockFetch(mockResponse);
     config = new Configuration();
   });
@@ -30,7 +31,7 @@ describe('fetchFeatures', () => {
   test('get', async () => {
     const json = await fetchFlags(sdkKey, context, config, basicPlatform);
 
-    expect(platformFetch).toBeCalledWith(
+    expect(platformFetch).toHaveBeenCalledWith(
       'https://sdk.launchdarkly.com/sdk/evalx/testSdkKey1/contexts/eyJraW5kIjoidXNlciIsImtleSI6InRlc3QtdXNlci1rZXktMSJ9',
       {
         method: 'GET',
@@ -45,7 +46,7 @@ describe('fetchFeatures', () => {
     config = new Configuration({ withReasons: true });
     const json = await fetchFlags(sdkKey, context, config, basicPlatform);
 
-    expect(platformFetch).toBeCalledWith(
+    expect(platformFetch).toHaveBeenCalledWith(
       'https://sdk.launchdarkly.com/sdk/evalx/testSdkKey1/contexts/eyJraW5kIjoidXNlciIsImtleSI6InRlc3QtdXNlci1rZXktMSJ9?withReasons=true',
       {
         method: 'GET',
@@ -59,7 +60,7 @@ describe('fetchFeatures', () => {
     config = new Configuration({ hash: 'test-hash', withReasons: false });
     const json = await fetchFlags(sdkKey, context, config, basicPlatform);
 
-    expect(platformFetch).toBeCalledWith(
+    expect(platformFetch).toHaveBeenCalledWith(
       'https://sdk.launchdarkly.com/sdk/evalx/testSdkKey1/contexts/eyJraW5kIjoidXNlciIsImtleSI6InRlc3QtdXNlci1rZXktMSJ9?h=test-hash',
       {
         method: 'GET',

From 3f5b0f2fa7ded39eeffa5bef9fdb075ceb14d26e Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Mon, 22 Jan 2024 15:08:20 -0800
Subject: [PATCH 28/44] chore: Added more tests.

---
 .../src/configuration/Configuration.test.ts   |  1 +
 .../sdk-client/src/utils/ensureKey.test.ts    |  4 +-
 .../src/utils/getOrGenerateKey.test.ts        | 38 ++++++++++++
 .../sdk-client/src/utils/getOrGenerateKey.ts  |  6 +-
 .../src/utils/injectAutoEnv.test.ts           | 61 +++++++++++++++++++
 5 files changed, 105 insertions(+), 5 deletions(-)
 create mode 100644 packages/shared/sdk-client/src/utils/getOrGenerateKey.test.ts
 create mode 100644 packages/shared/sdk-client/src/utils/injectAutoEnv.test.ts

diff --git a/packages/shared/sdk-client/src/configuration/Configuration.test.ts b/packages/shared/sdk-client/src/configuration/Configuration.test.ts
index 6a569b296..3305f6395 100644
--- a/packages/shared/sdk-client/src/configuration/Configuration.test.ts
+++ b/packages/shared/sdk-client/src/configuration/Configuration.test.ts
@@ -12,6 +12,7 @@ describe('Configuration', () => {
 
     expect(config).toMatchObject({
       allAttributesPrivate: false,
+      autoEnvAttributes: true,
       baseUri: 'https://sdk.launchdarkly.com',
       capacity: 100,
       diagnosticOptOut: false,
diff --git a/packages/shared/sdk-client/src/utils/ensureKey.test.ts b/packages/shared/sdk-client/src/utils/ensureKey.test.ts
index 73f5d7881..bee38193f 100644
--- a/packages/shared/sdk-client/src/utils/ensureKey.test.ts
+++ b/packages/shared/sdk-client/src/utils/ensureKey.test.ts
@@ -41,8 +41,8 @@ describe('ensureKey', () => {
   });
 
   test('getOrGenerateKey existing key', async () => {
-    (storage.get as jest.Mock).mockImplementation((nsKind: string) =>
-      nsKind === 'LaunchDarkly_AnonKeys_org' ? 'random1' : undefined,
+    (storage.get as jest.Mock).mockImplementation((namespacedKind: string) =>
+      namespacedKind === 'LaunchDarkly_AnonKeys_org' ? 'random1' : undefined,
     );
 
     const key = await getOrGenerateKey('org', basicPlatform);
diff --git a/packages/shared/sdk-client/src/utils/getOrGenerateKey.test.ts b/packages/shared/sdk-client/src/utils/getOrGenerateKey.test.ts
new file mode 100644
index 000000000..7b6e587a9
--- /dev/null
+++ b/packages/shared/sdk-client/src/utils/getOrGenerateKey.test.ts
@@ -0,0 +1,38 @@
+import { Crypto, Storage } from '@launchdarkly/js-sdk-common';
+import { basicPlatform } from '@launchdarkly/private-js-mocks';
+
+import { getOrGenerateKey } from './getOrGenerateKey';
+
+describe('getOrGenerateKey', () => {
+  let crypto: Crypto;
+  let storage: Storage;
+
+  beforeEach(() => {
+    crypto = basicPlatform.crypto;
+    storage = basicPlatform.storage;
+
+    (crypto.randomUUID as jest.Mock).mockResolvedValue('test-org-key-1');
+  });
+
+  afterEach(() => {
+    jest.resetAllMocks();
+  });
+
+  test('key does not exist in cache so it must be generated', async () => {
+    (storage.get as jest.Mock).mockResolvedValue(undefined);
+    const k = await getOrGenerateKey('org', basicPlatform);
+
+    expect(crypto.randomUUID).toHaveBeenCalled();
+    expect(storage.set).toHaveBeenCalled();
+    expect(k).toEqual('test-org-key-1');
+  });
+
+  test('key exists in cache so not generated', async () => {
+    (storage.get as jest.Mock).mockResolvedValue('test-org-key-2');
+    const k = await getOrGenerateKey('org', basicPlatform);
+
+    expect(crypto.randomUUID).not.toHaveBeenCalled();
+    expect(storage.set).not.toHaveBeenCalled();
+    expect(k).toEqual('test-org-key-2');
+  });
+});
diff --git a/packages/shared/sdk-client/src/utils/getOrGenerateKey.ts b/packages/shared/sdk-client/src/utils/getOrGenerateKey.ts
index ee037197b..e4d3c4211 100644
--- a/packages/shared/sdk-client/src/utils/getOrGenerateKey.ts
+++ b/packages/shared/sdk-client/src/utils/getOrGenerateKey.ts
@@ -3,12 +3,12 @@ import { Platform } from '@launchdarkly/js-sdk-common';
 export const addNamespace = (s: string) => `LaunchDarkly_AnonKeys_${s}`;
 
 export const getOrGenerateKey = async (kind: string, { crypto, storage }: Platform) => {
-  const nsKind = addNamespace(kind);
-  let contextKey = await storage?.get(nsKind);
+  const namespacedKind = addNamespace(kind);
+  let contextKey = await storage?.get(namespacedKind);
 
   if (!contextKey) {
     contextKey = crypto.randomUUID();
-    await storage?.set(nsKind, contextKey);
+    await storage?.set(namespacedKind, contextKey);
   }
 
   return contextKey;
diff --git a/packages/shared/sdk-client/src/utils/injectAutoEnv.test.ts b/packages/shared/sdk-client/src/utils/injectAutoEnv.test.ts
new file mode 100644
index 000000000..a681fbead
--- /dev/null
+++ b/packages/shared/sdk-client/src/utils/injectAutoEnv.test.ts
@@ -0,0 +1,61 @@
+import { Info } from '@launchdarkly/js-sdk-common';
+import { basicPlatform } from '@launchdarkly/private-js-mocks';
+
+import Configuration from '../configuration';
+import { injectApplication, injectDevice, toMulti } from './injectAutoEnv';
+
+describe('injectAutoEnv', () => {
+  let crypto: Crypto;
+  let info: Info;
+
+  beforeEach(() => {
+    crypto = basicPlatform.crypto;
+    info = basicPlatform.info;
+
+    (crypto.randomUUID as jest.Mock).mockResolvedValue('test-org-key-1');
+  });
+
+  afterEach(() => {
+    jest.resetAllMocks();
+  });
+
+  test('toMulti', () => {
+    const singleContext = { kind: 'user', key: 'test-user-key-1', name: 'bob' };
+    const multi = toMulti(singleContext);
+
+    expect(multi).toEqual({ kind: 'multi', user: { key: 'test-user-key-1', name: 'bob' } });
+  });
+
+  test.todo('injectApplication uses user config application id');
+  test.todo('injectApplication uses sdkData name');
+  test.todo('injectApplication uses sdkData wrapperName');
+  test('injectApplication uses auto env ld_application id, name and version', () => {
+    const config = new Configuration();
+    const ldApplication = injectApplication(basicPlatform, config);
+
+    expect(ldApplication).toEqual({
+      envAttributesVersion: '1.0',
+      id: 'com.testapp.ld',
+      key: '1234567890123456',
+      name: 'LDApplication.TestApp',
+      version: '1.1.1',
+    });
+  });
+
+  test.todo('injectDevice uses platformData os name and version');
+  test('injectDevice use auto env os name and version', async () => {
+    const config = new Configuration();
+    const ldDevice = await injectDevice(basicPlatform);
+
+    expect(ldDevice).toEqual({
+      envAttributesVersion: '1.0',
+      key: 'test-org-key-1',
+      manufacturer: 'apple',
+      os: {
+        family: 'apple',
+        name: 'iOS',
+        version: '17.17',
+      },
+    });
+  });
+});

From 000687b0ee3d4bf1e88453ec12af0851f041e21a Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Mon, 22 Jan 2024 17:19:09 -0800
Subject: [PATCH 29/44] chore: Added more auto env tests and fixed related
 bugs. Changed mock info to jest mocks so they can be reset.

---
 packages/shared/mocks/src/platform.ts         |  22 +--
 .../src/utils/injectAutoEnv.test.ts           | 181 +++++++++++++++++-
 .../sdk-client/src/utils/injectAutoEnv.ts     |  15 +-
 3 files changed, 190 insertions(+), 28 deletions(-)

diff --git a/packages/shared/mocks/src/platform.ts b/packages/shared/mocks/src/platform.ts
index 6263d34c5..759bf5f1a 100644
--- a/packages/shared/mocks/src/platform.ts
+++ b/packages/shared/mocks/src/platform.ts
@@ -6,9 +6,9 @@ const encoding: Encoding = {
   btoa: (s: string) => Buffer.from(s).toString('base64'),
 };
 
-const info: Info = {
-  platformData(): PlatformData {
-    return {
+const setupInfo = () => ({
+  platformData: jest.fn(
+    (): PlatformData => ({
       os: {
         name: 'iOS',
         version: '17.17',
@@ -31,18 +31,18 @@ const info: Info = {
         os: { name: 'ios', version: '17', family: 'apple' },
         manufacturer: 'apple',
       },
-    };
-  },
-  sdkData(): SdkData {
-    return {
+    }),
+  ),
+  sdkData: jest.fn(
+    (): SdkData => ({
       name: 'An SDK',
       version: '2.0.2',
       userAgentBase: 'TestUserAgent',
       wrapperName: 'Rapper',
       wrapperVersion: '1.2.3',
-    };
-  },
-};
+    }),
+  ),
+});
 
 const requests: Requests = {
   fetch: jest.fn(),
@@ -60,7 +60,7 @@ export let basicPlatform: Platform;
 export const setupBasicPlatform = () => {
   basicPlatform = {
     encoding,
-    info,
+    info: setupInfo(),
     crypto: setupCrypto(),
     requests,
     storage,
diff --git a/packages/shared/sdk-client/src/utils/injectAutoEnv.test.ts b/packages/shared/sdk-client/src/utils/injectAutoEnv.test.ts
index a681fbead..95b18a4a5 100644
--- a/packages/shared/sdk-client/src/utils/injectAutoEnv.test.ts
+++ b/packages/shared/sdk-client/src/utils/injectAutoEnv.test.ts
@@ -1,8 +1,8 @@
-import { Info } from '@launchdarkly/js-sdk-common';
+import { Info, type LDContext, LDUser } from '@launchdarkly/js-sdk-common';
 import { basicPlatform } from '@launchdarkly/private-js-mocks';
 
 import Configuration from '../configuration';
-import { injectApplication, injectDevice, toMulti } from './injectAutoEnv';
+import { injectApplication, injectAutoEnv, injectDevice, toMulti } from './injectAutoEnv';
 
 describe('injectAutoEnv', () => {
   let crypto: Crypto;
@@ -12,7 +12,7 @@ describe('injectAutoEnv', () => {
     crypto = basicPlatform.crypto;
     info = basicPlatform.info;
 
-    (crypto.randomUUID as jest.Mock).mockResolvedValue('test-org-key-1');
+    (crypto.randomUUID as jest.Mock).mockResolvedValue('test-device-key-1');
   });
 
   afterEach(() => {
@@ -26,10 +26,85 @@ describe('injectAutoEnv', () => {
     expect(multi).toEqual({ kind: 'multi', user: { key: 'test-user-key-1', name: 'bob' } });
   });
 
-  test.todo('injectApplication uses user config application id');
-  test.todo('injectApplication uses sdkData name');
-  test.todo('injectApplication uses sdkData wrapperName');
-  test('injectApplication uses auto env ld_application id, name and version', () => {
+  test('LDUser is unsupported', async () => {
+    const config = new Configuration();
+    // const context = { kind: 'user', key: 'test-user-key-1', name: 'bob' };
+    const user: LDUser = { key: 'legacy-user-key', name: 'bob' };
+    const result = await injectAutoEnv(user, basicPlatform, config);
+
+    expect(result).toEqual(user);
+  });
+
+  test('single kind should be converted to multi', async () => {
+    const config = new Configuration();
+    const context = { kind: 'user', key: 'test-user-key-1', name: 'bob' };
+
+    const result = await injectAutoEnv(context, basicPlatform, config);
+
+    expect(result).toEqual({
+      kind: 'multi',
+      ld_application: {
+        envAttributesVersion: '1.0',
+        id: 'com.testapp.ld',
+        key: '1234567890123456',
+        name: 'LDApplication.TestApp',
+        version: '1.1.1',
+      },
+      ld_device: {
+        envAttributesVersion: '1.0',
+        key: 'test-device-key-1',
+        manufacturer: 'apple',
+        os: { family: 'apple', name: 'iOS', version: '17.17' },
+      },
+      user: { key: 'test-user-key-1', name: 'bob' },
+    });
+  });
+
+  test('multi kind', async () => {
+    const config = new Configuration();
+    const context: LDContext = {
+      kind: 'multi',
+      user: { key: 'test-user-key-1', name: 'bob' },
+      org: { key: 'test-org-key-1', name: 'Best company' },
+    };
+    const result = await injectAutoEnv(context, basicPlatform, config);
+
+    expect(result).toEqual({
+      kind: 'multi',
+      user: { key: 'test-user-key-1', name: 'bob' },
+      org: { key: 'test-org-key-1', name: 'Best company' },
+      ld_application: {
+        envAttributesVersion: '1.0',
+        id: 'com.testapp.ld',
+        key: '1234567890123456',
+        name: 'LDApplication.TestApp',
+        version: '1.1.1',
+      },
+      ld_device: {
+        envAttributesVersion: '1.0',
+        key: 'test-device-key-1',
+        manufacturer: 'apple',
+        os: { family: 'apple', name: 'iOS', version: '17.17' },
+      },
+    });
+  });
+
+  test('injectApplication with config application id, version', () => {
+    const config = new Configuration({
+      application: { id: 'com.from-config.ld', version: '2.2.2' },
+    });
+    const ldApplication = injectApplication(basicPlatform, config);
+
+    expect(ldApplication).toEqual({
+      envAttributesVersion: '1.0',
+      id: 'com.from-config.ld',
+      key: '1234567890123456',
+      name: 'LDApplication.TestApp',
+      version: '2.2.2',
+    });
+  });
+
+  test('injectApplication with auto env application id, name, version', () => {
     const config = new Configuration();
     const ldApplication = injectApplication(basicPlatform, config);
 
@@ -42,14 +117,62 @@ describe('injectAutoEnv', () => {
     });
   });
 
-  test.todo('injectDevice uses platformData os name and version');
-  test('injectDevice use auto env os name and version', async () => {
+  test('injectApplication with sdk data name, version', () => {
+    const platformData = basicPlatform.info.platformData();
+    delete platformData.ld_application;
+    delete platformData.ld_device;
+    basicPlatform.info.platformData = jest.fn().mockReturnValueOnce(platformData);
+    basicPlatform.info.sdkData = jest.fn().mockReturnValueOnce({
+      name: 'Name from sdk data',
+      version: '3.3.3',
+      userAgentBase: 'TestUserAgent',
+      wrapperName: 'Rapper',
+      wrapperVersion: '9.9.9',
+    });
+
+    const config = new Configuration();
+    const ldApplication = injectApplication(basicPlatform, config);
+
+    expect(ldApplication).toEqual({
+      envAttributesVersion: '1.0',
+      id: 'Name from sdk data',
+      key: '1234567890123456',
+      name: 'Name from sdk data',
+      version: '3.3.3',
+    });
+  });
+
+  test('injectApplication with sdkData wrapperName, wrapperVersion', () => {
+    const platformData = basicPlatform.info.platformData();
+    delete platformData.ld_application;
+    delete platformData.ld_device;
+    basicPlatform.info.platformData = jest.fn().mockReturnValueOnce(platformData);
+    basicPlatform.info.sdkData = jest.fn().mockReturnValueOnce({
+      name: '',
+      version: '',
+      userAgentBase: 'TestUserAgent',
+      wrapperName: 'Rapper',
+      wrapperVersion: '9.9.9',
+    });
+
     const config = new Configuration();
+    const ldApplication = injectApplication(basicPlatform, config);
+
+    expect(ldApplication).toEqual({
+      envAttributesVersion: '1.0',
+      id: 'Rapper',
+      key: '1234567890123456',
+      name: 'Rapper',
+      version: '9.9.9',
+    });
+  });
+
+  test('injectDevice with platformData os name, version', async () => {
     const ldDevice = await injectDevice(basicPlatform);
 
     expect(ldDevice).toEqual({
       envAttributesVersion: '1.0',
-      key: 'test-org-key-1',
+      key: 'test-device-key-1',
       manufacturer: 'apple',
       os: {
         family: 'apple',
@@ -58,4 +181,42 @@ describe('injectAutoEnv', () => {
       },
     });
   });
+
+  test('injectDevice with auto env os name, version', async () => {
+    const platformData = basicPlatform.info.platformData();
+    delete platformData.os;
+    basicPlatform.info.platformData = jest.fn().mockReturnValueOnce(platformData);
+
+    const ldDevice = await injectDevice(basicPlatform);
+
+    expect(ldDevice).toEqual({
+      envAttributesVersion: '1.0',
+      key: 'test-device-key-1',
+      manufacturer: 'apple',
+      os: {
+        family: 'apple',
+        name: 'ios',
+        version: '17',
+      },
+    });
+  });
+
+  test('injectDevice with auto env os name, version when platform data are empty strings', async () => {
+    const platformData = basicPlatform.info.platformData();
+    platformData.os = { name: '', version: '' };
+    basicPlatform.info.platformData = jest.fn().mockReturnValueOnce(platformData);
+
+    const ldDevice = await injectDevice(basicPlatform);
+
+    expect(ldDevice).toEqual({
+      envAttributesVersion: '1.0',
+      key: 'test-device-key-1',
+      manufacturer: 'apple',
+      os: {
+        family: 'apple',
+        name: 'ios',
+        version: '17',
+      },
+    });
+  });
 });
diff --git a/packages/shared/sdk-client/src/utils/injectAutoEnv.ts b/packages/shared/sdk-client/src/utils/injectAutoEnv.ts
index 6ce4bdebf..9f952c474 100644
--- a/packages/shared/sdk-client/src/utils/injectAutoEnv.ts
+++ b/packages/shared/sdk-client/src/utils/injectAutoEnv.ts
@@ -15,6 +15,7 @@ import Configuration from '../configuration';
 import { getOrGenerateKey } from './getOrGenerateKey';
 
 const { isLegacyUser, isSingleKind } = internal;
+const defaultAutoEnvSchemaVersion = '1.0';
 
 export const toMulti = (c: LDSingleKindContext) => {
   const { kind, ...contextCommon } = c;
@@ -37,14 +38,17 @@ export const injectApplication = ({ crypto, info }: Platform, config: Configurat
   const { name, version, wrapperName, wrapperVersion } = info.sdkData();
   const { ld_application } = info.platformData();
 
-  const ldApplication = clone<LDApplication>(ld_application);
-  ldApplication.id = config.application?.id || ldApplication.id || name || wrapperName;
+  const ldApplication = clone<LDApplication>(ld_application) ?? {};
+  ldApplication.id = config.application?.id || ldApplication?.id || name || wrapperName;
+  ldApplication.name = ldApplication?.name || name || wrapperName;
   ldApplication.version =
     config.application?.version || ldApplication.version || version || wrapperVersion;
 
   const hasher = crypto.createHash('sha256');
   hasher.update(ldApplication.id!);
   ldApplication.key = hasher.digest('base64');
+  ldApplication.envAttributesVersion =
+    ldApplication.envAttributesVersion || defaultAutoEnvSchemaVersion;
 
   return ldApplication;
 };
@@ -59,10 +63,10 @@ export const injectDevice = async (platform: Platform) => {
   const { ld_device, os } = platform.info.platformData();
   const ldDevice = clone<LDDevice>(ld_device);
 
-  // TODO: check for empty string
   ldDevice.os.name = os?.name || ldDevice.os.name;
   ldDevice.os.version = os?.version || ldDevice.os.version;
   ldDevice.key = await getOrGenerateKey('ld_device', platform);
+  ldDevice.envAttributesVersion = ldDevice.envAttributesVersion || defaultAutoEnvSchemaVersion;
 
   return ldDevice;
 };
@@ -77,10 +81,7 @@ export const injectAutoEnv = async (
     return context as LDUser;
   }
 
-  let multi;
-  if (isSingleKind(context)) {
-    multi = toMulti(context);
-  }
+  const multi = isSingleKind(context) ? toMulti(context) : context;
 
   return {
     ...multi,

From ac337068a71f71c627dc0de83e07274c06c29e7f Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Mon, 22 Jan 2024 17:27:05 -0800
Subject: [PATCH 30/44] chore: replace the word inject with add to avoid
 confusion with DI.

---
 .../shared/sdk-client/src/LDClientImpl.ts     |  4 +-
 ...jectAutoEnv.test.ts => addAutoEnv.test.ts} | 58 +++++++++----------
 .../utils/{injectAutoEnv.ts => addAutoEnv.ts} | 14 ++---
 packages/shared/sdk-client/src/utils/index.ts |  4 +-
 4 files changed, 38 insertions(+), 42 deletions(-)
 rename packages/shared/sdk-client/src/utils/{injectAutoEnv.test.ts => addAutoEnv.test.ts} (70%)
 rename packages/shared/sdk-client/src/utils/{injectAutoEnv.ts => addAutoEnv.ts} (86%)

diff --git a/packages/shared/sdk-client/src/LDClientImpl.ts b/packages/shared/sdk-client/src/LDClientImpl.ts
index a694579ca..3c06ac079 100644
--- a/packages/shared/sdk-client/src/LDClientImpl.ts
+++ b/packages/shared/sdk-client/src/LDClientImpl.ts
@@ -24,7 +24,7 @@ import createDiagnosticsManager from './diagnostics/createDiagnosticsManager';
 import createEventProcessor from './events/createEventProcessor';
 import EventFactory from './events/EventFactory';
 import { DeleteFlag, Flags, PatchFlag } from './types';
-import { calculateFlagChanges, ensureKey, injectAutoEnv } from './utils';
+import { addAutoEnv, calculateFlagChanges, ensureKey } from './utils';
 
 const { createErrorEvaluationDetail, createSuccessEvaluationDetail, ClientMessages, ErrorKinds } =
   internal;
@@ -235,7 +235,7 @@ export default class LDClientImpl implements LDClient {
     let context = await ensureKey(pristineContext, this.platform);
 
     if (this.config.autoEnvAttributes) {
-      context = await injectAutoEnv(context, this.platform, this.config);
+      context = await addAutoEnv(context, this.platform, this.config);
     }
 
     const checkedContext = Context.fromLDContext(context);
diff --git a/packages/shared/sdk-client/src/utils/injectAutoEnv.test.ts b/packages/shared/sdk-client/src/utils/addAutoEnv.test.ts
similarity index 70%
rename from packages/shared/sdk-client/src/utils/injectAutoEnv.test.ts
rename to packages/shared/sdk-client/src/utils/addAutoEnv.test.ts
index 95b18a4a5..23393737e 100644
--- a/packages/shared/sdk-client/src/utils/injectAutoEnv.test.ts
+++ b/packages/shared/sdk-client/src/utils/addAutoEnv.test.ts
@@ -2,9 +2,9 @@ import { Info, type LDContext, LDUser } from '@launchdarkly/js-sdk-common';
 import { basicPlatform } from '@launchdarkly/private-js-mocks';
 
 import Configuration from '../configuration';
-import { injectApplication, injectAutoEnv, injectDevice, toMulti } from './injectAutoEnv';
+import { addApplicationInfo, addAutoEnv, addDeviceInfo, toMulti } from './addAutoEnv';
 
-describe('injectAutoEnv', () => {
+describe('addAutoEnv', () => {
   let crypto: Crypto;
   let info: Info;
 
@@ -30,7 +30,7 @@ describe('injectAutoEnv', () => {
     const config = new Configuration();
     // const context = { kind: 'user', key: 'test-user-key-1', name: 'bob' };
     const user: LDUser = { key: 'legacy-user-key', name: 'bob' };
-    const result = await injectAutoEnv(user, basicPlatform, config);
+    const result = await addAutoEnv(user, basicPlatform, config);
 
     expect(result).toEqual(user);
   });
@@ -39,7 +39,7 @@ describe('injectAutoEnv', () => {
     const config = new Configuration();
     const context = { kind: 'user', key: 'test-user-key-1', name: 'bob' };
 
-    const result = await injectAutoEnv(context, basicPlatform, config);
+    const result = await addAutoEnv(context, basicPlatform, config);
 
     expect(result).toEqual({
       kind: 'multi',
@@ -67,7 +67,7 @@ describe('injectAutoEnv', () => {
       user: { key: 'test-user-key-1', name: 'bob' },
       org: { key: 'test-org-key-1', name: 'Best company' },
     };
-    const result = await injectAutoEnv(context, basicPlatform, config);
+    const result = await addAutoEnv(context, basicPlatform, config);
 
     expect(result).toEqual({
       kind: 'multi',
@@ -89,11 +89,11 @@ describe('injectAutoEnv', () => {
     });
   });
 
-  test('injectApplication with config application id, version', () => {
+  test('addApplicationInfo with config application id, version', () => {
     const config = new Configuration({
       application: { id: 'com.from-config.ld', version: '2.2.2' },
     });
-    const ldApplication = injectApplication(basicPlatform, config);
+    const ldApplication = addApplicationInfo(basicPlatform, config);
 
     expect(ldApplication).toEqual({
       envAttributesVersion: '1.0',
@@ -104,9 +104,9 @@ describe('injectAutoEnv', () => {
     });
   });
 
-  test('injectApplication with auto env application id, name, version', () => {
+  test('addApplicationInfo with auto env application id, name, version', () => {
     const config = new Configuration();
-    const ldApplication = injectApplication(basicPlatform, config);
+    const ldApplication = addApplicationInfo(basicPlatform, config);
 
     expect(ldApplication).toEqual({
       envAttributesVersion: '1.0',
@@ -117,12 +117,12 @@ describe('injectAutoEnv', () => {
     });
   });
 
-  test('injectApplication with sdk data name, version', () => {
-    const platformData = basicPlatform.info.platformData();
+  test('addApplicationInfo with sdk data name, version', () => {
+    const platformData = info.platformData();
     delete platformData.ld_application;
     delete platformData.ld_device;
-    basicPlatform.info.platformData = jest.fn().mockReturnValueOnce(platformData);
-    basicPlatform.info.sdkData = jest.fn().mockReturnValueOnce({
+    info.platformData = jest.fn().mockReturnValueOnce(platformData);
+    info.sdkData = jest.fn().mockReturnValueOnce({
       name: 'Name from sdk data',
       version: '3.3.3',
       userAgentBase: 'TestUserAgent',
@@ -131,7 +131,7 @@ describe('injectAutoEnv', () => {
     });
 
     const config = new Configuration();
-    const ldApplication = injectApplication(basicPlatform, config);
+    const ldApplication = addApplicationInfo(basicPlatform, config);
 
     expect(ldApplication).toEqual({
       envAttributesVersion: '1.0',
@@ -142,12 +142,12 @@ describe('injectAutoEnv', () => {
     });
   });
 
-  test('injectApplication with sdkData wrapperName, wrapperVersion', () => {
-    const platformData = basicPlatform.info.platformData();
+  test('addApplicationInfo with sdkData wrapperName, wrapperVersion', () => {
+    const platformData = info.platformData();
     delete platformData.ld_application;
     delete platformData.ld_device;
-    basicPlatform.info.platformData = jest.fn().mockReturnValueOnce(platformData);
-    basicPlatform.info.sdkData = jest.fn().mockReturnValueOnce({
+    info.platformData = jest.fn().mockReturnValueOnce(platformData);
+    info.sdkData = jest.fn().mockReturnValueOnce({
       name: '',
       version: '',
       userAgentBase: 'TestUserAgent',
@@ -156,7 +156,7 @@ describe('injectAutoEnv', () => {
     });
 
     const config = new Configuration();
-    const ldApplication = injectApplication(basicPlatform, config);
+    const ldApplication = addApplicationInfo(basicPlatform, config);
 
     expect(ldApplication).toEqual({
       envAttributesVersion: '1.0',
@@ -167,8 +167,8 @@ describe('injectAutoEnv', () => {
     });
   });
 
-  test('injectDevice with platformData os name, version', async () => {
-    const ldDevice = await injectDevice(basicPlatform);
+  test('addDeviceInfo with platformData os name, version', async () => {
+    const ldDevice = await addDeviceInfo(basicPlatform);
 
     expect(ldDevice).toEqual({
       envAttributesVersion: '1.0',
@@ -182,12 +182,12 @@ describe('injectAutoEnv', () => {
     });
   });
 
-  test('injectDevice with auto env os name, version', async () => {
-    const platformData = basicPlatform.info.platformData();
+  test('addDeviceInfo with auto env os name, version', async () => {
+    const platformData = info.platformData();
     delete platformData.os;
-    basicPlatform.info.platformData = jest.fn().mockReturnValueOnce(platformData);
+    info.platformData = jest.fn().mockReturnValueOnce(platformData);
 
-    const ldDevice = await injectDevice(basicPlatform);
+    const ldDevice = await addDeviceInfo(basicPlatform);
 
     expect(ldDevice).toEqual({
       envAttributesVersion: '1.0',
@@ -201,12 +201,12 @@ describe('injectAutoEnv', () => {
     });
   });
 
-  test('injectDevice with auto env os name, version when platform data are empty strings', async () => {
-    const platformData = basicPlatform.info.platformData();
+  test('addDeviceInfo with auto env os name, version when platform data are empty strings', async () => {
+    const platformData = info.platformData();
     platformData.os = { name: '', version: '' };
-    basicPlatform.info.platformData = jest.fn().mockReturnValueOnce(platformData);
+    info.platformData = jest.fn().mockReturnValueOnce(platformData);
 
-    const ldDevice = await injectDevice(basicPlatform);
+    const ldDevice = await addDeviceInfo(basicPlatform);
 
     expect(ldDevice).toEqual({
       envAttributesVersion: '1.0',
diff --git a/packages/shared/sdk-client/src/utils/injectAutoEnv.ts b/packages/shared/sdk-client/src/utils/addAutoEnv.ts
similarity index 86%
rename from packages/shared/sdk-client/src/utils/injectAutoEnv.ts
rename to packages/shared/sdk-client/src/utils/addAutoEnv.ts
index 9f952c474..65d1e128b 100644
--- a/packages/shared/sdk-client/src/utils/injectAutoEnv.ts
+++ b/packages/shared/sdk-client/src/utils/addAutoEnv.ts
@@ -34,7 +34,7 @@ export const toMulti = (c: LDSingleKindContext) => {
  * @param config
  * @return An LDApplication object with populated key, id and version.
  */
-export const injectApplication = ({ crypto, info }: Platform, config: Configuration) => {
+export const addApplicationInfo = ({ crypto, info }: Platform, config: Configuration) => {
   const { name, version, wrapperName, wrapperVersion } = info.sdkData();
   const { ld_application } = info.platformData();
 
@@ -59,7 +59,7 @@ export const injectApplication = ({ crypto, info }: Platform, config: Configurat
  * @param platform
  * @return An LDDevice object with populated key.
  */
-export const injectDevice = async (platform: Platform) => {
+export const addDeviceInfo = async (platform: Platform) => {
   const { ld_device, os } = platform.info.platformData();
   const ldDevice = clone<LDDevice>(ld_device);
 
@@ -71,11 +71,7 @@ export const injectDevice = async (platform: Platform) => {
   return ldDevice;
 };
 
-export const injectAutoEnv = async (
-  context: LDContext,
-  platform: Platform,
-  config: Configuration,
-) => {
+export const addAutoEnv = async (context: LDContext, platform: Platform, config: Configuration) => {
   // LDUser is not supported for auto env reporting
   if (isLegacyUser(context)) {
     return context as LDUser;
@@ -85,7 +81,7 @@ export const injectAutoEnv = async (
 
   return {
     ...multi,
-    ld_application: injectApplication(platform, config),
-    ld_device: await injectDevice(platform),
+    ld_application: addApplicationInfo(platform, config),
+    ld_device: await addDeviceInfo(platform),
   } as LDMultiKindContext;
 };
diff --git a/packages/shared/sdk-client/src/utils/index.ts b/packages/shared/sdk-client/src/utils/index.ts
index 9f0614ad0..c16f6e1b1 100644
--- a/packages/shared/sdk-client/src/utils/index.ts
+++ b/packages/shared/sdk-client/src/utils/index.ts
@@ -1,5 +1,5 @@
+import { addAutoEnv } from './addAutoEnv';
 import calculateFlagChanges from './calculateFlagChanges';
 import ensureKey from './ensureKey';
-import { injectAutoEnv } from './injectAutoEnv';
 
-export { calculateFlagChanges, ensureKey, injectAutoEnv };
+export { calculateFlagChanges, ensureKey, addAutoEnv };

From b9bd289a91b9503a8dc9e3a1b81d45ff74cc268d Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Mon, 22 Jan 2024 17:36:48 -0800
Subject: [PATCH 31/44] chore: More auto env tests.

---
 .../src/LDClientImpl.storage.test.ts          | 47 +++++++++++++++++++
 .../sdk-client/src/LDClientImpl.test.ts       | 19 ++++++++
 2 files changed, 66 insertions(+)

diff --git a/packages/shared/sdk-client/src/LDClientImpl.storage.test.ts b/packages/shared/sdk-client/src/LDClientImpl.storage.test.ts
index ad151dd29..563db1cad 100644
--- a/packages/shared/sdk-client/src/LDClientImpl.storage.test.ts
+++ b/packages/shared/sdk-client/src/LDClientImpl.storage.test.ts
@@ -5,6 +5,7 @@ import LDEmitter from './api/LDEmitter';
 import * as mockResponseJson from './evaluation/mockResponse.json';
 import LDClientImpl from './LDClientImpl';
 import { DeleteFlag, Flag, Flags, PatchFlag } from './types';
+import { toMulti } from './utils/addAutoEnv';
 
 jest.mock('@launchdarkly/js-sdk-common', () => {
   const actual = jest.requireActual('@launchdarkly/js-sdk-common');
@@ -119,6 +120,52 @@ describe('sdk-client storage', () => {
     });
   });
 
+  test('initialize from storage succeeds with auto env', async () => {
+    ldc = new LDClientImpl(testSdkKey, basicPlatform, {
+      logger,
+      sendEvents: false,
+    });
+    // @ts-ignore
+    emitter = ldc.emitter;
+    jest.spyOn(emitter as LDEmitter, 'emit');
+
+    const allFlags = await identifyGetAllFlags(true, defaultPutResponse);
+
+    expect(basicPlatform.storage.get).toHaveBeenLastCalledWith(
+      expect.stringMatching(/org:Testy Pizza$/),
+    );
+
+    // 'change' should not have been emitted
+    expect(emitter.emit).toHaveBeenCalledTimes(3);
+    expect(emitter.emit).toHaveBeenNthCalledWith(
+      1,
+      'identifying',
+      expect.objectContaining(toMulti(context)),
+    );
+    expect(emitter.emit).toHaveBeenNthCalledWith(
+      2,
+      'change',
+      expect.objectContaining(toMulti(context)),
+      defaultFlagKeys,
+    );
+    expect(emitter.emit).toHaveBeenNthCalledWith(
+      3,
+      'error',
+      expect.objectContaining(toMulti(context)),
+      expect.objectContaining({ message: 'test-error' }),
+    );
+    expect(allFlags).toEqual({
+      'dev-test-flag': true,
+      'easter-i-tunes-special': false,
+      'easter-specials': 'no specials',
+      fdsafdsafdsafdsa: true,
+      'log-level': 'warn',
+      'moonshot-demo': true,
+      test1: 's1',
+      'this-is-a-test': true,
+    });
+  });
+
   test('no storage, cold start from streamer', async () => {
     // fake previously cached flags even though there's no storage for this context
     // @ts-ignore
diff --git a/packages/shared/sdk-client/src/LDClientImpl.test.ts b/packages/shared/sdk-client/src/LDClientImpl.test.ts
index d0fe98c55..4097497ef 100644
--- a/packages/shared/sdk-client/src/LDClientImpl.test.ts
+++ b/packages/shared/sdk-client/src/LDClientImpl.test.ts
@@ -159,6 +159,25 @@ describe('sdk-client object', () => {
     });
   });
 
+  test('identify success without auto env', async () => {
+    defaultPutResponse['dev-test-flag'].value = false;
+    const carContext: LDContext = { kind: 'car', key: 'mazda-cx7' };
+    ldc = new LDClientImpl(testSdkKey, basicPlatform, {
+      autoEnvAttributes: false,
+      logger,
+      sendEvents: false,
+    });
+
+    await ldc.identify(carContext);
+    const c = ldc.getContext();
+    const all = ldc.allFlags();
+
+    expect(c).toEqual(carContext);
+    expect(all).toMatchObject({
+      'dev-test-flag': false,
+    });
+  });
+
   test('identify anonymous', async () => {
     defaultPutResponse['dev-test-flag'].value = false;
     const carContext: LDContext = { kind: 'car', anonymous: true, key: '' };

From 1a7163718754730b782408636e382d2131c6b2a1 Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Tue, 23 Jan 2024 13:47:31 -0800
Subject: [PATCH 32/44] chore: improve platform.crypto error messages.

---
 packages/sdk/react-native/src/platform/index.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/sdk/react-native/src/platform/index.ts b/packages/sdk/react-native/src/platform/index.ts
index 2320da907..47aa888ce 100644
--- a/packages/sdk/react-native/src/platform/index.ts
+++ b/packages/sdk/react-native/src/platform/index.ts
@@ -71,11 +71,11 @@ class PlatformInfo implements Info {
 
 class PlatformCrypto implements Crypto {
   createHash(_algorithm: string): Hasher {
-    throw new Error('not implemented');
+    throw new Error('createHash not implemented');
   }
 
   createHmac(_algorithm: string, _key: string): Hmac {
-    throw new Error('not implemented');
+    throw new Error('createHmac not implemented');
   }
 
   randomUUID(): string {

From 5a78540494701f4ebe30e873b2c3cc0bef8540b8 Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Wed, 24 Jan 2024 10:29:00 -0800
Subject: [PATCH 33/44] chore: Added third party sha library. Implemented rn
 crypto. Created new dir for external libs.

---
 .eslintrc.js                                  |   2 +-
 .../src/fromExternal/js-sha256/LICENSE        |  22 +
 .../src/fromExternal/js-sha256/index.d.ts     | 149 ++++
 .../src/fromExternal/js-sha256/index.js       | 667 ++++++++++++++++++
 .../react-native-sse/EventSource.ts           |   0
 .../react-native-sse/LICENSE                  |   0
 .../react-native-sse/index.ts                 |   0
 .../react-native-sse/types.ts                 |   0
 .../src/platform/crypto/PlatformHasher.ts     |  33 +
 .../react-native/src/platform/crypto/index.ts |  40 ++
 .../react-native/src/platform/crypto/types.ts |   2 +
 .../sdk/react-native/src/platform/index.ts    |  22 +-
 .../sdk/react-native/src/polyfills/btoa.ts    |   6 +-
 .../sdk/react-native/src/polyfills/index.ts   |   6 +-
 .../sdk/react-native/src/polyfills/uuid.ts    |  16 -
 15 files changed, 925 insertions(+), 40 deletions(-)
 create mode 100644 packages/sdk/react-native/src/fromExternal/js-sha256/LICENSE
 create mode 100644 packages/sdk/react-native/src/fromExternal/js-sha256/index.d.ts
 create mode 100644 packages/sdk/react-native/src/fromExternal/js-sha256/index.js
 rename packages/sdk/react-native/src/{ => fromExternal}/react-native-sse/EventSource.ts (100%)
 rename packages/sdk/react-native/src/{ => fromExternal}/react-native-sse/LICENSE (100%)
 rename packages/sdk/react-native/src/{ => fromExternal}/react-native-sse/index.ts (100%)
 rename packages/sdk/react-native/src/{ => fromExternal}/react-native-sse/types.ts (100%)
 create mode 100644 packages/sdk/react-native/src/platform/crypto/PlatformHasher.ts
 create mode 100644 packages/sdk/react-native/src/platform/crypto/index.ts
 create mode 100644 packages/sdk/react-native/src/platform/crypto/types.ts
 delete mode 100644 packages/sdk/react-native/src/polyfills/uuid.ts

diff --git a/.eslintrc.js b/.eslintrc.js
index 4a0af77b6..dbc1e1a4d 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -8,7 +8,7 @@ module.exports = {
     project: './tsconfig.eslint.json',
   },
   plugins: ['@typescript-eslint', 'prettier'],
-  ignorePatterns: ['**/dist/**', '**/vercel/examples/**'],
+  ignorePatterns: ['**/dist/**', '**/vercel/examples/**', '**/fromExternal/**'],
   rules: {
     '@typescript-eslint/lines-between-class-members': 'off',
     '@typescript-eslint/no-unused-vars': [
diff --git a/packages/sdk/react-native/src/fromExternal/js-sha256/LICENSE b/packages/sdk/react-native/src/fromExternal/js-sha256/LICENSE
new file mode 100644
index 000000000..d06f6d49a
--- /dev/null
+++ b/packages/sdk/react-native/src/fromExternal/js-sha256/LICENSE
@@ -0,0 +1,22 @@
+Copyright (c) 2014-2023 Chen, Yi-Cyuan
+
+MIT License
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/packages/sdk/react-native/src/fromExternal/js-sha256/index.d.ts b/packages/sdk/react-native/src/fromExternal/js-sha256/index.d.ts
new file mode 100644
index 000000000..1ac455ecb
--- /dev/null
+++ b/packages/sdk/react-native/src/fromExternal/js-sha256/index.d.ts
@@ -0,0 +1,149 @@
+type Message = string | number[] | ArrayBuffer | Uint8Array;
+
+interface Hasher {
+  /**
+   * Update hash
+   *
+   * @param message The message you want to hash.
+   */
+  update(message: Message): Hasher;
+
+  /**
+   * Return hash in hex string.
+   */
+  hex(): string;
+
+  /**
+   * Return hash in hex string.
+   */
+  toString(): string;
+
+  /**
+   * Return hash in ArrayBuffer.
+   */
+  arrayBuffer(): ArrayBuffer;
+
+  /**
+   * Return hash in integer array.
+   */
+  digest(): number[];
+
+  /**
+   * Return hash in integer array.
+   */
+  array(): number[];
+}
+
+interface Hmac {
+  /**
+   * Computes a Hash-based message authentication code (HMAC) using a secret key
+   *
+   * @param secretKey The Secret Key
+   * @param message The message you want to hash.
+   */
+  (secretKey: Message, message: Message): string;
+
+  /**
+   * Create a hash object using a secret key.
+   *
+   * @param secretKey The Secret Key
+   */
+  create(secretKey: Message): Hasher;
+
+  /**
+   * Create a hash object and hash message using a secret key
+   *
+   * @param secretKey The Secret Key
+   * @param message The message you want to hash.
+   */
+  update(secretKey: Message, message: Message): Hasher;
+
+  /**
+   * Return hash in hex string.
+   *
+   * @param secretKey The Secret Key
+   * @param message The message you want to hash.
+   */
+  hex(secretKey: Message, message: Message): string;
+
+  /**
+   * Return hash in ArrayBuffer.
+   *
+   * @param secretKey The Secret Key
+   * @param message The message you want to hash.
+   */
+  arrayBuffer(secretKey: Message, message: Message): ArrayBuffer;
+
+  /**
+   * Return hash in integer array.
+   *
+   * @param secretKey The Secret Key
+   * @param message The message you want to hash.
+   */
+  digest(secretKey: Message, message: Message): number[];
+
+  /**
+   * Return hash in integer array.
+   *
+   * @param secretKey The Secret Key
+   * @param message The message you want to hash.
+   */
+  array(secretKey: Message, message: Message): number[];
+}
+
+interface Hash {
+  /**
+   * Hash and return hex string.
+   *
+   * @param message The message you want to hash.
+   */
+  (message: Message): string;
+
+  /**
+   * Create a hash object.
+   */
+  create(): Hasher;
+
+  /**
+   * Create a hash object and hash message.
+   *
+   * @param message The message you want to hash.
+   */
+  update(message: Message): Hasher;
+
+  /**
+   * Return hash in hex string.
+   *
+   * @param message The message you want to hash.
+   */
+  hex(message: Message): string;
+
+  /**
+   * Return hash in ArrayBuffer.
+   *
+   * @param message The message you want to hash.
+   */
+  arrayBuffer(message: Message): ArrayBuffer;
+
+  /**
+   * Return hash in integer array.
+   *
+   * @param message The message you want to hash.
+   */
+  digest(message: Message): number[];
+
+  /**
+   * Return hash in integer array.
+   *
+   * @param message The message you want to hash.
+   */
+  array(message: Message): number[];
+
+  /**
+   * HMAC interface
+   */
+  hmac: Hmac;
+}
+
+export var sha256: Hash;
+export var sha224: Hash;
diff --git a/packages/sdk/react-native/src/fromExternal/js-sha256/index.js b/packages/sdk/react-native/src/fromExternal/js-sha256/index.js
new file mode 100644
index 000000000..5fdaa08ed
--- /dev/null
+++ b/packages/sdk/react-native/src/fromExternal/js-sha256/index.js
@@ -0,0 +1,667 @@
+/**
+ * [js-sha256]{@link https://github.com/emn178/js-sha256}
+ *
+ * @version 0.10.1
+ * @author Chen, Yi-Cyuan [emn178@gmail.com]
+ * @copyright Chen, Yi-Cyuan 2014-2023
+ * @license MIT
+ */
+/*jslint bitwise: true */
+(function () {
+  'use strict';
+
+  var ERROR = 'input is invalid type';
+  var WINDOW = typeof window === 'object';
+  var root = WINDOW ? window : {};
+  if (root.JS_SHA256_NO_WINDOW) {
+    WINDOW = false;
+  }
+  var WEB_WORKER = !WINDOW && typeof self === 'object';
+  var NODE_JS =
+    !root.JS_SHA256_NO_NODE_JS &&
+    typeof process === 'object' &&
+    process.versions &&
+    process.versions.node;
+  if (NODE_JS) {
+    root = global;
+  } else if (WEB_WORKER) {
+    root = self;
+  }
+  var COMMON_JS = !root.JS_SHA256_NO_COMMON_JS && typeof module === 'object' && module.exports;
+  var AMD = typeof define === 'function' && define.amd;
+  var ARRAY_BUFFER = !root.JS_SHA256_NO_ARRAY_BUFFER && typeof ArrayBuffer !== 'undefined';
+  var HEX_CHARS = '0123456789abcdef'.split('');
+  var EXTRA = [-2147483648, 8388608, 32768, 128];
+  var SHIFT = [24, 16, 8, 0];
+  var K = [
+    0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
+    0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
+    0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
+    0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
+    0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
+    0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
+    0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
+    0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2,
+  ];
+  var OUTPUT_TYPES = ['hex', 'array', 'digest', 'arrayBuffer'];
+
+  var blocks = [];
+
+  if (root.JS_SHA256_NO_NODE_JS || !Array.isArray) {
+    Array.isArray = function (obj) {
+      return Object.prototype.toString.call(obj) === '[object Array]';
+    };
+  }
+
+  if (ARRAY_BUFFER && (root.JS_SHA256_NO_ARRAY_BUFFER_IS_VIEW || !ArrayBuffer.isView)) {
+    ArrayBuffer.isView = function (obj) {
+      return typeof obj === 'object' && obj.buffer && obj.buffer.constructor === ArrayBuffer;
+    };
+  }
+
+  var createOutputMethod = function (outputType, is224) {
+    return function (message) {
+      return new Sha256(is224, true).update(message)[outputType]();
+    };
+  };
+
+  var createMethod = function (is224) {
+    var method = createOutputMethod('hex', is224);
+    if (NODE_JS) {
+      method = nodeWrap(method, is224);
+    }
+    method.create = function () {
+      return new Sha256(is224);
+    };
+    method.update = function (message) {
+      return method.create().update(message);
+    };
+    for (var i = 0; i < OUTPUT_TYPES.length; ++i) {
+      var type = OUTPUT_TYPES[i];
+      method[type] = createOutputMethod(type, is224);
+    }
+    return method;
+  };
+
+  var nodeWrap = function (method, is224) {
+    var crypto = require('crypto');
+    var Buffer = require('buffer').Buffer;
+    var algorithm = is224 ? 'sha224' : 'sha256';
+    var bufferFrom;
+    if (Buffer.from && !root.JS_SHA256_NO_BUFFER_FROM) {
+      bufferFrom = Buffer.from;
+    } else {
+      bufferFrom = function (message) {
+        return new Buffer(message);
+      };
+    }
+    var nodeMethod = function (message) {
+      if (typeof message === 'string') {
+        return crypto.createHash(algorithm).update(message, 'utf8').digest('hex');
+      } else {
+        if (message === null || message === undefined) {
+          throw new Error(ERROR);
+        } else if (message.constructor === ArrayBuffer) {
+          message = new Uint8Array(message);
+        }
+      }
+      if (Array.isArray(message) || ArrayBuffer.isView(message) || message.constructor === Buffer) {
+        return crypto.createHash(algorithm).update(bufferFrom(message)).digest('hex');
+      } else {
+        return method(message);
+      }
+    };
+    return nodeMethod;
+  };
+
+  var createHmacOutputMethod = function (outputType, is224) {
+    return function (key, message) {
+      return new HmacSha256(key, is224, true).update(message)[outputType]();
+    };
+  };
+
+  var createHmacMethod = function (is224) {
+    var method = createHmacOutputMethod('hex', is224);
+    method.create = function (key) {
+      return new HmacSha256(key, is224);
+    };
+    method.update = function (key, message) {
+      return method.create(key).update(message);
+    };
+    for (var i = 0; i < OUTPUT_TYPES.length; ++i) {
+      var type = OUTPUT_TYPES[i];
+      method[type] = createHmacOutputMethod(type, is224);
+    }
+    return method;
+  };
+
+  function Sha256(is224, sharedMemory) {
+    if (sharedMemory) {
+      blocks[0] =
+        blocks[16] =
+        blocks[1] =
+        blocks[2] =
+        blocks[3] =
+        blocks[4] =
+        blocks[5] =
+        blocks[6] =
+        blocks[7] =
+        blocks[8] =
+        blocks[9] =
+        blocks[10] =
+        blocks[11] =
+        blocks[12] =
+        blocks[13] =
+        blocks[14] =
+        blocks[15] =
+          0;
+      this.blocks = blocks;
+    } else {
+      this.blocks = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
+    }
+
+    if (is224) {
+      this.h0 = 0xc1059ed8;
+      this.h1 = 0x367cd507;
+      this.h2 = 0x3070dd17;
+      this.h3 = 0xf70e5939;
+      this.h4 = 0xffc00b31;
+      this.h5 = 0x68581511;
+      this.h6 = 0x64f98fa7;
+      this.h7 = 0xbefa4fa4;
+    } else {
+      // 256
+      this.h0 = 0x6a09e667;
+      this.h1 = 0xbb67ae85;
+      this.h2 = 0x3c6ef372;
+      this.h3 = 0xa54ff53a;
+      this.h4 = 0x510e527f;
+      this.h5 = 0x9b05688c;
+      this.h6 = 0x1f83d9ab;
+      this.h7 = 0x5be0cd19;
+    }
+
+    this.block = this.start = this.bytes = this.hBytes = 0;
+    this.finalized = this.hashed = false;
+    this.first = true;
+    this.is224 = is224;
+  }
+
+  Sha256.prototype.update = function (message) {
+    if (this.finalized) {
+      return;
+    }
+    var notString,
+      type = typeof message;
+    if (type !== 'string') {
+      if (type === 'object') {
+        if (message === null) {
+          throw new Error(ERROR);
+        } else if (ARRAY_BUFFER && message.constructor === ArrayBuffer) {
+          message = new Uint8Array(message);
+        } else if (!Array.isArray(message)) {
+          if (!ARRAY_BUFFER || !ArrayBuffer.isView(message)) {
+            throw new Error(ERROR);
+          }
+        }
+      } else {
+        throw new Error(ERROR);
+      }
+      notString = true;
+    }
+    var code,
+      index = 0,
+      i,
+      length = message.length,
+      blocks = this.blocks;
+
+    while (index < length) {
+      if (this.hashed) {
+        this.hashed = false;
+        blocks[0] = this.block;
+        blocks[16] =
+          blocks[1] =
+          blocks[2] =
+          blocks[3] =
+          blocks[4] =
+          blocks[5] =
+          blocks[6] =
+          blocks[7] =
+          blocks[8] =
+          blocks[9] =
+          blocks[10] =
+          blocks[11] =
+          blocks[12] =
+          blocks[13] =
+          blocks[14] =
+          blocks[15] =
+            0;
+      }
+
+      if (notString) {
+        for (i = this.start; index < length && i < 64; ++index) {
+          blocks[i >> 2] |= message[index] << SHIFT[i++ & 3];
+        }
+      } else {
+        for (i = this.start; index < length && i < 64; ++index) {
+          code = message.charCodeAt(index);
+          if (code < 0x80) {
+            blocks[i >> 2] |= code << SHIFT[i++ & 3];
+          } else if (code < 0x800) {
+            blocks[i >> 2] |= (0xc0 | (code >> 6)) << SHIFT[i++ & 3];
+            blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
+          } else if (code < 0xd800 || code >= 0xe000) {
+            blocks[i >> 2] |= (0xe0 | (code >> 12)) << SHIFT[i++ & 3];
+            blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3];
+            blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
+          } else {
+            code = 0x10000 + (((code & 0x3ff) << 10) | (message.charCodeAt(++index) & 0x3ff));
+            blocks[i >> 2] |= (0xf0 | (code >> 18)) << SHIFT[i++ & 3];
+            blocks[i >> 2] |= (0x80 | ((code >> 12) & 0x3f)) << SHIFT[i++ & 3];
+            blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3];
+            blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
+          }
+        }
+      }
+
+      this.lastByteIndex = i;
+      this.bytes += i - this.start;
+      if (i >= 64) {
+        this.block = blocks[16];
+        this.start = i - 64;
+        this.hash();
+        this.hashed = true;
+      } else {
+        this.start = i;
+      }
+    }
+    if (this.bytes > 4294967295) {
+      this.hBytes += (this.bytes / 4294967296) << 0;
+      this.bytes = this.bytes % 4294967296;
+    }
+    return this;
+  };
+
+  Sha256.prototype.finalize = function () {
+    if (this.finalized) {
+      return;
+    }
+    this.finalized = true;
+    var blocks = this.blocks,
+      i = this.lastByteIndex;
+    blocks[16] = this.block;
+    blocks[i >> 2] |= EXTRA[i & 3];
+    this.block = blocks[16];
+    if (i >= 56) {
+      if (!this.hashed) {
+        this.hash();
+      }
+      blocks[0] = this.block;
+      blocks[16] =
+        blocks[1] =
+        blocks[2] =
+        blocks[3] =
+        blocks[4] =
+        blocks[5] =
+        blocks[6] =
+        blocks[7] =
+        blocks[8] =
+        blocks[9] =
+        blocks[10] =
+        blocks[11] =
+        blocks[12] =
+        blocks[13] =
+        blocks[14] =
+        blocks[15] =
+          0;
+    }
+    blocks[14] = (this.hBytes << 3) | (this.bytes >>> 29);
+    blocks[15] = this.bytes << 3;
+    this.hash();
+  };
+
+  Sha256.prototype.hash = function () {
+    var a = this.h0,
+      b = this.h1,
+      c = this.h2,
+      d = this.h3,
+      e = this.h4,
+      f = this.h5,
+      g = this.h6,
+      h = this.h7,
+      blocks = this.blocks,
+      j,
+      s0,
+      s1,
+      maj,
+      t1,
+      t2,
+      ch,
+      ab,
+      da,
+      cd,
+      bc;
+
+    for (j = 16; j < 64; ++j) {
+      // rightrotate
+      t1 = blocks[j - 15];
+      s0 = ((t1 >>> 7) | (t1 << 25)) ^ ((t1 >>> 18) | (t1 << 14)) ^ (t1 >>> 3);
+      t1 = blocks[j - 2];
+      s1 = ((t1 >>> 17) | (t1 << 15)) ^ ((t1 >>> 19) | (t1 << 13)) ^ (t1 >>> 10);
+      blocks[j] = (blocks[j - 16] + s0 + blocks[j - 7] + s1) << 0;
+    }
+
+    bc = b & c;
+    for (j = 0; j < 64; j += 4) {
+      if (this.first) {
+        if (this.is224) {
+          ab = 300032;
+          t1 = blocks[0] - 1413257819;
+          h = (t1 - 150054599) << 0;
+          d = (t1 + 24177077) << 0;
+        } else {
+          ab = 704751109;
+          t1 = blocks[0] - 210244248;
+          h = (t1 - 1521486534) << 0;
+          d = (t1 + 143694565) << 0;
+        }
+        this.first = false;
+      } else {
+        s0 = ((a >>> 2) | (a << 30)) ^ ((a >>> 13) | (a << 19)) ^ ((a >>> 22) | (a << 10));
+        s1 = ((e >>> 6) | (e << 26)) ^ ((e >>> 11) | (e << 21)) ^ ((e >>> 25) | (e << 7));
+        ab = a & b;
+        maj = ab ^ (a & c) ^ bc;
+        ch = (e & f) ^ (~e & g);
+        t1 = h + s1 + ch + K[j] + blocks[j];
+        t2 = s0 + maj;
+        h = (d + t1) << 0;
+        d = (t1 + t2) << 0;
+      }
+      s0 = ((d >>> 2) | (d << 30)) ^ ((d >>> 13) | (d << 19)) ^ ((d >>> 22) | (d << 10));
+      s1 = ((h >>> 6) | (h << 26)) ^ ((h >>> 11) | (h << 21)) ^ ((h >>> 25) | (h << 7));
+      da = d & a;
+      maj = da ^ (d & b) ^ ab;
+      ch = (h & e) ^ (~h & f);
+      t1 = g + s1 + ch + K[j + 1] + blocks[j + 1];
+      t2 = s0 + maj;
+      g = (c + t1) << 0;
+      c = (t1 + t2) << 0;
+      s0 = ((c >>> 2) | (c << 30)) ^ ((c >>> 13) | (c << 19)) ^ ((c >>> 22) | (c << 10));
+      s1 = ((g >>> 6) | (g << 26)) ^ ((g >>> 11) | (g << 21)) ^ ((g >>> 25) | (g << 7));
+      cd = c & d;
+      maj = cd ^ (c & a) ^ da;
+      ch = (g & h) ^ (~g & e);
+      t1 = f + s1 + ch + K[j + 2] + blocks[j + 2];
+      t2 = s0 + maj;
+      f = (b + t1) << 0;
+      b = (t1 + t2) << 0;
+      s0 = ((b >>> 2) | (b << 30)) ^ ((b >>> 13) | (b << 19)) ^ ((b >>> 22) | (b << 10));
+      s1 = ((f >>> 6) | (f << 26)) ^ ((f >>> 11) | (f << 21)) ^ ((f >>> 25) | (f << 7));
+      bc = b & c;
+      maj = bc ^ (b & d) ^ cd;
+      ch = (f & g) ^ (~f & h);
+      t1 = e + s1 + ch + K[j + 3] + blocks[j + 3];
+      t2 = s0 + maj;
+      e = (a + t1) << 0;
+      a = (t1 + t2) << 0;
+      this.chromeBugWorkAround = true;
+    }
+
+    this.h0 = (this.h0 + a) << 0;
+    this.h1 = (this.h1 + b) << 0;
+    this.h2 = (this.h2 + c) << 0;
+    this.h3 = (this.h3 + d) << 0;
+    this.h4 = (this.h4 + e) << 0;
+    this.h5 = (this.h5 + f) << 0;
+    this.h6 = (this.h6 + g) << 0;
+    this.h7 = (this.h7 + h) << 0;
+  };
+
+  Sha256.prototype.hex = function () {
+    this.finalize();
+
+    var h0 = this.h0,
+      h1 = this.h1,
+      h2 = this.h2,
+      h3 = this.h3,
+      h4 = this.h4,
+      h5 = this.h5,
+      h6 = this.h6,
+      h7 = this.h7;
+
+    var hex =
+      HEX_CHARS[(h0 >> 28) & 0x0f] +
+      HEX_CHARS[(h0 >> 24) & 0x0f] +
+      HEX_CHARS[(h0 >> 20) & 0x0f] +
+      HEX_CHARS[(h0 >> 16) & 0x0f] +
+      HEX_CHARS[(h0 >> 12) & 0x0f] +
+      HEX_CHARS[(h0 >> 8) & 0x0f] +
+      HEX_CHARS[(h0 >> 4) & 0x0f] +
+      HEX_CHARS[h0 & 0x0f] +
+      HEX_CHARS[(h1 >> 28) & 0x0f] +
+      HEX_CHARS[(h1 >> 24) & 0x0f] +
+      HEX_CHARS[(h1 >> 20) & 0x0f] +
+      HEX_CHARS[(h1 >> 16) & 0x0f] +
+      HEX_CHARS[(h1 >> 12) & 0x0f] +
+      HEX_CHARS[(h1 >> 8) & 0x0f] +
+      HEX_CHARS[(h1 >> 4) & 0x0f] +
+      HEX_CHARS[h1 & 0x0f] +
+      HEX_CHARS[(h2 >> 28) & 0x0f] +
+      HEX_CHARS[(h2 >> 24) & 0x0f] +
+      HEX_CHARS[(h2 >> 20) & 0x0f] +
+      HEX_CHARS[(h2 >> 16) & 0x0f] +
+      HEX_CHARS[(h2 >> 12) & 0x0f] +
+      HEX_CHARS[(h2 >> 8) & 0x0f] +
+      HEX_CHARS[(h2 >> 4) & 0x0f] +
+      HEX_CHARS[h2 & 0x0f] +
+      HEX_CHARS[(h3 >> 28) & 0x0f] +
+      HEX_CHARS[(h3 >> 24) & 0x0f] +
+      HEX_CHARS[(h3 >> 20) & 0x0f] +
+      HEX_CHARS[(h3 >> 16) & 0x0f] +
+      HEX_CHARS[(h3 >> 12) & 0x0f] +
+      HEX_CHARS[(h3 >> 8) & 0x0f] +
+      HEX_CHARS[(h3 >> 4) & 0x0f] +
+      HEX_CHARS[h3 & 0x0f] +
+      HEX_CHARS[(h4 >> 28) & 0x0f] +
+      HEX_CHARS[(h4 >> 24) & 0x0f] +
+      HEX_CHARS[(h4 >> 20) & 0x0f] +
+      HEX_CHARS[(h4 >> 16) & 0x0f] +
+      HEX_CHARS[(h4 >> 12) & 0x0f] +
+      HEX_CHARS[(h4 >> 8) & 0x0f] +
+      HEX_CHARS[(h4 >> 4) & 0x0f] +
+      HEX_CHARS[h4 & 0x0f] +
+      HEX_CHARS[(h5 >> 28) & 0x0f] +
+      HEX_CHARS[(h5 >> 24) & 0x0f] +
+      HEX_CHARS[(h5 >> 20) & 0x0f] +
+      HEX_CHARS[(h5 >> 16) & 0x0f] +
+      HEX_CHARS[(h5 >> 12) & 0x0f] +
+      HEX_CHARS[(h5 >> 8) & 0x0f] +
+      HEX_CHARS[(h5 >> 4) & 0x0f] +
+      HEX_CHARS[h5 & 0x0f] +
+      HEX_CHARS[(h6 >> 28) & 0x0f] +
+      HEX_CHARS[(h6 >> 24) & 0x0f] +
+      HEX_CHARS[(h6 >> 20) & 0x0f] +
+      HEX_CHARS[(h6 >> 16) & 0x0f] +
+      HEX_CHARS[(h6 >> 12) & 0x0f] +
+      HEX_CHARS[(h6 >> 8) & 0x0f] +
+      HEX_CHARS[(h6 >> 4) & 0x0f] +
+      HEX_CHARS[h6 & 0x0f];
+    if (!this.is224) {
+      hex +=
+        HEX_CHARS[(h7 >> 28) & 0x0f] +
+        HEX_CHARS[(h7 >> 24) & 0x0f] +
+        HEX_CHARS[(h7 >> 20) & 0x0f] +
+        HEX_CHARS[(h7 >> 16) & 0x0f] +
+        HEX_CHARS[(h7 >> 12) & 0x0f] +
+        HEX_CHARS[(h7 >> 8) & 0x0f] +
+        HEX_CHARS[(h7 >> 4) & 0x0f] +
+        HEX_CHARS[h7 & 0x0f];
+    }
+    return hex;
+  };
+
+  Sha256.prototype.toString = Sha256.prototype.hex;
+
+  Sha256.prototype.digest = function () {
+    this.finalize();
+
+    var h0 = this.h0,
+      h1 = this.h1,
+      h2 = this.h2,
+      h3 = this.h3,
+      h4 = this.h4,
+      h5 = this.h5,
+      h6 = this.h6,
+      h7 = this.h7;
+
+    var arr = [
+      (h0 >> 24) & 0xff,
+      (h0 >> 16) & 0xff,
+      (h0 >> 8) & 0xff,
+      h0 & 0xff,
+      (h1 >> 24) & 0xff,
+      (h1 >> 16) & 0xff,
+      (h1 >> 8) & 0xff,
+      h1 & 0xff,
+      (h2 >> 24) & 0xff,
+      (h2 >> 16) & 0xff,
+      (h2 >> 8) & 0xff,
+      h2 & 0xff,
+      (h3 >> 24) & 0xff,
+      (h3 >> 16) & 0xff,
+      (h3 >> 8) & 0xff,
+      h3 & 0xff,
+      (h4 >> 24) & 0xff,
+      (h4 >> 16) & 0xff,
+      (h4 >> 8) & 0xff,
+      h4 & 0xff,
+      (h5 >> 24) & 0xff,
+      (h5 >> 16) & 0xff,
+      (h5 >> 8) & 0xff,
+      h5 & 0xff,
+      (h6 >> 24) & 0xff,
+      (h6 >> 16) & 0xff,
+      (h6 >> 8) & 0xff,
+      h6 & 0xff,
+    ];
+    if (!this.is224) {
+      arr.push((h7 >> 24) & 0xff, (h7 >> 16) & 0xff, (h7 >> 8) & 0xff, h7 & 0xff);
+    }
+    return arr;
+  };
+
+  Sha256.prototype.array = Sha256.prototype.digest;
+
+  Sha256.prototype.arrayBuffer = function () {
+    this.finalize();
+
+    var buffer = new ArrayBuffer(this.is224 ? 28 : 32);
+    var dataView = new DataView(buffer);
+    dataView.setUint32(0, this.h0);
+    dataView.setUint32(4, this.h1);
+    dataView.setUint32(8, this.h2);
+    dataView.setUint32(12, this.h3);
+    dataView.setUint32(16, this.h4);
+    dataView.setUint32(20, this.h5);
+    dataView.setUint32(24, this.h6);
+    if (!this.is224) {
+      dataView.setUint32(28, this.h7);
+    }
+    return buffer;
+  };
+
+  function HmacSha256(key, is224, sharedMemory) {
+    var i,
+      type = typeof key;
+    if (type === 'string') {
+      var bytes = [],
+        length = key.length,
+        index = 0,
+        code;
+      for (i = 0; i < length; ++i) {
+        code = key.charCodeAt(i);
+        if (code < 0x80) {
+          bytes[index++] = code;
+        } else if (code < 0x800) {
+          bytes[index++] = 0xc0 | (code >> 6);
+          bytes[index++] = 0x80 | (code & 0x3f);
+        } else if (code < 0xd800 || code >= 0xe000) {
+          bytes[index++] = 0xe0 | (code >> 12);
+          bytes[index++] = 0x80 | ((code >> 6) & 0x3f);
+          bytes[index++] = 0x80 | (code & 0x3f);
+        } else {
+          code = 0x10000 + (((code & 0x3ff) << 10) | (key.charCodeAt(++i) & 0x3ff));
+          bytes[index++] = 0xf0 | (code >> 18);
+          bytes[index++] = 0x80 | ((code >> 12) & 0x3f);
+          bytes[index++] = 0x80 | ((code >> 6) & 0x3f);
+          bytes[index++] = 0x80 | (code & 0x3f);
+        }
+      }
+      key = bytes;
+    } else {
+      if (type === 'object') {
+        if (key === null) {
+          throw new Error(ERROR);
+        } else if (ARRAY_BUFFER && key.constructor === ArrayBuffer) {
+          key = new Uint8Array(key);
+        } else if (!Array.isArray(key)) {
+          if (!ARRAY_BUFFER || !ArrayBuffer.isView(key)) {
+            throw new Error(ERROR);
+          }
+        }
+      } else {
+        throw new Error(ERROR);
+      }
+    }
+
+    if (key.length > 64) {
+      key = new Sha256(is224, true).update(key).array();
+    }
+
+    var oKeyPad = [],
+      iKeyPad = [];
+    for (i = 0; i < 64; ++i) {
+      var b = key[i] || 0;
+      oKeyPad[i] = 0x5c ^ b;
+      iKeyPad[i] = 0x36 ^ b;
+    }
+
+    Sha256.call(this, is224, sharedMemory);
+
+    this.update(iKeyPad);
+    this.oKeyPad = oKeyPad;
+    this.inner = true;
+    this.sharedMemory = sharedMemory;
+  }
+  HmacSha256.prototype = new Sha256();
+
+  HmacSha256.prototype.finalize = function () {
+    Sha256.prototype.finalize.call(this);
+    if (this.inner) {
+      this.inner = false;
+      var innerHash = this.array();
+      Sha256.call(this, this.is224, this.sharedMemory);
+      this.update(this.oKeyPad);
+      this.update(innerHash);
+      Sha256.prototype.finalize.call(this);
+    }
+  };
+
+  var exports = createMethod();
+  exports.sha256 = exports;
+  exports.sha224 = createMethod(true);
+  exports.sha256.hmac = createHmacMethod();
+  exports.sha224.hmac = createHmacMethod(true);
+
+  if (COMMON_JS) {
+    module.exports = exports;
+  } else {
+    root.sha256 = exports.sha256;
+    root.sha224 = exports.sha224;
+    if (AMD) {
+      define(function () {
+        return exports;
+      });
+    }
+  }
+})();
diff --git a/packages/sdk/react-native/src/react-native-sse/EventSource.ts b/packages/sdk/react-native/src/fromExternal/react-native-sse/EventSource.ts
similarity index 100%
rename from packages/sdk/react-native/src/react-native-sse/EventSource.ts
rename to packages/sdk/react-native/src/fromExternal/react-native-sse/EventSource.ts
diff --git a/packages/sdk/react-native/src/react-native-sse/LICENSE b/packages/sdk/react-native/src/fromExternal/react-native-sse/LICENSE
similarity index 100%
rename from packages/sdk/react-native/src/react-native-sse/LICENSE
rename to packages/sdk/react-native/src/fromExternal/react-native-sse/LICENSE
diff --git a/packages/sdk/react-native/src/react-native-sse/index.ts b/packages/sdk/react-native/src/fromExternal/react-native-sse/index.ts
similarity index 100%
rename from packages/sdk/react-native/src/react-native-sse/index.ts
rename to packages/sdk/react-native/src/fromExternal/react-native-sse/index.ts
diff --git a/packages/sdk/react-native/src/react-native-sse/types.ts b/packages/sdk/react-native/src/fromExternal/react-native-sse/types.ts
similarity index 100%
rename from packages/sdk/react-native/src/react-native-sse/types.ts
rename to packages/sdk/react-native/src/fromExternal/react-native-sse/types.ts
diff --git a/packages/sdk/react-native/src/platform/crypto/PlatformHasher.ts b/packages/sdk/react-native/src/platform/crypto/PlatformHasher.ts
new file mode 100644
index 000000000..6432bca3c
--- /dev/null
+++ b/packages/sdk/react-native/src/platform/crypto/PlatformHasher.ts
@@ -0,0 +1,33 @@
+import { Hasher as LDHasher } from '@launchdarkly/js-client-sdk-common';
+
+import { Hasher, sha256 } from '../../fromExternal/js-sha256';
+import { base64FromByteArray } from '../../polyfills';
+import { SupportedHashAlgorithm, SupportedOutputEncoding } from './types';
+
+export default class PlatformHasher implements LDHasher {
+  private hasher: Hasher;
+
+  constructor(algorithm: SupportedHashAlgorithm, hmacKey?: string) {
+    if (algorithm === 'sha256') {
+      this.hasher = hmacKey ? sha256.hmac.create(hmacKey) : sha256.create();
+    }
+
+    throw new Error('Unsupported hash algorithm. Only sha256 is supported.');
+  }
+
+  digest(encoding: SupportedOutputEncoding): string {
+    switch (encoding) {
+      case 'base64':
+        return base64FromByteArray(new Uint8Array(this.hasher.arrayBuffer()));
+      case 'hex':
+        return this.hasher.hex();
+      default:
+        throw new Error('unsupported output encoding. Only base64 and hex are supported.');
+    }
+  }
+
+  update(data: string): this {
+    this.hasher.update(data);
+    return this;
+  }
+}
diff --git a/packages/sdk/react-native/src/platform/crypto/index.ts b/packages/sdk/react-native/src/platform/crypto/index.ts
new file mode 100644
index 000000000..a4bfdd4dd
--- /dev/null
+++ b/packages/sdk/react-native/src/platform/crypto/index.ts
@@ -0,0 +1,40 @@
+import type { Crypto, Hmac } from '@launchdarkly/js-client-sdk-common';
+
+import PlatformHasher from './PlatformHasher';
+import { SupportedHashAlgorithm } from './types';
+
+/* eslint-disable no-bitwise */
+/**
+ * To avoid dependencies on uuid, this is good enough for now.
+ * Ripped from the react-native repo:
+ * https://github.com/facebook/react-native/blob/main/packages/react-native/Libraries/Blob/BlobManager.js#L27
+ *
+ * Based on the rfc4122-compliant solution posted at
+ * http://stackoverflow.com/questions/105034
+ */
+function uuidv4(): string {
+  return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, (c) => {
+    const r = (Math.random() * 16) | 0;
+    const v = c === 'x' ? r : (r & 0x3) | 0x8;
+    return v.toString(16);
+  });
+}
+
+/**
+ * Uses crypto-js as substitute to node:crypto because the latter
+ * is not yet supported in some runtimes.
+ * https://cryptojs.gitbook.io/docs/
+ */
+export default class PlatformCrypto implements Crypto {
+  createHash(algorithm: SupportedHashAlgorithm): PlatformHasher {
+    return new PlatformHasher(algorithm);
+  }
+
+  createHmac(algorithm: SupportedHashAlgorithm, key: string): Hmac {
+    return new PlatformHasher(algorithm, key);
+  }
+
+  randomUUID(): string {
+    return uuidv4();
+  }
+}
diff --git a/packages/sdk/react-native/src/platform/crypto/types.ts b/packages/sdk/react-native/src/platform/crypto/types.ts
new file mode 100644
index 000000000..446d5f6df
--- /dev/null
+++ b/packages/sdk/react-native/src/platform/crypto/types.ts
@@ -0,0 +1,2 @@
+export type SupportedHashAlgorithm = 'sha256';
+export type SupportedOutputEncoding = 'base64' | 'hex';
diff --git a/packages/sdk/react-native/src/platform/index.ts b/packages/sdk/react-native/src/platform/index.ts
index 47aa888ce..6e9e7a81c 100644
--- a/packages/sdk/react-native/src/platform/index.ts
+++ b/packages/sdk/react-native/src/platform/index.ts
@@ -1,12 +1,9 @@
 /* eslint-disable max-classes-per-file */
 import type {
-  Crypto,
   Encoding,
   EventName,
   EventSource,
   EventSourceInitDict,
-  Hasher,
-  Hmac,
   Info,
   LDLogger,
   Options,
@@ -19,10 +16,11 @@ import type {
 } from '@launchdarkly/js-client-sdk-common';
 
 import { name, version } from '../../package.json';
-import { btoa, uuidv4 } from '../polyfills';
-import RNEventSource from '../react-native-sse';
+import RNEventSource from '../fromExternal/react-native-sse';
+import { btoa } from '../polyfills';
 import { ldApplication, ldDevice } from './autoEnv';
 import AsyncStorage from './ConditionalAsyncStorage';
+import PlatformCrypto from './crypto';
 
 class PlatformRequests implements Requests {
   createEventSource(url: string, eventSourceInitDict: EventSourceInitDict): EventSource {
@@ -69,20 +67,6 @@ class PlatformInfo implements Info {
   }
 }
 
-class PlatformCrypto implements Crypto {
-  createHash(_algorithm: string): Hasher {
-    throw new Error('createHash not implemented');
-  }
-
-  createHmac(_algorithm: string, _key: string): Hmac {
-    throw new Error('createHmac not implemented');
-  }
-
-  randomUUID(): string {
-    return uuidv4();
-  }
-}
-
 class PlatformStorage implements Storage {
   constructor(private readonly logger: LDLogger) {}
   async clear(key: string): Promise<void> {
diff --git a/packages/sdk/react-native/src/polyfills/btoa.ts b/packages/sdk/react-native/src/polyfills/btoa.ts
index 944ce41c9..d9b29bfac 100644
--- a/packages/sdk/react-native/src/polyfills/btoa.ts
+++ b/packages/sdk/react-native/src/polyfills/btoa.ts
@@ -8,6 +8,10 @@ function convertToByteArray(s: string) {
   return Uint8Array.from(b);
 }
 
-export default function btoa(s: string) {
+export function btoa(s: string) {
   return fromByteArray(convertToByteArray(s));
 }
+
+export function base64FromByteArray(a: Uint8Array) {
+  return fromByteArray(a);
+}
diff --git a/packages/sdk/react-native/src/polyfills/index.ts b/packages/sdk/react-native/src/polyfills/index.ts
index bf2bac134..03e1b11fe 100644
--- a/packages/sdk/react-native/src/polyfills/index.ts
+++ b/packages/sdk/react-native/src/polyfills/index.ts
@@ -1,8 +1,8 @@
 import EventTarget from 'event-target-shim';
 
-import btoa from './btoa';
+import { type Hasher, sha256 } from '../fromExternal/js-sha256';
+import { base64FromByteArray, btoa } from './btoa';
 import CustomEvent from './CustomEvent';
-import uuidv4 from './uuid';
 
 function setupPolyfill() {
   Object.assign(global, {
@@ -10,4 +10,4 @@ function setupPolyfill() {
     CustomEvent,
   });
 }
-export { btoa, setupPolyfill, uuidv4 };
+export { base64FromByteArray, btoa, type Hasher, setupPolyfill, sha256 };
diff --git a/packages/sdk/react-native/src/polyfills/uuid.ts b/packages/sdk/react-native/src/polyfills/uuid.ts
deleted file mode 100644
index 142a322bc..000000000
--- a/packages/sdk/react-native/src/polyfills/uuid.ts
+++ /dev/null
@@ -1,16 +0,0 @@
-/* eslint-disable no-bitwise */
-/**
- * To avoid dependencies on uuid, this is good enough for now.
- * Ripped from the react-native repo:
- * https://github.com/facebook/react-native/blob/main/packages/react-native/Libraries/Blob/BlobManager.js#L27
- *
- * Based on the rfc4122-compliant solution posted at
- * http://stackoverflow.com/questions/105034
- */
-export default function uuidv4(): string {
-  return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, (c) => {
-    const r = (Math.random() * 16) | 0;
-    const v = c === 'x' ? r : (r & 0x3) | 0x8;
-    return v.toString(16);
-  });
-}

From 8a9298f70b154db3369717fc7d304ce428782ce5 Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Wed, 24 Jan 2024 10:46:14 -0800
Subject: [PATCH 34/44] chore: fix typescript build to ignore jest files and
 include js fromExternal.

---
 packages/sdk/react-native/tsconfig.json | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/packages/sdk/react-native/tsconfig.json b/packages/sdk/react-native/tsconfig.json
index a79d5ca77..275a512e7 100644
--- a/packages/sdk/react-native/tsconfig.json
+++ b/packages/sdk/react-native/tsconfig.json
@@ -18,7 +18,16 @@
     "strict": true,
     "stripInternal": true,
     "target": "ES2017",
-    "types": ["node", "jest"]
+    "types": ["node", "jest"],
+    "allowJs": true
   },
-  "exclude": ["**/*.test.ts*", "dist", "node_modules", "__tests__", "example"]
+  "exclude": [
+    "jest.config.ts",
+    "jestSetupFile.ts",
+    "**/*.test.ts*",
+    "dist",
+    "node_modules",
+    "__tests__",
+    "example"
+  ]
 }

From cf1b4c8a55027cdf84843a03b013ce5ce1091489 Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Wed, 24 Jan 2024 10:47:13 -0800
Subject: [PATCH 35/44] fix: PlatformHasher incorrectly throws error after
 construction. Removed all node references in external hasher.

---
 .../src/fromExternal/js-sha256/index.js       | 34 -------------------
 .../src/platform/crypto/PlatformHasher.ts     | 12 ++++---
 2 files changed, 8 insertions(+), 38 deletions(-)

diff --git a/packages/sdk/react-native/src/fromExternal/js-sha256/index.js b/packages/sdk/react-native/src/fromExternal/js-sha256/index.js
index 5fdaa08ed..6edd54555 100644
--- a/packages/sdk/react-native/src/fromExternal/js-sha256/index.js
+++ b/packages/sdk/react-native/src/fromExternal/js-sha256/index.js
@@ -67,9 +67,6 @@
 
   var createMethod = function (is224) {
     var method = createOutputMethod('hex', is224);
-    if (NODE_JS) {
-      method = nodeWrap(method, is224);
-    }
     method.create = function () {
       return new Sha256(is224);
     };
@@ -83,37 +80,6 @@
     return method;
   };
 
-  var nodeWrap = function (method, is224) {
-    var crypto = require('crypto');
-    var Buffer = require('buffer').Buffer;
-    var algorithm = is224 ? 'sha224' : 'sha256';
-    var bufferFrom;
-    if (Buffer.from && !root.JS_SHA256_NO_BUFFER_FROM) {
-      bufferFrom = Buffer.from;
-    } else {
-      bufferFrom = function (message) {
-        return new Buffer(message);
-      };
-    }
-    var nodeMethod = function (message) {
-      if (typeof message === 'string') {
-        return crypto.createHash(algorithm).update(message, 'utf8').digest('hex');
-      } else {
-        if (message === null || message === undefined) {
-          throw new Error(ERROR);
-        } else if (message.constructor === ArrayBuffer) {
-          message = new Uint8Array(message);
-        }
-      }
-      if (Array.isArray(message) || ArrayBuffer.isView(message) || message.constructor === Buffer) {
-        return crypto.createHash(algorithm).update(bufferFrom(message)).digest('hex');
-      } else {
-        return method(message);
-      }
-    };
-    return nodeMethod;
-  };
-
   var createHmacOutputMethod = function (outputType, is224) {
     return function (key, message) {
       return new HmacSha256(key, is224, true).update(message)[outputType]();
diff --git a/packages/sdk/react-native/src/platform/crypto/PlatformHasher.ts b/packages/sdk/react-native/src/platform/crypto/PlatformHasher.ts
index 6432bca3c..f2b9d7489 100644
--- a/packages/sdk/react-native/src/platform/crypto/PlatformHasher.ts
+++ b/packages/sdk/react-native/src/platform/crypto/PlatformHasher.ts
@@ -1,3 +1,5 @@
+import { algo as CryptoAlgo } from 'crypto-js';
+
 import { Hasher as LDHasher } from '@launchdarkly/js-client-sdk-common';
 
 import { Hasher, sha256 } from '../../fromExternal/js-sha256';
@@ -8,11 +10,13 @@ export default class PlatformHasher implements LDHasher {
   private hasher: Hasher;
 
   constructor(algorithm: SupportedHashAlgorithm, hmacKey?: string) {
-    if (algorithm === 'sha256') {
-      this.hasher = hmacKey ? sha256.hmac.create(hmacKey) : sha256.create();
+    switch (algorithm) {
+      case 'sha256':
+        this.hasher = hmacKey ? sha256.hmac.create(hmacKey) : sha256.create();
+        break;
+      default:
+        throw new Error(`Unsupported hash algorithm: ${algorithm}. Only sha256 is supported.`);
     }
-
-    throw new Error('Unsupported hash algorithm. Only sha256 is supported.');
   }
 
   digest(encoding: SupportedOutputEncoding): string {

From 5ce5e45c7f367c5c90ff1a12241b7af332ff3a7b Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Wed, 24 Jan 2024 11:48:34 -0800
Subject: [PATCH 36/44] chore: Added hasher tests. Improve unsupported encoding
 error message.

---
 .../platform/crypto/PlatformHasher.test.ts    | 61 +++++++++++++++++++
 .../src/platform/crypto/PlatformHasher.ts     |  6 +-
 2 files changed, 64 insertions(+), 3 deletions(-)
 create mode 100644 packages/sdk/react-native/src/platform/crypto/PlatformHasher.test.ts

diff --git a/packages/sdk/react-native/src/platform/crypto/PlatformHasher.test.ts b/packages/sdk/react-native/src/platform/crypto/PlatformHasher.test.ts
new file mode 100644
index 000000000..c2108bfd0
--- /dev/null
+++ b/packages/sdk/react-native/src/platform/crypto/PlatformHasher.test.ts
@@ -0,0 +1,61 @@
+import PlatformHasher from './PlatformHasher';
+
+/**
+ * The links below are different from js-sha256 and are useful to verify the
+ * correctness of hash and encoding output:
+ * https://www.liavaag.org/English/SHA-Generator/
+ * https://www.liavaag.org/English/SHA-Generator/HMAC/
+ */
+describe('PlatformHasher', () => {
+  test('sha256 produces correct base64 output', () => {
+    const h = new PlatformHasher('sha256');
+
+    h.update('test-app-id');
+    const output = h.digest('base64');
+
+    expect(output).toEqual('XVm6ZNk6ejx6+IVtL7zfwYwRQ2/ck9+y7FaN32EcudQ=');
+  });
+
+  test('sha256 produces correct hex output', () => {
+    const h = new PlatformHasher('sha256');
+
+    h.update('test-app-id');
+    const output = h.digest('hex');
+
+    expect(output).toEqual('5d59ba64d93a7a3c7af8856d2fbcdfc18c11436fdc93dfb2ec568ddf611cb9d4');
+  });
+
+  test('unsupported hash algorithm', () => {
+    expect(() => {
+      // @ts-ignore
+      new PlatformHasher('sha1');
+    }).toThrow(/unsupported/i);
+  });
+
+  test('unsupported output algorithm', () => {
+    expect(() => {
+      const h = new PlatformHasher('sha256');
+      h.update('test-app-id');
+      // @ts-ignore
+      const output = h.digest('base122');
+    }).toThrow(/unsupported/i);
+  });
+
+  test('hmac produces correct base64 output', () => {
+    const h = new PlatformHasher('sha256', 'hmac-key');
+
+    h.update('test-app-id');
+    const output = h.digest('base64');
+
+    expect(output).toEqual('tB+++rKY29eF480Oe3ekuWk4AbXV2E8cTgk+UEB9xfA=');
+  });
+
+  test('hmac produces correct hex output', () => {
+    const h = new PlatformHasher('sha256', 'hmac-key');
+
+    h.update('test-app-id');
+    const output = h.digest('hex');
+
+    expect(output).toEqual('b41fbefab298dbd785e3cd0e7b77a4b9693801b5d5d84f1c4e093e50407dc5f0');
+  });
+});
diff --git a/packages/sdk/react-native/src/platform/crypto/PlatformHasher.ts b/packages/sdk/react-native/src/platform/crypto/PlatformHasher.ts
index f2b9d7489..081af2624 100644
--- a/packages/sdk/react-native/src/platform/crypto/PlatformHasher.ts
+++ b/packages/sdk/react-native/src/platform/crypto/PlatformHasher.ts
@@ -1,5 +1,3 @@
-import { algo as CryptoAlgo } from 'crypto-js';
-
 import { Hasher as LDHasher } from '@launchdarkly/js-client-sdk-common';
 
 import { Hasher, sha256 } from '../../fromExternal/js-sha256';
@@ -26,7 +24,9 @@ export default class PlatformHasher implements LDHasher {
       case 'hex':
         return this.hasher.hex();
       default:
-        throw new Error('unsupported output encoding. Only base64 and hex are supported.');
+        throw new Error(
+          `unsupported output encoding: ${encoding}. Only base64 and hex are supported.`,
+        );
     }
   }
 

From e71e131df9b363a497b2c41c36a42e6c9e82986d Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Wed, 24 Jan 2024 12:57:26 -0800
Subject: [PATCH 37/44] Update README.md

---
 packages/shared/mocks/README.md | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/packages/shared/mocks/README.md b/packages/shared/mocks/README.md
index a304c0a06..b4105f3d5 100644
--- a/packages/shared/mocks/README.md
+++ b/packages/shared/mocks/README.md
@@ -44,13 +44,18 @@ import { basicPlatform, hasher } from '@launchdarkly/private-js-mocks';
 
 // DOES NOT WORK: crypto is undefined because basicPlatform must be inside a test
 // because it's setup by the package in beforeEach.
-// const { crypto } = basicPlatform; // DON'T DO THIS
+const { crypto } = basicPlatform; // DON'T DO THIS
 
 describe('button', () => {
+  // DOES NOT WORK: again must be inside an actual test. At the test suite,
+  // level, beforeEach has not been run.
+  const { crypto } = basicPlatform; // DON'T DO THIS
+
+  // DO THIS
   let crypto: Crypto;
 
   beforeEach(() => {
-    // WORKS: basicPlatform has been setup by the package
+    // WORKS: basicPlatform has been setup by the package.
     crypto = basicPlatform.crypto; // DO THIS
   });
 

From b440dc3fc94e6977b16d2eb766f533f82044c291 Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Wed, 24 Jan 2024 13:04:55 -0800
Subject: [PATCH 38/44] chore: Fixed linting errors.

---
 .../react-native/src/platform/crypto/PlatformHasher.test.ts  | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/packages/sdk/react-native/src/platform/crypto/PlatformHasher.test.ts b/packages/sdk/react-native/src/platform/crypto/PlatformHasher.test.ts
index c2108bfd0..38135983c 100644
--- a/packages/sdk/react-native/src/platform/crypto/PlatformHasher.test.ts
+++ b/packages/sdk/react-native/src/platform/crypto/PlatformHasher.test.ts
@@ -28,7 +28,8 @@ describe('PlatformHasher', () => {
   test('unsupported hash algorithm', () => {
     expect(() => {
       // @ts-ignore
-      new PlatformHasher('sha1');
+      // eslint-disable-next-line @typescript-eslint/no-unused-vars
+      const h = new PlatformHasher('sha1');
     }).toThrow(/unsupported/i);
   });
 
@@ -37,7 +38,7 @@ describe('PlatformHasher', () => {
       const h = new PlatformHasher('sha256');
       h.update('test-app-id');
       // @ts-ignore
-      const output = h.digest('base122');
+      h.digest('base122');
     }).toThrow(/unsupported/i);
   });
 

From 07abdeaff92621df6e9ef72bc5e41859644b0834 Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Wed, 24 Jan 2024 14:36:54 -0800
Subject: [PATCH 39/44] chore: Run setup mocks for common.

---
 packages/shared/common/jest.config.js                       | 1 +
 .../src/internal/diagnostics/DiagnosticsManager.test.ts     | 6 +++---
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/packages/shared/common/jest.config.js b/packages/shared/common/jest.config.js
index 6753062cc..bcd6a8d01 100644
--- a/packages/shared/common/jest.config.js
+++ b/packages/shared/common/jest.config.js
@@ -4,4 +4,5 @@ module.exports = {
   testEnvironment: 'node',
   moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'],
   collectCoverageFrom: ['src/**/*.ts'],
+  setupFilesAfterEnv: ['@launchdarkly/private-js-mocks/setup'],
 };
diff --git a/packages/shared/common/src/internal/diagnostics/DiagnosticsManager.test.ts b/packages/shared/common/src/internal/diagnostics/DiagnosticsManager.test.ts
index c275484aa..6c69b1cb7 100644
--- a/packages/shared/common/src/internal/diagnostics/DiagnosticsManager.test.ts
+++ b/packages/shared/common/src/internal/diagnostics/DiagnosticsManager.test.ts
@@ -58,9 +58,9 @@ describe('given a diagnostics manager', () => {
     const { platform } = manager.createInitEvent();
     expect(platform).toEqual({
       name: 'The SDK Name',
-      osName: 'An OS',
-      osVersion: '1.0.1',
-      osArch: 'An Arch',
+      osName: 'iOS',
+      osVersion: '17.17',
+      osArch: 'ARM64',
       nodeVersion: '42',
     });
   });

From b8a6f7bfe2a99b88bb838d08a3a3f511fc7e49e5 Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Wed, 24 Jan 2024 14:48:45 -0800
Subject: [PATCH 40/44] chore: Fix common tests.

---
 .../stream/StreamingProcessor.test.ts         | 15 ++++++----
 packages/shared/mocks/src/clientContext.ts    | 30 ++++++++++---------
 packages/shared/mocks/src/index.ts            |  2 +-
 packages/shared/mocks/src/setupMocks.ts       |  7 +++++
 4 files changed, 33 insertions(+), 21 deletions(-)

diff --git a/packages/shared/common/src/internal/stream/StreamingProcessor.test.ts b/packages/shared/common/src/internal/stream/StreamingProcessor.test.ts
index cf2e397eb..9f53f99b9 100644
--- a/packages/shared/common/src/internal/stream/StreamingProcessor.test.ts
+++ b/packages/shared/common/src/internal/stream/StreamingProcessor.test.ts
@@ -1,18 +1,15 @@
 import { basicPlatform, clientContext, logger } from '@launchdarkly/private-js-mocks';
 
-import { EventName, ProcessStreamResponse } from '../../api';
+import { EventName, Info, ProcessStreamResponse } from '../../api';
 import { LDStreamProcessor } from '../../api/subsystem';
 import { LDStreamingError } from '../../errors';
+import { ApplicationTags, ServiceEndpoints } from '../../options';
 import { defaultHeaders } from '../../utils';
 import { DiagnosticsManager } from '../diagnostics';
 import StreamingProcessor from './StreamingProcessor';
 
 const dateNowString = '2023-08-10';
 const sdkKey = 'my-sdk-key';
-const {
-  basicConfiguration: { serviceEndpoints, tags },
-  platform: { info },
-} = clientContext;
 const event = {
   data: {
     flags: {
@@ -33,6 +30,9 @@ const createMockEventSource = (streamUri: string = '', options: any = {}) => ({
 });
 
 describe('given a stream processor with mock event source', () => {
+  let serviceEndpoints: ServiceEndpoints;
+  let tags: ApplicationTags;
+  let info: Info;
   let streamingProcessor: LDStreamProcessor;
   let diagnosticsManager: DiagnosticsManager;
   let listeners: Map<EventName, ProcessStreamResponse>;
@@ -53,8 +53,11 @@ describe('given a stream processor with mock event source', () => {
 
   beforeEach(() => {
     mockErrorHandler = jest.fn();
+    ({
+      basicConfiguration: { serviceEndpoints, tags },
+      platform: { info },
+    } = clientContext);
     clientContext.basicConfiguration.logger = logger;
-
     basicPlatform.requests = {
       createEventSource: jest.fn((streamUri: string, options: any) => {
         mockEventSource = createMockEventSource(streamUri, options);
diff --git a/packages/shared/mocks/src/clientContext.ts b/packages/shared/mocks/src/clientContext.ts
index dca6f19a1..75cf2e649 100644
--- a/packages/shared/mocks/src/clientContext.ts
+++ b/packages/shared/mocks/src/clientContext.ts
@@ -2,19 +2,21 @@ import type { ClientContext } from '@common';
 
 import { basicPlatform } from './platform';
 
-const clientContext: ClientContext = {
-  basicConfiguration: {
-    sdkKey: 'testSdkKey',
-    serviceEndpoints: {
-      events: '',
-      polling: '',
-      streaming: 'https://mockstream.ld.com',
-      diagnosticEventPath: '/diagnostic',
-      analyticsEventPath: '/bulk',
-      includeAuthorizationHeader: true,
+// eslint-disable-next-line import/no-mutable-exports
+export let clientContext: ClientContext;
+export const setupClientContext = () => {
+  clientContext = {
+    basicConfiguration: {
+      sdkKey: 'testSdkKey',
+      serviceEndpoints: {
+        events: '',
+        polling: '',
+        streaming: 'https://mockstream.ld.com',
+        diagnosticEventPath: '/diagnostic',
+        analyticsEventPath: '/bulk',
+        includeAuthorizationHeader: true,
+      },
     },
-  },
-  platform: basicPlatform,
+    platform: basicPlatform,
+  };
 };
-
-export default clientContext;
diff --git a/packages/shared/mocks/src/index.ts b/packages/shared/mocks/src/index.ts
index a78d38c41..8c6927ba7 100644
--- a/packages/shared/mocks/src/index.ts
+++ b/packages/shared/mocks/src/index.ts
@@ -1,4 +1,4 @@
-import clientContext from './clientContext';
+import { clientContext } from './clientContext';
 import ContextDeduplicator from './contextDeduplicator';
 import { hasher } from './crypto';
 import logger from './logger';
diff --git a/packages/shared/mocks/src/setupMocks.ts b/packages/shared/mocks/src/setupMocks.ts
index fcfc3f4c2..9a663f5fc 100644
--- a/packages/shared/mocks/src/setupMocks.ts
+++ b/packages/shared/mocks/src/setupMocks.ts
@@ -1,5 +1,12 @@
+import { setupClientContext } from './clientContext';
 import { setupBasicPlatform } from './platform';
 
+beforeAll(() => {
+  setupBasicPlatform();
+  setupClientContext();
+});
+
 beforeEach(() => {
   setupBasicPlatform();
+  setupClientContext();
 });

From 8e6a25eddf04692226e40f9e3eee16c544192880 Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Wed, 24 Jan 2024 15:05:31 -0800
Subject: [PATCH 41/44] chore: Improve mocks readme. Improve destructuring
 syntax.

---
 packages/shared/mocks/README.md               | 35 +++++++++++++++----
 .../sdk-client/src/utils/addAutoEnv.test.ts   |  4 +--
 2 files changed, 30 insertions(+), 9 deletions(-)

diff --git a/packages/shared/mocks/README.md b/packages/shared/mocks/README.md
index b4105f3d5..8c502a112 100644
--- a/packages/shared/mocks/README.md
+++ b/packages/shared/mocks/README.md
@@ -30,33 +30,51 @@ module.exports = {
 ## Usage
 
 > [!IMPORTANT]  
-> basicPlatform must be used inside a test because it's setup before each test.
+> basicPlatform and clientContext must be used inside a test because it's setup before each test.
 
 - `basicPlatform`: a concrete but basic implementation of [Platform](https://github.com/launchdarkly/js-core/blob/main/packages/shared/common/src/api/platform/Platform.ts). This is setup beforeEach so it must be used inside a test.
 
+- `clientContext`: ClientContext object including `basicPlatform` above. This is setup beforeEach so it must be used inside a test as well.
+
 - `hasher`: a Hasher object returned by `Crypto.createHash`. All functions in this object are jest mocks. This is exported
   separately as a top level export because `Crypto` does not expose this publicly and we want to respect that.
 
 ## Example
 
 ```tsx
-import { basicPlatform, hasher } from '@launchdarkly/private-js-mocks';
+import { basicPlatform, clientContext, hasher } from '@launchdarkly/private-js-mocks';
 
 // DOES NOT WORK: crypto is undefined because basicPlatform must be inside a test
 // because it's setup by the package in beforeEach.
-const { crypto } = basicPlatform; // DON'T DO THIS
+const { crypto } = basicPlatform; // DON'T DO THIS HERE
+
+// DOES NOT WORK: clientContext must be used inside a test. Otherwise all properties
+// of it will be undefined.
+const {
+  basicConfiguration: { serviceEndpoints, tags },
+  platform: { info },
+} = clientContext; // DON'T DO THIS HERE
 
 describe('button', () => {
   // DOES NOT WORK: again must be inside an actual test. At the test suite,
   // level, beforeEach has not been run.
-  const { crypto } = basicPlatform; // DON'T DO THIS
+  const { crypto } = basicPlatform; // DON'T DO THIS HERE
 
   // DO THIS
   let crypto: Crypto;
+  let info: Info;
+  let serviceEndpoints: ServiceEndpoints;
+  let tags: ApplicationTags;
 
   beforeEach(() => {
-    // WORKS: basicPlatform has been setup by the package.
-    crypto = basicPlatform.crypto; // DO THIS
+    // WORKS: basicPlatform and clientContext have been setup by the package.
+    ({ crypto, info } = basicPlatform);
+
+    // WORKS
+    ({
+      basicConfiguration: { serviceEndpoints, tags },
+      platform: { info },
+    } = clientContext);
   });
 
   afterEach(() => {
@@ -71,8 +89,13 @@ describe('button', () => {
     const [bucket, hadContext] = bucketer.bucket();
 
     // assert
+    // WORKS
     expect(crypto.createHash).toHaveBeenCalled();
 
+    // WORKS: alternatively you can just use the full path to access the properties
+    // of basicPlatform
+    expect(basicPlatform.crypto.createHash).toHaveBeenCalled();
+
     // GOTCHA: hasher is a separte import from crypto to respect
     // the public Crypto interface.
     expect(hasher.update).toHaveBeenCalledWith(expected);
diff --git a/packages/shared/sdk-client/src/utils/addAutoEnv.test.ts b/packages/shared/sdk-client/src/utils/addAutoEnv.test.ts
index 23393737e..d1ea1ac43 100644
--- a/packages/shared/sdk-client/src/utils/addAutoEnv.test.ts
+++ b/packages/shared/sdk-client/src/utils/addAutoEnv.test.ts
@@ -9,9 +9,7 @@ describe('addAutoEnv', () => {
   let info: Info;
 
   beforeEach(() => {
-    crypto = basicPlatform.crypto;
-    info = basicPlatform.info;
-
+    ({ crypto, info } = basicPlatform);
     (crypto.randomUUID as jest.Mock).mockResolvedValue('test-device-key-1');
   });
 

From 28983fd394cd6e334930746e5fcbc6713e02db6b Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Wed, 24 Jan 2024 15:18:40 -0800
Subject: [PATCH 42/44] chore: Add jest to example app for detox to work.

---
 .../sdk/react-native/example/package.json     |    1 +
 packages/sdk/react-native/example/yarn.lock   | 1235 ++++++++++++++++-
 2 files changed, 1197 insertions(+), 39 deletions(-)

diff --git a/packages/sdk/react-native/example/package.json b/packages/sdk/react-native/example/package.json
index 717389b22..5e6af48c4 100644
--- a/packages/sdk/react-native/example/package.json
+++ b/packages/sdk/react-native/example/package.json
@@ -38,6 +38,7 @@
     "@types/react": "~18.2.14",
     "@types/react-native-dotenv": "^0.2.1",
     "detox": "^20.14.7",
+    "jest": "^29.7.0",
     "ts-jest": "^29.1.1",
     "typescript": "^5.2.2"
   }
diff --git a/packages/sdk/react-native/example/yarn.lock b/packages/sdk/react-native/example/yarn.lock
index caafa8c67..80c8d4a39 100644
--- a/packages/sdk/react-native/example/yarn.lock
+++ b/packages/sdk/react-native/example/yarn.lock
@@ -46,6 +46,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@babel/code-frame@npm:^7.23.5":
+  version: 7.23.5
+  resolution: "@babel/code-frame@npm:7.23.5"
+  dependencies:
+    "@babel/highlight": ^7.23.4
+    chalk: ^2.4.2
+  checksum: d90981fdf56a2824a9b14d19a4c0e8db93633fd488c772624b4e83e0ceac6039a27cd298a247c3214faa952bf803ba23696172ae7e7235f3b97f43ba278c569a
+  languageName: node
+  linkType: hard
+
 "@babel/compat-data@npm:^7.20.5, @babel/compat-data@npm:^7.22.6, @babel/compat-data@npm:^7.22.9, @babel/compat-data@npm:^7.23.3":
   version: 7.23.3
   resolution: "@babel/compat-data@npm:7.23.3"
@@ -53,6 +63,36 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@babel/compat-data@npm:^7.23.5":
+  version: 7.23.5
+  resolution: "@babel/compat-data@npm:7.23.5"
+  checksum: 06ce244cda5763295a0ea924728c09bae57d35713b675175227278896946f922a63edf803c322f855a3878323d48d0255a2a3023409d2a123483c8a69ebb4744
+  languageName: node
+  linkType: hard
+
+"@babel/core@npm:^7.11.6, @babel/core@npm:^7.12.3":
+  version: 7.23.7
+  resolution: "@babel/core@npm:7.23.7"
+  dependencies:
+    "@ampproject/remapping": ^2.2.0
+    "@babel/code-frame": ^7.23.5
+    "@babel/generator": ^7.23.6
+    "@babel/helper-compilation-targets": ^7.23.6
+    "@babel/helper-module-transforms": ^7.23.3
+    "@babel/helpers": ^7.23.7
+    "@babel/parser": ^7.23.6
+    "@babel/template": ^7.22.15
+    "@babel/traverse": ^7.23.7
+    "@babel/types": ^7.23.6
+    convert-source-map: ^2.0.0
+    debug: ^4.1.0
+    gensync: ^1.0.0-beta.2
+    json5: ^2.2.3
+    semver: ^6.3.1
+  checksum: 32d5bf73372a47429afaae9adb0af39e47bcea6a831c4b5dcbb4791380cda6949cb8cb1a2fea8b60bb1ebe189209c80e333903df1fa8e9dcb04798c0ce5bf59e
+  languageName: node
+  linkType: hard
+
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+  version: 1.4.0
+  resolution: "natural-compare@npm:1.4.0"
+  checksum: 23ad088b08f898fc9b53011d7bb78ec48e79de7627e01ab5518e806033861bef68d5b0cd0e2205c2f36690ac9571ff6bcb05eb777ced2eeda8d4ac5b44592c3d
+  languageName: node
+  linkType: hard
+
 "ncp@npm:~2.0.0":
   version: 2.0.0
   resolution: "ncp@npm:2.0.0"
@@ -7264,6 +8303,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"node-releases@npm:^2.0.14":
+  version: 2.0.14
+  resolution: "node-releases@npm:2.0.14"
+  checksum: 59443a2f77acac854c42d321bf1b43dea0aef55cd544c6a686e9816a697300458d4e82239e2d794ea05f7bbbc8a94500332e2d3ac3f11f52e4b16cbe638b3c41
+  languageName: node
+  linkType: hard
+
 "node-stream-zip@npm:^1.9.1":
   version: 1.15.0
   resolution: "node-stream-zip@npm:1.15.0"
@@ -7497,7 +8543,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"p-limit@npm:^3.0.2":
+"p-limit@npm:^3.0.2, p-limit@npm:^3.1.0":
   version: 3.1.0
   resolution: "p-limit@npm:3.1.0"
   dependencies:
@@ -7559,6 +8605,18 @@ __metadata:
   languageName: node
   linkType: hard
 
+"parse-json@npm:^5.2.0":
+  version: 5.2.0
+  resolution: "parse-json@npm:5.2.0"
+  dependencies:
+    "@babel/code-frame": ^7.0.0
+    error-ex: ^1.3.1
+    json-parse-even-better-errors: ^2.3.0
+    lines-and-columns: ^1.1.6
+  checksum: 62085b17d64da57f40f6afc2ac1f4d95def18c4323577e1eced571db75d9ab59b297d1d10582920f84b15985cbfc6b6d450ccbf317644cfa176f3ed982ad87e2
+  languageName: node
+  linkType: hard
+
 "parse-png@npm:^2.1.0":
   version: 2.1.0
   resolution: "parse-png@npm:2.1.0"
@@ -7672,7 +8730,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"pirates@npm:^4.0.1, pirates@npm:^4.0.5":
+"pirates@npm:^4.0.1, pirates@npm:^4.0.4, pirates@npm:^4.0.5":
   version: 4.0.6
   resolution: "pirates@npm:4.0.6"
   checksum: 46a65fefaf19c6f57460388a5af9ab81e3d7fd0e7bc44ca59d753cb5c4d0df97c6c6e583674869762101836d68675f027d60f841c105d72734df9dfca97cbcc6
@@ -7688,6 +8746,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"pkg-dir@npm:^4.2.0":
+  version: 4.2.0
+  resolution: "pkg-dir@npm:4.2.0"
+  dependencies:
+    find-up: ^4.0.0
+  checksum: 9863e3f35132bf99ae1636d31ff1e1e3501251d480336edb1c211133c8d58906bed80f154a1d723652df1fda91e01c7442c2eeaf9dc83157c7ae89087e43c8d6
+  languageName: node
+  linkType: hard
+
 "pkg-up@npm:^3.1.0":
   version: 3.1.0
   resolution: "pkg-up@npm:3.1.0"
@@ -7819,7 +8886,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"prompts@npm:^2.3.2, prompts@npm:^2.4.0":
+"prompts@npm:^2.0.1, prompts@npm:^2.3.2, prompts@npm:^2.4.0":
   version: 2.4.2
   resolution: "prompts@npm:2.4.2"
   dependencies:
@@ -7875,6 +8942,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"pure-rand@npm:^6.0.0":
+  version: 6.0.4
+  resolution: "pure-rand@npm:6.0.4"
+  checksum: e1c4e69f8bf7303e5252756d67c3c7551385cd34d94a1f511fe099727ccbab74c898c03a06d4c4a24a89b51858781057b83ebbfe740d984240cdc04fead36068
+  languageName: node
+  linkType: hard
+
 "qrcode-terminal@npm:0.11.0":
   version: 0.11.0
   resolution: "qrcode-terminal@npm:0.11.0"
@@ -8006,6 +9080,7 @@ __metadata:
     expo: ~49.0.16
     expo-splash-screen: ~0.20.5
     expo-status-bar: ~1.7.1
+    jest: ^29.7.0
     react: 18.2.0
     react-native: 0.72.6
     react-native-dotenv: ^3.4.9
@@ -8252,6 +9327,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"resolve-cwd@npm:^3.0.0":
+  version: 3.0.0
+  resolution: "resolve-cwd@npm:3.0.0"
+  dependencies:
+    resolve-from: ^5.0.0
+  checksum: 546e0816012d65778e580ad62b29e975a642989108d9a3c5beabfb2304192fa3c9f9146fbdfe213563c6ff51975ae41bac1d3c6e047dd9572c94863a057b4d81
+  languageName: node
+  linkType: hard
+
 "resolve-from@npm:^3.0.0":
   version: 3.0.0
   resolution: "resolve-from@npm:3.0.0"
@@ -8266,7 +9350,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"resolve@npm:^1.14.2, resolve@npm:^1.22.1":
+"resolve.exports@npm:^2.0.0":
+  version: 2.0.2
+  resolution: "resolve.exports@npm:2.0.2"
+  checksum: 1c7778ca1b86a94f8ab4055d196c7d87d1874b96df4d7c3e67bbf793140f0717fd506dcafd62785b079cd6086b9264424ad634fb904409764c3509c3df1653f2
+  languageName: node
+  linkType: hard
+
+"resolve@npm:^1.14.2, resolve@npm:^1.20.0, resolve@npm:^1.22.1":
   version: 1.22.8
   resolution: "resolve@npm:1.22.8"
   dependencies:
@@ -8288,7 +9379,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"resolve@patch:resolve@^1.14.2#~builtin<compat/resolve>, resolve@patch:resolve@^1.22.1#~builtin<compat/resolve>":
+"resolve@patch:resolve@^1.14.2#~builtin<compat/resolve>, resolve@patch:resolve@^1.20.0#~builtin<compat/resolve>, resolve@patch:resolve@^1.22.1#~builtin<compat/resolve>":
   version: 1.22.8
   resolution: "resolve@patch:resolve@npm%3A1.22.8#~builtin<compat/resolve>::version=1.22.8&hash=c3c19d"
   dependencies:
@@ -8479,7 +9570,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"semver@npm:^6.3.1":
+"semver@npm:^6.3.0, semver@npm:^6.3.1":
   version: 6.3.1
   resolution: "semver@npm:6.3.1"
   bin:
@@ -8488,7 +9579,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"semver@npm:^7.0.0, semver@npm:^7.3.5, semver@npm:^7.5.2, semver@npm:^7.5.3":
+"semver@npm:^7.0.0, semver@npm:^7.3.5, semver@npm:^7.5.2, semver@npm:^7.5.3, semver@npm:^7.5.4":
   version: 7.5.4
   resolution: "semver@npm:7.5.4"
   dependencies:
@@ -8649,7 +9740,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"signal-exit@npm:^3.0.0, signal-exit@npm:^3.0.2, signal-exit@npm:^3.0.3":
+"signal-exit@npm:^3.0.0, signal-exit@npm:^3.0.2, signal-exit@npm:^3.0.3, signal-exit@npm:^3.0.7":
   version: 3.0.7
   resolution: "signal-exit@npm:3.0.7"
   checksum: a2f098f247adc367dffc27845853e9959b9e88b01cb301658cfe4194352d8d2bb32e18467c786a7fe15f1d44b233ea35633d076d5e737870b7139949d1ab6318
@@ -8741,6 +9832,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"source-map-support@npm:0.5.13":
+  version: 0.5.13
+  resolution: "source-map-support@npm:0.5.13"
+  dependencies:
+    buffer-from: ^1.0.0
+    source-map: ^0.6.0
+  checksum: 933550047b6c1a2328599a21d8b7666507427c0f5ef5eaadd56b5da0fd9505e239053c66fe181bf1df469a3b7af9d775778eee283cbb7ae16b902ddc09e93a97
+  languageName: node
+  linkType: hard
+
 "source-map-support@npm:^0.5.16, source-map-support@npm:~0.5.20":
   version: 0.5.21
   resolution: "source-map-support@npm:0.5.21"
@@ -8758,7 +9859,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"source-map@npm:^0.6.0, source-map@npm:~0.6.1":
+"source-map@npm:^0.6.0, source-map@npm:^0.6.1, source-map@npm:~0.6.1":
   version: 0.6.1
   resolution: "source-map@npm:0.6.1"
   checksum: 59ce8640cf3f3124f64ac289012c2b8bd377c238e316fb323ea22fbfe83da07d81e000071d7242cad7a23cd91c7de98e4df8830ec3f133cb6133a5f6e9f67bc2
@@ -8868,6 +9969,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"string-length@npm:^4.0.1":
+  version: 4.0.2
+  resolution: "string-length@npm:4.0.2"
+  dependencies:
+    char-regex: ^1.0.2
+    strip-ansi: ^6.0.0
+  checksum: ce85533ef5113fcb7e522bcf9e62cb33871aa99b3729cec5595f4447f660b0cefd542ca6df4150c97a677d58b0cb727a3fe09ac1de94071d05526c73579bf505
+  languageName: node
+  linkType: hard
+
 "string-width-cjs@npm:string-width@^4.2.0, string-width@npm:^4.1.0, string-width@npm:^4.2.0, string-width@npm:^4.2.3":
   version: 4.2.3
   resolution: "string-width@npm:4.2.3"
@@ -8935,6 +10046,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"strip-bom@npm:^4.0.0":
+  version: 4.0.0
+  resolution: "strip-bom@npm:4.0.0"
+  checksum: 9dbcfbaf503c57c06af15fe2c8176fb1bf3af5ff65003851a102749f875a6dbe0ab3b30115eccf6e805e9d756830d3e40ec508b62b3f1ddf3761a20ebe29d3f3
+  languageName: node
+  linkType: hard
+
 "strip-eof@npm:^1.0.0":
   version: 1.0.0
   resolution: "strip-eof@npm:1.0.0"
@@ -8949,6 +10067,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"strip-json-comments@npm:^3.1.1":
+  version: 3.1.1
+  resolution: "strip-json-comments@npm:3.1.1"
+  checksum: 492f73e27268f9b1c122733f28ecb0e7e8d8a531a6662efbd08e22cccb3f9475e90a1b82cab06a392f6afae6d2de636f977e231296400d0ec5304ba70f166443
+  languageName: node
+  linkType: hard
+
 "strip-json-comments@npm:~2.0.1":
   version: 2.0.1
   resolution: "strip-json-comments@npm:2.0.1"
@@ -9157,6 +10282,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"test-exclude@npm:^6.0.0":
+  version: 6.0.0
+  resolution: "test-exclude@npm:6.0.0"
+  dependencies:
+    "@istanbuljs/schema": ^0.1.2
+    glob: ^7.1.4
+    minimatch: ^3.0.4
+  checksum: 3b34a3d77165a2cb82b34014b3aba93b1c4637a5011807557dc2f3da826c59975a5ccad765721c4648b39817e3472789f9b0fa98fc854c5c1c7a1e632aacdc28
+  languageName: node
+  linkType: hard
+
 "text-table@npm:^0.2.0":
   version: 0.2.0
   resolution: "text-table@npm:0.2.0"
@@ -9639,6 +10775,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"v8-to-istanbul@npm:^9.0.1":
+  version: 9.2.0
+  resolution: "v8-to-istanbul@npm:9.2.0"
+  dependencies:
+    "@jridgewell/trace-mapping": ^0.3.12
+    "@types/istanbul-lib-coverage": ^2.0.1
+    convert-source-map: ^2.0.0
+  checksum: 31ef98c6a31b1dab6be024cf914f235408cd4c0dc56a5c744a5eea1a9e019ba279e1b6f90d695b78c3186feed391ed492380ccf095009e2eb91f3d058f0b4491
+  languageName: node
+  linkType: hard
+
 "valid-url@npm:~1.0.9":
   version: 1.0.9
   resolution: "valid-url@npm:1.0.9"
@@ -9669,7 +10816,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"walker@npm:^1.0.7":
+"walker@npm:^1.0.7, walker@npm:^1.0.8":
   version: 1.0.8
   resolution: "walker@npm:1.0.8"
   dependencies:
@@ -9816,6 +10963,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"write-file-atomic@npm:^4.0.2":
+  version: 4.0.2
+  resolution: "write-file-atomic@npm:4.0.2"
+  dependencies:
+    imurmurhash: ^0.1.4
+    signal-exit: ^3.0.7
+  checksum: 5da60bd4eeeb935eec97ead3df6e28e5917a6bd317478e4a85a5285e8480b8ed96032bbcc6ecd07b236142a24f3ca871c924ec4a6575e623ec1b11bf8c1c253c
+  languageName: node
+  linkType: hard
+
 "ws@npm:^6.2.2":
   version: 6.2.2
   resolution: "ws@npm:6.2.2"
@@ -9993,7 +11150,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"yargs@npm:^17.0.0, yargs@npm:^17.6.2":
+"yargs@npm:^17.0.0, yargs@npm:^17.3.1, yargs@npm:^17.6.2":
   version: 17.7.2
   resolution: "yargs@npm:17.7.2"
   dependencies:

From 6a4604fc93e1d9bb55d818a2266b72454f359c80 Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Wed, 24 Jan 2024 15:57:26 -0800
Subject: [PATCH 43/44] Update autoEnv.ts

---
 packages/sdk/react-native/src/platform/autoEnv.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/packages/sdk/react-native/src/platform/autoEnv.ts b/packages/sdk/react-native/src/platform/autoEnv.ts
index bbbb5991c..728841020 100644
--- a/packages/sdk/react-native/src/platform/autoEnv.ts
+++ b/packages/sdk/react-native/src/platform/autoEnv.ts
@@ -5,6 +5,7 @@ import type { LDApplication, LDDevice } from '@launchdarkly/js-sdk-common';
 import locale from './locale';
 
 export const ldApplication: LDApplication = {
+  // key is populated by client common sdk
   key: '',
   envAttributesVersion: '1.0',
 
@@ -17,6 +18,7 @@ export const ldApplication: LDApplication = {
 };
 
 export const ldDevice: LDDevice = {
+  // key is populated by client common sdk
   key: '',
   envAttributesVersion: '1.0',
   manufacturer: Platform.select({

From 8e2382ee1c69b9af5caf900fd6976d2241b4e264 Mon Sep 17 00:00:00 2001
From: Yusinto Ngadiman <yusinto@gmail.com>
Date: Wed, 24 Jan 2024 16:07:26 -0800
Subject: [PATCH 44/44] chore: Revert test data to look less real.

---
 .../diagnostics/DiagnosticsManager.test.ts    |  6 ++--
 packages/shared/mocks/src/platform.ts         | 10 +++---
 .../sdk-client/src/LDClientImpl.test.ts       |  4 +--
 .../sdk-client/src/utils/addAutoEnv.test.ts   | 32 ++++++-------------
 4 files changed, 20 insertions(+), 32 deletions(-)

diff --git a/packages/shared/common/src/internal/diagnostics/DiagnosticsManager.test.ts b/packages/shared/common/src/internal/diagnostics/DiagnosticsManager.test.ts
index 6c69b1cb7..c275484aa 100644
--- a/packages/shared/common/src/internal/diagnostics/DiagnosticsManager.test.ts
+++ b/packages/shared/common/src/internal/diagnostics/DiagnosticsManager.test.ts
@@ -58,9 +58,9 @@ describe('given a diagnostics manager', () => {
     const { platform } = manager.createInitEvent();
     expect(platform).toEqual({
       name: 'The SDK Name',
-      osName: 'iOS',
-      osVersion: '17.17',
-      osArch: 'ARM64',
+      osName: 'An OS',
+      osVersion: '1.0.1',
+      osArch: 'An Arch',
       nodeVersion: '42',
     });
   });
diff --git a/packages/shared/mocks/src/platform.ts b/packages/shared/mocks/src/platform.ts
index 759bf5f1a..24bcc0016 100644
--- a/packages/shared/mocks/src/platform.ts
+++ b/packages/shared/mocks/src/platform.ts
@@ -10,9 +10,9 @@ const setupInfo = () => ({
   platformData: jest.fn(
     (): PlatformData => ({
       os: {
-        name: 'iOS',
-        version: '17.17',
-        arch: 'ARM64',
+        name: 'An OS',
+        version: '1.0.1',
+        arch: 'An Arch',
       },
       name: 'The SDK Name',
       additional: {
@@ -28,8 +28,8 @@ const setupInfo = () => ({
       ld_device: {
         key: '',
         envAttributesVersion: '1.0',
-        os: { name: 'ios', version: '17', family: 'apple' },
-        manufacturer: 'apple',
+        os: { name: 'Another OS', version: '99', family: 'orange' },
+        manufacturer: 'coconut',
       },
     }),
   ),
diff --git a/packages/shared/sdk-client/src/LDClientImpl.test.ts b/packages/shared/sdk-client/src/LDClientImpl.test.ts
index 4097497ef..1859997ce 100644
--- a/packages/shared/sdk-client/src/LDClientImpl.test.ts
+++ b/packages/shared/sdk-client/src/LDClientImpl.test.ts
@@ -37,8 +37,8 @@ const autoEnv = {
   ld_device: {
     key: 'random1',
     envAttributesVersion: '1.0',
-    manufacturer: 'apple',
-    os: { family: 'apple', name: 'iOS', version: '17.17' },
+    manufacturer: 'coconut',
+    os: { name: 'An OS', version: '1.0.1', family: 'orange' },
   },
 };
 let ldc: LDClientImpl;
diff --git a/packages/shared/sdk-client/src/utils/addAutoEnv.test.ts b/packages/shared/sdk-client/src/utils/addAutoEnv.test.ts
index d1ea1ac43..fec9407dc 100644
--- a/packages/shared/sdk-client/src/utils/addAutoEnv.test.ts
+++ b/packages/shared/sdk-client/src/utils/addAutoEnv.test.ts
@@ -51,8 +51,8 @@ describe('addAutoEnv', () => {
       ld_device: {
         envAttributesVersion: '1.0',
         key: 'test-device-key-1',
-        manufacturer: 'apple',
-        os: { family: 'apple', name: 'iOS', version: '17.17' },
+        manufacturer: 'coconut',
+        os: { name: 'An OS', version: '1.0.1', family: 'orange' },
       },
       user: { key: 'test-user-key-1', name: 'bob' },
     });
@@ -81,8 +81,8 @@ describe('addAutoEnv', () => {
       ld_device: {
         envAttributesVersion: '1.0',
         key: 'test-device-key-1',
-        manufacturer: 'apple',
-        os: { family: 'apple', name: 'iOS', version: '17.17' },
+        manufacturer: 'coconut',
+        os: { name: 'An OS', version: '1.0.1', family: 'orange' },
       },
     });
   });
@@ -171,12 +171,8 @@ describe('addAutoEnv', () => {
     expect(ldDevice).toEqual({
       envAttributesVersion: '1.0',
       key: 'test-device-key-1',
-      manufacturer: 'apple',
-      os: {
-        family: 'apple',
-        name: 'iOS',
-        version: '17.17',
-      },
+      manufacturer: 'coconut',
+      os: { name: 'An OS', version: '1.0.1', family: 'orange' },
     });
   });
 
@@ -190,12 +186,8 @@ describe('addAutoEnv', () => {
     expect(ldDevice).toEqual({
       envAttributesVersion: '1.0',
       key: 'test-device-key-1',
-      manufacturer: 'apple',
-      os: {
-        family: 'apple',
-        name: 'ios',
-        version: '17',
-      },
+      manufacturer: 'coconut',
+      os: { name: 'Another OS', version: '99', family: 'orange' },
     });
   });
 
@@ -209,12 +201,8 @@ describe('addAutoEnv', () => {
     expect(ldDevice).toEqual({
       envAttributesVersion: '1.0',
       key: 'test-device-key-1',
-      manufacturer: 'apple',
-      os: {
-        family: 'apple',
-        name: 'ios',
-        version: '17',
-      },
+      manufacturer: 'coconut',
+      os: { name: 'Another OS', version: '99', family: 'orange' },
     });
   });
 });