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All work on version 2.x is in the 2.x branch.

Version 3

Unreleased

  • Support @alias fragments.

3.0.0-rc.9

  • Fix client extension enums mixup with FutureAddedValue.

3.0.0-rc.8

  • Initial implementation of more advanced Relay resolvers. More to come. #515
  • BREAKING: Relay resolvers using fragments should now be exported with a function name that matches the field name for the resolver, and not default like before.
  • BREAKING: Client extension enums are now (correctly) not emitted with a FutureAddedValue case.

3.0.0-rc.7

  • Fix for not deleting removed artifacts.

3.0.0-rc.6

  • Upgrade versions: react-relay and relay-runtime to 17.0.0.
  • BREAKING: The customScalars option in the Relay config is now called customScalarTypes.
  • BREAKING: requiredFieldLogger in the Environment config is now called relayFieldLogger.

3.0.0-rc.5

3.0.0-rc.4

  • Set explicit peer dependencies: @rescript/react >= 0.12.1, [email protected], [email protected].
  • Clean up connection handler generators now that v3 let us use a better representation.
  • Fix issue with default args in connection id makers. #488
  • Fix issue with PPX not actually converting all functions to uncurried.
  • Rename bsconfig.json -> rescript.json.
  • Fix an error in postinstall.js when reinstalling rescript-relay dependency (#487)

3.0.0-rc.3

  • Fix issue with custom scalars in arrays not being autoconverted properly.

3.0.0-rc.2

  • Depend on ReScript v11 and RescriptReact 0.12.0.
  • BREAKING: Use zero cost tagged variants for RequiredFieldLogger.
  • Add support for the relay_resolver.error event kind.

3.0.0-rc.1

  • Get rid of functor for creating loadQuery.
  • Support for the @preloadable directive.

3.0.0-rc.0

  • First RC version.

3.0.0-alpha.5

Improvements

  • Emit @live for union variant cases to prevent false positives in unions.
  • Set @rescript/tools version explicitly.
  • First class support for input unions, leveraging the @oneOf directive.

3.0.0-alpha.4

Improvements

  • Enums in input objects are now (properly) typed as their input variants.
  • Single item enums are now not emitted as @unboxed.
  • Remove unused fields CLI now properly account for only record fields.

3.0.0-alpha.3

Improvements

  • Use an up-to-date reanalyze from the new @rescript/tools package, for powering the CLI.

3.0.0-alpha.2

This brings the supported Relay version to 16.

Upgrade versions

  • react-relay and relay-runtime to >=16.0.0

3.0.0-alpha.1

Below is a series of releases for version 3 of RescriptRelay, which contain a large amount of breaking changes. The releases are cut up with a few breaking changes for each, to make them slightly less hard to migrate to. You're encouraged to start from the bottom and work your way up through the versions.

Dedicated tooling for migrating is coming, as well as docs.

0.0.0-version-3-8b552902

Breaking changes

0.0.0-version-3-3504d777

Breaking changes

0.0.0-version-3-aeebeaab

Breaking changes

0.0.0-version-3-89bccc22

Breaking changes

2.0.0

RescriptRelay 2.0.0 is here! This isn't a large release really, but it's a major release just because it relies on functionality from ReScript v11. Meaning the lower bound of the required ReScript version is >=11.0.0-beta.2.

Uncurried mode

2.0.0 is built to work with uncurried mode. It's not fully optimized, that'll come in 3.0.0, but it works well in uncurried mode.

You can activate uncurried mode with RescriptRelay by setting "uncurried": true (true is also the default in ReScript >=11.0.0-beta.2) in your bsconfig.json, and then ensuring that you pass -uncurried to rescript-relay/ppx in ppx-flags: "ppx-flags": [["rescript-relay/ppx", "-uncurried"]].

2.0.0-alpha.1

Improvements

  • %relay.deferredComponent now works with uncurried mode.

2.0.0-alpha.0

First alpha of the 2.x series of releases. 2.x focuses on compat with ReScript v11, including uncurried mode.

Uncurried mode

You can activate uncurried mode with RescriptRelay by setting "uncurried": true in your bsconfig.json, and then ensuring that you pass -uncurried to rescript-relay/ppx in ppx-flags: "ppx-flags": [["rescript-relay/ppx", "-uncurried"]].

Upgrade versions

  • rescript to >=11.0.0-beta.0
  • @rescript/react to >=0.12.0-alpha.2

Improvements

  • Leverage variant's new string representation + @as() to get rid of mapFetchPolicy. This was internal so it should not affect you as an end user.

1.2.0

This release mainly makes preparations under the hood for the upcoming 2.0 (ReScript v11 + uncurried mode support) and 3.0 (lots of changes, full uncurried mode only).

Breaking changes

  • A trailing unit () arg is no longer needed in Query.usePreloaded(). What was previously Query.usePreloaded(~queryRef, ()) is now just Query.usePreloaded(~queryRef).

Improvements

  • Add @live annotations to generated JSXv4 dynamic import compat modules, so they don't show up in dead code analysis (which they shouldn't).
  • Preparations under the hood for ReScript v11 + uncurried mode.

1.1.1

  • Fix M1 binary to include new JSXv4 dynamic import compat changes.

1.1.0

Notable changes:

  • JSX v4 is now required
  • Relay and @rescript/react upgraded
  • M1 support for the PPX (should speed up builds for anyone on an M1)

Upgrade versions

  • react-relay and relay-runtime to >=15.0.0
  • @rescript/react to >=0.11.0

Breaking changes

  • The signature for missing field handlers has changed. Previously you got an open type {..} as record, now instead you get a proper RecordProxy.t from the store. Check out the changelog for Relay 15.
  • ReScript >=10.1 and JSX v4 is now required.
  • Work around issue with JSX v4 and %relay.deferredComponent. You now need to annotate any component you want to use with %relay.deferredComponent with @relay.deferredComponent. #439

Improvements

  • Experimental support for allowing null in operation variables. Add @rescriptRelayNullableVariables to your operation (query, mutation, subscription) and you'll be allowed to pass Js.null (via the Js.Null module) to your server. #426
  • 🎉 M1 support for the PPX! This should speed up builds some. #435

Bug Fixes

  • Fix issue with conversion of custom scalars, where custom scalars represented as arrays would get converted "internally" although they should've really just been left alone. #433

1.0.5

Bug Fixes

  • Fix fairly large performance issue with runtime conversion. This should give a large speedup in certain cases.

1.0.4

Improvements

  • Improved autocomplete for fragments etc (pulled from upstream Relay compiler). facebook/relay#4134

1.0.3

Improvements

  • Add RescriptRelay.Disposable.ignore for more ergonomic handling of ignoring disposables.

Bug Fixes

  • Fix the remove-unused-fields script for CI with Node.js version >14 in #409

1.0.2

Bug Fixes

  • private is now correctly marked as a reserved word.

Improvements

  • Add ReScript 10 compat in peerDependencies #397 @MoOx
  • makeConnectionId helpers are now marked as @live to not trigger the dead code analysis.

1.0.1

Bug Fixes

  • Fix issue with custom scalar of JSON values being accidentally mangled #395 @tsnobip

1.0.0

Here's a commit showing a project being upgraded to this version

The time has finally come - RescriptRelay 1.0.0 is released! This version brings a ton of new features and improvements. One of the the big major things this release brings is that the ReScript type generation for the Relay compiler has been completely rewritten, and fully integrated into the new Relay Rust compiler. The RescriptRelay fork of the compiler is available and maintained [here])(https://github.com/zth/relay/tree/rescript-relay).

Upgrade versions

  • react-relay and relay-runtime to >=14.1.0
  • react and react-dom to >=18.0.0

Remove Packages

You can go ahead and remove these packages, that are no longer needed, as the compiler is now shipped in the main package:

  • relay-config
  • relay-compiler
  • graphql (if you don't use it for anything else)

Improvements

  • The compiler itself should be much faster than the old one. An order of magnitude faster. Especially for incremental compilation in watch mode.
  • There's no longer any need to manually select __typename on interfaces and unions for RescriptRelay's sake, unless you actually want to use it yourself.
  • We now support the @required directive from Relay, which is a new directive that lets you force non-nullability for nullable fields on the client side. You can then choose to throw an error if null values are encountered, or let the null value bubble up. Docs are coming soon.
  • The errors reported by the compiler is now quite a lot better.
  • Full support for reanalyze as all false positive dead code results from generated code are now suppressed.
  • Bindings for requiredFieldLogger for logging when missing fields are encountered (kudos Emilios1995).
  • Improved utils for dealing with enums.
  • recordSourceRecords is now typed as Js.Json.t rather than being abstract.
  • Project now works in "type": "module" mode in package.json (kudos cometkim)
  • The field name of the id field of the Node interface is now configurable via schemaConfig: {nodeInterfaceIdField: "idNameHere"}.
  • Add support for experimental Relay Resolvers. Undocumented so far, but looking at the test and definition file should give you a hint of how it works.
  • Support @rescriptRelayIgnoreUnused directive on fragment definitions to insert annotations that makes reanalyze consider all fields in the fragment used, even if they aren't.
  • Support @rescriptRelayAllowUnsafeEnum directive on fields selecting enums, which will ignore safety measures for enums, meaning you won't need to add a catch all clause, etc. It'll essentially output the enum as an input enum (as desribed in the docs).
  • Support provided variables. More info in the docs.
  • Windows support! 🎉
  • A RelaySchemaAssets_graphql.res is now emitted, containing type definitions for all enums and all input objects. This is designed to help with accessing and using enums and input objects outside of Relay's context. This means it'll be much easier to share makers for input objects, pass enums around, etc.
  • Each fragment with a @connection now emits a makeConnectionId function that allows you to generate type safe connection IDs. More on why this is useful in the documentation.

Breaking changes

  • The list of disallowed field names has been adapted to ReScript (it was never properly updated for ReScript when moving from ReasonML). This means that some of your variable prop names might be renamed. One example - if you previously had a variable in GraphQL called $to, you'd interact with that as to_ in ReScript. This is because RescriptRelay would pin to as a reserved word, and rename it for you. But, to isn't actually a keyword in ReScript (it was in ReasonML), so with this release, that to_ in ReScript will be renamed to to. The fix is to just update all to_ to to - let the compiler guide you!

  • Using variable names that are reserved words in ReScript is now disallowed at the Relay compiler level. This means that Relay won't compile your project if you have variables whose names are reserved words. The fix is to simply rename the variables.

  • refetchVariables now works as intended with regards to supplying only the variables you want changed when refetching, as detailed under variables here. This means that what was previously makeRefetchVariables(~someValue=123, ()) should now be makeRefetchVariables(~someValue=Some(123), ()). Crash course:

    • makeRefetchVariables(~someValue=Some(123), ()) means refetch, use the same values for all variables that was used in the last fetch, but change someValue to 123.
    • makeRefetchVariables(~someValue=None, ()) means refetch, use the same values for all variables that was used in the last fetch, but change someValue to null (unsetting it).
    • makeRefetchVariables() means refetch, use the same values for all variables that was used in the last fetch, change nothing.

    This way you can surgically change only certain values when refetching, without having to keep track of the current values for the other values.

    More details on this in the docs. Thanks to @tsnobip for fixing this!

  • All enum type definitions now reside in RelaySchemaAssets_graphql.enum_<yourEnumName>, and are not generated on the operation itself anymore. So, if you previously referred to the actual enum type, like Fragment.Types.enum_MyFineEnum, you'll now need to refer to that enum type as RelaySchemaAssets_graphql.enum_MyFineEnum.

  • Input object fields with illegal names in ReScript previously had their maker function argument names suffixed with _, like ~type_: string. This is now instead prefixed, like ~_type: string. Prefixing like this instead of suffixing means we can ship fully zero cost maker functions, which we couldn't before for input objects with illegal field names.

Assorted Changes and Fixes

  • Add Environment isServer option @MoOx
  • Remove rescript from dependencies @anmonteiro
  • Add undocumented holdGC method on relay store @MoOx
  • Fixed setLinkedRecordToNull, setLinkedRecordToUndefined, setLinkedRecordsToNull and setLinkedRecordsToUndefined methods by binding them to setValue instead of setLinkedRecord/s. Previously they were throwing an error because setLinkedRecord/s did not support "deleting" values using them. (@reck753)
  • Fix long standing bug that would make whether connection helpers were emitted or not unreliable.

1.0.0 development changelog

  • Fix bug in the new type safe connection ID makers where null default values wouldn't turn the variable into a Js.Null.t<t>, leading to type errors.
  • Fix bug with connection handling where connections behind a @include or @skip directive would not be found.
  • Move getConnectionNodes back into generated and auto included Utils module. This means that failing to generate getConnectionNodes, which can happen for various reasons, won't break the build, but rather not just emit the helper.

rc.5

rc.4

  • potentially breaking All enum type definitions now reside in RelaySchemaAssets_graphql.enum_<yourEnumName>, and are not generated on the operation itself anymore. So, if you previously referred to the actual enum type, like Fragment.Types.enum_MyFineEnum, you'll now need to refer to that enum type as RelaySchemaAssets_graphql.enum_MyFineEnum.
  • Fix bug in the new type safe connection ID makers where different types could end up in the same array, yielding type errors in ReScript.

rc.3

  • Fix bug in the new type safe connection ID makers where constant value null couldn't be used.

rc.2

  • Fix long standing bug that would make whether connection helpers were emitted or not unreliable.

rc.1

  • Restore half-broken connection helper function inlining.

rc.0

  • potentially breaking getConnectionNodes and connectionKey is now located directly in the generated module, and not in a nested Utils module. connectionKey is also no longer exposed on the Fragment module, but only via the generated module for that fragment (WhateverYourFragmentIsCalled_whatever_graphql.res)
  • Support provided variables. More info in the docs.
  • Windows support! 🎉
  • Fixed setLinkedRecordToNull, setLinkedRecordToUndefined, setLinkedRecordsToNull and setLinkedRecordsToUndefined methods by binding them to setValue instead of setLinkedRecord/s. Previously they were throwing an error because setLinkedRecord/s did not support "deleting" values using them. (@reck753)
  • A RelaySchemaAssets_graphql.res is now emitted, containing type definitions for all enums and all input objects. This is designed to help with accessing and using enums and input objects outside of Relay's context. This means it'll be much easier to share makers for input objects, pass enums around, etc.
  • Each fragment with a @connection now emits a makeConnectionId function that allows you to generate type safe connection IDs. More on why this is useful in the documentation.
  • breaking Input object fields with illegal names in ReScript previously had their maker function argument names suffixed with _, like ~type_: string. This is now instead prefixed, like ~_type: string. Prefixing like this instead of suffixing means we can ship fully zero cost maker functions, which we couldn't before for input objects with illegal field names.

beta.26

  • Upgrade Relay packages to version 14.1.0.

beta.25

  • Change signature of preload function (router related).

beta.24

  • Fix compatibility with ReScript v10

beta.23

  • Add Environment isServer option @MoOx
  • Fix incorrect react-relay peerDependencies version @MoOx
  • Remove rescript from dependencies @anmonteiro
  • Fix instantiation of Relay context @vikfroberg
  • Add undocumented holdGC method on relay store @MoOx

beta.22

  • Fix locations for %relay.deferredComponent so jump-to-definition, hover etc works as expected (pointing to the dynamically imported module rather than what the PPX produces).
  • Add links for Operation module in Query, Mutation, Subscription and Fragment (XiNiHa)

beta.21

  • Support formatting commented out operations in the CLI (reck753).
  • Support @rescriptRelayIgnoreUnused directive on fragment definitions to insert annotations that makes reanalyze consider all fields in the fragment used, even if they aren't.
  • Support @rescriptRelayAllowUnsafeEnum directive on fields selecting enums, which will ignore safety measures for enums, meaning you won't need to add a catch all clause, etc. It'll essentially output the enum as an input enum (as desribed in the docs).

beta.20

  • Fix enums appearing in @raw_response_type (local query updates, optimistic responses) to be input enums.

beta.19

  • Fix top level node interface issue.

beta.18

  • Fix useTransition bindings, where startTransition broke after going to React 18. Kudos to Emilios1995 for researching and finding the issue!

beta.17

  • Upgrade to stable React 18

beta.16

  • Fix bug that caused issues when using unions in optimistic responses and commitLocalPayload.
  • Add support for experimental Relay Resolvers. Undocumented so far, but looking at the test and definition file should give you a hint of how it works.

beta.15

  • Fixes for input objects.

beta.14

  • Fixes a few issues introduced in beta.13.
  • The list of disallowed field names has been adapted to ReScript. This means that some of your variable prop names might be renamed. Check out the Breaking Changes section above for details.

beta.13

  • refetchVariables now works as intended with regards to supplying only the variables you want changed when refetching, as detailed under variables here. Check out the docs.
  • Make all object makers inlined. This should improve bundle size some.
  • Support more Linux versions in CI (like the images Vercel uses).

beta.12

  • Make CLI work with relay.config.cjs.

beta.11

  • Another batch of experimental stuff... Nothing new in this version compared to beta.9.

beta.10

  • Sneaking out some experimental stuff... Nothing new in this version compared to beta.9.

beta.9

  • recordSourceRecords is now typed as Js.Json.t rather than being abstract.
  • The field name of the id field of the Node interface is now configurable via schemaConfig: {nodeInterfaceIdField: "idNameHere"}.

beta.8

  • More fixes for conversion instructions in variables and input objects.
  • Project now works in "type": "module" mode in package.json (kudos cometkim)

beta.7

  • Full support for reanalyze as all false positive dead code results from generated code are now suppressed.
  • Bindings for requiredFieldLogger for logging when missing fields are encountered (kudos Emilios1995).
  • Fix bug with conversion instructions in variables with input instructions.

beta.6

  • Fix wrong enum type being printed in input objects
  • Fix __typename not being automatically selected (and by that forcing a manual select) in some cases, even though it's not supposed to be required to select manually anymore

beta.5

  • Generate helpers for moving between unsafe enums coming from the server, and safe enums. Also, provide a "fromString" function for each enum used, that can be used to turn any string into your enum.
  • Suppress dead code warnings in most places when running reanalyze on a rescript-relay code base. Still a few things left to fix, that requires changes to reanalyze. But this should be much better than before.

beta.4

  • Revert JSON.parse micro optimization experiment.

beta.3

  • Fix issue with duplicate keys being printed in the conversion instructions.
  • Get rid of the need of nullability conversion instructions, and infer them instead.

beta.2

  • Fix issue with recursive input objects not being converted correctly.

0.23.0

Here's a commit showing a project being upgraded to this version

Finally, a new release! This brings the Relay version to 12, and the React version to 18 (in rc.1 at the time of writing). This release has a few breaking changes which are necessary as we're slowly approaching version 1.0.0 of RescriptRelay. Check the new "Migrations" section below for a few scripts you can run to help the migration.

Upgrade versions

  • react-relay to 12.0.0
  • relay-compiler to 12.0.0
  • relay-config to 12.0.0
  • relay-runtime to 12.0.0

React to React 18 rc:

  • react to rc (yarn add react@rc)
  • react-dom to rc(yarn add react-dom@rc)

Migrations

Want help migrating most of the changes in this release? Install comby and run the migrations below (paste them into your terminal at the root of your project). Comby will guide you through the proposed changes.

  • comby 'ReactExperimental.unstable_useDeferredValue(:[1])' 'ReactExperimental.useDeferredValue(:[1])' .res -matcher .re -exclude-dir node_modules -review
  • comby 'ReactExperimental.renderConcurrentRootAtElementWithId' 'ReactDOMExperimental.renderConcurrentRootAtElementWithId' .res -matcher .re -exclude-dir node_modules -review
  • comby 'let (:[1], :[2]) = ReactExperimental.unstable_useTransition()' 'let (:[2], :[1]) = ReactExperimental.useTransition()' .res -matcher .re -exclude-dir node_modules -review

Breaking changes

  • Remove reason-promise (unless you're using it for something else yourself and want to keep it). We're waiting for the official new Promise bindings, but since they seem to be quite far away, we'll have to revert back to stock Js.Promise for now. This is because reason-promise clashes with other Promise bindings that people might want to use before the new official ones are actually shipped.
  • ReactExperimental.unstable_useTransition is now called ReactExperimental.useTransition, and the order of the tuple that's returned has been reversed to align with the underlying API. This means that what was before let (startTransition, isTransitioning) = ReactExperimental.unstable_useTransition() is now let (isTransitioning, startTransition) = ReactExperimental.useTransition() (migration available above).
  • ReactExperimental.unstable_useDeferredValue is now called ReactExperimental.useDeferredValue (migration available above).
  • ReactExperimental.renderConcurrentRootAtElementWithId has moved to ReactDOMExperimental: ReactDOMExperimental.renderConcurrentRootAtElementWithId (migration available above).

Fixes & misc

  • You're now allowed to configure Relay via package.json.

0.22.0

This release brings a few rescript-relay-cli improvements under the hood, as well as the breaking (but very easily fixable) change of uncurrying the sink methods received back from RescriptRelay.Observable.make.

Breaking changes

  • Uncurry sink methods. What was previously sink => sink.error(err) etc should now instead be sink => sink.error(. err).

Fixes & misc

  • Improvements to the remove-unused-fields CLI.

0.21.1

  • A few bug fixes to the remove-unused-fields command in the CLI.

0.21.0

  • Adds rescript-relay-cli, a CLI for removing unused fields and formatting GraphQL in your project. Read more here (especially look at remove-unused-fields).

0.20.1

Quick patch release fixing the Linux binaries that broke with the last release.

0.20.0

Here's a commit showing a project being upgraded to this version

Other than bug fixes, the major thing about this release is the fact that we've now moved to the new rescript package 🎉!

Fixes & misc

  • getConnectioNodes is now also generated for aliased connections.
  • Fix bug with type gen for refetchable queries without arguments not working properly.
  • .mjs extensions in Rescript are now handled properly (kudos @sgrove).
  • We've now moved from bs-platform to rescript.

0.19.0

A quick release with a few fixes. More details below.

Fixes & misc

  • Turn off various warnings to ease creation of interface files. (@tsnobip)
  • Fix multiple fragmentRefs appearing in generated object maker functions when multiple fragment refs are present.

0.18.2

Another small patch release, fixing an annoying warning in the generated files, and adding bindings from Relay's missing field handlers.

Fixes & misc

  • Turn off warnings for unused opens in generated files.

New bindings

  • Bind missingFieldHandlers on Environment. Read this section of the Relay docs for more information. Add custom ones by passing array<MissingFieldHandler.t> to Environment.make.

0.18.1

Minor patch release, removing an inline require to further enhance ES modules compability.

0.18.0

Here's a commit showing a project being upgraded to this version

Fixes & misc

  • Support ES6 imports for @refetchable queries. This for example allows the use of Vite and similar bundlers.

0.17.1

Small patch release, mainly fixing the broken getConnectionID binding.

Fixes & misc

  • Fix broken getConnectionID binding. It's now properly exposed on ConnectionHandler.getConnectionID, so use that instead.
  • Remove getConnectionID generation from PPX. Prefer ConnectionHandler.getConnectionID. Even though it's slightly more cumbersome, it's guaranteed to not give you dependency cycles.

0.17.0

Small release, mainly bringing stable references to functions produced by the PPX, and a fix for enums in input positions.

Fixes & misc

  • Every enum now gets an exact version output of itself too, and that exact version is now wired up to be used in variables and inputs, where it doesn't make sense to use the open enum we use for responses/fragments (that is open to enforce adding a catch-all case for any enums that the server might add in the future).
  • All hooks produced by the PPX now have stable references (or as stable as they can be), meaning you won't get a new function on each render for most of the callbacks and functions the PPX returns.

0.16.0

Here's a commit showing a project being upgraded to this version

Finally, we've renamed to RescriptRelay! In addition to that, Relay has also released their hook APIs as stable, which means that we for the first time in history can depend on a stable Relay version. Weehoo!

In general, this release will involve quite some renaming etc for you, but other than that, the actual breaking changes are minimal. Read the full changelog below for instructions and information about what exactly has changed.

Upgrade versions

  • react-relay to 11.0.0
  • relay-compiler to 11.0.0
  • relay-config to 11.0.0
  • relay-runtime to 11.0.0

Breaking changes

  • ReasonRelay is now called RescriptRelay 🎉. Just search-and-replace ReasonRelay to RescriptRelay, and reason-relay to rescript-relay, and you should be fine.
  • defaultRenderPolicy on Environment is gone. It defaults to Partial and will be removed in Relay centrally. Migration strategy: Just remove the config.
  • renderPolicy is now 100% gone from the API. Relay will remove this in the next release (everything will always be what as previously Partial), and there should be no practical downsides to using Partial as opposed to Full. Migration strategy: Remove any usage of renderPolicy.

New bindings

  • Any fragment with a @connection directive now also exposes a Fragment.getConnectionID(parentDataId, maybeFilters) function for making it very simple to construct a connection dataId for that particular fragment that can be used with things like @appendNode and friends.
  • A ReasonRelay.getConnectionID(parentDataId, connectionKey, 'filters) is also exposed for the same reason as above, but should be avoided in any situation where the generated function from the fragment can be used.
  • All generated modules (so SomeFragment_user_graphql.res that's generated by the compiler)
  • SuspenseList is now bound via ReactExperimental again since the current RescriptReact bindings to that is broken.

0.15.0

Here's a commit showing a project being upgraded to this version

This is the final release before ReasonRelay will rename to RescriptRelay! Do this to upgrade:

  1. We now depend on @rescript/react instead of reason-react. Remove reason-react and add @rescript/[email protected].
  2. The compiler now outputs res instead of re. For this to work smoothly, you should delete your entire __generated__ directory and re-run the ReasonRelay compiler.

Upgrade versions

Remove reason-react and add @rescript/[email protected].

Breaking changes

  • Internal functions generated by the PPX are now actually marked as private. This should not be a breaking change unless you somehow rely on things from the Internal module generated by each extension node, which you shouldn't be anyway.

New bindings

  • Bind Environment.retain (a way to ensure a specific query is not garbage collected). @webican
  • Add Query.retain(~environment, ~variables) as a way of retaining a query so it's not garbade collected. More info in the Relay docs here on what that means.

Fixes & misc

  • Binaries are now statically linked on Linux, which means that build issues on things like Vercel and Netlify should now be gone. @fakenickels (and honorary mention bdj)
  • The compiler now outputs res files and syntax instead of re syntax. In order to make this work smoothly, make sure you remove all contents of your __generated__ folder before you re-run the Relay compiler after upgrading.
  • Fix a bug where store updater directives on scalars (like deletedUserId) would not have their connection array arg type transformed from string to dataId.

0.14.0

Here's a commit showing a project being upgraded to this version

This release brings new versions of Relay and React, and a few other minor changes.

Upgrade versions

  • react to 0.0.0-experimental-4e08fb10c
  • react-dom to 0.0.0-experimental-4e08fb10c
  • react-relay to 0.0.0-experimental-4c4107dd
  • relay-compiler to 10.1.3
  • relay-config to 10.1.3
  • relay-runtime to 10.1.3

Breaking changes

  • BREAKING CHANGE Lists of connection ids passed into the store updater directives (@appendEdge, @appendNode, etc) are now properly typed a array<ReasonRelay.dataId> rather than array<string>.

Fixes & misc

  • /* @generated */ JS comment is now preserved in the output, helping various tooling understand that the generated files are indeed generated.
  • Prebuilt JS files are now shipped with the package to simplify building a project without needing to build your ReScript project again. Warning: This is not "officially" supported in the sense that if you use this, you're on your own. We still recommend you to always build your ReScript project before delivering it, and not relying on prebuilt files.
  • Added comment to generated connection record types, giving a hint to use the generated getConnectionNodes helper for turning a connection into a list of non-nullable nodes.

0.13.0

Here's a commit showing a project being upgraded to this version

Make sure you read the breaking changes below!

This release marks the start of ReasonRelay's journey towards two things:

  1. Supporting the new Relay Rust compiler. While this release still uses the JS based compiler, it takes steps needed to support the Rust based compiler in the future.
  2. Fully embracing ReScript.

Point 1 is something that you as a user will hopefully notice a minimal amount of churn from. But point 2 is important to address. In sum, the following will happen in the coming months:

  • ReasonRelay will be renamed, probably to ReScriptRelay.
  • ReasonML and ReScript syntax will continue to be supported for the foreseeable future, but I will focus my tooling and documentation efforts on ReScript.
  • Docs will be converted to ReScript (this is 90% done).
  • A dedicated VSCode extension I'm working on will be released, only supporting ReScript syntax (sneak peak already released).
  • Source files emitted by the compiler will eventually be converted to .res files rather than .re files.

The reason for all of this is simply that I believe ReScript is where the future is at, and I don't have the resources to focus my efforts on tooling etc for two syntaxes. I love ReasonML and its syntax, but I've still come to the conclusion that ReScript syntax is what will the most powerful alternative in the future.

Check out the sneak peak release of the dedicated VSCode extension.

Breaking changes

  • BREAKING CHANGE Operations are now defined through a single extension node rather than multiple per operation type. relay.fragment, relay.query etc are now gone. What was previously [%relay.fragment {| fragment Blabla on Blabla {....|}] should now instead be: [%relay {| fragment Blabla on Blabla {....|}].

Migration path: Install comby, and run this command in your root (for .re files): comby '%relay.:[~(fragment|subscription|mutation|query)]' '%relay' -i .re -exclude-dir node_modules, or this command for .res files: comby '%relay.:[~(fragment|subscription|mutation|query)]' '%relay' -i .res -matcher .re -exclude-dir node_modules. That will take care of migrating all of your extension points.

  • BREAKING CHANGE Add binding for passing uploadables to network fetch functions. This is breaking because it changes the signature of fetchFunctionPromise and fetchFunctionObservable to include another argument uploadables. Migration path: What was previously something like let fetchQuery: ReasonRelay.Network.fetchFunctionPromise = (operation, variables, _cacheConfig) => {...} should now be let fetchQuery: ReasonRelay.Network.fetchFunctionPromise = (operation, variables, _cacheConfig, _uploadables) => {...}. Read more in the API reference section of the docs. (@hariroshan)

New bindings

  • Add back Query.fetchPromised to simplify working with SSR.
  • Bind id in operation to allow using persisted queries. (@hariroshan)

Fixes & misc

  • Almost the entire Reason codegen has moved from being JS based to Reason native. As a user you shouldn't really notice anything other than the builds being a bit quicker. This is mainly a preparation for the upcoming Relay Rust compiler.

0.12.1

A quick patch with a bug fix.

Fixes & misc

  • Fix a bug where @raw_response_type together with unions would crash the type generation.

0.12.0

This release packs a bunch of new, cool things! Full list of details below, but some highlights:

  • Support for using ReasonRelay with ReScript (@sorenhoyer)
  • Relay 10.1.0

Check out this for an example diff of upgrading a project.

This version also reverts back to shipping our own bindings for ReactExperimental. It's likely that React will remain in experimental for a while longer with concurrent mode, and we don't want to be tied to the bindings in ReasonReact, since they usually take a while to update. Hence this change.

A big thanks to all contributors who's helped pack this release with great changes. It contains a bit of churn (and the coming releases probably will too), but hopefully nothing that isn't easily handled.

Upgrade versions

  • react to 0.0.0-experimental-4ead6b530
  • react-dom to 0.0.0-experimental-4ead6b530
  • react-relay to 0.0.0-experimental-c818bac3
  • relay-compiler to 10.1.0
  • relay-config to 10.1.0
  • relay-runtime to 10.1.0
  • bs-platform to 8.3.3 (recommended, but not required)

FAQ

  • If you get an error with bs-platform > 8.3.0 for code looking like this let ReasonRelay.{data, hasNext} = ..., just remove ReasonRelay. from that code and the error should be gone. Later versions of bs-platform now properly infer record destruction, which prior versions did not do.

Breaking changes

  • BREAKING CHANGE Replace unsetValue with setValueToUndefined and setValueToNull #105 (@tsnobip)
  • BREAKING CHANGE Replace React.useTransition(~config={timeoutMs: 5000}, ()) with ReactExperimental.unstable_useTransition() #121 (@sorenhoyer)
  • BREAKING CHANGE Replace React.useDeferredValue with ReactExperimental.unstable_useDeferredValue #121 (@sorenhoyer)
  • BREAKING CHANGE Replace ReactDOMRe.Experimental.createRoot with ReactDOMExperimental.unstable_createRoot #121 (@sorenhoyer)
  • BREAKING CHANGE Remove Query.fetchPromised. Users can convert the fetch to a promise themselves if needed. (@zth)
  • BREAKING CHANGE Remove Mutation.commitMutationPromised. Users can convert the mutation to a promise themselves if needed. (@zth)

New bindings

  • Bind Store.publish(), which allows you to publish a RecordSource to your current store. Useful for various SSR cases (think Next.js and similar). (@zth)
  • Bind readInlineData for fragments annotated with @inline #117 (@zth)
  • Clean bindings, renamed internal raw types and functions with names ending with Raw #105 (@tsnobip)

Fixes & misc

  • Relay upgraded to 10.1.0 (@zth)
  • Generate a commitLocalPayload for any query annotated with @raw_response_type, to allow comitting local only payloads in a type safe way. #118 (@zth)
  • Use abstract records instead of Js.t objects for a more robust type-check and to avoid undefined fields #105 (@tsnobip)
  • Add support for parsing ReScript (.res) files #115 (@sorenhoyer)
  • Move a bunch of things from the bindings to the PPX. This will simplify a lot of things, improve the type safety some, and pave the way for some pretty interesting upcoming editor tooling. (@zth)
  • Remove internal_cleanVariablesRaw, since bs-platform since 7.3 does what that did by default. (@zth)

0.11.0

Another release, primarily to enable zero cost enums via bs-platform 8.2.0. No new Relay version, and hopefully a managable amount of breaking changes.

Check out this for an example diff of upgrading a project.

Upgrade versions

  • bs-platform@^8.2.0 Note this must be 8.2.0 as we rely on things from that release.

Breaking changes

  • BREAKING CHANGE All enums are now zero cost as bs-platform > 8.2.0 models polyvariants without payloads as strings. This does however force us to remove the FutureAddedValue(string) case, but it's worth it in the long run. Migration path: Where you previously matched on FutureAddedValue(_), now instead match on a default _. So FutureAddedValue(_) => ... becomes _ => .... But hey, maybe you were using that string FutureAddedValue provided?! You can still get it, every module with enums will now contain toString functions for turning your enum into an actual string. If you have an enum called OnlineStatus, your module will have a function like Fragment.onlineStatus_toString(enumGoesHere).
  • BREAKING CHANGE All getConnectionNodes_path_to_connection generated functions are now named just getConnectionNodes, since Relay only allows a single @connection per operation/fragment, which makes name clashes impossible. Migration path: Rename all calls to getConnectionNodes_some_path_here to just getConnectionNodes.
  • BREAKING CHANGE All refetch functions now properly return a Disposable.t. Migration path: Handle the new return properly, via let _ = refetch(...) or refetch(...)->ignore for example.

New bindings

No new bindings this release.

Fixes & misc

  • Fixed a bug where fragmentRefs would produce a circular reference which can't be stringified.
  • Types are now always emitted as recursive, fixing a bug where types wouldn't/can't be printed in the right order.

0.10.0

A new, fresh release! This brings Relay to version 10.0.1, binds a bunch of new things, and changes a few APIs (and their implementations) to be more ergonomic.

I'd like to highlight contributions from Arnarkari93, tsnobip and wokalski, who all have made significant and great contributions for this release.

Check out this for an example diff of upgrading a project.

Upgrade versions

  • reason-react@^0.9.1
  • bs-platform@^8.0.3 (although anything > 7 should work)
  • react-relay to 0.0.0-experimental-8058ef82, the rest of the Relay packages to 10.0.1

Breaking changes

  • Bindings in ReactExperimental for Suspense, SuspenseList, ConcurrentModeRoot.render, createRoot and useTransition have been moved to the official community bindings in Reason-React. Migration path: Change ReactExperimental to just React for said modules and functions.
  • Fragment refs are now typed through polymorphic variants. Previously, all fragment refs for an object would be retrieved by doing someObject.getFragmentRefs(). That call would return a Js.t object containing all fragment references, which would then be structurally matched to ensure fragment type safety. This is now replaced with a regular prop called fragmentRefs that'll appear on any object with fragments spread. This improves the experience of using fragments immensely. Migration path: Where you previously did someObj.getFragmentRefs() now do someObj.fragmentRefs instead.
  • The top level node field is now enhanced by a) collapsing the union it was previously typed as if there's only one selection anyway, and b) automatically resolve any existing node from the cache through the node root field.
  • Query.fetch and Query.fetchPromised now need to be applied with () unless all args are specified. Two new args have been added: fetchPolicy, which controls cache behavior at the store level, and networkCacheConfig which controls caching at the network layer. Migration path: Add a trailing () to all Query.fetch and Query.fetchPromised calls.
  • What was previously called Query.preload is now called Query.load, to align with Relay's naming. The return type of Query.load has also been renamed to queryRef (from preloadToken), and all names related to that have been changed accordingly. Migration path: Change all Query.preload to Query.load.
  • Observable.make returns the optional subscription object. The sink provided by Observable now also has the correct complete prop (completed -> complete). And, Observable.t now correctly takes a type param for the 'response; Observable.t('response).

New bindings

  • Add toPromise binding for Observable, allowing for an easy way of turning an observable into a promise.
  • Bindings for queryCacheExpirationTime (setting an expiration time for all cache items in ms) when creating the store.
  • Bind useSubscribeToInvalidationState, which allows listening and reacting to invalidations of records in the store.
  • Bind and document Query.useLoader.
  • Bind RelayFeatureFlags.

Fixes & misc

  • Cleaned up the bindings to Relay and their interface files to reduce runtime size
  • Fix refetching with pagination when the parent queries have variables that are left unchanged in the refetch

0.9.2

  • Automatic conversion of custom scalars! Heavily inspired by the upcoming graphql_ppx release which also has this, it's now possible to have ReasonRelay automatically convert your custom scalars at runtime. More info in the docs for custom scalars.

0.9.1

  • Fix bug with bs-platform >7.3.0.

0.9.0

  • BREAKING CHANGE preload is now only exposed via the generated module, not via what's generated by the PPX. This is to reduce confusion of which one to use. If you previously used Query.preload, you should now use OperationNameOfYourQuery_graphql.preload.
  • preloadToken can now be converted to an observable and a promise. This is paving the way for doing SSR efficiently.
  • Fragments can now be on unions, which previously wasn't supported in ReasonRelay (but has always been valid in Relay itself). Thanks to Arnar Kári Ágústsson for finding this!
  • BREAKING CHANGE All variants of doing mutations will no longer get an optional 'response in its onComplete handlers (or in the Belt.Result.t for commitMutationPromised). Thanks to Renan for finding this issue, and for the initial fix.
  • Fragments now have a Fragment.useOpt that take an optional fragment ref object, and returns an optional 'fragment. This is useful for scenarios where you haven't fetched data for a fragment yet, but it still makes sense to have the fragment hook present in your render body. Pass None to Fragment.useOpt and you'll get None back.

0.8.3

  • preload for queries are now exposed right on the raw generated GraphQL module coming from the Relay compiler, in addition to on the module generated from the PPX. This primarily paves the way for effective code splitting.

0.8.2

  • Fix subscriptions function bindings, which was previously wrong (thanks @ Arnarkari93 !)
  • Fix bug when input objects contain circular dependencies.

0.8.1

  • Fix "unused varible this" warning introduced in 0.8.0.

0.8.0

  • Enum + union definitions are now also inlined in the record they appear, to improve editor integrations/hints in the editor.
  • BREAKING CHANGE Tons of changes to APIs for interacting with the store. Too many to list, but they're mostly about changing APIs taking options to allow omitting the optional prop if you apply the function with ().
  • BREAKING CHANGE All generated types now reside in YourModule.Types and are named according to at what path they were found. This includes unions as well. So, if you were previously relying on using the generated types manually for annotation, you can now find them all inside of YourModule.Types, named after the path in the fragment/operation where they are located.
  • A promise based version of Query.fetch called fetchPromised added. Also a promise based version of Mutation.commitMutation called commitMutationPromised added.
  • commitMutation result type changed to the actual 'response rather than Js.Json.t. However, this is actually unsafe, because 'response may have been altered by the updater of the mutation. However, this case is so uncommon that it's better to support the broad use case of accessing the actual 'response in the complete handler.
  • reason-promise is now a peer dependency.

0.7.0

  • BREAKING CHANGE SchemaAssets.re has been retired. If you were relying on code from there for converting enums to/from strings, you can now find equivalent functions attached on your ModuleName.Operation.unwrap_enum_EnumName (for string -> polymorphic variant) and ModuleName.Operation.wrap_enum_EnumName (polymorphic variant -> string). You may need to remove the old SchemaAssets.re manually.
  • BREAKING CHANGE commitMutation no longer returns a promise, but a Disposable.t instead. It now uses callbacks (which is how Relay handles this natively anyway) onCompleted and onError to indicate done/error states.
  • BREAKING CHANGE The fetch function generated by [%relay.query] no longer returns a promise, but rather uses a new callback onResult to deliver the result as a proper Result.t. If you previously did Query.fetch(~environment, ~variables=...) |> Js.Promise.then_(res => ...) you should now do Query.fetch(~environment, ~variables=..., ~onResult=res => switch(res) { | Ok(res) => ... | Error(_) => ... }) and handle Result.t accordingly. This is part of an ongoing effort to remove the dependencies on promises, and to improve type inference which wasn't working out here before.
  • BREAKING CHANGE FutureAddedValue(Js.Json.t) for unions/interfaces is now UnselectedUnionMember(string) where string is the __typename, because... well, this makes more sense.

0.6.0

  • Rename object properties if reserved words are encountered. E.g. input SomeGraphQLInput { and: String! } will now produce this type: type someGraphQLInput = { [@bs.as "and"] and_: string }.
  • Emit maker functions for any input object with at least one optional prop. This is to greatly simplify working with complex input objects with lots of properties.
  • Fix bug with null inputs wouldn't be properly filtered when refetching connections.
  • BREAKING CHANGE Rename unknown enum and union values to FutureAddedValue(payload) to align with convention discussed with the folks behind graphql_ppx.
  • BREAKING CHANGE Bind RenderPolicy for control over whether Relay is allowed to partially render the UI with the data it already has while fetching. This is a breaking change because it changes the signature for Query.usePreloaded from usePreloaded(token) to usePreloaded(~token: token, ~renderPolicy: renderPolicy=?, ()).
  • Bind APIs for invalidating store records and the full store for forcing refetches etc. RecordProxy.invalidateRecord and RecordSourceProxy.invalidateStore.
  • Bind useMutation from Relay experimental, giving us a cleaner and nicer hooks based API for doing mutations, rather than just commitMutation.
  • POTENTIALLY BREAKING CHANGE All record types for all GraphQL operations are now emitted with their name as the path they're found at joined together. Previously, I was being smart and setting the name to the simplest possible, but this will enable some smart tooling down the line.

0.5.3

  • Fix bug where complex inputs (nested objects) were not automatically converted.
  • RecordProxy now has functions for unsetting values unsetValue/unsetLinkedRecord/unsetLinkedRecords, for more fine-grained control of the cache.

0.5.2

  • Inlines enum definition in generated files to improve code lens/view definition in editors. Previously, all that would show up when hovering an enum would be SchemaAssets.Enum_enumName.t, but now the full enum definition will show. This will work fine with SchemaAssets since polymorphic variants match structurally, so the definitions will be equivalent.
  • Inlines union definition and references that in the local types, for the same reason as enums - improving code lens/view definition.
  • Autogenerate helper function for turning a @connection into an array of nodes. This replaces the functionality of the previous ReasonRelayUtils.collectConnectionNodes that's no longer usable after moving from Js.t to records.
  • BREAKING CHANGE Move from manually unwrapping fragments via a unique function per record (Like user->Fragment.unwrapFragment_user) to instead using a function to each record called getFragmentRefs() that extracts the fragments refs needed. This means user->Fragment.unwrapFragment_user is now instead simply user.getFragmentRefs(). Should be much more ergonomic, and hopefully make more sense.

0.5.1

  • Fix nasty bug with new record types generation and autodecoding where things nested inside of unions would not be autodecoded.

0.5.0

  • Adds validation for illegal field names (reserved words and capitalized words are illegal as field names in Reason) to the Relay compiler.
  • Moves validation of explicit __typename selection to Relay compiler, from the PPX.
  • Upgrade to BuckleScript 7, and convert lots of things to use records instead of Js.t under the hood.
  • BREAKING CHANGE Add 'response as second parameter to mutation/subscription updater functions. This was simply not bound before in ReasonRelay, but Relay has always provided it.
  • BREAKING CHANGE Change signature of loadNext / loadPrevious pagination functions to follow the convention of providing only the arguments wanted and applying the function manually via unit. This: loadNext(~count=2, ~onComplete=None) will now instead be applied like loadNext(~count=2, ()).
  • BREAKING CHANGE Replace module SuspenseConfig with simple record suspenseConfig.
  • BREAKING CHANGE Bump Relay versions to 8.0.0 and react-relay to 0.0.0-experimental-5f1cb628.
  • Fix bug with unused generated files not being deleted by the Relay compiler.
  • Bind generateClientID, generateUniqueClientID and isClientID helpers.
  • SUPER BREAKING CHANGE All emitted types are now records instead of Js.t, and Js.Nullable.t/enums/unions are now autoconverted with no manual intervention needed. This should greatly simplify working with ReasonRelay.
  • BREAKING CHANGE Remove collectConnectionNodes from ReasonRelayUtils, since it operated on Js.t and nothing is typed as Js.t anymore.

0.4.4

  • Moved ReactSuspenseConfig module to ReactExperimental and renamed it to simply SuspenseConfig.
  • Added abstract type recordSourceRecords to represent the records from the store serialized to a saveable format.
  • Allow passing initial recordSourceRecords to RecordSource.make().
  • Add full chain of methods needed to serialize the records from the store of the current environment, like: environment->Environment.getStore->Store.getSource->RecordSource.toJSON.

0.4.3

  • BREAKING CHANGE Added gcReleaseBufferSize to creation of store, which is breaking because it turns the signature for make from RecordSource.t => t to (~source: RecordSource.t, ~gcReleaseBufferSize: option(int), ()) => t.

0.4.2

  • ReactExperimental is now included in the distributed package.

0.4.1

  • ReasonRelay now depends on react@experimental and react-dom@experimental.
  • Added useTransition, useDeferredValue, <Suspense />, <SuspenseList />, createRoot and createRootAtElementWithId experimental API bindings to ReactExperimental.
  • Added ReactExperimental module for binding experimental React APIs.