Update for TS 5.4

package.json

@@ -27,7 +27,7 @@
     "knip": "^4.0.2",
     "prettier": "^3.2.2",
     "ts-jest": "^29.1.1",
-    "typescript": "^5.3.3"
+    "typescript": "^5.4.2"
   },
   "pnpm": {
     "overrides": {

packages/definitions-parser/package.json

@@ -29,7 +29,7 @@
   },
   "devDependencies": {
     "@types/pacote": "^11.1.8",
-    "typescript": "^5.3.3"
+    "typescript": "^5.4.2"
   },
   "peerDependencies": {
     "typescript": "*"

packages/dts-critic/package.json

@@ -8,7 +8,7 @@
   },
   "dependencies": {
     "@definitelytyped/header-parser": "workspace:*",
-    "typescript": "^5.3.3",
+    "typescript": "^5.4.2",
     "yargs": "^17.7.2"
   },
   "peerDependencies": {

packages/dts-gen/package.json

@@ -26,7 +26,7 @@
   "dependencies": {
     "dts-dom": "^3.7.0",
     "parse-git-config": "^3.0.0",
-    "typescript": "^5.3.3",
+    "typescript": "^5.4.2",
     "yargs": "^17.7.2"
   },
   "devDependencies": {

packages/dtslint/package.json

@@ -45,7 +45,7 @@
     "@types/eslint": "^8.56.2",
     "@types/semver": "^7.5.5",
     "@types/strip-json-comments": "^3.0.0",
-    "typescript": "^5.3.3"
+    "typescript": "^5.4.2"
   },
   "engines": {
     "node": ">=18.18.0"

packages/eslint-plugin/package.json

@@ -39,7 +39,7 @@
     "glob": "^10.3.10",
     "jest-file-snapshot": "^0.5.0",
     "strip-ansi": "^6.0.1",
-    "typescript": "^5.3.3"
+    "typescript": "^5.4.2"
   },
   "engines": {
     "node": ">=18.18.0"

packages/publisher/package.json

@@ -13,7 +13,7 @@
     "longjohn": "^0.2.12",
     "pacote": "^17.0.5",
     "semver": "^7.5.4",
-    "typescript": "^5.3.3",
+    "typescript": "^5.4.2",
     "yargs": "^17.7.2"
   },
   "devDependencies": {

packages/publisher/test/generate-packages.test.ts

@@ -156,7 +156,7 @@ testo({
         "@types/madeira": "^1"
     },
     "typesPublisherContentHash": "05febc04df55db2687c2ac05a291177c2f4fd90f76d679faaf1b01896fe5600c",
-    "typeScriptVersion": "4.6"
+    "typeScriptVersion": "4.7"
 }`);
   },
   basicNotNeededPackageJson() {

packages/typescript-packages/package.json

@@ -22,14 +22,14 @@
   },
   "dependencies": {
     "@definitelytyped/typescript-versions": "workspace:*",
-    "typescript-4.6": "npm:typescript@~4.6.0-0",
     "typescript-4.7": "npm:typescript@~4.7.0-0",
     "typescript-4.8": "npm:typescript@~4.8.0-0",
     "typescript-4.9": "npm:typescript@~4.9.0-0",
     "typescript-5.0": "npm:typescript@~5.0.0-0",
     "typescript-5.1": "npm:typescript@~5.1.0-0",
     "typescript-5.2": "npm:typescript@~5.2.0-0",
     "typescript-5.3": "npm:typescript@~5.3.0-0",
-    "typescript-5.4": "npm:typescript@~5.4.0-0"
+    "typescript-5.4": "npm:typescript@~5.4.0-0",
+    "typescript-5.5": "npm:typescript@~5.5.0-0"
   }
 }

packages/typescript-versions/src/index.ts

@@ -6,7 +6,7 @@ import assert from "assert";
 
   For the RC:
 
-  1. Add a new version to the end of `TypeScriptVersion` and `supported`.
+  1. Add a new version to the end of `supported`.
     `supported` now contains the shipped versions, the RC, and the nightly.
   2. Add the new version to `packages/typescript-packages/package.json`.
   3. Update failing tests.
@@ -20,10 +20,9 @@ import assert from "assert";
 
   # How to deprecate an old version on Definitely Typed #
 
-  1. Move the old version from `TypeScriptVersion` to `UnsupportedTypeScriptVersion`.
-  2. Move the old version from `shipped` to `unsupported`.
-  3. Remove the old version from `packages/typescript-packages/package.json`.
-  4. Update failing tests.
+  1. Move the old version from `shipped` to `unsupported`.
+  2. Remove the old version from `packages/typescript-packages/package.json`.
+  3. Update failing tests.
 
   Currently, it's possible to release a new version and deprecate an old version
   at the same time because of the way release schedule overlaps.
@@ -42,9 +41,9 @@ export type AllTypeScriptVersion = UnsupportedTypeScriptVersion | TypeScriptVers
 
 export namespace TypeScriptVersion {
   /** Add to this list when a version actually ships.  */
-  export const shipped = ["4.6", "4.7", "4.8", "4.9", "5.0", "5.1", "5.2", "5.3"] as const;
+  export const shipped = ["4.7", "4.8", "4.9", "5.0", "5.1", "5.2", "5.3", "5.4"] as const;
   /** Add to this list when a version is available as typescript@next */
-  export const supported = [...shipped, "5.4"] as const;
+  export const supported = [...shipped, "5.5"] as const;
   /** Add to this list when it will no longer be supported on Definitely Typed */
   export const unsupported = [
     "2.0",
@@ -73,6 +72,7 @@ export namespace TypeScriptVersion {
     "4.3",
     "4.4",
     "4.5",
+    "4.6",
   ] as const;
   export const all: readonly AllTypeScriptVersion[] = [...unsupported, ...supported];
   export const lowest = supported[0];

packages/typescript-versions/test/index.test.ts

@@ -20,11 +20,11 @@ describe("isSupported", () => {
   it("works", () => {
     expect(TypeScriptVersion.isSupported("5.1")).toBeTruthy();
   });
-  it("supports 4.6", () => {
-    expect(TypeScriptVersion.isSupported("4.6")).toBeTruthy();
+  it("supports 4.7", () => {
+    expect(TypeScriptVersion.isSupported("4.7")).toBeTruthy();
   });
-  it("does not support 4.5", () => {
-    expect(!TypeScriptVersion.isSupported("4.5")).toBeTruthy();
+  it("does not support 4.6", () => {
+    expect(!TypeScriptVersion.isSupported("4.6")).toBeTruthy();
   });
 });
 
@@ -42,19 +42,27 @@ describe("isTypeScriptVersion", () => {
 
 describe("range", () => {
   it("works", () => {
-    expect(TypeScriptVersion.range("4.9")).toEqual(["4.9", "5.0", "5.1", "5.2", "5.3", "5.4"]);
+    expect(TypeScriptVersion.range("4.9")).toEqual(["4.9", "5.0", "5.1", "5.2", "5.3", "5.4", "5.5"]);
   });
-  it("includes 4.6 onwards", () => {
-    expect(TypeScriptVersion.range("4.6")).toEqual(TypeScriptVersion.supported);
+  it("includes 4.7 onwards", () => {
+    expect(TypeScriptVersion.range("4.7")).toEqual(TypeScriptVersion.supported);
   });
 });
 
 describe("tagsToUpdate", () => {
   it("works", () => {
-    expect(TypeScriptVersion.tagsToUpdate("5.0")).toEqual(["ts5.0", "ts5.1", "ts5.2", "ts5.3", "ts5.4", "latest"]);
+    expect(TypeScriptVersion.tagsToUpdate("5.0")).toEqual([
+      "ts5.0",
+      "ts5.1",
+      "ts5.2",
+      "ts5.3",
+      "ts5.4",
+      "ts5.5",
+      "latest",
+    ]);
   });
-  it("allows 4.6 onwards", () => {
-    expect(TypeScriptVersion.tagsToUpdate("4.6")).toEqual(
+  it("allows 4.7 onwards", () => {
+    expect(TypeScriptVersion.tagsToUpdate("4.7")).toEqual(
       TypeScriptVersion.supported.map((s) => "ts" + s).concat("latest"),
     );
   });