Mark 5.9 as shipped, 6.0 as supported, 5.1 as unsupported (#1190)

jakebailey · web-flow · commit e495a936c737 · 2025-08-01T19:37:34.000Z
diff --git a/.changeset/odd-books-beam.md b/.changeset/odd-books-beam.md
@@ -0,0 +1,11 @@
+---
+"@definitelytyped/typescript-packages": patch
+"@definitelytyped/typescript-versions": patch
+"@definitelytyped/definitions-parser": patch
+"@definitelytyped/eslint-plugin": patch
+"@definitelytyped/dts-critic": patch
+"dts-gen": patch
+"@definitelytyped/dtslint": patch
+---
+
+Mark 5.9 as shipped, 6.0 as supported, 5.1 as unsupported
diff --git a/package.json b/package.json
@@ -28,7 +28,7 @@
     "knip": "^5.36.3",
     "prettier": "^3.3.3",
     "ts-jest": "^29.2.5",
-    "typescript": "^5.7.2"
+    "typescript": "^5.9.2"
   },
   "pnpm": {
     "overrides": {
diff --git a/packages/definitions-parser/package.json b/packages/definitions-parser/package.json
@@ -29,7 +29,7 @@
   },
   "devDependencies": {
     "@types/pacote": "^11.1.8",
-    "typescript": "^5.7.2"
+    "typescript": "^5.9.2"
   },
   "peerDependencies": {
     "typescript": "*"
diff --git a/packages/dts-critic/package.json b/packages/dts-critic/package.json
@@ -8,7 +8,7 @@
   },
   "dependencies": {
     "@definitelytyped/header-parser": "workspace:*",
-    "typescript": "^5.7.2",
+    "typescript": "^5.9.2",
     "yargs": "^17.7.2"
   },
   "peerDependencies": {
diff --git a/packages/dts-gen/package.json b/packages/dts-gen/package.json
@@ -26,7 +26,7 @@
   "dependencies": {
     "dts-dom": "^3.7.0",
     "parse-git-config": "^3.0.0",
-    "typescript": "^5.7.2",
+    "typescript": "^5.9.2",
     "yargs": "^17.7.2"
   },
   "devDependencies": {
diff --git a/packages/dtslint/package.json b/packages/dtslint/package.json
@@ -45,7 +45,7 @@
     "@types/eslint": "^8.56.12",
     "@types/semver": "^7.5.8",
     "@types/strip-json-comments": "^3.0.0",
-    "typescript": "^5.7.2"
+    "typescript": "^5.9.2"
   },
   "engines": {
     "node": ">=18.18.0"
diff --git a/packages/eslint-plugin/package.json b/packages/eslint-plugin/package.json
@@ -40,7 +40,7 @@
     "@types/semver": "^7.5.8",
     "glob": "^10.4.5",
     "jest-file-snapshot": "^0.7.0",
-    "typescript": "^5.7.2",
+    "typescript": "^5.9.2",
     "typescript-5.4": "npm:typescript@~5.4.0-0",
     "typescript-5.5": "npm:typescript@~5.5.0-0"
   },
diff --git a/packages/mergebot/package.json b/packages/mergebot/package.json
@@ -42,7 +42,7 @@
     "jest-file-snapshot": "^0.7.0",
     "rimraf": "^5.0.10",
     "seroval": "^1.1.1",
-    "typescript": "^5.7.2"
+    "typescript": "^5.9.2"
   },
   "scripts": {
     "prestart": "pnpm run build",
diff --git a/packages/publisher/package.json b/packages/publisher/package.json
@@ -13,7 +13,7 @@
     "longjohn": "^0.2.12",
     "pacote": "^20.0.0",
     "semver": "^7.6.3",
-    "typescript": "^5.7.2",
+    "typescript": "^5.9.2",
     "yargs": "^17.7.2"
   },
   "devDependencies": {
diff --git a/packages/publisher/test/__snapshots__/generate-packages.test.ts.snap b/packages/publisher/test/__snapshots__/generate-packages.test.ts.snap
@@ -57,7 +57,7 @@ exports[`basicPackageJson 1`] = `
         "@types/express": "*"
     },
     "typesPublisherContentHash": "53300522250468c4161b10d962cac2d9d8f2cfee1b3dfef4b749a7c3ec839275",
-    "typeScriptVersion": "5.1"
+    "typeScriptVersion": "5.2"
 }"
 `;
 
diff --git a/packages/typescript-packages/package.json b/packages/typescript-packages/package.json
@@ -22,14 +22,14 @@
   },
   "dependencies": {
     "@definitelytyped/typescript-versions": "workspace:*",
-    "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-5.5": "npm:typescript@~5.5.0-0",
     "typescript-5.6": "npm:typescript@~5.6.0-0",
     "typescript-5.7": "npm:typescript@~5.7.0-0",
     "typescript-5.8": "npm:typescript@~5.8.0-0",
-    "typescript-5.9": "npm:typescript@~5.9.0-0"
+    "typescript-5.9": "npm:typescript@~5.9.0-0",
+    "typescript-6.0": "npm:typescript@~6.0.0-0"
   }
 }
diff --git a/packages/typescript-versions/src/index.ts b/packages/typescript-versions/src/index.ts
@@ -41,9 +41,9 @@ export type AllTypeScriptVersion = UnsupportedTypeScriptVersion | TypeScriptVers
 
 export namespace TypeScriptVersion {
   /** Add to this list when a version actually ships.  */
-  export const shipped = ["5.1", "5.2", "5.3", "5.4", "5.5", "5.6", "5.7", "5.8"] as const;
+  export const shipped = ["5.2", "5.3", "5.4", "5.5", "5.6", "5.7", "5.8", "5.9"] as const;
   /** Add to this list when a version is available as typescript@next */
-  export const supported = [...shipped, "5.9"] as const;
+  export const supported = [...shipped, "6.0"] as const;
   /** Add to this list when it will no longer be supported on Definitely Typed */
   export const unsupported = [
     "2.0",
@@ -77,6 +77,7 @@ export namespace TypeScriptVersion {
     "4.8",
     "4.9",
     "5.0",
+    "5.1",
   ] as const;
   export const all: readonly AllTypeScriptVersion[] = [...unsupported, ...supported];
   export const lowest = supported[0];
diff --git a/packages/typescript-versions/test/index.test.ts b/packages/typescript-versions/test/index.test.ts
@@ -20,8 +20,8 @@ describe("isSupported", () => {
   it("works", () => {
     expect(TypeScriptVersion.isSupported("5.6")).toBeTruthy();
   });
-  it("supports 5.1", () => {
-    expect(TypeScriptVersion.isSupported("5.1")).toBeTruthy();
+  it("supports 5.2", () => {
+    expect(TypeScriptVersion.isSupported("5.2")).toBeTruthy();
   });
   it("does not support 4.0", () => {
     expect(!TypeScriptVersion.isSupported("4.0")).toBeTruthy();
@@ -30,7 +30,7 @@ describe("isSupported", () => {
 
 describe("isTypeScriptVersion", () => {
   it("accepts in-range", () => {
-    expect(TypeScriptVersion.isTypeScriptVersion("5.1")).toBeTruthy();
+    expect(TypeScriptVersion.isTypeScriptVersion("5.2")).toBeTruthy();
   });
   it("rejects out-of-range", () => {
     expect(TypeScriptVersion.isTypeScriptVersion("101.1")).toBeFalsy();
@@ -42,10 +42,10 @@ describe("isTypeScriptVersion", () => {
 
 describe("range", () => {
   it("works", () => {
-    expect(TypeScriptVersion.range("5.2")).toEqual(["5.2", "5.3", "5.4", "5.5", "5.6", "5.7", "5.8", "5.9"]);
+    expect(TypeScriptVersion.range("5.2")).toEqual(["5.2", "5.3", "5.4", "5.5", "5.6", "5.7", "5.8", "5.9", "6.0"]);
   });
-  it("includes 5.1 onwards", () => {
-    expect(TypeScriptVersion.range("5.1")).toEqual(TypeScriptVersion.supported);
+  it("includes 5.2 onwards", () => {
+    expect(TypeScriptVersion.range("5.2")).toEqual(TypeScriptVersion.supported);
   });
 });
 
@@ -60,11 +60,12 @@ describe("tagsToUpdate", () => {
       "ts5.7",
       "ts5.8",
       "ts5.9",
+      "ts6.0",
       "latest",
     ]);
   });
-  it("allows 5.1 onwards", () => {
-    expect(TypeScriptVersion.tagsToUpdate("5.1")).toEqual(
+  it("allows 5.2 onwards", () => {
+    expect(TypeScriptVersion.tagsToUpdate("5.2")).toEqual(
       TypeScriptVersion.supported.map((s) => "ts" + s).concat("latest"),
     );
   });
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
