chore: update TypeScript to v6 (#20677)

sethamus · web-flow · commit 7bf93d9e79f6 · 2026-04-21T09:21:25.000+02:00
* chore: update TypeScript to v6

* update @typescript-eslint/parser

* update deps
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -116,7 +116,7 @@ jobs:
 
         strategy:
             matrix:
-                typescript: ["5.x", "5.3.2"]
+                typescript: ["6.x", "5.x", "5.3.2"]
                 package:
                     [
                         { name: eslint, directory: . },
diff --git a/docs/package.json b/docs/package.json
@@ -30,7 +30,7 @@
         "@11ty/eleventy-plugin-syntaxhighlight": "^5.0.0",
         "@munter/tap-render": "^0.2.0",
         "@types/markdown-it": "^12.2.3",
-        "@typescript-eslint/parser": "^8.56.0",
+        "@typescript-eslint/parser": "^8.58.2",
         "algoliasearch": "^4.12.1",
         "autoprefixer": "^10.4.13",
         "cross-env": "^7.0.3",
diff --git a/package.json b/package.json
@@ -157,7 +157,7 @@
     "@eslint/json": "^1.2.0",
     "@types/esquery": "^1.5.4",
     "@types/node": "^22.13.14",
-    "@typescript-eslint/parser": "^8.56.0",
+    "@typescript-eslint/parser": "^8.58.2",
     "babel-loader": "^8.0.5",
     "c8": "^11.0.0",
     "chai": "^4.0.1",
@@ -204,7 +204,7 @@
     "semver": "^7.5.3",
     "shelljs": "^0.10.0",
     "sinon": "^11.0.0",
-    "typescript": "^5.9.3",
+    "typescript": "^6.0.3",
     "webpack": "^5.23.0",
     "webpack-cli": "^4.5.0",
     "yorkie": "^2.0.0"
diff --git a/packages/eslint-config-eslint/package.json b/packages/eslint-config-eslint/package.json
@@ -72,7 +72,7 @@
   "devDependencies": {
     "@arethetypeswrong/cli": "^0.18.0",
     "eslint": "^10.0.0",
-    "typescript": "^5.9.3"
+    "typescript": "^6.0.3"
   },
   "peerDependencies": {
     "eslint": "^10.0.0"
diff --git a/tests/pnpm/package.json b/tests/pnpm/package.json
@@ -2,6 +2,6 @@
   "type": "module",
   "dependencies": {
     "eslint": "file:../..",
-    "typescript": "^5.9.3"
+    "typescript": "^6.0.3"
   }
 }

Original file line number	Diff line number	Diff line change
`@@ -116,7 +116,7 @@ jobs:`
`116`	`116`
`117`	`117`	`strategy:`
`118`	`118`	`matrix:`
`119`		`- typescript: ["5.x", "5.3.2"]`
	`119`	`+ typescript: ["6.x", "5.x", "5.3.2"]`
`120`	`120`	`package:`
`121`	`121`	`[`
`122`	`122`	`{ name: eslint, directory: . },`
Original file line number	Diff line number	Diff line change
`@@ -2,6 +2,6 @@`
`2`	`2`	`"type": "module",`
`3`	`3`	`"dependencies": {`
`4`	`4`	`"eslint": "file:../..",`
`5`		`- "typescript": "^5.9.3"`
	`5`	`+ "typescript": "^6.0.3"`
`6`	`6`	`}`
`7`	`7`	`}`