Merge branch 'main' into fix/47969

.dockerignore

@@ -20,7 +20,6 @@ scripts/run.bat
 scripts/word2md.js
 scripts/buildProtocol.js
 scripts/ior.js
-scripts/authors.js
 scripts/configurePrerelease.js
 scripts/open-user-pr.js
 scripts/open-cherry-pick-pr.js

.eslintignore

@@ -1,4 +1,22 @@
+**/node_modules/**
 /built/local/**
 /tests/**
 /lib/**
 /src/lib/*.generated.d.ts
+# Ignore all compiled script outputs
+/scripts/*.js
+# But, not the ones that are hand-written.
+# TODO: remove once scripts are pure JS
+!/scripts/browserIntegrationTest.js
+!/scripts/createPlaygroundBuild.js
+!/scripts/failed-tests.js
+!/scripts/find-unused-diagnostic-messages.js
+!/scripts/lint-hooks.js
+!/scripts/perf-result-post.js
+!/scripts/post-vsts-artifact-comment.js
+!/scripts/regenerate-unicode-identifier-parts.js
+!/scripts/run-sequence.js
+!/scripts/update-experimental-branches.js
+/scripts/eslint/built/**
+/internal/**
+/coverage/**

.eslintplugin.js

@@ -0,0 +1,12 @@
+const fs = require("fs");
+const path = require("path");
+
+const rulesDir = path.join(__dirname, "scripts", "eslint", "rules");
+const ext = ".js";
+const ruleFiles = fs.readdirSync(rulesDir).filter((p) => p.endsWith(ext));
+
+module.exports = {
+    rules: Object.fromEntries(ruleFiles.map((p) => {
+        return [p.slice(0, -ext.length), require(path.join(rulesDir, p))];
+    })),
+}

.eslintrc.json

@@ -2,7 +2,6 @@
     "parser": "@typescript-eslint/parser",
     "parserOptions": {
         "warnOnUnsupportedTypeScriptVersion": false,
-        "ecmaVersion": 6,
         "sourceType": "module"
     },
     "env": {
@@ -11,11 +10,23 @@
         "es6": true
     },
     "plugins": [
-        "@typescript-eslint", "jsdoc", "no-null", "import"
+        "@typescript-eslint", "jsdoc", "no-null", "import", "eslint-plugin-local"
+    ],
+    "overrides": [
+        // By default, the ESLint CLI only looks at .js files. But, it will also look at
+        // any files which are referenced in an override config. Most users of typescript-eslint
+        // get this behavior by default by extending a recommended typescript-eslint config, which 
+        // just so happens to override some core ESLint rules. We don't extend from any config, so
+        // explicitly reference TS files here so the CLI picks them up.
+        //
+        // ESLint in VS Code will lint any opened file (so long as it's not eslintignore'd), so
+        // that will work regardless of the below.
+        { "files": ["*.ts", "*.mts", "*.cts", "*.mjs", "*.cjs"] }
     ],
     "rules": {
         "@typescript-eslint/adjacent-overload-signatures": "error",
         "@typescript-eslint/array-type": "error",
+        "@typescript-eslint/no-array-constructor": "error",
 
         "brace-style": "off",
         "@typescript-eslint/brace-style": ["error", "stroustrup", { "allowSingleLine": true }],
@@ -51,12 +62,14 @@
         "@typescript-eslint/prefer-for-of": "error",
         "@typescript-eslint/prefer-function-type": "error",
         "@typescript-eslint/prefer-namespace-keyword": "error",
+        "@typescript-eslint/prefer-as-const": "error",
 
         "quotes": "off",
         "@typescript-eslint/quotes": ["error", "double", { "avoidEscape": true, "allowTemplateLiterals": true }],
 
         "semi": "off",
         "@typescript-eslint/semi": "error",
+        "@typescript-eslint/no-extra-semi": "error",
 
         "space-before-function-paren": "off",
         "@typescript-eslint/space-before-function-paren": ["error", {
@@ -69,21 +82,23 @@
         "@typescript-eslint/type-annotation-spacing": "error",
         "@typescript-eslint/unified-signatures": "error",
 
+        "@typescript-eslint/no-extra-non-null-assertion": "error",
+
         // scripts/eslint/rules
-        "object-literal-surrounding-space": "error",
-        "no-type-assertion-whitespace": "error",
-        "type-operator-spacing": "error",
-        "only-arrow-functions": ["error", {
+        "local/object-literal-surrounding-space": "error",
+        "local/no-type-assertion-whitespace": "error",
+        "local/type-operator-spacing": "error",
+        "local/only-arrow-functions": ["error", {
             "allowNamedFunctions": true ,
             "allowDeclarations": true
         }],
-        "no-double-space": "error",
-        "boolean-trivia": "error",
-        "no-in-operator": "error",
-        "simple-indent": "error",
-        "debug-assert": "error",
-        "no-keywords": "error",
-        "one-namespace-per-file": "error",
+        "local/no-double-space": "error",
+        "local/boolean-trivia": "error",
+        "local/no-in-operator": "error",
+        "local/simple-indent": "error",
+        "local/debug-assert": "error",
+        "local/no-keywords": "error",
+        "local/one-namespace-per-file": "error",
 
         // eslint-plugin-import
         "import/no-extraneous-dependencies": ["error", { "optionalDependencies": false }],
@@ -132,6 +147,9 @@
         "quote-props": ["error", "consistent-as-needed"],
         "space-in-parens": "error",
         "unicode-bom": ["error", "never"],
-        "use-isnan": "error"
+        "use-isnan": "error",
+        "no-prototype-builtins": "error",
+        "no-self-assign": "error",
+        "no-dupe-else-if": "error"
     }
 }

.github/pr_owners.txt

@@ -1,16 +1,14 @@
 sandersn
-elibarzilay
 weswigham
 andrewbranch
 RyanCavanaugh
 sheetalkamat
-orta
 rbuckton
 ahejlsberg
 amcasey
-jessetrinity
 minestarks
 armanio123
 gabritto
 jakebailey
 DanielRosenwasser
+navya9singh

.github/workflows/ci.yml

@@ -11,7 +11,7 @@ on:
       - release-*
 
 jobs:
-  build:
+  test:
     runs-on: ubuntu-latest
 
     strategy:
@@ -24,31 +24,46 @@ jobs:
 
     steps:
     - uses: actions/checkout@v3
-      with:
-        fetch-depth: 5
     - name: Use node version ${{ matrix.node-version }}
       uses: actions/setup-node@v3
       with:
         node-version: ${{ matrix.node-version }}
         check-latest: true
-    - name: Remove existing TypeScript
-      run: |
-        npm uninstall typescript --no-save
-        npm uninstall tslint --no-save
     - run:  npm ci
 
-    # Re: https://github.com/actions/setup-node/pull/125
-    - name: Register Problem Matcher for TSC
-      run: echo "##[add-matcher].github/tsc.json"
-
     - name: Tests
-      run:  npm test -- --no-lint
+      run:  npm test
+
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - uses: actions/setup-node@v3
+      with:
+        node-version: "*"
+        check-latest: true
+    - run:  npm ci
 
     - name: Linter
-      run:  npm run lint:ci
+      run:  npm run lint
+
+  browser-integration:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - uses: actions/setup-node@v3
+      with:
+        node-version: "*"
+        check-latest: true
+    - run:  npm ci
 
     - name: Adding playwright
       run: npm install --no-save --no-package-lock playwright
 
+    - name: Build local
+      run: gulp local
+
     - name: Validate the browser can import TypeScript
       run: gulp test-browser-integration

.github/workflows/release-branch-artifact.yaml

@@ -12,10 +12,6 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - uses: actions/setup-node@v3
-    - name: Remove existing TypeScript
-      run: |
-        npm uninstall typescript --no-save
-        npm uninstall tslint --no-save
     - name: npm install and test
       run: |
         npm ci

.github/workflows/twoslash-repros.yaml

@@ -8,35 +8,31 @@ on:
     - cron:  '0 8 * * *'
   repository_dispatch:
     types: run-twoslash-repros
-  issues:
-    types:
-      - labeled
   workflow_dispatch:
     inputs:
-      bisect_issue:
-        description: Triggers a bisect request on the given issue number instead of updating repros on all issues
+      issue:
+        description: Limits run to a single issue.
+        required: false
+        type: string
+      bisect:
+        description: If set, runs a git bisect on an existing repro. Requires 'issue' to be set. Value can be revision labels (e.g. `good v4.7.3 bad main`) or `true` to infer bisect range.
         required: false
         type: string
 
 jobs:
   run:
-    if: ${{ github.repository == 'microsoft/TypeScript' && !github.event.label && !github.event.inputs.bisect_issue }}
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/setup-node@v3
-    - uses: microsoft/TypeScript-Twoslash-Repro-Action@master
-      with:
-        github-token: ${{ secrets.TS_BOT_GITHUB_TOKEN }}
-
-  bisect:
-    if: ${{ github.event.label.name == 'Bisect Repro' || github.event.inputs.bisect_issue }}
+    if: ${{ github.repository == 'microsoft/TypeScript' }}
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - if: ${{ github.event.inputs.bisect }}
+      uses: actions/checkout@v3
       with:
         fetch-depth: 0
+    - if: ${{ !github.event.inputs.bisect }}
+      uses: actions/checkout@v3
     - uses: actions/setup-node@v3
     - uses: microsoft/TypeScript-Twoslash-Repro-Action@master
       with:
         github-token: ${{ secrets.TS_BOT_GITHUB_TOKEN }}
-        bisect: ${{ github.event.issue.number || github.event.inputs.bisect_issue }}
+        issue: ${{ github.event.inputs.issue }}
+        bisect: ${{ github.event.inputs.bisect }}

.github/workflows/update-package-lock.yaml

@@ -14,15 +14,18 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
+      with:
+        token: ${{ secrets.TS_BOT_GITHUB_TOKEN }}
     - uses: actions/setup-node@v3
       with:
-        node-version: 14
+        node-version: 16
 
     - name: Configure git and update package-lock.json
       run: |
         git config user.email "typescriptbot@microsoft.com"
         git config user.name "TypeScript Bot"
-        npm install --package-lock-only --ignore-scripts
+        rm package-lock.json
+        npm install --package-lock-only --ignore-scripts # This is a no-op if package-lock.json is present.
         git add -f package-lock.json
         if git commit -m "Update package-lock.json"; then
           git push

.gitignore

@@ -43,7 +43,6 @@ scripts/run.bat
 scripts/word2md.js
 scripts/buildProtocol.js
 scripts/ior.js
-scripts/authors.js
 scripts/configurePrerelease.js
 scripts/configureLanguageServiceBuild.js
 scripts/open-user-pr.js
@@ -54,6 +53,7 @@ scripts/produceLKG.js
 scripts/importDefinitelyTypedTests/importDefinitelyTypedTests.js
 scripts/generateLocalizedDiagnosticMessages.js
 scripts/request-pr-review.js
+scripts/errorCheck.js
 scripts/*.js.map
 scripts/typings/
 coverage/