Merge branch 'main' into decorators-stage-3

Author: rbuckton

.eslintignore

@@ -3,7 +3,20 @@
 /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/**

.eslintrc.json

@@ -2,7 +2,6 @@
     "parser": "@typescript-eslint/parser",
     "parserOptions": {
         "warnOnUnsupportedTypeScriptVersion": false,
-        "ecmaVersion": 6,
         "sourceType": "module"
     },
     "env": {
@@ -22,11 +21,12 @@
         //
         // 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"] }
+        { "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 }],
@@ -62,12 +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", {
@@ -80,6 +82,8 @@
         "@typescript-eslint/type-annotation-spacing": "error",
         "@typescript-eslint/unified-signatures": "error",
 
+        "@typescript-eslint/no-extra-non-null-assertion": "error",
+
         // scripts/eslint/rules
         "local/object-literal-surrounding-space": "error",
         "local/no-type-assertion-whitespace": "error",
@@ -143,6 +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/workflows/ci.yml

@@ -32,7 +32,7 @@ jobs:
     - run:  npm ci
 
     - name: Tests
-      run:  npm test -- --no-lint
+      run:  npm test
 
   lint:
     runs-on: ubuntu-latest
@@ -46,7 +46,7 @@ jobs:
     - run:  npm ci
 
     - name: Linter
-      run:  npm run lint:ci
+      run:  npm run lint
 
   browser-integration:
     runs-on: ubuntu-latest

.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 }}

Gulpfile.js

@@ -372,9 +372,6 @@ const lint = eslint(".");
 lint.displayName = "lint";
 task("lint", lint);
 task("lint").description = "Runs eslint on the compiler and scripts sources.";
-task("lint").flags = {
-    "   --ci": "Runs eslint additional rules",
-};
 
 const buildCancellationToken = () => buildProject("src/cancellationToken");
 const cleanCancellationToken = () => cleanProject("src/cancellationToken");
@@ -427,10 +424,8 @@ task("watch-local").flags = {
 const preTest = parallel(buildTsc, buildTests, buildServices, buildLssl);
 preTest.displayName = "preTest";
 
-const postTest = (done) => cmdLineOptions.lint ? lint() : done();
-
 const runTests = () => runConsoleTests("built/local/run.js", "mocha-fivemat-progress-reporter", /*runInParallel*/ false, /*watchMode*/ false);
-task("runtests", series(preBuild, preTest, runTests, postTest));
+task("runtests", series(preBuild, preTest, runTests));
 task("runtests").description = "Runs the tests using the built run.js file.";
 task("runtests").flags = {
     "-t --tests=<regex>": "Pattern for tests to run.",
@@ -442,18 +437,16 @@ task("runtests").flags = {
     "   --dirty": "Run tests without first cleaning test output directories",
     "   --stackTraceLimit=<limit>": "Sets the maximum number of stack frames to display. Use 'full' to show all frames.",
     "   --no-color": "Disables color",
-    "   --no-lint": "Disables lint",
     "   --timeout=<ms>": "Overrides the default test timeout.",
     "   --built": "Compile using the built version of the compiler.",
     "   --shards": "Total number of shards running tests (default: 1)",
     "   --shardId": "1-based ID of this shard (default: 1)",
 };
 
 const runTestsParallel = () => runConsoleTests("built/local/run.js", "min", /*runInParallel*/ cmdLineOptions.workers > 1, /*watchMode*/ false);
-task("runtests-parallel", series(preBuild, preTest, runTestsParallel, postTest));
+task("runtests-parallel", series(preBuild, preTest, runTestsParallel));
 task("runtests-parallel").description = "Runs all the tests in parallel using the built run.js file.";
 task("runtests-parallel").flags = {
-    "   --no-lint": "disables lint.",
     "   --light": "Run tests in light mode (fewer verifications, but tests run faster).",
     "   --keepFailed": "Keep tests in .failed-tests even if they pass.",
     "   --dirty": "Run tests without first cleaning test output directories.",
@@ -616,7 +609,6 @@ task("watch").flags = {
     "   --dirty": "Run tests without first cleaning test output directories",
     "   --stackTraceLimit=<limit>": "Sets the maximum number of stack frames to display. Use 'full' to show all frames.",
     "   --no-color": "Disables color",
-    "   --no-lint": "Disables lint",
     "   --timeout=<ms>": "Overrides the default test timeout.",
     "   --workers=<number>": "The number of parallel workers to use.",
     "   --built": "Compile using the built version of the compiler.",