Merge branch 'master' of https://github.com/microsoft/TypeScript into…

… ts-expect-error

.eslintrc.json

@@ -26,6 +26,10 @@
         "@typescript-eslint/no-inferrable-types": "error",
         "@typescript-eslint/no-misused-new": "error",
         "@typescript-eslint/no-this-alias": "error",
+
+        "no-unused-expressions": "off",
+        "@typescript-eslint/no-unused-expressions": ["error", { "allowTernary": true }],
+
         "@typescript-eslint/prefer-for-of": "error",
         "@typescript-eslint/prefer-function-type": "error",
         "@typescript-eslint/prefer-namespace-keyword": "error",
@@ -36,6 +40,13 @@
         "semi": "off",
         "@typescript-eslint/semi": "error",
 
+        "space-before-function-paren": "off",
+        "@typescript-eslint/space-before-function-paren": ["error", {
+            "asyncArrow": "always",
+            "anonymous": "always",
+            "named": "never"
+        }],
+
         "@typescript-eslint/triple-slash-reference": "error",
         "@typescript-eslint/type-annotation-spacing": "error",
         "@typescript-eslint/unified-signatures": "error",
@@ -97,7 +108,6 @@
         "no-trailing-spaces": "error",
         "no-undef-init": "error",
         "no-unsafe-finally": "error",
-        "no-unused-expressions": ["error", { "allowTernary": true }],
         "no-unused-labels": "error",
         "no-var": "error",
         "object-shorthand": "error",

.github/ISSUE_TEMPLATE/config.yml

@@ -1,11 +1,19 @@
+--- 
 blank_issues_enabled: false
-contact_links:
-  - name: Question
-    url: https://stackoverflow.com/questions/tagged/typescript
-    about: Please ask and answer questions here.
-  - name: TypeScript FAQ
-    url: https://github.com/microsoft/TypeScript/wiki/FAQ
-    about: Please check the FAQ before filing new issues
-- name: Website
-    url: https://github.com/microsoft/TypeScript-Website/issues/new
-    about: Please raise issues about the site on it's own repo.
+contact_links: 
+  - 
+    about: "Please ask and answer usage questions on Stack Overflow."
+    name: Question
+    url: "https://stackoverflow.com/questions/tagged/typescript"
+  - 
+    about: "Alternatively, you can use the TypeScript Community Discord."
+    name: Chat
+    url: "https://discord.gg/typescript"
+  - 
+    about: "Please check the FAQ before filing new issues"
+    name: "TypeScript FAQ"
+    url: "https://github.com/microsoft/TypeScript/wiki/FAQ"
+  - 
+    about: "Please raise issues about the site on it's own repo."
+    name: Website
+    url: "https://github.com/microsoft/TypeScript-Website/issues/new"

.github/pr_owners.txt

@@ -0,0 +1,8 @@
+sandersn
+elibarzilay
+weswigham
+andrewbranch
+RyanCavanaugh
+sheetalkamat
+orta
+rbuckton

.github/workflows/ci.yml

@@ -35,3 +35,6 @@ jobs:
         npm install
         npm update
         npm test
+    - name: Validate the browser can import TypeScript
+      run: gulp test-browser-integration
+

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

@@ -0,0 +1,38 @@
+name: New Release Branch
+
+on:
+  repository_dispatch:
+    types: new-release-branch
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Use node version 12.x
+      uses: actions/setup-node@v1
+      with:
+        node-version: 12.x
+    - uses: actions/checkout@v2
+      with:
+        fetch-depth: 5
+    - run: |
+        git checkout -b ${{ github.event.client_payload.branch_name }}
+        sed -i -e 's/"version": ".*"/"version": "${{ github.event.client_payload.package_version }}"/g' package.json
+        sed -i -e 's/const versionMajorMinor = ".*"/const versionMajorMinor = "${{ github.event.client_payload.core_major_minor }}"/g' src/compiler/corePublic.ts
+        sed -i -e 's/const versionMajorMinor = ".*"/const versionMajorMinor = "${{ github.event.client_payload.core_major_minor }}"/g' tests/baselines/reference/api/typescript.d.ts
+        sed -i -e 's/const versionMajorMinor = ".*"/const versionMajorMinor = "${{ github.event.client_payload.core_major_minor }}"/g' tests/baselines/reference/api/tsserverlibrary.d.ts
+        sed -i -e 's/const version = `${versionMajorMinor}.0-.*`/const version = `${versionMajorMinor}.0-${{ github.event.client_payload.core_tag || 'dev' }}`/g' src/compiler/corePublic.ts
+        npm install
+        gulp LKG
+        npm test
+        git diff
+        git add package.json
+        git add src/compiler/corePublic.ts
+        git add tests/baselines/reference/api/typescript.d.ts
+        git add tests/baselines/reference/api/tsserverlibrary.d.ts
+        git add ./lib
+        git config user.email "ts_bot@rcavanaugh.com"
+        git config user.name "TypeScript Bot"
+        git commit -m 'Bump version to ${{ github.event.client_payload.package_version }} and LKG'
+        git push --set-upstream origin ${{ github.event.client_payload.branch_name }}

.github/workflows/nightly.yaml

@@ -0,0 +1,32 @@
+name: Publish Nightly
+
+on:
+  schedule:
+    - cron:  '0 7 * * *'
+  repository_dispatch:
+    types: publish-nightly
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Use node version 12
+      uses: actions/setup-node@v1
+      with:
+        node-version: 12
+        registry-url: https://registry.npmjs.org/
+    - name: Setup and publish nightly
+      run: |
+        npm whoami
+        npm i
+        gulp configure-nightly
+        gulp LKG
+        gulp runtests-parallel
+        gulp clean
+        npm publish --tag next
+      env:
+        NODE_AUTH_TOKEN: ${{secrets.npm_token}}
+        CI: true
+

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

@@ -0,0 +1,44 @@
+name: Create Releasable Package Drop
+
+on:
+  push:
+    branches:
+      - release-*
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Use node version 12
+      uses: actions/setup-node@v1
+      with:
+        node-version: 12
+    - name: Remove existing TypeScript
+      run: |
+        npm uninstall typescript --no-save
+        npm uninstall tslint --no-save
+    - name: npm install and test
+      run: |
+        npm install
+        npm update
+        npm test
+      env:
+        CI: true
+    - name: Validate the browser can import TypeScript
+      run: gulp test-browser-integration
+    - name: LKG, clean, and pack
+      run: |
+        gulp LKG
+        gulp clean
+        npm pack ./
+        mv typescript-*.tgz typescript.tgz
+      env:
+        CI: true
+    - name: Upload built tarfile
+      uses: actions/upload-artifact@v1
+      with:
+        name: tgz
+        path: typescript.tgz
+

.github/workflows/set-version.yaml

@@ -0,0 +1,44 @@
+name: Set branch version
+
+on:
+  repository_dispatch:
+    types: set-version
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Use node version 12.x
+      uses: actions/setup-node@v1
+      with:
+        node-version: 12.x
+    - uses: actions/checkout@v2
+      with:
+        ref: ${{ github.event.client_payload.branch_name }}
+    # notably, this is essentially the same script as `new-release-branch.yaml` (with fewer inputs), but it assumes the branch already exists
+    # do note that executing the transform below will prevent the `configurePrerelease` script from running on the source, as it makes the
+    # `version` identifier no longer match the regex it uses
+    # required client_payload members:
+    # branch_name - the target branch
+    # package_version - the full version string (eg, `3.9.1-rc` or `3.9.2`)
+    # core_major_minor - the major.minor pair associated with the desired package_version (eg, `3.9` for `3.9.3`)
+    - run: |
+        sed -i -e 's/"version": ".*"/"version": "${{ github.event.client_payload.package_version }}"/g' package.json
+        sed -i -e 's/const versionMajorMinor = ".*"/const versionMajorMinor = "${{ github.event.client_payload.core_major_minor }}"/g' src/compiler/corePublic.ts
+        sed -i -e 's/const versionMajorMinor = ".*"/const versionMajorMinor = "${{ github.event.client_payload.core_major_minor }}"/g' tests/baselines/reference/api/typescript.d.ts
+        sed -i -e 's/const versionMajorMinor = ".*"/const versionMajorMinor = "${{ github.event.client_payload.core_major_minor }}"/g' tests/baselines/reference/api/tsserverlibrary.d.ts
+        sed -i -e 's/const version = .*;/const version = "${{ github.event.client_payload.package_version }}" as string;/g' src/compiler/corePublic.ts
+        npm install
+        gulp LKG
+        npm test
+        git diff
+        git add package.json
+        git add src/compiler/corePublic.ts
+        git add tests/baselines/reference/api/typescript.d.ts
+        git add tests/baselines/reference/api/tsserverlibrary.d.ts
+        git add ./lib
+        git config user.email "ts_bot@rcavanaugh.com"
+        git config user.name "TypeScript Bot"
+        git commit -m 'Bump version to ${{ github.event.client_payload.package_version }} and LKG'
+        git push

.github/workflows/sync-branch.yaml

@@ -0,0 +1,29 @@
+name: Sync branch with master
+
+on:
+  repository_dispatch:
+    types: sync-branch
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Use node version 12.x
+      uses: actions/setup-node@v1
+      with:
+        node-version: 12.x
+    - uses: actions/checkout@v2
+      with:
+        ref: ${{ github.event.client_payload.branch_name }}
+    # This does a test post-merge and only pushes the result if the test succeeds
+    # required client_payload members:
+    # branch_name - the target branch
+    - run: |
+        git config user.email "ts_bot@rcavanaugh.com"
+        git config user.name "TypeScript Bot"
+        git fetch origin master
+        git merge master --no-ff
+        npm install
+        npm test
+        git push

.vscode/extensions.json

@@ -1,6 +1,7 @@
 {
     "recommendations": [
-        "dbaeumer.vscode-eslint"
+        "dbaeumer.vscode-eslint",
+        "rbuckton.tsserver-live-reload"
     ],
 
     "unwantedRecommendations": [