Setup VS Code Extension Boilerplate with TypeScript, Testing, and CI/CD

.eslintrc.json

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+{
+  "root": true,
+  "parser": "@typescript-eslint/parser",
+  "parserOptions": {
+    "ecmaVersion": 6,
+    "sourceType": "module"
+  },
+  "plugins": ["@typescript-eslint"],
+  "rules": {
+    "@typescript-eslint/naming-convention": "warn",
+    "@typescript-eslint/semi": "warn",
+    "curly": "warn",
+    "eqeqeq": "warn",
+    "no-throw-literal": "warn",
+    "semi": "off"
+  },
+  "ignorePatterns": ["out", "dist", "**/*.d.ts"]
+}

.github/workflows/ci.yml

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+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+        node-version: [18.x, 20.x]
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node-version }}
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run linter
+        run: npm run lint
+
+      - name: Run formatter check
+        run: npm run format:check
+
+      - name: Compile
+        run: npm run compile
+
+      - name: Run tests
+        run: npm test
+        if: runner.os == 'Linux'
+
+      - name: Package extension
+        run: npm run package

.github/workflows/release.yml

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+name: Release
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Use Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: 20.x
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Package extension
+        run: npm run package
+
+      - name: Install vsce
+        run: npm install -g @vscode/vsce
+
+      - name: Package VSIX
+        run: vsce package
+
+      - name: Create Release
+        uses: softprops/action-gh-release@v1
+        with:
+          files: '*.vsix'
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.gitignore

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+node_modules
+out
+dist
+*.vsix
+.vscode-test/
+.DS_Store
+*.log

.prettierrc.json

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+{
+  "semi": true,
+  "trailingComma": "all",
+  "singleQuote": true,
+  "printWidth": 100,
+  "tabWidth": 2,
+  "useTabs": false
+}

.vscode/extensions.json

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+{
+  "recommendations": [
+    "dbaeumer.vscode-eslint",
+    "esbenp.prettier-vscode"
+  ]
+}

.vscode/launch.json

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+{
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "name": "Run Extension",
+      "type": "extensionHost",
+      "request": "launch",
+      "args": [
+        "--extensionDevelopmentPath=${workspaceFolder}"
+      ],
+      "outFiles": [
+        "${workspaceFolder}/out/**/*.js",
+        "${workspaceFolder}/dist/**/*.js"
+      ],
+      "preLaunchTask": "${defaultBuildTask}"
+    },
+    {
+      "name": "Extension Tests",
+      "type": "extensionHost",
+      "request": "launch",
+      "args": [
+        "--extensionDevelopmentPath=${workspaceFolder}",
+        "--extensionTestsPath=${workspaceFolder}/out/test/suite/index"
+      ],
+      "outFiles": [
+        "${workspaceFolder}/out/test/**/*.js"
+      ],
+      "preLaunchTask": "npm: watch-tests"
+    }
+  ]
+}

.vscode/settings.json

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+{
+  "editor.formatOnSave": true,
+  "editor.defaultFormatter": "esbenp.prettier-vscode",
+  "editor.codeActionsOnSave": {
+    "source.fixAll.eslint": "explicit"
+  },
+  "typescript.tsdk": "node_modules/typescript/lib",
+  "files.exclude": {
+    "out": false,
+    "dist": true,
+    "node_modules": true
+  },
+  "search.exclude": {
+    "out": true,
+    "dist": true,
+    "node_modules": true
+  }
+}

.vscode/tasks.json

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+{
+  "version": "2.0.0",
+  "tasks": [
+    {
+      "type": "npm",
+      "script": "watch",
+      "problemMatcher": "$tsc-watch",
+      "isBackground": true,
+      "presentation": {
+        "reveal": "never"
+      },
+      "group": {
+        "kind": "build",
+        "isDefault": true
+      }
+    },
+    {
+      "type": "npm",
+      "script": "watch-tests",
+      "problemMatcher": "$tsc-watch",
+      "isBackground": true,
+      "presentation": {
+        "reveal": "never"
+      }
+    },
+    {
+      "label": "tasks: watch-tests",
+      "dependsOn": [
+        "npm: watch",
+        "npm: watch-tests"
+      ],
+      "problemMatcher": []
+    }
+  ]
+}

.vscodeignore

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+.vscode/**
+.vscode-test/**
+src/**
+.gitignore
+.yarnrc
+webpack.config.js
+**/tsconfig.json
+**/.eslintrc.json
+**/*.map
+**/*.ts
+node_modules/**
+out/**