tsconfig.json

{
  "compilerOptions": {
    "allowJs": true,
    "checkJs": true,
    "noEmit": true,
    "target": "es2015",
    "module": "commonjs",
    "resolveJsonModule": true,
    // TBD it is desired to enabled strict type checking at some point:
    "strict": false,
    "typeRoots": ["./types", "./node_modules/@types"]
  },
  "exclude": [
    "coverage/",
    "test*.*",
    // [TBD] JavaScript sources *not* affected by src/language-*:
    "src/main/ast-to-doc.js",
    "src/main/core.js",
    "src/common/create-ignorer.js",
    "src/config/resolve-config.js",
    "src/main/options-normalizer.js",
    "src/common/get-file-info.js",
    "src/main/multiparser.js",
    "src/main/options.js",
    "src/cli/index.js",
    "src/cli/expand-patterns.js",
    "src/cli/core.js",
    "src/cli/context.js",
    "src/cli/format.js",
    "src/cli/option-map.js",
    "src/cli/option.js",
    "src/cli/usage.js",
    "src/cli/constant.js",
    "src/cli/prettier-internal.js",
    // [TBD] top-level JavaScript sources affected by JSDoc issues
    // in other sources:
    "src/index.js",
    "src/standalone.js",
    "index.js",
    "standalone.js",
    "bin/",
    "dist/",
    "docs/",
    "scripts/",
    "tests/",
    // [prettierx merge update from prettier@2.3.x ...]
    "x-unsupported/website/",
    "types/"
  ]
}