blockly/tsconfig.json

{
  "include": [
    "core/**/*",  // N.B.: also pulls in closure/goog/goog.js if needed.
    "closure/**/*",  // Just for ouptut directory structure.
  ],
  "exclude": [
    "core/blockly.js"
  ],
  "compilerOptions": {
    // Tells TypeScript to read JS files, as
    // normally they are ignored as source files
    "allowJs": true,

    // Enable the next few options for type declarations.
    // Generate d.ts files
    //"declaration": true,
    // Types should go into this directory.
    // Removing this would place the .d.ts files
    // next to the .js files
    //"declarationDir": "build/ts/declarations",

    "module": "ES2015",
    "moduleResolution": "node",
    "target": "ES2020",
    "strict": true,
    // "importsNotUsedAsValues": "preserve"
    "outDir": "build"
  }
}