bitwarden-browser/shared/tsconfig.json

{
  "compilerOptions": {
    "pretty": true,
    "moduleResolution": "node",
    "noImplicitAny": true,
    "target": "ES6",
    "module": "commonjs",
    "lib": ["es5", "es6", "es7", "dom"],
    "sourceMap": true,
    "allowSyntheticDefaultImports": true,
    "experimentalDecorators": true,
    "emitDecoratorMetadata": true,
    "outDir": "dist"
  }
}