tsconfig.json

{
  "compilerOptions": {
    "allowJs": true,
    "esModuleInterop": true,
    "module": "commonjs",
    "lib": ["DOM", "ES2017"],
    "noImplicitAny": true,
    "experimentalDecorators": true,
    "emitDecoratorMetadata": true,
    "inlineSourceMap": true,
    "inlineSources": true,
    "strict": true,
    "target": "es2017",
    "declaration": true
  },
  "types": [
    "google.visualization"
  ],
  "exclude": [
    // Exclude the //_bazel_* symlinks. This Prevents the following VSCode error:
    //
    //     To enable project-wide JavaScript/TypeScript language features, exclude large folders
    //     with source files that you do not work on.
    //
    // The below excludes do not affect the Bazel build because these paths are not visible to
    // build actions.
    "./_bazel_bin",
    "./_bazel_buildbot",
    "./_bazel_out",
    "./_bazel_testlogs",
    // Excluding this directory prevents errors such as:
    //
    //     error TS5055: Cannot write file '[...]/bazel-out/[...]/external/[...]/example.js'
    //     because it would overwrite input file.
    //
    // Note that this directory is generated by Bazel under "_bazel_out".
    "./external",
    // TypeScript files under this directory are Go templates and thus do not compile.
    "./new_element/templates",
    "node_modules",
    "dist",
    "build"
  ]
}