Function main

bazel/rules/rules_angular/src/ng_package/packager/index.ts:47–414

(args: string[])

main(process.argv.slice(2));

function main(args: string[]): void {
  // This utility expects all of its arguments to be specified in a params file generated by
  // bazel (see https://docs.bazel.build/versions/master/skylark/lib/Args.html#use_param_file).
  const paramFilePath = args[0];

  // Bazel params may be surrounded with quotes
  function unquoteParameter(s: string) {
    return s.replace(/^'(.*)'$/, '$1');
  }

  // Parameters are specified in the file one per line.
  const params = fs.readFileSync(paramFilePath, 'utf-8').split('\n').map(unquoteParameter);

  const [
    // Output directory for the npm package.
    outputDirExecPath,

    // The package segment of the ng_package rule's label (e.g. 'package/common').
    owningPackageName,

    // JSON data capturing metadata of the package being built. See `PackageMetadata`.
    metadataArg,

    // Path to the package's README.md.
    readmeMd,

    // Path to the package's LICENSE file.
    licenseFile,

    // List of individual ES2022 modules
    esm2022Arg,

    // List of static files that should be copied into the package.
    staticFilesArg,

    // List of side-effectful entry-points
    sideEffectEntryPointsArg,
  ] = params;

  const esm2022 = JSON.parse(esm2022Arg) as BazelFileInfo[];
  const staticFiles = JSON.parse(staticFilesArg) as BazelFileInfo[];
  const metadata = JSON.parse(metadataArg) as PackageMetadata;
  const sideEffectEntryPoints = JSON.parse(sideEffectEntryPointsArg) as string[];

  if (readmeMd) {
    copyFile(readmeMd, 'README.md');
  }

  if (licenseFile) {
    copyFile(licenseFile, 'LICENSE');
  }

  /**
   * Writes a file with the specified content into the package output.
   * @param outputRelativePath Relative path in the output directory where the
   *   file is written to.
   * @param fileContent Content of the file.
   */