Function getRootDirs

packages/compiler-cli/src/ngtsc/util/src/typescript.ts:129–149

(
  host: Pick<ts.CompilerHost, 'getCurrentDirectory' | 'getCanonicalFileName'>,
  options: ts.CompilerOptions,
)

}

export function getRootDirs(
  host: Pick<ts.CompilerHost, 'getCurrentDirectory' | 'getCanonicalFileName'>,
  options: ts.CompilerOptions,
): AbsoluteFsPath[] {
  const rootDirs: string[] = [];
  const cwd = host.getCurrentDirectory();
  const fs = getFileSystem();
  if (options.rootDirs !== undefined) {
    rootDirs.push(...options.rootDirs);
  } else if (options.rootDir !== undefined) {
    rootDirs.push(options.rootDir);
  } else {
    rootDirs.push(cwd);
  }

  // In Windows the above might not always return posix separated paths
  // See:
  // https://github.com/Microsoft/TypeScript/blob/3f7357d37f66c842d70d835bc925ec2a873ecfec/src/compiler/sys.ts#L650
  // Also compiler options might be set via an API which doesn't normalize paths
  return rootDirs.map((rootDir) => fs.resolve(cwd, host.getCanonicalFileName(rootDir)));
}

export function nodeDebugInfo(node: ts.Node): string {
  const sf = getSourceFile(node);