Function createFileTree

valdi/vscode_debugger/src/test/test.ts:621–643

(rootDir: string, tree: IFileTree)

 * fixtures in unit tests.
 */
export function createFileTree(rootDir: string, tree: IFileTree) {
  mkdirp.sync(rootDir);

  for (const key of Object.keys(tree)) {
    const value = tree[key];
    const targetPath = path.join(rootDir, key);

    let write: Buffer;
    if (typeof value === 'string') {
      write = Buffer.from(value);
    } else if (value instanceof Buffer) {
      write = value;
    } else if (value instanceof Array) {
      write = Buffer.from(value.join(EOL));
    } else {
      createFileTree(targetPath, value);
      continue;
    }

    mkdirp.sync(path.dirname(targetPath));
    fs.writeFileSync(targetPath, write);
  }
}