Function hasNativeFindSupport

packages/jest-haste-map/src/crawlers/node.ts:24–57

(
  forceNodeFilesystemAPI: boolean,
)

type Callback = (result: Result) => void;

async function hasNativeFindSupport(
  forceNodeFilesystemAPI: boolean,
): Promise<boolean> {
  if (forceNodeFilesystemAPI) {
    return false;
  }

  try {
    return await new Promise(resolve => {
      // Check the find binary supports the non-POSIX -iname parameter wrapped in parens.
      const args = [
        '.',
        '-type',
        'f',
        '(',
        '-iname',
        '*.ts',
        '-o',
        '-iname',
        '*.js',
        ')',
      ];
      const child = spawn('find', args, {cwd: __dirname});
      child.on('error', () => {
        resolve(false);
      });
      child.on('exit', code => {
        resolve(code === 0);
      });
    });
  } catch {
    return false;
  }
}

function find(
  roots: Array<string>,