message: changed from map to imperative
diff: * LICENSE file in the root directory of this source tree.
  */
  -import {AnyRegExpExpression, AnyRegExpBodyItem} from '@romejs/js-ast';
  +import {AnyRegExpBodyItem, AnyRegExpExpression} from '@romejs/js-ast';
  import {Path, TransformExitResult} from '@romejs/js-compiler';
  import {descriptions} from '@romejs/diagnostics';
  @@ -15,15 +15,21 @@ function isQuantifiedMinZero(el: AnyRegExpBodyItem): boolean {
  function lintEmptyMatches(expr: AnyRegExpExpression): boolean {
  if (expr.type === 'RegExpSubExpression') {
  - return expr.body
  - .map((item) => {
  - if (item.type === 'RegExpGroupNonCapture' || item.type === 'RegExpGroupCapture') {
  - return lintEmptyMatches(item.expression);
  + for (const item of expr.body) {
  + let matches = false;
  + if (
  + item.type === 'RegExpGroupNonCapture' ||
  + item.type === 'RegExpGroupCapture'
  + ) {
  + matches = lintEmptyMatches(item.expression);
  } else {
  - return isQuantifiedMinZero(item);
  + matches = isQuantifiedMinZero(item);
  }
  - })
  - .every(el => el === true);
  + if (!matches) {
  + return false;
  + }
  + }
  + return true;
  } else {
  return lintEmptyMatches(expr.left) || lintEmptyMatches(expr.right);
  }
  