Function ParseInt

src/media-query.test.ts:29–33

()

  : never;

function* ParseInt() {
  const isNegative: boolean = yield has('-');
  const [stringValue]: [string] = yield /^\d+/;
  return parseInt(stringValue, 10) * (isNegative ? -1 : 1);
}

interface MatchMediaContext {
  mediaType: 'screen' | 'print';