Function countReturns

packages/expect/src/spyMatchers.ts:76–80

(results: Array<any>)

  result.type === 'return' && isEqualValue(expected, result.value);

const countReturns = (results: Array<any>): number =>
  results.reduce(
    (n: number, result: any) => (result.type === 'return' ? n + 1 : n),
    0,
  );

const printNumberOfReturns = (
  countReturns: number,