Function asymmetricMatch

packages/expect-utils/src/jasmineUtils.ts:44–59

(a: any, b: any)

}

function asymmetricMatch(a: any, b: any) {
  const asymmetricA = isAsymmetric(a);
  const asymmetricB = isAsymmetric(b);

  if (asymmetricA && asymmetricB) {
    return undefined;
  }

  if (asymmetricA) {
    return a.asymmetricMatch(b);
  }

  if (asymmetricB) {
    return b.asymmetricMatch(a);
  }
}

// Equality function lovingly adapted from isEqual in
//   [Underscore](http://underscorejs.org)