only-changed-jest-watch-plugin/example/node_modules/core-js/modules/_validate-collection.js

Jest watch plugin for running either only the modified test (for TDD), or tests of dependant modules

var isObject = require('./_is-object');
module.exports = function (it, TYPE) {
  if (!isObject(it) || it._t !== TYPE) throw TypeError('Incompatible receiver, ' + TYPE + ' required!');
  return it;
};