only-changed-jest-watch-plugin/example/node_modules/core-js/modules/_is-integer.js

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

// 20.1.2.3 Number.isInteger(number)
var isObject = require('./_is-object');
var floor = Math.floor;
module.exports = function isInteger(it) {
  return !isObject(it) && isFinite(it) && floor(it) === it;
};