only-changed-jest-watch-plugin/example/node_modules/is-finite/index.js

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

'use strict';
var numberIsNan = require('number-is-nan');

module.exports = Number.isFinite || function (val) {
	return !(typeof val !== 'number' || numberIsNan(val) || val === Infinity || val === -Infinity);
};