is-integer.js 274 B

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  1. var isObject = require('../internals/is-object');
  2. var floor = Math.floor;
  3. // `Number.isInteger` method implementation
  4. // https://tc39.es/ecma262/#sec-number.isinteger
  5. module.exports = function isInteger(it) {
  6. return !isObject(it) && isFinite(it) && floor(it) === it;
  7. };