isInteger (value) {
    return toStr(value) === NUMBER_TAG && value == toInteger(value) // eslint-disable-line
  }
Return whether the provided value is an integer.

@example
import { utils } from 'js-data';
const a = 1;
const b = 1.25;
const c = '1';
console.log(utils.isInteger(a)); // true
console.log(utils.isInteger(b)); // false
console.log(utils.isInteger(c)); // false

@method utils.isInteger
@param {*} value The value to test.
@returns {boolean} Whether the provided value is an integer.
@since 3.0.0