| var toNumber = require('./toNumber'); |
| |
| /** Used as references for various `Number` constants. */ |
| var INFINITY = 1 / 0, |
| MAX_INTEGER = 1.7976931348623157e+308; |
| |
| /** |
| * Converts `value` to a finite number. |
| * |
| * @static |
| * @memberOf _ |
| * @since 4.12.0 |
| * @category Lang |
| * @param {*} value The value to convert. |
| * @returns {number} Returns the converted number. |
| * @example |
| * |
| * _.toFinite(3.2); |
| * // => 3.2 |
| * |
| * _.toFinite(Number.MIN_VALUE); |
| * // => 5e-324 |
| * |
| * _.toFinite(Infinity); |
| * // => 1.7976931348623157e+308 |
| * |
| * _.toFinite('3.2'); |
| * // => 3.2 |
| */ |
| function toFinite(value) { |
| if (!value) { |
| return value === 0 ? value : 0; |
| } |
| value = toNumber(value); |
| if (value === INFINITY || value === -INFINITY) { |
| var sign = (value < 0 ? -1 : 1); |
| return sign * MAX_INTEGER; |
| } |
| return value === value ? value : 0; |
| } |
| |
| module.exports = toFinite; |