| var baseClamp = require('./_baseClamp'), |
| toInteger = require('./toInteger'); |
| |
| /** Used as references for various `Number` constants. */ |
| var MAX_SAFE_INTEGER = 9007199254740991; |
| |
| /** |
| * Converts `value` to a safe integer. A safe integer can be compared and |
| * represented correctly. |
| * |
| * @static |
| * @memberOf _ |
| * @since 4.0.0 |
| * @category Lang |
| * @param {*} value The value to convert. |
| * @returns {number} Returns the converted integer. |
| * @example |
| * |
| * _.toSafeInteger(3.2); |
| * // => 3 |
| * |
| * _.toSafeInteger(Number.MIN_VALUE); |
| * // => 0 |
| * |
| * _.toSafeInteger(Infinity); |
| * // => 9007199254740991 |
| * |
| * _.toSafeInteger('3.2'); |
| * // => 3 |
| */ |
| function toSafeInteger(value) { |
| return value |
| ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER) |
| : (value === 0 ? value : 0); |
| } |
| |
| module.exports = toSafeInteger; |
