| var baseTimes = require('./_baseTimes'), |
| castFunction = require('./_castFunction'), |
| toInteger = require('./toInteger'); |
| |
| /** Used as references for various `Number` constants. */ |
| var MAX_SAFE_INTEGER = 9007199254740991; |
| |
| /** Used as references for the maximum length and index of an array. */ |
| var MAX_ARRAY_LENGTH = 4294967295; |
| |
| /* Built-in method references for those with the same name as other `lodash` methods. */ |
| var nativeMin = Math.min; |
| |
| /** |
| * Invokes the iteratee `n` times, returning an array of the results of |
| * each invocation. The iteratee is invoked with one argument; (index). |
| * |
| * @static |
| * @since 0.1.0 |
| * @memberOf _ |
| * @category Util |
| * @param {number} n The number of times to invoke `iteratee`. |
| * @param {Function} [iteratee=_.identity] The function invoked per iteration. |
| * @returns {Array} Returns the array of results. |
| * @example |
| * |
| * _.times(3, String); |
| * // => ['0', '1', '2'] |
| * |
| * _.times(4, _.constant(0)); |
| * // => [0, 0, 0, 0] |
| */ |
| function times(n, iteratee) { |
| n = toInteger(n); |
| if (n < 1 || n > MAX_SAFE_INTEGER) { |
| return []; |
| } |
| var index = MAX_ARRAY_LENGTH, |
| length = nativeMin(n, MAX_ARRAY_LENGTH); |
| |
| iteratee = castFunction(iteratee); |
| n -= MAX_ARRAY_LENGTH; |
| |
| var result = baseTimes(length, iteratee); |
| while (++index < n) { |
| iteratee(index); |
| } |
| return result; |
| } |
| |
| module.exports = times; |