forked from fdzcxy212206413/gsl_grs
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
52 lines
1.3 KiB
52 lines
1.3 KiB
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;
|