ヤミRoot VoidGate

Viewing: take.js

var baseSlice = require('./_baseSlice'),
    toInteger = require('./toInteger');

/**
 * Creates a slice of `array` with `n` elements taken from the beginning.
 *
 * @static
 * @memberOf _
 * @since 0.1.0
 * @category Array
 * @param {Array} array The array to query.
 * @param {number} [n=1] The number of elements to take.
 * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
 * @returns {Array} Returns the slice of `array`.
 * @example
 *
 * _.take([1, 2, 3]);
 * // => [1]
 *
 * _.take([1, 2, 3], 2);
 * // => [1, 2]
 *
 * _.take([1, 2, 3], 5);
 * // => [1, 2, 3]
 *
 * _.take([1, 2, 3], 0);
 * // => []
 */
function take(array, n, guard) {
  if (!(array && array.length)) {
    return [];
  }
  n = (guard || n === undefined) ? 1 : toInteger(n);
  return baseSlice(array, 0, n < 0 ? 0 : n);
}

module.exports = take;

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