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node_modules/lodash/fill.js 1.06 KB
aaac7fed   liuqimichale   add
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  var baseFill = require('./_baseFill'),
      isIterateeCall = require('./_isIterateeCall');
  
  /**
   * Fills elements of `array` with `value` from `start` up to, but not
   * including, `end`.
   *
   * **Note:** This method mutates `array`.
   *
   * @static
   * @memberOf _
   * @since 3.2.0
   * @category Array
   * @param {Array} array The array to fill.
   * @param {*} value The value to fill `array` with.
   * @param {number} [start=0] The start position.
   * @param {number} [end=array.length] The end position.
   * @returns {Array} Returns `array`.
   * @example
   *
   * var array = [1, 2, 3];
   *
   * _.fill(array, 'a');
   * console.log(array);
   * // => ['a', 'a', 'a']
   *
   * _.fill(Array(3), 2);
   * // => [2, 2, 2]
   *
   * _.fill([4, 6, 8, 10], '*', 1, 3);
   * // => [4, '*', '*', 10]
   */
  function fill(array, value, start, end) {
    var length = array == null ? 0 : array.length;
    if (!length) {
      return [];
    }
    if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {
      start = 0;
      end = length;
    }
    return baseFill(array, value, start, end);
  }
  
  module.exports = fill;