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node_modules/lodash.tail/index.js 1.49 KB
aaac7fed   liuqimichale   add
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  /**
   * lodash (Custom Build) <https://lodash.com/>
   * Build: `lodash modularize exports="npm" -o ./`
   * Copyright jQuery Foundation and other contributors <https://jquery.org/>
   * Released under MIT license <https://lodash.com/license>
   * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
   * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
   */
  
  /**
   * The base implementation of `_.slice` without an iteratee call guard.
   *
   * @private
   * @param {Array} array The array to slice.
   * @param {number} [start=0] The start position.
   * @param {number} [end=array.length] The end position.
   * @returns {Array} Returns the slice of `array`.
   */
  function baseSlice(array, start, end) {
    var index = -1,
        length = array.length;
  
    if (start < 0) {
      start = -start > length ? 0 : (length + start);
    }
    end = end > length ? length : end;
    if (end < 0) {
      end += length;
    }
    length = start > end ? 0 : ((end - start) >>> 0);
    start >>>= 0;
  
    var result = Array(length);
    while (++index < length) {
      result[index] = array[index + start];
    }
    return result;
  }
  
  /**
   * Gets all but the first element of `array`.
   *
   * @static
   * @memberOf _
   * @since 4.0.0
   * @category Array
   * @param {Array} array The array to query.
   * @returns {Array} Returns the slice of `array`.
   * @example
   *
   * _.tail([1, 2, 3]);
   * // => [2, 3]
   */
  function tail(array) {
    var length = array ? array.length : 0;
    return length ? baseSlice(array, 1, length) : [];
  }
  
  module.exports = tail;