text: /*
  	MIT License http://www.opensource.org/licenses/mit-license.php
  	Author Tobias Koppers @sokra
  */
  
  "use strict";
  
  /**
   * Compare two arrays or strings by performing strict equality check for each value.
   * @template T [T=any]
   * @param {ArrayLike<T>} a Array of values to be compared
   * @param {ArrayLike<T>} b Array of values to be compared
   * @returns {boolean} returns true if all the elements of passed arrays are strictly equal.
   */
  
  exports.equals = (a, b) => {
  	if (a.length !== b.length) return false;
  	for (let i = 0; i < a.length; i++) {
  		if (a[i] !== b[i]) return false;
  	}
  	return true;
  };
  
  /**
   * Partition an array by calling a predicate function on each value.
   * @template T [T=any]
   * @param {Array<T>} arr Array of values to be partitioned
   * @param {(value: T) => boolean} fn Partition function which partitions based on truthiness of result.
   * @returns {[Array<T>, Array<T>]} returns the values of `arr` partitioned into two new arrays based on fn predicate.
   */
  exports.groupBy = (arr = [], fn) => {
  	return arr.reduce(
  		/**
  		 * @param {[Array<T>, Array<T>]} groups An accumulator storing already partitioned values returned from previous call.
  		 * @param {T} value The value of the current element
  		 * @returns {[Array<T>, Array<T>]} returns an array of partitioned groups accumulator resulting from calling a predicate on the current value.
  		 */
  		(groups, value) => {
  			groups[fn(value) ? 0 : 1].push(value);
  			return groups;
  		},
  		[[], []]
  	);
  };
  