@antv/layout/lib/node_modules/lodash/_initCloneArray.js

graph layout algorithm

/** Used for built-in method references. */

var _initCloneArray;
var hasRequired_initCloneArray;

function require_initCloneArray () {
	if (hasRequired_initCloneArray) return _initCloneArray;
	hasRequired_initCloneArray = 1;
	var objectProto = Object.prototype;

	/** Used to check objects for own properties. */
	var hasOwnProperty = objectProto.hasOwnProperty;

	/**
	 * Initializes an array clone.
	 *
	 * @private
	 * @param {Array} array The array to clone.
	 * @returns {Array} Returns the initialized clone.
	 */
	function initCloneArray(array) {
	  var length = array.length,
	      result = new array.constructor(length);

	  // Add properties assigned by `RegExp#exec`.
	  if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {
	    result.index = array.index;
	    result.input = array.input;
	  }
	  return result;
	}

	_initCloneArray = initCloneArray;
	return _initCloneArray;
}

export { require_initCloneArray as __require };
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