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

graph layout algorithm

/**
 * Copies the values of `source` to `array`.
 *
 * @private
 * @param {Array} source The array to copy values from.
 * @param {Array} [array=[]] The array to copy values to.
 * @returns {Array} Returns `array`.
 */

var _copyArray;
var hasRequired_copyArray;

function require_copyArray () {
	if (hasRequired_copyArray) return _copyArray;
	hasRequired_copyArray = 1;
	function copyArray(source, array) {
	  var index = -1,
	      length = source.length;

	  array || (array = Array(length));
	  while (++index < length) {
	    array[index] = source[index];
	  }
	  return array;
	}

	_copyArray = copyArray;
	return _copyArray;
}

export { require_copyArray as __require };
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