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

graph layout algorithm

import { __require as require_assignValue } from './_assignValue.js';
import { __require as require_baseAssignValue } from './_baseAssignValue.js';

var _copyObject;
var hasRequired_copyObject;

function require_copyObject () {
	if (hasRequired_copyObject) return _copyObject;
	hasRequired_copyObject = 1;
	var assignValue = require_assignValue(),
	    baseAssignValue = require_baseAssignValue();

	/**
	 * Copies properties of `source` to `object`.
	 *
	 * @private
	 * @param {Object} source The object to copy properties from.
	 * @param {Array} props The property identifiers to copy.
	 * @param {Object} [object={}] The object to copy properties to.
	 * @param {Function} [customizer] The function to customize copied values.
	 * @returns {Object} Returns `object`.
	 */
	function copyObject(source, props, object, customizer) {
	  var isNew = !object;
	  object || (object = {});

	  var index = -1,
	      length = props.length;

	  while (++index < length) {
	    var key = props[index];

	    var newValue = customizer
	      ? customizer(object[key], source[key], key, object, source)
	      : undefined;

	    if (newValue === undefined) {
	      newValue = source[key];
	    }
	    if (isNew) {
	      baseAssignValue(object, key, newValue);
	    } else {
	      assignValue(object, key, newValue);
	    }
	  }
	  return object;
	}

	_copyObject = copyObject;
	return _copyObject;
}

export { require_copyObject as __require };
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