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

graph layout algorithm

import { __require as requireIsFunction } from './isFunction.js';
import { __require as require_isMasked } from './_isMasked.js';
import { __require as requireIsObject } from './isObject.js';
import { __require as require_toSource } from './_toSource.js';

var _baseIsNative;
var hasRequired_baseIsNative;

function require_baseIsNative () {
	if (hasRequired_baseIsNative) return _baseIsNative;
	hasRequired_baseIsNative = 1;
	var isFunction = requireIsFunction(),
	    isMasked = require_isMasked(),
	    isObject = requireIsObject(),
	    toSource = require_toSource();

	/**
	 * Used to match `RegExp`
	 * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
	 */
	var reRegExpChar = /[\\^$.*+?()[\]{}|]/g;

	/** Used to detect host constructors (Safari). */
	var reIsHostCtor = /^\[object .+?Constructor\]$/;

	/** Used for built-in method references. */
	var funcProto = Function.prototype,
	    objectProto = Object.prototype;

	/** Used to resolve the decompiled source of functions. */
	var funcToString = funcProto.toString;

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

	/** Used to detect if a method is native. */
	var reIsNative = RegExp('^' +
	  funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&')
	  .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
	);

	/**
	 * The base implementation of `_.isNative` without bad shim checks.
	 *
	 * @private
	 * @param {*} value The value to check.
	 * @returns {boolean} Returns `true` if `value` is a native function,
	 *  else `false`.
	 */
	function baseIsNative(value) {
	  if (!isObject(value) || isMasked(value)) {
	    return false;
	  }
	  var pattern = isFunction(value) ? reIsNative : reIsHostCtor;
	  return pattern.test(toSource(value));
	}

	_baseIsNative = baseIsNative;
	return _baseIsNative;
}

export { require_baseIsNative as __require };
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