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Linux vps-61133.fhnet.fr 4.9.0-19-amd64 #1 SMP Debian 4.9.320-2 (2022-06-30) x86_64
Apache/2.4.25 (Debian)
Server IP : 93.113.207.21 & Your IP : 216.73.216.119
Domains : Cant Read [ /etc/named.conf ]
User : www-data

Name	Size	Permission	Date	Action
ensure.js	273 B	-rw-r--r--	2022-04-21 14:30
is.js	1.53 KB	-rw-r--r--	2022-04-21 14:30

Rename

"use strict";

var isPrototype   = require("../prototype/is")
  , isPlainObject = require("../plain-object/is");

var objectToString = Object.prototype.toString;

// Recognize host specific errors (e.g. DOMException)
var errorTaggedStringRe = /^\[object .*(?:Error|Exception)\]$/
  , errorNameRe = /^[^\s]*(?:Error|Exception)$/;

module.exports = function (value) {
	if (!value) return false;

var name;
	// Sanity check (reject objects which do not expose common Error interface)
	try {
		name = value.name;
		if (typeof name !== "string") return false;
		if (typeof value.message !== "string") return false;
	} catch (error) {
		return false;
	}

// Ensure its a native-like Error object
	// (has [[ErrorData]] slot, or was created to resemble one)
	// Note: It's not a 100% bulletproof check of confirming that as:
	// - In ES2015+ string tag can be overriden via Symbol.toStringTag property
	// - Host errors do not share native error tag. Still we rely on assumption that
	//   tag for each error will end either with `Error` or `Exception` string
	// - In pre ES2015 era, no custom errors will share the error tag.
	if (!errorTaggedStringRe.test(objectToString.call(value))) {
		// Definitely not an ES2015 error instance, but could still be an error
		// (created via e.g. CustomError.prototype = Object.create(Error.prototype))
		try {
			if (name !== value.constructor.name) return false;
		} catch (error) {
			return false;
		}
		if (!errorNameRe.test(name)) return false;
		if (isPlainObject(value)) return false;
	}

return !isPrototype(value);
};