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url: use private properties for brand check
PR-URL: #46904 Reviewed-By: Antoine du Hamel <[email protected]> Reviewed-By: Ruben Bridgewater <[email protected]> Reviewed-By: Benjamin Gruenbaum <[email protected]>
1 parent 5a7491b commit 027841c

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6 files changed

+74
-117
lines changed

6 files changed

+74
-117
lines changed

‎lib/internal/modules/cjs/loader.js‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -79,7 +79,7 @@ const { BuiltinModule } = require('internal/bootstrap/loaders');
7979
const {
8080
maybeCacheSourceMap,
8181
} = require('internal/source_map/source_map_cache');
82-
const { pathToFileURL, fileURLToPath, isURLInstance } = require('internal/url');
82+
const { pathToFileURL, fileURLToPath, isURL } = require('internal/url');
8383
const {
8484
deprecate,
8585
emitExperimentalWarning,
@@ -1396,7 +1396,7 @@ const createRequireError = 'must be a file URL object, file URL string, or ' +
13961396
function createRequire(filename) {
13971397
let filepath;
13981398

1399-
if (isURLInstance(filename) ||
1399+
if (isURL(filename) ||
14001400
(typeof filename === 'string' && !path.isAbsolute(filename))) {
14011401
try {
14021402
filepath = fileURLToPath(filename);

‎lib/internal/modules/esm/hooks.js‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -21,7 +21,7 @@ const {
2121
ERR_INVALID_RETURN_PROPERTY_VALUE,
2222
ERR_INVALID_RETURN_VALUE,
2323
} = require('internal/errors').codes;
24-
const { isURLInstance, URL } = require('internal/url');
24+
const { isURL, URL } = require('internal/url');
2525
const {
2626
isAnyArrayBuffer,
2727
isArrayBufferView,
@@ -263,7 +263,7 @@ class Hooks {
263263
if (
264264
!isMain &&
265265
typeof parentURL !== 'string' &&
266-
!isURLInstance(parentURL)
266+
!isURL(parentURL)
267267
) {
268268
throw new ERR_INVALID_ARG_TYPE(
269269
'parentURL',

‎lib/internal/url.js‎

Lines changed: 58 additions & 105 deletions
Original file line numberDiff line numberDiff line change
@@ -7,6 +7,7 @@ const {
77
ArrayPrototypePush,
88
ArrayPrototypeReduce,
99
ArrayPrototypeSlice,
10+
Boolean,
1011
Int8Array,
1112
IteratorPrototype,
1213
Number,
@@ -15,7 +16,6 @@ const {
1516
ObjectGetOwnPropertySymbols,
1617
ObjectGetPrototypeOf,
1718
ObjectKeys,
18-
ObjectPrototypeHasOwnProperty,
1919
ReflectGetOwnPropertyDescriptor,
2020
ReflectOwnKeys,
2121
RegExpPrototypeSymbolReplace,
@@ -534,15 +534,27 @@ ObjectDefineProperties(URLSearchParams.prototype, {
534534
},
535535
});
536536

537+
/**
538+
* Checks if a value has the shape of a WHATWG URL object.
539+
*
540+
* Using a symbol or instanceof would not be able to recognize URL objects
541+
* coming from other implementations (e.g. in Electron), so instead we are
542+
* checking some well known properties for a lack of a better test.
543+
*
544+
* @param {*} self
545+
* @returns {self is URL}
546+
*/
537547
function isURL(self) {
538-
return self != null && ObjectPrototypeHasOwnProperty(self, context);
548+
return Boolean(self?.href && self.origin);
539549
}
540550

541551
class URL {
552+
#context = new URLContext();
553+
#searchParams;
554+
542555
constructor(input, base = undefined) {
543556
// toUSVString is not needed.
544557
input = `${input}`;
545-
this[context] = new URLContext();
546558

547559
if (base !== undefined) {
548560
base = `${base}`;
@@ -558,11 +570,6 @@ class URL {
558570
}
559571

560572
[inspect.custom](depth, opts) {
561-
if (this == null ||
562-
ObjectGetPrototypeOf(this[context]) !== URLContext.prototype) {
563-
throw new ERR_INVALID_THIS('URL');
564-
}
565-
566573
if (typeof depth === 'number' && depth < 0)
567574
return this;
568575

@@ -583,182 +590,133 @@ class URL {
583590
obj.hash = this.hash;
584591

585592
if (opts.showHidden) {
586-
obj[context] = this[context];
593+
obj[context] = this.#context;
587594
}
588595

589596
return `${constructor.name} ${inspect(obj, opts)}`;
590597
}
591598

592599
#onParseComplete = (href, origin, protocol, hostname, pathname,
593600
search, username, password, port, hash) => {
594-
const ctx = this[context];
595-
ctx.href = href;
596-
ctx.origin = origin;
597-
ctx.protocol = protocol;
598-
ctx.hostname = hostname;
599-
ctx.pathname = pathname;
600-
ctx.search = search;
601-
ctx.username = username;
602-
ctx.password = password;
603-
ctx.port = port;
604-
ctx.hash = hash;
605-
if (this[searchParams]) {
606-
this[searchParams][searchParams] = parseParams(search);
601+
this.#context.href = href;
602+
this.#context.origin = origin;
603+
this.#context.protocol = protocol;
604+
this.#context.hostname = hostname;
605+
this.#context.pathname = pathname;
606+
this.#context.search = search;
607+
this.#context.username = username;
608+
this.#context.password = password;
609+
this.#context.port = port;
610+
this.#context.hash = hash;
611+
if (this.#searchParams) {
612+
this.#searchParams[searchParams] = parseParams(search);
607613
}
608614
};
609615

610616
toString() {
611-
if (!isURL(this))
612-
throw new ERR_INVALID_THIS('URL');
613-
return this[context].href;
617+
return this.#context.href;
614618
}
615619

616620
get href() {
617-
if (!isURL(this))
618-
throw new ERR_INVALID_THIS('URL');
619-
return this[context].href;
621+
return this.#context.href;
620622
}
621623

622624
set href(value) {
623-
if (!isURL(this))
624-
throw new ERR_INVALID_THIS('URL');
625-
const valid = updateUrl(this[context].href, updateActions.kHref, `${value}`, this.#onParseComplete);
625+
const valid = updateUrl(this.#context.href, updateActions.kHref, `${value}`, this.#onParseComplete);
626626
if (!valid) { throw ERR_INVALID_URL(`${value}`); }
627627
}
628628

629629
// readonly
630630
get origin() {
631-
if (!isURL(this))
632-
throw new ERR_INVALID_THIS('URL');
633-
return this[context].origin;
631+
return this.#context.origin;
634632
}
635633

636634
get protocol() {
637-
if (!isURL(this))
638-
throw new ERR_INVALID_THIS('URL');
639-
return this[context].protocol;
635+
return this.#context.protocol;
640636
}
641637

642638
set protocol(value) {
643-
if (!isURL(this))
644-
throw new ERR_INVALID_THIS('URL');
645-
updateUrl(this[context].href, updateActions.kProtocol, `${value}`, this.#onParseComplete);
639+
updateUrl(this.#context.href, updateActions.kProtocol, `${value}`, this.#onParseComplete);
646640
}
647641

648642
get username() {
649-
if (!isURL(this))
650-
throw new ERR_INVALID_THIS('URL');
651-
return this[context].username;
643+
return this.#context.username;
652644
}
653645

654646
set username(value) {
655-
if (!isURL(this))
656-
throw new ERR_INVALID_THIS('URL');
657-
updateUrl(this[context].href, updateActions.kUsername, `${value}`, this.#onParseComplete);
647+
updateUrl(this.#context.href, updateActions.kUsername, `${value}`, this.#onParseComplete);
658648
}
659649

660650
get password() {
661-
if (!isURL(this))
662-
throw new ERR_INVALID_THIS('URL');
663-
return this[context].password;
651+
return this.#context.password;
664652
}
665653

666654
set password(value) {
667-
if (!isURL(this))
668-
throw new ERR_INVALID_THIS('URL');
669-
updateUrl(this[context].href, updateActions.kPassword, `${value}`, this.#onParseComplete);
655+
updateUrl(this.#context.href, updateActions.kPassword, `${value}`, this.#onParseComplete);
670656
}
671657

672658
get host() {
673-
if (!isURL(this))
674-
throw new ERR_INVALID_THIS('URL');
675-
const port = this[context].port;
659+
const port = this.#context.port;
676660
const suffix = port.length > 0 ? `:${port}` : '';
677-
return this[context].hostname + suffix;
661+
return this.#context.hostname + suffix;
678662
}
679663

680664
set host(value) {
681-
if (!isURL(this))
682-
throw new ERR_INVALID_THIS('URL');
683-
updateUrl(this[context].href, updateActions.kHost, `${value}`, this.#onParseComplete);
665+
updateUrl(this.#context.href, updateActions.kHost, `${value}`, this.#onParseComplete);
684666
}
685667

686668
get hostname() {
687-
if (!isURL(this))
688-
throw new ERR_INVALID_THIS('URL');
689-
return this[context].hostname;
669+
return this.#context.hostname;
690670
}
691671

692672
set hostname(value) {
693-
if (!isURL(this))
694-
throw new ERR_INVALID_THIS('URL');
695-
updateUrl(this[context].href, updateActions.kHostname, `${value}`, this.#onParseComplete);
673+
updateUrl(this.#context.href, updateActions.kHostname, `${value}`, this.#onParseComplete);
696674
}
697675

698676
get port() {
699-
if (!isURL(this))
700-
throw new ERR_INVALID_THIS('URL');
701-
return this[context].port;
677+
return this.#context.port;
702678
}
703679

704680
set port(value) {
705-
if (!isURL(this))
706-
throw new ERR_INVALID_THIS('URL');
707-
updateUrl(this[context].href, updateActions.kPort, `${value}`, this.#onParseComplete);
681+
updateUrl(this.#context.href, updateActions.kPort, `${value}`, this.#onParseComplete);
708682
}
709683

710684
get pathname() {
711-
if (!isURL(this))
712-
throw new ERR_INVALID_THIS('URL');
713-
return this[context].pathname;
685+
return this.#context.pathname;
714686
}
715687

716688
set pathname(value) {
717-
if (!isURL(this))
718-
throw new ERR_INVALID_THIS('URL');
719-
updateUrl(this[context].href, updateActions.kPathname, `${value}`, this.#onParseComplete);
689+
updateUrl(this.#context.href, updateActions.kPathname, `${value}`, this.#onParseComplete);
720690
}
721691

722692
get search() {
723-
if (!isURL(this))
724-
throw new ERR_INVALID_THIS('URL');
725-
return this[context].search;
693+
return this.#context.search;
726694
}
727695

728696
set search(value) {
729-
if (!isURL(this))
730-
throw new ERR_INVALID_THIS('URL');
731-
updateUrl(this[context].href, updateActions.kSearch, toUSVString(value), this.#onParseComplete);
697+
updateUrl(this.#context.href, updateActions.kSearch, toUSVString(value), this.#onParseComplete);
732698
}
733699

734700
// readonly
735701
get searchParams() {
736-
if (!isURL(this))
737-
throw new ERR_INVALID_THIS('URL');
738702
// Create URLSearchParams on demand to greatly improve the URL performance.
739-
if (this[searchParams] == null) {
740-
this[searchParams] = new URLSearchParams(this[context].search);
741-
this[searchParams][context] = this;
703+
if (this.#searchParams == null) {
704+
this.#searchParams = new URLSearchParams(this.#context.search);
705+
this.#searchParams[context] = this;
742706
}
743-
return this[searchParams];
707+
return this.#searchParams;
744708
}
745709

746710
get hash() {
747-
if (!isURL(this))
748-
throw new ERR_INVALID_THIS('URL');
749-
return this[context].hash;
711+
return this.#context.hash;
750712
}
751713

752714
set hash(value) {
753-
if (!isURL(this))
754-
throw new ERR_INVALID_THIS('URL');
755-
updateUrl(this[context].href, updateActions.kHash, `${value}`, this.#onParseComplete);
715+
updateUrl(this.#context.href, updateActions.kHash, `${value}`, this.#onParseComplete);
756716
}
757717

758718
toJSON() {
759-
if (!isURL(this))
760-
throw new ERR_INVALID_THIS('URL');
761-
return this[context].href;
719+
return this.#context.href;
762720
}
763721

764722
static createObjectURL(obj) {
@@ -1206,7 +1164,7 @@ function getPathFromURLPosix(url) {
12061164
function fileURLToPath(path) {
12071165
if (typeof path === 'string')
12081166
path = new URL(path);
1209-
else if (!isURLInstance(path))
1167+
else if (!isURL(path))
12101168
throw new ERR_INVALID_ARG_TYPE('path', ['string', 'URL'], path);
12111169
if (path.protocol !== 'file:')
12121170
throw new ERR_INVALID_URL_SCHEME('file');
@@ -1282,12 +1240,8 @@ function pathToFileURL(filepath) {
12821240
return outURL;
12831241
}
12841242

1285-
function isURLInstance(fileURLOrPath) {
1286-
return fileURLOrPath != null && fileURLOrPath.href && fileURLOrPath.origin;
1287-
}
1288-
12891243
function toPathIfFileURL(fileURLOrPath) {
1290-
if (!isURLInstance(fileURLOrPath))
1244+
if (!isURL(fileURLOrPath))
12911245
return fileURLOrPath;
12921246
return fileURLToPath(fileURLOrPath);
12931247
}
@@ -1297,7 +1251,6 @@ module.exports = {
12971251
fileURLToPath,
12981252
pathToFileURL,
12991253
toPathIfFileURL,
1300-
isURLInstance,
13011254
URL,
13021255
URLSearchParams,
13031256
domainToASCII,

‎lib/internal/worker.js‎

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -55,7 +55,7 @@ const {
5555
WritableWorkerStdio,
5656
} = workerIo;
5757
const { deserializeError } = require('internal/error_serdes');
58-
const { fileURLToPath, isURLInstance, pathToFileURL } = require('internal/url');
58+
const { fileURLToPath, isURL, pathToFileURL } = require('internal/url');
5959
const { kEmptyObject } = require('internal/util');
6060
const { validateArray } = require('internal/validators');
6161

@@ -148,13 +148,13 @@ class Worker extends EventEmitter {
148148
}
149149
url = null;
150150
doEval = 'classic';
151-
} else if (isURLInstance(filename) && filename.protocol === 'data:') {
151+
} else if (isURL(filename) && filename.protocol === 'data:') {
152152
url = null;
153153
doEval = 'module';
154154
filename = `import ${JSONStringify(`${filename}`)}`;
155155
} else {
156156
doEval = false;
157-
if (isURLInstance(filename)) {
157+
if (isURL(filename)) {
158158
url = filename;
159159
filename = fileURLToPath(filename);
160160
} else if (typeof filename !== 'string') {

‎test/parallel/test-whatwg-url-custom-inspect.js‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -61,7 +61,7 @@ assert.strictEqual(
6161

6262
assert.strictEqual(
6363
util.inspect({ a: url }, { depth: 0 }),
64-
'{ a: [URL] }');
64+
'{ a: URL {} }');
6565

6666
class MyURL extends URL {}
6767
assert(util.inspect(new MyURL(url.href)).startsWith('MyURL {'));

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