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lib: cleanup instance validation #39656

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lib: cleanup instance validation #39656

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47 changes: 23 additions & 24 deletions lib/internal/url.js
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Original file line number Diff line number Diff line change
Expand Up @@ -153,6 +153,10 @@ class URLContext {
}
}

function isURLSearchParams(self) {
return self && self[searchParams] && !self[searchParams][searchParams];
}

class URLSearchParams {
// URL Standard says the default value is '', but as undefined and '' have
// the same result, undefined is used to prevent unnecessary parsing.
Expand Down Expand Up @@ -222,9 +226,8 @@ class URLSearchParams {
}

[inspect.custom](recurseTimes, ctx) {
if (!this || !this[searchParams] || this[searchParams][searchParams]) {
if (!isURLSearchParams(this))
throw new ERR_INVALID_THIS('URLSearchParams');
}

if (typeof recurseTimes === 'number' && recurseTimes < 0)
return ctx.stylize('[Object]', 'special');
Expand Down Expand Up @@ -259,9 +262,9 @@ class URLSearchParams {
}

append(name, value) {
if (!this || !this[searchParams] || this[searchParams][searchParams]) {
if (!isURLSearchParams(this))
throw new ERR_INVALID_THIS('URLSearchParams');
}

if (arguments.length < 2) {
throw new ERR_MISSING_ARGS('name', 'value');
}
Expand All @@ -273,9 +276,9 @@ class URLSearchParams {
}

delete(name) {
if (!this || !this[searchParams] || this[searchParams][searchParams]) {
if (!isURLSearchParams(this))
throw new ERR_INVALID_THIS('URLSearchParams');
}

if (arguments.length < 1) {
throw new ERR_MISSING_ARGS('name');
}
Expand All @@ -294,9 +297,9 @@ class URLSearchParams {
}

get(name) {
if (!this || !this[searchParams] || this[searchParams][searchParams]) {
if (!isURLSearchParams(this))
throw new ERR_INVALID_THIS('URLSearchParams');
}

if (arguments.length < 1) {
throw new ERR_MISSING_ARGS('name');
}
Expand All @@ -312,9 +315,9 @@ class URLSearchParams {
}

getAll(name) {
if (!this || !this[searchParams] || this[searchParams][searchParams]) {
if (!isURLSearchParams(this))
throw new ERR_INVALID_THIS('URLSearchParams');
}

if (arguments.length < 1) {
throw new ERR_MISSING_ARGS('name');
}
Expand All @@ -331,9 +334,9 @@ class URLSearchParams {
}

has(name) {
if (!this || !this[searchParams] || this[searchParams][searchParams]) {
if (!isURLSearchParams(this))
throw new ERR_INVALID_THIS('URLSearchParams');
}

if (arguments.length < 1) {
throw new ERR_MISSING_ARGS('name');
}
Expand All @@ -349,9 +352,9 @@ class URLSearchParams {
}

set(name, value) {
if (!this || !this[searchParams] || this[searchParams][searchParams]) {
if (!isURLSearchParams(this))
throw new ERR_INVALID_THIS('URLSearchParams');
}

if (arguments.length < 2) {
throw new ERR_MISSING_ARGS('name', 'value');
}
Expand Down Expand Up @@ -436,17 +439,16 @@ class URLSearchParams {
// Define entries here rather than [Symbol.iterator] as the function name
// must be set to `entries`.
entries() {
if (!this || !this[searchParams] || this[searchParams][searchParams]) {
if (!isURLSearchParams(this))
throw new ERR_INVALID_THIS('URLSearchParams');
}

return createSearchParamsIterator(this, 'key+value');
}

forEach(callback, thisArg = undefined) {
if (!this || !this[searchParams] || this[searchParams][searchParams]) {
if (!isURLSearchParams(this))
throw new ERR_INVALID_THIS('URLSearchParams');
}

validateCallback(callback);

let list = this[searchParams];
Expand All @@ -464,27 +466,24 @@ class URLSearchParams {

// https://heycam.github.io/webidl/#es-iterable
keys() {
if (!this || !this[searchParams] || this[searchParams][searchParams]) {
if (!isURLSearchParams(this))
throw new ERR_INVALID_THIS('URLSearchParams');
}

return createSearchParamsIterator(this, 'key');
}

values() {
if (!this || !this[searchParams] || this[searchParams][searchParams]) {
if (!isURLSearchParams(this))
throw new ERR_INVALID_THIS('URLSearchParams');
}

return createSearchParamsIterator(this, 'value');
}

// https://heycam.github.io/webidl/#es-stringifier
// https://url.spec.whatwg.org/#urlsearchparams-stringification-behavior
toString() {
if (!this || !this[searchParams] || this[searchParams][searchParams]) {
if (!isURLSearchParams(this))
throw new ERR_INVALID_THIS('URLSearchParams');
}

return serializeParams(this[searchParams]);
}
Expand Down