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url: more precise URLSearchParams constructor
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PR-URL: #13026
Ref: web-platform-tests/wpt#5813
Reviewed-By: Daijiro Wachi <[email protected]>
Reviewed-By: Joyee Cheung <[email protected]>
Reviewed-By: James M Snell <[email protected]>
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@TimothyGu @jasnell
TimothyGu authored and jasnell committed Jun 1, 2017
1 parent 3fba3d6 commit 95eef9b
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Showing 2 changed files with 58 additions and 30 deletions.
29 changes: 19 additions & 10 deletions lib/internal/url.js
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Original file line number Diff line number Diff line change
Expand Up @@ -814,7 +814,8 @@ class URLSearchParams {
constructor(init = undefined) {
if (init === null || init === undefined) {
this[searchParams] = [];
} else if (typeof init === 'object') {
} else if ((typeof init === 'object' && init !== null) ||
typeof init === 'function') {
const method = init[Symbol.iterator];
if (method === this[Symbol.iterator]) {
// While the spec does not have this branch, we can use it as a
Expand All @@ -830,12 +831,16 @@ class URLSearchParams {
// Note: per spec we have to first exhaust the lists then process them
const pairs = [];
for (const pair of init) {
if (typeof pair !== 'object' ||
if ((typeof pair !== 'object' && typeof pair !== 'function') ||
pair === null ||
typeof pair[Symbol.iterator] !== 'function') {
throw new errors.TypeError('ERR_INVALID_TUPLE', 'Each query pair',
'[name, value]');
}
pairs.push(Array.from(pair));
const convertedPair = [];
for (const element of pair)
convertedPair.push(toUSVString(element));
pairs.push(convertedPair);
}

this[searchParams] = [];
Expand All @@ -844,17 +849,21 @@ class URLSearchParams {
throw new errors.TypeError('ERR_INVALID_TUPLE', 'Each query pair',
'[name, value]');
}
const key = toUSVString(pair[0]);
const value = toUSVString(pair[1]);
this[searchParams].push(key, value);
this[searchParams].push(pair[0], pair[1]);
}
} else {
// record<USVString, USVString>
// Need to use reflection APIs for full spec compliance.
this[searchParams] = [];
for (var key of Object.keys(init)) {
key = toUSVString(key);
const value = toUSVString(init[key]);
this[searchParams].push(key, value);
const keys = Reflect.ownKeys(init);
for (var i = 0; i < keys.length; i++) {
const key = keys[i];
const desc = Reflect.getOwnPropertyDescriptor(init, key);
if (desc !== undefined && desc.enumerable) {
const typedKey = toUSVString(key);
const typedValue = toUSVString(init[key]);
this[searchParams].push(typedKey, typedValue);
}
}
}
} else {
Expand Down
59 changes: 39 additions & 20 deletions test/parallel/test-whatwg-url-searchparams-constructor.js
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Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@ const {
/* eslint-disable */
var params; // Strict mode fix for WPT.
/* WPT Refs:
https://github.com/w3c/web-platform-tests/blob/e94c604916/url/urlsearchparams-constructor.html
https://github.com/w3c/web-platform-tests/blob/54c3502d7b/url/urlsearchparams-constructor.html
License: http://www.w3.org/Consortium/Legal/2008/04-testsuite-copyright.html
*/
test(function() {
Expand Down Expand Up @@ -87,6 +87,17 @@ test(function() {
assert_equals(params.get('a b'), 'c');
}, 'Parse +');

test(function() {
const testValue = '+15555555555';
const params = new URLSearchParams();
params.set('query', testValue);
var newParams = new URLSearchParams(params.toString());

assert_equals(params.toString(), 'query=%2B15555555555');
assert_equals(params.get('query'), testValue);
assert_equals(newParams.get('query'), testValue);
}, 'Parse encoded +');

test(function() {
var params = new URLSearchParams('a=b c');
assert_equals(params.get('a'), 'b c');
Expand Down Expand Up @@ -156,7 +167,8 @@ test(function() {
[
{ "input": {"+": "%C2"}, "output": [["+", "%C2"]], "name": "object with +" },
{ "input": {c: "x", a: "?"}, "output": [["c", "x"], ["a", "?"]], "name": "object with two keys" },
{ "input": [["c", "x"], ["a", "?"]], "output": [["c", "x"], ["a", "?"]], "name": "array with two keys" }
{ "input": [["c", "x"], ["a", "?"]], "output": [["c", "x"], ["a", "?"]], "name": "array with two keys" },
{ "input": {"a\0b": "42", "c\uD83D": "23", "d\u1234": "foo"}, "output": [["a\0b", "42"], ["c\uFFFD", "23"], ["d\u1234", "foo"]], "name": "object with NULL, non-ASCII, and surrogate keys" }
].forEach((val) => {
test(() => {
let params = new URLSearchParams(val.input),
Expand All @@ -179,12 +191,12 @@ test(() => {
/* eslint-enable */

// Tests below are not from WPT.
{
// assert.throws(() => {
// new URLSearchParams({
// toString() { throw new TypeError('Illegal invocation'); }
// });
// }, TypeError);
function makeIterableFunc(array) {
return Object.assign(() => {}, {
[Symbol.iterator]() {
return array[Symbol.iterator]();
}
});
}

{
Expand All @@ -200,17 +212,25 @@ test(() => {
});

let params;
// URLSearchParams constructor, undefined and null as argument
params = new URLSearchParams(undefined);
assert.strictEqual(params.toString(), '');
params = new URLSearchParams(null);
assert.strictEqual(params.toString(), '');
params = new URLSearchParams(
makeIterableFunc([['key', 'val'], ['key2', 'val2']])
);
assert.strictEqual(params.toString(), 'key=val&key2=val2');
params = new URLSearchParams(
makeIterableFunc([['key', 'val'], ['key2', 'val2']].map(makeIterableFunc))
);
assert.strictEqual(params.toString(), 'key=val&key2=val2');
assert.throws(() => new URLSearchParams([[1]]), tupleError);
assert.throws(() => new URLSearchParams([[1, 2, 3]]), tupleError);
assert.throws(() => new URLSearchParams({ [Symbol.iterator]: 42 }),
iterableError);
assert.throws(() => new URLSearchParams([{}]), tupleError);
assert.throws(() => new URLSearchParams(['a']), tupleError);
assert.throws(() => new URLSearchParams([null]), tupleError);
assert.throws(() => new URLSearchParams([{ [Symbol.iterator]: 42 }]),
tupleError);
}
Expand All @@ -221,15 +241,14 @@ test(() => {
valueOf() { throw new Error('valueOf'); }
};
const sym = Symbol();

assert.throws(() => new URLSearchParams({ a: obj }), /^Error: toString$/);
assert.throws(() => new URLSearchParams([['a', obj]]), /^Error: toString$/);
assert.throws(() => new URLSearchParams(sym),
/^TypeError: Cannot convert a Symbol value to a string$/);
assert.throws(() => new URLSearchParams({ a: sym }),
/^TypeError: Cannot convert a Symbol value to a string$/);
assert.throws(() => new URLSearchParams([[sym, 'a']]),
/^TypeError: Cannot convert a Symbol value to a string$/);
assert.throws(() => new URLSearchParams([['a', sym]]),
/^TypeError: Cannot convert a Symbol value to a string$/);
const toStringError = /^Error: toString$/;
const symbolError = /^TypeError: Cannot convert a Symbol value to a string$/;

assert.throws(() => new URLSearchParams({ a: obj }), toStringError);
assert.throws(() => new URLSearchParams([['a', obj]]), toStringError);
assert.throws(() => new URLSearchParams(sym), symbolError);
assert.throws(() => new URLSearchParams({ [sym]: 'a' }), symbolError);
assert.throws(() => new URLSearchParams({ a: sym }), symbolError);
assert.throws(() => new URLSearchParams([[sym, 'a']]), symbolError);
assert.throws(() => new URLSearchParams([['a', sym]]), symbolError);
}

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