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123 lines
2.6 KiB
JavaScript

"use strict";
const stableSortBy = require("lodash/sortBy");
const urlencoded = require("./urlencoded");
exports.implementation = class URLSearchParamsImpl {
constructor(globalObject, constructorArgs, { doNotStripQMark = false }) {
let init = constructorArgs[0];
this._list = [];
this._url = null;
if (!doNotStripQMark && typeof init === "string" && init[0] === "?") {
init = init.slice(1);
}
if (Array.isArray(init)) {
for (const pair of init) {
if (pair.length !== 2) {
throw new TypeError("Failed to construct 'URLSearchParams': parameter 1 sequence's element does not " +
"contain exactly two elements.");
}
this._list.push([pair[0], pair[1]]);
}
} else if (typeof init === "object" && Object.getPrototypeOf(init) === null) {
for (const name of Object.keys(init)) {
const value = init[name];
this._list.push([name, value]);
}
} else {
this._list = urlencoded.parseUrlencodedString(init);
}
}
_updateSteps() {
if (this._url !== null) {
let query = urlencoded.serializeUrlencoded(this._list);
if (query === "") {
query = null;
}
this._url._url.query = query;
}
}
append(name, value) {
this._list.push([name, value]);
this._updateSteps();
}
delete(name) {
let i = 0;
while (i < this._list.length) {
if (this._list[i][0] === name) {
this._list.splice(i, 1);
} else {
i++;
}
}
this._updateSteps();
}
get(name) {
for (const tuple of this._list) {
if (tuple[0] === name) {
return tuple[1];
}
}
return null;
}
getAll(name) {
const output = [];
for (const tuple of this._list) {
if (tuple[0] === name) {
output.push(tuple[1]);
}
}
return output;
}
has(name) {
for (const tuple of this._list) {
if (tuple[0] === name) {
return true;
}
}
return false;
}
set(name, value) {
let found = false;
let i = 0;
while (i < this._list.length) {
if (this._list[i][0] === name) {
if (found) {
this._list.splice(i, 1);
} else {
found = true;
this._list[i][1] = value;
i++;
}
} else {
i++;
}
}
if (!found) {
this._list.push([name, value]);
}
this._updateSteps();
}
sort() {
this._list = stableSortBy(this._list, [0]);
this._updateSteps();
}
[Symbol.iterator]() {
return this._list[Symbol.iterator]();
}
toString() {
return urlencoded.serializeUrlencoded(this._list);
}
};