mirror of
https://gitlab.com/octtspacc/Friendiiverse
synced 2024-12-22 13:25:55 +01:00
492 lines
14 KiB
JavaScript
492 lines
14 KiB
JavaScript
/**
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* URL Polyfill
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* Draft specification: https://url.spec.whatwg.org
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* https://polyfill.io/
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*/
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(function (global) {
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'use strict';
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function isSequence(o) {
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if (!o) return false;
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if ('Symbol' in global && 'iterator' in global.Symbol &&
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typeof o[Symbol.iterator] === 'function') return true;
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if (Array.isArray(o)) return true;
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return false;
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}
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function toArray(iter) {
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return ('from' in Array) ? Array.from(iter) : Array.prototype.slice.call(iter);
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}
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(function() {
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// Browsers may have:
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// * No global URL object
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// * URL with static methods only - may have a dummy constructor
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// * URL with members except searchParams
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// * Full URL API support
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var origURL = global.URL;
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var nativeURL;
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try {
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if (origURL) {
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nativeURL = new global.URL('http://example.com');
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if ('searchParams' in nativeURL) {
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var url = new URL('http://example.com');
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url.search = 'a=1&b=2';
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if (url.href === 'http://example.com/?a=1&b=2') {
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url.search = '';
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if (url.href === 'http://example.com/') {
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return;
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}
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}
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}
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if (!('href' in nativeURL)) {
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nativeURL = undefined;
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}
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nativeURL = undefined;
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}
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// eslint-disable-next-line no-empty
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} catch (_) {}
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// NOTE: Doesn't do the encoding/decoding dance
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function urlencoded_serialize(pairs) {
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var output = '', first = true;
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pairs.forEach(function (pair) {
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var name = encodeURIComponent(pair.name);
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var value = encodeURIComponent(pair.value);
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if (!first) output += '&';
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output += name + '=' + value;
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first = false;
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});
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return output.replace(/%20/g, '+');
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}
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// NOTE: Doesn't do the encoding/decoding dance
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function urlencoded_parse(input, isindex) {
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var sequences = input.split('&');
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if (isindex && sequences[0].indexOf('=') === -1)
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sequences[0] = '=' + sequences[0];
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var pairs = [];
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sequences.forEach(function (bytes) {
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if (bytes.length === 0) return;
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var index = bytes.indexOf('=');
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if (index !== -1) {
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var name = bytes.substring(0, index);
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var value = bytes.substring(index + 1);
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} else {
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name = bytes;
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value = '';
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}
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name = name.replace(/\+/g, ' ');
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value = value.replace(/\+/g, ' ');
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pairs.push({ name: name, value: value });
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});
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var output = [];
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pairs.forEach(function (pair) {
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output.push({
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name: decodeURIComponent(pair.name),
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value: decodeURIComponent(pair.value)
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});
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});
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return output;
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}
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function URLUtils(url) {
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if (nativeURL)
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return new origURL(url);
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var anchor = document.createElement('a');
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anchor.href = url;
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return anchor;
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}
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function URLSearchParams(init) {
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var $this = this;
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this._list = [];
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if (init === undefined || init === null) {
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// no-op
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} else if (init instanceof URLSearchParams) {
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// In ES6 init would be a sequence, but special case for ES5.
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this._list = urlencoded_parse(String(init));
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} else if (typeof init === 'object' && isSequence(init)) {
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toArray(init).forEach(function(e) {
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if (!isSequence(e)) throw TypeError();
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var nv = toArray(e);
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if (nv.length !== 2) throw TypeError();
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$this._list.push({name: String(nv[0]), value: String(nv[1])});
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});
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} else if (typeof init === 'object' && init) {
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Object.keys(init).forEach(function(key) {
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$this._list.push({name: String(key), value: String(init[key])});
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});
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} else {
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init = String(init);
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if (init.substring(0, 1) === '?')
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init = init.substring(1);
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this._list = urlencoded_parse(init);
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}
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this._url_object = null;
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this._setList = function (list) { if (!updating) $this._list = list; };
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var updating = false;
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this._update_steps = function() {
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if (updating) return;
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updating = true;
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if (!$this._url_object) return;
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// Partial workaround for IE issue with 'about:'
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if ($this._url_object.protocol === 'about:' &&
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$this._url_object.pathname.indexOf('?') !== -1) {
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$this._url_object.pathname = $this._url_object.pathname.split('?')[0];
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}
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$this._url_object.search = urlencoded_serialize($this._list);
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updating = false;
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};
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}
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Object.defineProperties(URLSearchParams.prototype, {
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append: {
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value: function (name, value) {
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this._list.push({ name: name, value: value });
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this._update_steps();
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}, writable: true, enumerable: true, configurable: true
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},
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'delete': {
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value: function (name) {
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for (var i = 0; i < this._list.length;) {
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if (this._list[i].name === name)
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this._list.splice(i, 1);
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else
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++i;
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}
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this._update_steps();
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}, writable: true, enumerable: true, configurable: true
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},
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get: {
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value: function (name) {
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for (var i = 0; i < this._list.length; ++i) {
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if (this._list[i].name === name)
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return this._list[i].value;
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}
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return null;
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}, writable: true, enumerable: true, configurable: true
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},
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getAll: {
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value: function (name) {
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var result = [];
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for (var i = 0; i < this._list.length; ++i) {
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if (this._list[i].name === name)
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result.push(this._list[i].value);
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}
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return result;
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}, writable: true, enumerable: true, configurable: true
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},
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has: {
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value: function (name) {
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for (var i = 0; i < this._list.length; ++i) {
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if (this._list[i].name === name)
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return true;
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}
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return false;
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}, writable: true, enumerable: true, configurable: true
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},
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set: {
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value: function (name, value) {
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var found = false;
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for (var i = 0; i < this._list.length;) {
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if (this._list[i].name === name) {
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if (!found) {
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this._list[i].value = value;
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found = true;
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++i;
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} else {
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this._list.splice(i, 1);
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}
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} else {
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++i;
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}
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}
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if (!found)
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this._list.push({ name: name, value: value });
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this._update_steps();
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}, writable: true, enumerable: true, configurable: true
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},
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entries: {
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value: function() { return new Iterator(this._list, 'key+value'); },
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writable: true, enumerable: true, configurable: true
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},
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keys: {
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value: function() { return new Iterator(this._list, 'key'); },
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writable: true, enumerable: true, configurable: true
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},
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values: {
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value: function() { return new Iterator(this._list, 'value'); },
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writable: true, enumerable: true, configurable: true
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},
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forEach: {
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value: function(callback) {
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var thisArg = (arguments.length > 1) ? arguments[1] : undefined;
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this._list.forEach(function(pair) {
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callback.call(thisArg, pair.value, pair.name);
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});
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}, writable: true, enumerable: true, configurable: true
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},
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toString: {
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value: function () {
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return urlencoded_serialize(this._list);
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}, writable: true, enumerable: false, configurable: true
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}
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});
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function Iterator(source, kind) {
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var index = 0;
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this.next = function() {
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if (index >= source.length)
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return {done: true, value: undefined};
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var pair = source[index++];
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return {done: false, value:
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kind === 'key' ? pair.name :
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kind === 'value' ? pair.value :
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[pair.name, pair.value]};
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};
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}
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if ('Symbol' in global && 'iterator' in global.Symbol) {
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Object.defineProperty(URLSearchParams.prototype, global.Symbol.iterator, {
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value: URLSearchParams.prototype.entries,
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writable: true, enumerable: true, configurable: true});
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Object.defineProperty(Iterator.prototype, global.Symbol.iterator, {
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value: function() { return this; },
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writable: true, enumerable: true, configurable: true});
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}
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function URL(url, base) {
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if (!(this instanceof global.URL))
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throw new TypeError("Failed to construct 'URL': Please use the 'new' operator.");
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if (base) {
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url = (function () {
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if (nativeURL) return new origURL(url, base).href;
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var iframe;
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try {
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var doc;
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// Use another document/base tag/anchor for relative URL resolution, if possible
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if (Object.prototype.toString.call(window.operamini) === "[object OperaMini]") {
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iframe = document.createElement('iframe');
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iframe.style.display = 'none';
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document.documentElement.appendChild(iframe);
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doc = iframe.contentWindow.document;
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} else if (document.implementation && document.implementation.createHTMLDocument) {
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doc = document.implementation.createHTMLDocument('');
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} else if (document.implementation && document.implementation.createDocument) {
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doc = document.implementation.createDocument('http://www.w3.org/1999/xhtml', 'html', null);
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doc.documentElement.appendChild(doc.createElement('head'));
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doc.documentElement.appendChild(doc.createElement('body'));
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} else if (window.ActiveXObject) {
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doc = new window.ActiveXObject('htmlfile');
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doc.write('<head></head><body></body>');
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doc.close();
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}
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if (!doc) throw Error('base not supported');
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var baseTag = doc.createElement('base');
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baseTag.href = base;
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doc.getElementsByTagName('head')[0].appendChild(baseTag);
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var anchor = doc.createElement('a');
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anchor.href = url;
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return anchor.href;
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} finally {
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if (iframe)
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iframe.parentNode.removeChild(iframe);
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}
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}());
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}
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// An inner object implementing URLUtils (either a native URL
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// object or an HTMLAnchorElement instance) is used to perform the
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// URL algorithms. With full ES5 getter/setter support, return a
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// regular object For IE8's limited getter/setter support, a
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// different HTMLAnchorElement is returned with properties
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// overridden
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var instance = URLUtils(url || '');
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// Detect for ES5 getter/setter support
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// (an Object.defineProperties polyfill that doesn't support getters/setters may throw)
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var ES5_GET_SET = (function() {
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if (!('defineProperties' in Object)) return false;
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try {
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var obj = {};
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Object.defineProperties(obj, { prop: { get: function () { return true; } } });
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return obj.prop;
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} catch (_) {
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return false;
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}
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}());
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var self = ES5_GET_SET ? this : document.createElement('a');
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var query_object = new URLSearchParams(
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instance.search ? instance.search.substring(1) : null);
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query_object._url_object = self;
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Object.defineProperties(self, {
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href: {
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get: function () { return instance.href; },
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set: function (v) { instance.href = v; tidy_instance(); update_steps(); },
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enumerable: true, configurable: true
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},
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origin: {
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get: function () {
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if ('origin' in instance) return instance.origin;
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return this.protocol + '//' + this.host;
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},
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enumerable: true, configurable: true
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},
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protocol: {
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get: function () { return instance.protocol; },
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set: function (v) { instance.protocol = v; },
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enumerable: true, configurable: true
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},
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username: {
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get: function () { return instance.username; },
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set: function (v) { instance.username = v; },
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enumerable: true, configurable: true
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},
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password: {
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get: function () { return instance.password; },
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set: function (v) { instance.password = v; },
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enumerable: true, configurable: true
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},
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host: {
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get: function () {
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// IE returns default port in |host|
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var re = {'http:': /:80$/, 'https:': /:443$/, 'ftp:': /:21$/}[instance.protocol];
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return re ? instance.host.replace(re, '') : instance.host;
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},
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set: function (v) { instance.host = v; },
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enumerable: true, configurable: true
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},
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hostname: {
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get: function () { return instance.hostname; },
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set: function (v) { instance.hostname = v; },
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enumerable: true, configurable: true
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},
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port: {
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get: function () { return instance.port; },
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set: function (v) { instance.port = v; },
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enumerable: true, configurable: true
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},
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pathname: {
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get: function () {
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// IE does not include leading '/' in |pathname|
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if (instance.pathname.charAt(0) !== '/') return '/' + instance.pathname;
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return instance.pathname;
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},
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set: function (v) { instance.pathname = v; },
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enumerable: true, configurable: true
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},
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search: {
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get: function () { return instance.search; },
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set: function (v) {
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if (instance.search === v) return;
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instance.search = v; tidy_instance(); update_steps();
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},
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enumerable: true, configurable: true
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},
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searchParams: {
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get: function () { return query_object; },
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enumerable: true, configurable: true
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},
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hash: {
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get: function () { return instance.hash; },
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set: function (v) { instance.hash = v; tidy_instance(); },
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enumerable: true, configurable: true
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},
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toString: {
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value: function() { return instance.toString(); },
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enumerable: false, configurable: true
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},
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valueOf: {
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value: function() { return instance.valueOf(); },
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enumerable: false, configurable: true
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}
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});
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function tidy_instance() {
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var href = instance.href.replace(/#$|\?$|\?(?=#)/g, '');
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if (instance.href !== href)
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instance.href = href;
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}
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function update_steps() {
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query_object._setList(instance.search ? urlencoded_parse(instance.search.substring(1)) : []);
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query_object._update_steps();
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}
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return self;
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}
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if (origURL) {
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for (var i in origURL) {
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if (Object.prototype.hasOwnProperty.call(origURL, i) && typeof origURL[i] === 'function')
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URL[i] = origURL[i];
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}
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}
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global.URL = URL;
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global.URLSearchParams = URLSearchParams;
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}());
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// Patch native URLSearchParams constructor to handle sequences/records
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// if necessary.
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(function() {
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if (new global.URLSearchParams([['a', 1]]).get('a') === '1' &&
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new global.URLSearchParams({a: 1}).get('a') === '1')
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return;
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var orig = global.URLSearchParams;
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global.URLSearchParams = function(init) {
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if (init && typeof init === 'object' && isSequence(init)) {
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var o = new orig();
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toArray(init).forEach(function(e) {
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if (!isSequence(e)) throw TypeError();
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var nv = toArray(e);
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if (nv.length !== 2) throw TypeError();
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o.append(nv[0], nv[1]);
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});
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return o;
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} else if (init && typeof init === 'object') {
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o = new orig();
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Object.keys(init).forEach(function(key) {
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o.set(key, init[key]);
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});
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return o;
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} else {
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return new orig(init);
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}
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};
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}());
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}(self));
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