90 lines
2.5 KiB
HTML
90 lines
2.5 KiB
HTML
<!--
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@license
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Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
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This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
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The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
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The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
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Code distributed by Google as part of the polymer project is also
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subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
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-->
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<link rel="import" href="../polymer/polymer.html">
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<script>
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'use strict';
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Polymer({
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is: 'iron-query-params',
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properties: {
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paramsString: {
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type: String,
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notify: true,
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observer: 'paramsStringChanged',
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},
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paramsObject: {
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type: Object,
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notify: true,
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value: function() {
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return {};
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}
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},
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_dontReact: {
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type: Boolean,
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value: false
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}
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},
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hostAttributes: {
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hidden: true
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},
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observers: [
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'paramsObjectChanged(paramsObject.*)'
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],
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paramsStringChanged: function() {
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this._dontReact = true;
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this.paramsObject = this._decodeParams(this.paramsString);
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this._dontReact = false;
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},
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paramsObjectChanged: function() {
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if (this._dontReact) {
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return;
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}
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this.paramsString = this._encodeParams(this.paramsObject)
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.replace(/%3F/g, '?').replace(/%2F/g, '/').replace(/'/g, '%27');
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},
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_encodeParams: function(params) {
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var encodedParams = [];
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for (var key in params) {
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var value = params[key];
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if (value === '') {
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encodedParams.push(encodeURIComponent(key));
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} else if (value) {
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encodedParams.push(
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encodeURIComponent(key) +
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'=' +
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encodeURIComponent(value.toString())
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);
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}
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}
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return encodedParams.join('&');
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},
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_decodeParams: function(paramString) {
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var params = {};
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// Work around a bug in decodeURIComponent where + is not
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// converted to spaces:
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paramString = (paramString || '').replace(/\+/g, '%20');
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var paramList = paramString.split('&');
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for (var i = 0; i < paramList.length; i++) {
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var param = paramList[i].split('=');
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if (param[0]) {
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params[decodeURIComponent(param[0])] =
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decodeURIComponent(param[1] || '');
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}
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}
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return params;
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}
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});
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</script>
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