126 lines
3.3 KiB
JavaScript
126 lines
3.3 KiB
JavaScript
export function getParameterByName(name, url) {
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name = name.replace(/[[\]]/g, '\\$&');
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var regex = new RegExp('[?&]' + name + '(=([^&#]*)|&|#|$)');
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var results = regex.exec(url);
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if (!results) return null;
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if (!results[2]) return '';
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return decodeURIComponent(results[2].replace(/\+/g, ' '));
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}
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export function parametersFromURL(url) {
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url = url.split('?').slice(-1)[0];
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var obj = {};
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url.replace(/([^=&]+)=([^&]*)/g, function(m, key, value) {
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obj[decodeURIComponent(key)] = decodeURIComponent(value);
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});
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return obj;
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}
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export function isNullOrUndefined(value) {
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return value === null || value === undefined;
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}
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export function getPlatformString() {
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try {
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var platform = navigator.platform.toLowerCase();
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var trimmed = '';
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if (platform.indexOf('mac') !== -1) {
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trimmed = 'mac';
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} else if (platform.indexOf('win') !== -1) {
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trimmed = 'windows';
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}
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if (platform.indexOf('linux') !== -1) {
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trimmed = 'linux';
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}
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return trimmed + (isDesktopApplication() ? '-desktop' : '-web');
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} catch (e) {
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return null;
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}
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}
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/** Via https://davidwalsh.name/javascript-debounce-function */
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export function debounce(func, wait, immediate) {
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var timeout;
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return function () {
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const context = this;
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const args = arguments;
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const later = function () {
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timeout = null;
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if (!immediate) func.apply(context, args);
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};
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const callNow = immediate && !timeout;
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clearTimeout(timeout);
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timeout = setTimeout(later, wait);
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if (callNow) func.apply(context, args);
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};
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};
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export function isDesktopApplication() {
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return window.isElectron;
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}
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/* Use with numbers and strings, not objects */
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// eslint-disable-next-line no-extend-native
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Array.prototype.containsPrimitiveSubset = function(array) {
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return !array.some(val => this.indexOf(val) === -1);
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};
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// https://tc39.github.io/ecma262/#sec-array.prototype.includes
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if (!Array.prototype.includes) {
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// eslint-disable-next-line no-extend-native
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Object.defineProperty(Array.prototype, 'includes', {
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value: function(searchElement, fromIndex) {
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if (this == null) {
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throw new TypeError('"this" is null or not defined');
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}
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// 1. Let O be ? ToObject(this value).
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var o = Object(this);
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// 2. Let len be ? ToLength(? Get(O, "length")).
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var len = o.length >>> 0;
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// 3. If len is 0, return false.
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if (len === 0) {
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return false;
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}
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// 4. Let n be ? ToInteger(fromIndex).
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// (If fromIndex is undefined, this step produces the value 0.)
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var n = fromIndex | 0;
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// 5. If n ≥ 0, then
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// a. Let k be n.
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// 6. Else n < 0,
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// a. Let k be len + n.
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// b. If k < 0, let k be 0.
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var k = Math.max(n >= 0 ? n : len - Math.abs(n), 0);
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function sameValueZero(x, y) {
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return (
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x === y ||
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(typeof x === 'number' &&
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typeof y === 'number' &&
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isNaN(x) &&
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isNaN(y))
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);
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}
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// 7. Repeat, while k < len
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while (k < len) {
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// a. Let elementK be the result of ? Get(O, ! ToString(k)).
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// b. If SameValueZero(searchElement, elementK) is true, return true.
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if (sameValueZero(o[k], searchElement)) {
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return true;
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}
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// c. Increase k by 1.
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k++;
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}
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// 8. Return false
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return false;
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}
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});
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}
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