Telegram Web K with changes to work inside I2P
https://web.telegram.i2p/
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94 lines
2.5 KiB
94 lines
2.5 KiB
![]()
4 years ago
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export function copy<T>(obj: T): T {
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//in case of premitives
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if(obj === null || typeof(obj) !== "object") {
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return obj;
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}
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//date objects should be
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if(obj instanceof Date) {
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return new Date(obj.getTime()) as any;
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}
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//handle Array
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if(Array.isArray(obj)) {
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const clonedArr: T = obj.map(el => copy(el)) as any as T;
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return clonedArr;
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}
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//lastly, handle objects
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// @ts-ignore
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let clonedObj = new obj.constructor();
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for(var prop in obj){
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if(obj.hasOwnProperty(prop)) {
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clonedObj[prop] = copy(obj[prop]);
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}
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}
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return clonedObj;
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}
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export function deepEqual(x: any, y: any): boolean {
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const ok = Object.keys, tx = typeof x, ty = typeof y;
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return x && y && tx === 'object' && tx === ty ? (
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ok(x).length === ok(y).length &&
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ok(x).every(key => deepEqual(x[key], y[key]))
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) : (x === y);
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}
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export function defineNotNumerableProperties(obj: {[key: string]: any}, names: string[]) {
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//const perf = performance.now();
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const props = {writable: true, configurable: true};
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const out: {[name: string]: typeof props} = {};
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names.forEach(name => {
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if(obj[name] === undefined) {
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out[name] = props;
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}
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});
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Object.defineProperties(obj, out);
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//console.log('defineNotNumerableProperties time:', performance.now() - perf);
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}
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export function getObjectKeysAndSort(object: any, sort: 'asc' | 'desc' = 'asc') {
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const ids = Object.keys(object).map(i => +i);
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if(sort == 'asc') return ids.sort((a, b) => a - b);
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else return ids.sort((a, b) => b - a);
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}
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export function safeReplaceObject(wasObject: any, newObject: any) {
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for(var key in wasObject) {
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if(!newObject.hasOwnProperty(key) && key.charAt(0) != '$') {
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delete wasObject[key];
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}
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}
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for(var key in newObject) {
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//if (newObject.hasOwnProperty(key)) { // useless
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wasObject[key] = newObject[key];
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//}
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}
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}
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/**
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* Will be used for FILE_REFERENCE_EXPIRED
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* @param key
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* @param wasObject
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* @param newObject
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*/
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export function safeReplaceArrayInObject<K>(key: K, wasObject: any, newObject: any) {
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if('byteLength' in newObject[key]) { // Uint8Array
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newObject[key] = [...newObject[key]];
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}
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if(wasObject && wasObject[key] != newObject[key]) {
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wasObject[key].length = newObject[key].length;
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(newObject[key] as any[]).forEach((v, i) => {
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wasObject[key][i] = v;
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});
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/* wasObject[key].set(newObject[key]); */
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newObject[key] = wasObject[key];
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}
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}
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export function isObject(object: any) {
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return typeof(object) === 'object' && object !== null;
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}
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