mirror of https://github.com/LemmyNet/lemmy.git
522 lines
14 KiB
TypeScript
522 lines
14 KiB
TypeScript
import 'moment/locale/es';
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import 'moment/locale/eo';
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import 'moment/locale/de';
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import 'moment/locale/zh-cn';
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import 'moment/locale/fr';
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import 'moment/locale/sv';
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import 'moment/locale/ru';
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import 'moment/locale/nl';
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import 'moment/locale/it';
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import 'moment/locale/fi';
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import 'moment/locale/ca';
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import 'moment/locale/fa';
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import 'moment/locale/pt-br';
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import {
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UserOperation,
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Comment,
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PrivateMessage,
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User,
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SortType,
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ListingType,
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SearchType,
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WebSocketResponse,
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WebSocketJsonResponse,
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SearchForm,
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SearchResponse,
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} from './interfaces';
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import { UserService, WebSocketService } from './services';
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import Tribute from 'tributejs/src/Tribute.js';
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import markdown_it from 'markdown-it';
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import markdownitEmoji from 'markdown-it-emoji/light';
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import markdown_it_container from 'markdown-it-container';
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import twemoji from 'twemoji';
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import emojiShortName from 'emoji-short-name';
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import Toastify from 'toastify-js';
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export const repoUrl = 'https://github.com/dessalines/lemmy';
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export const markdownHelpUrl = 'https://commonmark.org/help/';
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export const archiveUrl = 'https://archive.is';
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export const postRefetchSeconds: number = 60 * 1000;
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export const fetchLimit: number = 20;
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export const mentionDropdownFetchLimit = 10;
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export function randomStr() {
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return Math.random()
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.toString(36)
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.replace(/[^a-z]+/g, '')
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.substr(2, 10);
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}
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export function wsJsonToRes(msg: WebSocketJsonResponse): WebSocketResponse {
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let opStr: string = msg.op;
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return {
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op: UserOperation[opStr],
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data: msg.data,
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};
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}
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export const md = new markdown_it({
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html: false,
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linkify: true,
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typographer: true,
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})
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.use(markdown_it_container, 'spoiler', {
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validate: function(params: any) {
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return params.trim().match(/^spoiler\s+(.*)$/);
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},
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render: function(tokens: any, idx: any) {
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var m = tokens[idx].info.trim().match(/^spoiler\s+(.*)$/);
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if (tokens[idx].nesting === 1) {
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// opening tag
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return `<details><summary> ${md.utils.escapeHtml(m[1])} </summary>\n`;
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} else {
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// closing tag
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return '</details>\n';
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}
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},
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})
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.use(markdownitEmoji, {
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defs: objectFlip(emojiShortName),
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});
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md.renderer.rules.emoji = function(token, idx) {
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return twemoji.parse(token[idx].content);
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};
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export function hotRank(comment: Comment): number {
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// Rank = ScaleFactor * sign(Score) * log(1 + abs(Score)) / (Time + 2)^Gravity
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let date: Date = new Date(comment.published + 'Z'); // Add Z to convert from UTC date
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let now: Date = new Date();
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let hoursElapsed: number = (now.getTime() - date.getTime()) / 36e5;
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let rank =
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(10000 * Math.log10(Math.max(1, 3 + comment.score))) /
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Math.pow(hoursElapsed + 2, 1.8);
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// console.log(`Comment: ${comment.content}\nRank: ${rank}\nScore: ${comment.score}\nHours: ${hoursElapsed}`);
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return rank;
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}
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export function mdToHtml(text: string) {
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return { __html: md.render(text) };
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}
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export function getUnixTime(text: string): number {
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return text ? new Date(text).getTime() / 1000 : undefined;
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}
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export function addTypeInfo<T>(
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arr: Array<T>,
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name: string
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): Array<{ type_: string; data: T }> {
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return arr.map(e => {
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return { type_: name, data: e };
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});
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}
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export function canMod(
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user: User,
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modIds: Array<number>,
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creator_id: number,
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onSelf: boolean = false
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): boolean {
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// You can do moderator actions only on the mods added after you.
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if (user) {
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let yourIndex = modIds.findIndex(id => id == user.id);
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if (yourIndex == -1) {
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return false;
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} else {
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// onSelf +1 on mod actions not for yourself, IE ban, remove, etc
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modIds = modIds.slice(0, yourIndex + (onSelf ? 0 : 1));
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return !modIds.includes(creator_id);
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}
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} else {
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return false;
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}
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}
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export function isMod(modIds: Array<number>, creator_id: number): boolean {
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return modIds.includes(creator_id);
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}
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var imageRegex = new RegExp(
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`(http)?s?:?(\/\/[^"']*\.(?:png|jpg|jpeg|gif|png|svg))`
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);
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var videoRegex = new RegExp(`(http)?s?:?(\/\/[^"']*\.(?:mp4))`);
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export function isImage(url: string) {
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return imageRegex.test(url);
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}
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export function isVideo(url: string) {
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return videoRegex.test(url);
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}
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export function validURL(str: string) {
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try {
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return !!new URL(str);
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} catch {
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return false;
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}
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}
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export function validEmail(email: string) {
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let re = /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
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return re.test(String(email).toLowerCase());
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}
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export function capitalizeFirstLetter(str: string): string {
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return str.charAt(0).toUpperCase() + str.slice(1);
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}
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export function routeSortTypeToEnum(sort: string): SortType {
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if (sort == 'new') {
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return SortType.New;
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} else if (sort == 'hot') {
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return SortType.Hot;
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} else if (sort == 'topday') {
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return SortType.TopDay;
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} else if (sort == 'topweek') {
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return SortType.TopWeek;
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} else if (sort == 'topmonth') {
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return SortType.TopMonth;
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} else if (sort == 'topyear') {
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return SortType.TopYear;
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} else if (sort == 'topall') {
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return SortType.TopAll;
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}
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}
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export function routeListingTypeToEnum(type: string): ListingType {
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return ListingType[capitalizeFirstLetter(type)];
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}
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export function routeSearchTypeToEnum(type: string): SearchType {
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return SearchType[capitalizeFirstLetter(type)];
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}
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export async function getPageTitle(url: string) {
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let res = await fetch(`https://textance.herokuapp.com/title/${url}`);
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let data = await res.text();
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return data;
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}
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export function debounce(
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func: any,
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wait: number = 1000,
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immediate: boolean = false
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) {
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// 'private' variable for instance
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// The returned function will be able to reference this due to closure.
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// Each call to the returned function will share this common timer.
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let timeout: any;
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// Calling debounce returns a new anonymous function
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return function() {
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// reference the context and args for the setTimeout function
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var context = this,
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args = arguments;
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// Should the function be called now? If immediate is true
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// and not already in a timeout then the answer is: Yes
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var callNow = immediate && !timeout;
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// This is the basic debounce behaviour where you can call this
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// function several times, but it will only execute once
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// [before or after imposing a delay].
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// Each time the returned function is called, the timer starts over.
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clearTimeout(timeout);
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// Set the new timeout
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timeout = setTimeout(function() {
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// Inside the timeout function, clear the timeout variable
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// which will let the next execution run when in 'immediate' mode
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timeout = null;
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// Check if the function already ran with the immediate flag
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if (!immediate) {
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// Call the original function with apply
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// apply lets you define the 'this' object as well as the arguments
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// (both captured before setTimeout)
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func.apply(context, args);
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}
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}, wait);
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// Immediate mode and no wait timer? Execute the function..
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if (callNow) func.apply(context, args);
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};
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}
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export const languages = [
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{ code: 'ca', name: 'Català' },
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{ code: 'en', name: 'English' },
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{ code: 'eo', name: 'Esperanto' },
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{ code: 'es', name: 'Español' },
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{ code: 'de', name: 'Deutsch' },
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{ code: 'fa', name: 'فارسی' },
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{ code: 'pt_BR', name: 'Português Brasileiro' },
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{ code: 'zh', name: '中文' },
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{ code: 'fi', name: 'Suomi' },
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{ code: 'fr', name: 'Français' },
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{ code: 'sv', name: 'Svenska' },
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{ code: 'ru', name: 'Русский' },
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{ code: 'nl', name: 'Nederlands' },
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{ code: 'it', name: 'Italiano' },
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];
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export function getLanguage(): string {
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let user = UserService.Instance.user;
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let lang = user && user.lang ? user.lang : 'browser';
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if (lang == 'browser') {
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return getBrowserLanguage();
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} else {
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return lang;
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}
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}
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export function getBrowserLanguage(): string {
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return navigator.language;
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}
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export function getMomentLanguage(): string {
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let lang = getLanguage();
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if (lang.startsWith('zh')) {
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lang = 'zh-cn';
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} else if (lang.startsWith('sv')) {
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lang = 'sv';
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} else if (lang.startsWith('fr')) {
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lang = 'fr';
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} else if (lang.startsWith('de')) {
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lang = 'de';
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} else if (lang.startsWith('ru')) {
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lang = 'ru';
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} else if (lang.startsWith('es')) {
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lang = 'es';
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} else if (lang.startsWith('eo')) {
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lang = 'eo';
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} else if (lang.startsWith('nl')) {
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lang = 'nl';
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} else if (lang.startsWith('it')) {
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lang = 'it';
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} else if (lang.startsWith('fi')) {
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lang = 'fi';
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} else if (lang.startsWith('ca')) {
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lang = 'ca';
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} else if (lang.startsWith('fa')) {
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lang = 'fa';
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} else if (lang.startsWith('pt')) {
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lang = 'pt-br';
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} else {
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lang = 'en';
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}
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return lang;
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}
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export const themes = [
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'litera',
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'materia',
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'minty',
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'solar',
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'united',
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'cyborg',
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'darkly',
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'journal',
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'sketchy',
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'vaporwave',
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'vaporwave-dark',
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'i386',
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];
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export function setTheme(theme: string = 'darkly') {
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// unload all the other themes
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for (var i = 0; i < themes.length; i++) {
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let styleSheet = document.getElementById(themes[i]);
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if (styleSheet) {
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styleSheet.setAttribute('disabled', 'disabled');
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}
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}
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// Load the theme dynamically
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if (!document.getElementById(theme)) {
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var head = document.getElementsByTagName('head')[0];
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var link = document.createElement('link');
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link.id = theme;
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link.rel = 'stylesheet';
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link.type = 'text/css';
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link.href = `/static/assets/css/themes/${theme}.min.css`;
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link.media = 'all';
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head.appendChild(link);
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}
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document.getElementById(theme).removeAttribute('disabled');
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}
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export function objectFlip(obj: any) {
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const ret = {};
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Object.keys(obj).forEach(key => {
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ret[obj[key]] = key;
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});
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return ret;
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}
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export function pictshareAvatarThumbnail(src: string): string {
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// sample url: http://localhost:8535/pictshare/gs7xuu.jpg
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let split = src.split('pictshare');
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let out = `${split[0]}pictshare/96x96${split[1]}`;
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return out;
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}
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export function showAvatars(): boolean {
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return (
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(UserService.Instance.user && UserService.Instance.user.show_avatars) ||
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!UserService.Instance.user
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);
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}
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/// Converts to image thumbnail (only supports pictshare currently)
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export function imageThumbnailer(url: string): string {
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let split = url.split('pictshare');
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if (split.length > 1) {
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let out = `${split[0]}pictshare/140x140${split[1]}`;
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return out;
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} else {
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return url;
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}
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}
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export function isCommentType(item: Comment | PrivateMessage): item is Comment {
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return (item as Comment).community_id !== undefined;
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}
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export function toast(text: string, background: string = 'success') {
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let backgroundColor = `var(--${background})`;
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Toastify({
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text: text,
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backgroundColor: backgroundColor,
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gravity: 'bottom',
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position: 'left',
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}).showToast();
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}
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export function setupTribute(): Tribute {
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return new Tribute({
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collection: [
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// Emojis
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{
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trigger: ':',
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menuItemTemplate: (item: any) => {
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let emoji = `:${item.original.key}:`;
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return `${item.original.val} ${emoji}`;
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},
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selectTemplate: (item: any) => {
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return `:${item.original.key}:`;
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},
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values: Object.entries(emojiShortName).map(e => {
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return { key: e[1], val: e[0] };
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}),
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allowSpaces: false,
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autocompleteMode: true,
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menuItemLimit: mentionDropdownFetchLimit,
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},
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// Users
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{
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trigger: '@',
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selectTemplate: (item: any) => {
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return `[/u/${item.original.key}](/u/${item.original.key})`;
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},
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values: (text: string, cb: any) => {
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userSearch(text, (users: any) => cb(users));
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},
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allowSpaces: false,
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autocompleteMode: true,
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menuItemLimit: mentionDropdownFetchLimit,
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},
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// Communities
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{
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trigger: '#',
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selectTemplate: (item: any) => {
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return `[/c/${item.original.key}](/c/${item.original.key})`;
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},
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values: (text: string, cb: any) => {
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communitySearch(text, (communities: any) => cb(communities));
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},
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allowSpaces: false,
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autocompleteMode: true,
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menuItemLimit: mentionDropdownFetchLimit,
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},
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],
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});
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}
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function userSearch(text: string, cb: any) {
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if (text) {
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let form: SearchForm = {
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q: text,
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type_: SearchType[SearchType.Users],
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sort: SortType[SortType.TopAll],
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page: 1,
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limit: mentionDropdownFetchLimit,
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};
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WebSocketService.Instance.search(form);
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this.userSub = WebSocketService.Instance.subject.subscribe(
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msg => {
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let res = wsJsonToRes(msg);
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if (res.op == UserOperation.Search) {
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let data = res.data as SearchResponse;
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let users = data.users.map(u => {
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return { key: u.name };
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});
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cb(users);
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this.userSub.unsubscribe();
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}
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},
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err => console.error(err),
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() => console.log('complete')
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);
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} else {
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cb([]);
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}
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}
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function communitySearch(text: string, cb: any) {
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if (text) {
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let form: SearchForm = {
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q: text,
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type_: SearchType[SearchType.Communities],
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sort: SortType[SortType.TopAll],
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page: 1,
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limit: mentionDropdownFetchLimit,
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};
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WebSocketService.Instance.search(form);
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this.communitySub = WebSocketService.Instance.subject.subscribe(
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msg => {
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let res = wsJsonToRes(msg);
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if (res.op == UserOperation.Search) {
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let data = res.data as SearchResponse;
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let communities = data.communities.map(u => {
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return { key: u.name };
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});
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cb(communities);
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this.communitySub.unsubscribe();
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}
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},
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err => console.error(err),
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() => console.log('complete')
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);
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} else {
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cb([]);
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}
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}
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