1 import 'moment/locale/es';
2 import 'moment/locale/el';
3 import 'moment/locale/eu';
4 import 'moment/locale/eo';
5 import 'moment/locale/de';
6 import 'moment/locale/zh-cn';
7 import 'moment/locale/fr';
8 import 'moment/locale/sv';
9 import 'moment/locale/ru';
10 import 'moment/locale/nl';
11 import 'moment/locale/it';
12 import 'moment/locale/fi';
13 import 'moment/locale/ca';
14 import 'moment/locale/fa';
15 import 'moment/locale/pl';
16 import 'moment/locale/pt-br';
17 import 'moment/locale/ja';
18 import 'moment/locale/ka';
19 import 'moment/locale/hi';
20 import 'moment/locale/gl';
21 import 'moment/locale/tr';
22 import 'moment/locale/hu';
23 import 'moment/locale/uk';
28 CommentNode as CommentNodeI,
38 WebSocketJsonResponse,
43 } from './interfaces';
44 import { UserService, WebSocketService } from './services';
46 import Tribute from 'tributejs/src/Tribute.js';
47 import markdown_it from 'markdown-it';
48 import markdownitEmoji from 'markdown-it-emoji/light';
49 import markdown_it_container from 'markdown-it-container';
50 import twemoji from 'twemoji';
51 import emojiShortName from 'emoji-short-name';
52 import Toastify from 'toastify-js';
53 import tippy from 'tippy.js';
54 import EmojiButton from '@joeattardi/emoji-button';
56 export const repoUrl = 'https://github.com/LemmyNet/lemmy';
57 export const helpGuideUrl = '/docs/about_guide.html';
58 export const markdownHelpUrl = `${helpGuideUrl}#markdown-guide`;
59 export const sortingHelpUrl = `${helpGuideUrl}#sorting`;
60 export const archiveUrl = 'https://archive.is';
62 export const postRefetchSeconds: number = 60 * 1000;
63 export const fetchLimit: number = 20;
64 export const mentionDropdownFetchLimit = 10;
66 export const languages = [
67 { code: 'ca', name: 'Català' },
68 { code: 'en', name: 'English' },
69 { code: 'el', name: 'Ελληνικά' },
70 { code: 'eu', name: 'Euskara' },
71 { code: 'eo', name: 'Esperanto' },
72 { code: 'es', name: 'Español' },
73 { code: 'de', name: 'Deutsch' },
74 { code: 'gl', name: 'Galego' },
75 { code: 'hu', name: 'Magyar Nyelv' },
76 { code: 'ka', name: 'ქართული ენა' },
77 { code: 'hi', name: 'मानक हिन्दी' },
78 { code: 'fa', name: 'فارسی' },
79 { code: 'ja', name: '日本語' },
80 { code: 'pl', name: 'Polski' },
81 { code: 'pt_BR', name: 'Português Brasileiro' },
82 { code: 'zh', name: '中文' },
83 { code: 'fi', name: 'Suomi' },
84 { code: 'fr', name: 'Français' },
85 { code: 'sv', name: 'Svenska' },
86 { code: 'tr', name: 'Türkçe' },
87 { code: 'uk', name: 'українська мова' },
88 { code: 'ru', name: 'Русский' },
89 { code: 'nl', name: 'Nederlands' },
90 { code: 'it', name: 'Italiano' },
93 export const themes = [
108 export const emojiPicker = new EmojiButton({
109 // Use the emojiShortName from native
112 position: 'auto-start',
116 export function randomStr() {
119 .replace(/[^a-z]+/g, '')
123 export function wsJsonToRes(msg: WebSocketJsonResponse): WebSocketResponse {
124 let opStr: string = msg.op;
126 op: UserOperation[opStr],
131 export const md = new markdown_it({
136 .use(markdown_it_container, 'spoiler', {
137 validate: function (params: any) {
138 return params.trim().match(/^spoiler\s+(.*)$/);
141 render: function (tokens: any, idx: any) {
142 var m = tokens[idx].info.trim().match(/^spoiler\s+(.*)$/);
144 if (tokens[idx].nesting === 1) {
146 return `<details><summary> ${md.utils.escapeHtml(m[1])} </summary>\n`;
149 return '</details>\n';
153 .use(markdownitEmoji, {
154 defs: objectFlip(emojiShortName),
157 md.renderer.rules.emoji = function (token, idx) {
158 return twemoji.parse(token[idx].content);
161 export function hotRankComment(comment: Comment): number {
162 return hotRank(comment.score, comment.published);
165 export function hotRankPost(post: Post): number {
166 return hotRank(post.score, post.newest_activity_time);
169 export function hotRank(score: number, timeStr: string): number {
170 // Rank = ScaleFactor * sign(Score) * log(1 + abs(Score)) / (Time + 2)^Gravity
171 let date: Date = new Date(timeStr + 'Z'); // Add Z to convert from UTC date
172 let now: Date = new Date();
173 let hoursElapsed: number = (now.getTime() - date.getTime()) / 36e5;
176 (10000 * Math.log10(Math.max(1, 3 + score))) /
177 Math.pow(hoursElapsed + 2, 1.8);
179 // console.log(`Comment: ${comment.content}\nRank: ${rank}\nScore: ${comment.score}\nHours: ${hoursElapsed}`);
184 export function mdToHtml(text: string) {
185 return { __html: md.render(text) };
188 export function getUnixTime(text: string): number {
189 return text ? new Date(text).getTime() / 1000 : undefined;
192 export function addTypeInfo<T>(
195 ): Array<{ type_: string; data: T }> {
196 return arr.map(e => {
197 return { type_: name, data: e };
201 export function canMod(
203 modIds: Array<number>,
205 onSelf: boolean = false
207 // You can do moderator actions only on the mods added after you.
209 let yourIndex = modIds.findIndex(id => id == user.id);
210 if (yourIndex == -1) {
213 // onSelf +1 on mod actions not for yourself, IE ban, remove, etc
214 modIds = modIds.slice(0, yourIndex + (onSelf ? 0 : 1));
215 return !modIds.includes(creator_id);
222 export function isMod(modIds: Array<number>, creator_id: number): boolean {
223 return modIds.includes(creator_id);
226 const imageRegex = new RegExp(
227 /(http)?s?:?(\/\/[^"']*\.(?:jpg|jpeg|gif|png|svg|webp))/
229 const videoRegex = new RegExp(`(http)?s?:?(\/\/[^"']*\.(?:mp4))`);
231 export function isImage(url: string) {
232 return imageRegex.test(url);
235 export function isVideo(url: string) {
236 return videoRegex.test(url);
239 export function validURL(str: string) {
241 return !!new URL(str);
247 export function validEmail(email: string) {
248 let re = /^(([^\s"(),.:;<>@[\\\]]+(\.[^\s"(),.:;<>@[\\\]]+)*)|(".+"))@((\[(?:\d{1,3}\.){3}\d{1,3}])|(([\dA-Za-z\-]+\.)+[A-Za-z]{2,}))$/;
249 return re.test(String(email).toLowerCase());
252 export function capitalizeFirstLetter(str: string): string {
253 return str.charAt(0).toUpperCase() + str.slice(1);
256 export function routeSortTypeToEnum(sort: string): SortType {
259 } else if (sort == 'hot') {
261 } else if (sort == 'topday') {
262 return SortType.TopDay;
263 } else if (sort == 'topweek') {
264 return SortType.TopWeek;
265 } else if (sort == 'topmonth') {
266 return SortType.TopMonth;
267 } else if (sort == 'topyear') {
268 return SortType.TopYear;
269 } else if (sort == 'topall') {
270 return SortType.TopAll;
274 export function routeListingTypeToEnum(type: string): ListingType {
275 return ListingType[capitalizeFirstLetter(type)];
278 export function routeDataTypeToEnum(type: string): DataType {
279 return DataType[capitalizeFirstLetter(type)];
282 export function routeSearchTypeToEnum(type: string): SearchType {
283 return SearchType[capitalizeFirstLetter(type)];
286 export async function getPageTitle(url: string) {
287 let res = await fetch(`/iframely/oembed?url=${url}`).then(res => res.json());
288 let title = await res.title;
292 export function debounce(
295 immediate: boolean = false
297 // 'private' variable for instance
298 // The returned function will be able to reference this due to closure.
299 // Each call to the returned function will share this common timer.
302 // Calling debounce returns a new anonymous function
304 // reference the context and args for the setTimeout function
308 // Should the function be called now? If immediate is true
309 // and not already in a timeout then the answer is: Yes
310 var callNow = immediate && !timeout;
312 // This is the basic debounce behaviour where you can call this
313 // function several times, but it will only execute once
314 // [before or after imposing a delay].
315 // Each time the returned function is called, the timer starts over.
316 clearTimeout(timeout);
318 // Set the new timeout
319 timeout = setTimeout(function () {
320 // Inside the timeout function, clear the timeout variable
321 // which will let the next execution run when in 'immediate' mode
324 // Check if the function already ran with the immediate flag
326 // Call the original function with apply
327 // apply lets you define the 'this' object as well as the arguments
328 // (both captured before setTimeout)
329 func.apply(context, args);
333 // Immediate mode and no wait timer? Execute the function..
334 if (callNow) func.apply(context, args);
338 export function getLanguage(): string {
339 let user = UserService.Instance.user;
340 let lang = user && user.lang ? user.lang : 'browser';
342 if (lang == 'browser') {
343 return getBrowserLanguage();
349 export function getBrowserLanguage(): string {
350 return navigator.language;
353 export function getMomentLanguage(): string {
354 let lang = getLanguage();
355 if (lang.startsWith('zh')) {
357 } else if (lang.startsWith('sv')) {
359 } else if (lang.startsWith('fr')) {
361 } else if (lang.startsWith('de')) {
363 } else if (lang.startsWith('ru')) {
365 } else if (lang.startsWith('es')) {
367 } else if (lang.startsWith('eo')) {
369 } else if (lang.startsWith('nl')) {
371 } else if (lang.startsWith('it')) {
373 } else if (lang.startsWith('fi')) {
375 } else if (lang.startsWith('ca')) {
377 } else if (lang.startsWith('fa')) {
379 } else if (lang.startsWith('pl')) {
381 } else if (lang.startsWith('pt')) {
383 } else if (lang.startsWith('ja')) {
385 } else if (lang.startsWith('ka')) {
387 } else if (lang.startsWith('hi')) {
389 } else if (lang.startsWith('el')) {
391 } else if (lang.startsWith('eu')) {
393 } else if (lang.startsWith('gl')) {
395 } else if (lang.startsWith('tr')) {
397 } else if (lang.startsWith('hu')) {
399 } else if (lang.startsWith('uk')) {
407 export function setTheme(theme: string = 'darkly') {
408 // unload all the other themes
409 for (var i = 0; i < themes.length; i++) {
410 let styleSheet = document.getElementById(themes[i]);
412 styleSheet.setAttribute('disabled', 'disabled');
416 // Load the theme dynamically
417 let cssLoc = `/static/assets/css/themes/${theme}.min.css`;
418 loadCss(theme, cssLoc);
419 document.getElementById(theme).removeAttribute('disabled');
422 export function loadCss(id: string, loc: string) {
423 if (!document.getElementById(id)) {
424 var head = document.getElementsByTagName('head')[0];
425 var link = document.createElement('link');
427 link.rel = 'stylesheet';
428 link.type = 'text/css';
431 head.appendChild(link);
435 export function objectFlip(obj: any) {
437 Object.keys(obj).forEach(key => {
443 export function pictrsAvatarThumbnail(src: string): string {
444 // sample url: http://localhost:8535/pictrs/image/thumbnail256/gs7xuu.jpg
445 let split = src.split('/pictrs/image');
446 let out = `${split[0]}/pictrs/image/${
447 canUseWebP() ? 'webp/' : ''
448 }thumbnail96${split[1]}`;
452 export function showAvatars(): boolean {
454 (UserService.Instance.user && UserService.Instance.user.show_avatars) ||
455 !UserService.Instance.user
459 // Converts to image thumbnail
460 export function pictrsImage(hash: string, thumbnail: boolean = false): string {
461 let root = `/pictrs/image`;
463 // Necessary for other servers / domains
464 if (hash.includes('pictrs')) {
465 let split = hash.split('/pictrs/image/');
466 root = `${split[0]}/pictrs/image`;
470 let out = `${root}/${canUseWebP() ? 'webp/' : ''}${
471 thumbnail ? 'thumbnail192/' : ''
476 export function isCommentType(item: Comment | PrivateMessage): item is Comment {
477 return (item as Comment).community_id !== undefined;
480 export function toast(text: string, background: string = 'success') {
481 let backgroundColor = `var(--${background})`;
484 backgroundColor: backgroundColor,
490 export function pictrsDeleteToast(
491 clickToDeleteText: string,
492 deletePictureText: string,
495 let backgroundColor = `var(--light)`;
496 let toast = Toastify({
497 text: clickToDeleteText,
498 backgroundColor: backgroundColor,
504 window.location.replace(deleteUrl);
505 alert(deletePictureText);
513 export function messageToastify(
520 let backgroundColor = `var(--light)`;
522 let toast = Toastify({
523 text: `${body}<br />${creator}`,
525 backgroundColor: backgroundColor,
526 className: 'text-body',
534 router.history.push(link);
540 export function setupTribute(): Tribute {
546 menuItemTemplate: (item: any) => {
547 let shortName = `:${item.original.key}:`;
548 let twemojiIcon = twemoji.parse(item.original.val);
549 return `${twemojiIcon} ${shortName}`;
551 selectTemplate: (item: any) => {
552 return `:${item.original.key}:`;
554 values: Object.entries(emojiShortName).map(e => {
555 return { key: e[1], val: e[0] };
558 autocompleteMode: true,
559 menuItemLimit: mentionDropdownFetchLimit,
560 menuShowMinLength: 2,
565 selectTemplate: (item: any) => {
566 return `[/u/${item.original.key}](/u/${item.original.key})`;
568 values: (text: string, cb: any) => {
569 userSearch(text, (users: any) => cb(users));
572 autocompleteMode: true,
573 menuItemLimit: mentionDropdownFetchLimit,
574 menuShowMinLength: 2,
580 selectTemplate: (item: any) => {
581 return `[/c/${item.original.key}](/c/${item.original.key})`;
583 values: (text: string, cb: any) => {
584 communitySearch(text, (communities: any) => cb(communities));
587 autocompleteMode: true,
588 menuItemLimit: mentionDropdownFetchLimit,
589 menuShowMinLength: 2,
595 let tippyInstance = tippy('[data-tippy-content]');
597 export function setupTippy() {
598 tippyInstance.forEach(e => e.destroy());
599 tippyInstance = tippy('[data-tippy-content]', {
601 // Display on "long press"
602 touch: ['hold', 500],
606 function userSearch(text: string, cb: any) {
608 let form: SearchForm = {
610 type_: SearchType[SearchType.Users],
611 sort: SortType[SortType.TopAll],
613 limit: mentionDropdownFetchLimit,
616 WebSocketService.Instance.search(form);
618 this.userSub = WebSocketService.Instance.subject.subscribe(
620 let res = wsJsonToRes(msg);
621 if (res.op == UserOperation.Search) {
622 let data = res.data as SearchResponse;
623 let users = data.users.map(u => {
624 return { key: u.name };
627 this.userSub.unsubscribe();
630 err => console.error(err),
631 () => console.log('complete')
638 function communitySearch(text: string, cb: any) {
640 let form: SearchForm = {
642 type_: SearchType[SearchType.Communities],
643 sort: SortType[SortType.TopAll],
645 limit: mentionDropdownFetchLimit,
648 WebSocketService.Instance.search(form);
650 this.communitySub = WebSocketService.Instance.subject.subscribe(
652 let res = wsJsonToRes(msg);
653 if (res.op == UserOperation.Search) {
654 let data = res.data as SearchResponse;
655 let communities = data.communities.map(u => {
656 return { key: u.name };
659 this.communitySub.unsubscribe();
662 err => console.error(err),
663 () => console.log('complete')
670 export function getListingTypeFromProps(props: any): ListingType {
671 return props.match.params.listing_type
672 ? routeListingTypeToEnum(props.match.params.listing_type)
673 : UserService.Instance.user
674 ? UserService.Instance.user.default_listing_type
678 // TODO might need to add a user setting for this too
679 export function getDataTypeFromProps(props: any): DataType {
680 return props.match.params.data_type
681 ? routeDataTypeToEnum(props.match.params.data_type)
685 export function getSortTypeFromProps(props: any): SortType {
686 return props.match.params.sort
687 ? routeSortTypeToEnum(props.match.params.sort)
688 : UserService.Instance.user
689 ? UserService.Instance.user.default_sort_type
693 export function getPageFromProps(props: any): number {
694 return props.match.params.page ? Number(props.match.params.page) : 1;
697 export function editCommentRes(
698 data: CommentResponse,
699 comments: Array<Comment>
701 let found = comments.find(c => c.id == data.comment.id);
703 found.content = data.comment.content;
704 found.updated = data.comment.updated;
705 found.removed = data.comment.removed;
706 found.deleted = data.comment.deleted;
707 found.upvotes = data.comment.upvotes;
708 found.downvotes = data.comment.downvotes;
709 found.score = data.comment.score;
713 export function saveCommentRes(
714 data: CommentResponse,
715 comments: Array<Comment>
717 let found = comments.find(c => c.id == data.comment.id);
719 found.saved = data.comment.saved;
723 export function createCommentLikeRes(
724 data: CommentResponse,
725 comments: Array<Comment>
727 let found: Comment = comments.find(c => c.id === data.comment.id);
729 found.score = data.comment.score;
730 found.upvotes = data.comment.upvotes;
731 found.downvotes = data.comment.downvotes;
732 if (data.comment.my_vote !== null) {
733 found.my_vote = data.comment.my_vote;
738 export function createPostLikeFindRes(data: PostResponse, posts: Array<Post>) {
739 let found = posts.find(c => c.id == data.post.id);
741 createPostLikeRes(data, found);
745 export function createPostLikeRes(data: PostResponse, post: Post) {
747 post.score = data.post.score;
748 post.upvotes = data.post.upvotes;
749 post.downvotes = data.post.downvotes;
750 if (data.post.my_vote !== null) {
751 post.my_vote = data.post.my_vote;
756 export function editPostFindRes(data: PostResponse, posts: Array<Post>) {
757 let found = posts.find(c => c.id == data.post.id);
759 editPostRes(data, found);
763 export function editPostRes(data: PostResponse, post: Post) {
765 post.url = data.post.url;
766 post.name = data.post.name;
767 post.nsfw = data.post.nsfw;
771 export function commentsToFlatNodes(
772 comments: Array<Comment>
773 ): Array<CommentNodeI> {
774 let nodes: Array<CommentNodeI> = [];
775 for (let comment of comments) {
776 nodes.push({ comment: comment });
781 export function commentSort(tree: Array<CommentNodeI>, sort: CommentSortType) {
782 // First, put removed and deleted comments at the bottom, then do your other sorts
783 if (sort == CommentSortType.Top) {
786 +a.comment.removed - +b.comment.removed ||
787 +a.comment.deleted - +b.comment.deleted ||
788 b.comment.score - a.comment.score
790 } else if (sort == CommentSortType.New) {
793 +a.comment.removed - +b.comment.removed ||
794 +a.comment.deleted - +b.comment.deleted ||
795 b.comment.published.localeCompare(a.comment.published)
797 } else if (sort == CommentSortType.Old) {
800 +a.comment.removed - +b.comment.removed ||
801 +a.comment.deleted - +b.comment.deleted ||
802 a.comment.published.localeCompare(b.comment.published)
804 } else if (sort == CommentSortType.Hot) {
807 +a.comment.removed - +b.comment.removed ||
808 +a.comment.deleted - +b.comment.deleted ||
809 hotRankComment(b.comment) - hotRankComment(a.comment)
813 // Go through the children recursively
814 for (let node of tree) {
816 commentSort(node.children, sort);
821 export function commentSortSortType(tree: Array<CommentNodeI>, sort: SortType) {
822 commentSort(tree, convertCommentSortType(sort));
825 function convertCommentSortType(sort: SortType): CommentSortType {
827 sort == SortType.TopAll ||
828 sort == SortType.TopDay ||
829 sort == SortType.TopWeek ||
830 sort == SortType.TopMonth ||
831 sort == SortType.TopYear
833 return CommentSortType.Top;
834 } else if (sort == SortType.New) {
835 return CommentSortType.New;
836 } else if (sort == SortType.Hot) {
837 return CommentSortType.Hot;
839 return CommentSortType.Hot;
843 export function postSort(
846 communityType: boolean
848 // First, put removed and deleted comments at the bottom, then do your other sorts
850 sort == SortType.TopAll ||
851 sort == SortType.TopDay ||
852 sort == SortType.TopWeek ||
853 sort == SortType.TopMonth ||
854 sort == SortType.TopYear
858 +a.removed - +b.removed ||
859 +a.deleted - +b.deleted ||
860 (communityType && +b.stickied - +a.stickied) ||
863 } else if (sort == SortType.New) {
866 +a.removed - +b.removed ||
867 +a.deleted - +b.deleted ||
868 (communityType && +b.stickied - +a.stickied) ||
869 b.published.localeCompare(a.published)
871 } else if (sort == SortType.Hot) {
874 +a.removed - +b.removed ||
875 +a.deleted - +b.deleted ||
876 (communityType && +b.stickied - +a.stickied) ||
877 hotRankPost(b) - hotRankPost(a)
882 export const colorList: Array<string> = [
891 function hsl(num: number) {
892 return `hsla(${num}, 35%, 50%, 1)`;
895 function randomHsl() {
896 return `hsla(${Math.random() * 360}, 100%, 50%, 1)`;
899 export function previewLines(text: string, lines: number = 3): string {
900 // Use lines * 2 because markdown requires 2 lines
907 function canUseWebP() {
908 // TODO pictshare might have a webp conversion bug, try disabling this
911 // var elem = document.createElement('canvas');
913 // if (!!(elem.getContext && elem.getContext('2d'))) {
914 // var testString = !(window.mozInnerScreenX == null) ? 'png' : 'webp';
915 // // was able or not to get WebP representation
917 // elem.toDataURL('image/webp').startsWith('data:image/' + testString)
921 // // very old browser like IE 8, canvas not supported