1 import 'moment/locale/es';
2 import 'moment/locale/eo';
3 import 'moment/locale/de';
4 import 'moment/locale/zh-cn';
5 import 'moment/locale/fr';
6 import 'moment/locale/sv';
7 import 'moment/locale/ru';
8 import 'moment/locale/nl';
9 import 'moment/locale/it';
10 import 'moment/locale/fi';
11 import 'moment/locale/ca';
12 import 'moment/locale/fa';
13 import 'moment/locale/pt-br';
14 import 'moment/locale/ja';
19 CommentNode as CommentNodeI,
29 WebSocketJsonResponse,
34 } from './interfaces';
35 import { UserService, WebSocketService } from './services';
37 import Tribute from 'tributejs/src/Tribute.js';
38 import markdown_it from 'markdown-it';
39 import markdownitEmoji from 'markdown-it-emoji/light';
40 import markdown_it_container from 'markdown-it-container';
41 import twemoji from 'twemoji';
42 import emojiShortName from 'emoji-short-name';
43 import Toastify from 'toastify-js';
44 import tippy from 'tippy.js';
46 export const repoUrl = 'https://github.com/dessalines/lemmy';
47 export const helpGuideUrl = '/docs/about_guide.html';
48 export const markdownHelpUrl = `${helpGuideUrl}#markdown-guide`;
49 export const sortingHelpUrl = `${helpGuideUrl}#sorting`;
50 export const archiveUrl = 'https://archive.is';
52 export const postRefetchSeconds: number = 60 * 1000;
53 export const fetchLimit: number = 20;
54 export const mentionDropdownFetchLimit = 10;
56 export function randomStr() {
59 .replace(/[^a-z]+/g, '')
63 export function wsJsonToRes(msg: WebSocketJsonResponse): WebSocketResponse {
64 let opStr: string = msg.op;
66 op: UserOperation[opStr],
71 export const md = new markdown_it({
76 .use(markdown_it_container, 'spoiler', {
77 validate: function(params: any) {
78 return params.trim().match(/^spoiler\s+(.*)$/);
81 render: function(tokens: any, idx: any) {
82 var m = tokens[idx].info.trim().match(/^spoiler\s+(.*)$/);
84 if (tokens[idx].nesting === 1) {
86 return `<details><summary> ${md.utils.escapeHtml(m[1])} </summary>\n`;
89 return '</details>\n';
93 .use(markdownitEmoji, {
94 defs: objectFlip(emojiShortName),
97 md.renderer.rules.emoji = function(token, idx) {
98 return twemoji.parse(token[idx].content);
101 export function hotRankComment(comment: Comment): number {
102 return hotRank(comment.score, comment.published);
105 export function hotRankPost(post: Post): number {
106 return hotRank(post.score, post.newest_activity_time);
109 export function hotRank(score: number, timeStr: string): number {
110 // Rank = ScaleFactor * sign(Score) * log(1 + abs(Score)) / (Time + 2)^Gravity
111 let date: Date = new Date(timeStr + 'Z'); // Add Z to convert from UTC date
112 let now: Date = new Date();
113 let hoursElapsed: number = (now.getTime() - date.getTime()) / 36e5;
116 (10000 * Math.log10(Math.max(1, 3 + score))) /
117 Math.pow(hoursElapsed + 2, 1.8);
119 // console.log(`Comment: ${comment.content}\nRank: ${rank}\nScore: ${comment.score}\nHours: ${hoursElapsed}`);
124 export function mdToHtml(text: string) {
125 return { __html: md.render(text) };
128 export function getUnixTime(text: string): number {
129 return text ? new Date(text).getTime() / 1000 : undefined;
132 export function addTypeInfo<T>(
135 ): Array<{ type_: string; data: T }> {
136 return arr.map(e => {
137 return { type_: name, data: e };
141 export function canMod(
143 modIds: Array<number>,
145 onSelf: boolean = false
147 // You can do moderator actions only on the mods added after you.
149 let yourIndex = modIds.findIndex(id => id == user.id);
150 if (yourIndex == -1) {
153 // onSelf +1 on mod actions not for yourself, IE ban, remove, etc
154 modIds = modIds.slice(0, yourIndex + (onSelf ? 0 : 1));
155 return !modIds.includes(creator_id);
162 export function isMod(modIds: Array<number>, creator_id: number): boolean {
163 return modIds.includes(creator_id);
166 const imageRegex = new RegExp(
167 /(http)?s?:?(\/\/[^"']*\.(?:jpg|jpeg|gif|png|svg))/
169 const videoRegex = new RegExp(`(http)?s?:?(\/\/[^"']*\.(?:mp4))`);
171 export function isImage(url: string) {
172 return imageRegex.test(url);
175 export function isVideo(url: string) {
176 return videoRegex.test(url);
179 export function validURL(str: string) {
181 return !!new URL(str);
187 export function validEmail(email: string) {
188 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,}))$/;
189 return re.test(String(email).toLowerCase());
192 export function capitalizeFirstLetter(str: string): string {
193 return str.charAt(0).toUpperCase() + str.slice(1);
196 export function routeSortTypeToEnum(sort: string): SortType {
199 } else if (sort == 'hot') {
201 } else if (sort == 'topday') {
202 return SortType.TopDay;
203 } else if (sort == 'topweek') {
204 return SortType.TopWeek;
205 } else if (sort == 'topmonth') {
206 return SortType.TopMonth;
207 } else if (sort == 'topyear') {
208 return SortType.TopYear;
209 } else if (sort == 'topall') {
210 return SortType.TopAll;
214 export function routeListingTypeToEnum(type: string): ListingType {
215 return ListingType[capitalizeFirstLetter(type)];
218 export function routeDataTypeToEnum(type: string): DataType {
219 return DataType[capitalizeFirstLetter(type)];
222 export function routeSearchTypeToEnum(type: string): SearchType {
223 return SearchType[capitalizeFirstLetter(type)];
226 export async function getPageTitle(url: string) {
227 let res = await fetch(`/iframely/oembed?url=${url}`).then(res => res.json());
228 let title = await res.title;
232 export function debounce(
235 immediate: boolean = false
237 // 'private' variable for instance
238 // The returned function will be able to reference this due to closure.
239 // Each call to the returned function will share this common timer.
242 // Calling debounce returns a new anonymous function
244 // reference the context and args for the setTimeout function
248 // Should the function be called now? If immediate is true
249 // and not already in a timeout then the answer is: Yes
250 var callNow = immediate && !timeout;
252 // This is the basic debounce behaviour where you can call this
253 // function several times, but it will only execute once
254 // [before or after imposing a delay].
255 // Each time the returned function is called, the timer starts over.
256 clearTimeout(timeout);
258 // Set the new timeout
259 timeout = setTimeout(function() {
260 // Inside the timeout function, clear the timeout variable
261 // which will let the next execution run when in 'immediate' mode
264 // Check if the function already ran with the immediate flag
266 // Call the original function with apply
267 // apply lets you define the 'this' object as well as the arguments
268 // (both captured before setTimeout)
269 func.apply(context, args);
273 // Immediate mode and no wait timer? Execute the function..
274 if (callNow) func.apply(context, args);
278 export const languages = [
279 { code: 'ca', name: 'Català' },
280 { code: 'en', name: 'English' },
281 { code: 'eo', name: 'Esperanto' },
282 { code: 'es', name: 'Español' },
283 { code: 'de', name: 'Deutsch' },
284 { code: 'fa', name: 'فارسی' },
285 { code: 'ja', name: '日本語' },
286 { code: 'pt_BR', name: 'Português Brasileiro' },
287 { code: 'zh', name: '中文' },
288 { code: 'fi', name: 'Suomi' },
289 { code: 'fr', name: 'Français' },
290 { code: 'sv', name: 'Svenska' },
291 { code: 'ru', name: 'Русский' },
292 { code: 'nl', name: 'Nederlands' },
293 { code: 'it', name: 'Italiano' },
296 export function getLanguage(): string {
297 let user = UserService.Instance.user;
298 let lang = user && user.lang ? user.lang : 'browser';
300 if (lang == 'browser') {
301 return getBrowserLanguage();
307 export function getBrowserLanguage(): string {
308 return navigator.language;
311 export function getMomentLanguage(): string {
312 let lang = getLanguage();
313 if (lang.startsWith('zh')) {
315 } else if (lang.startsWith('sv')) {
317 } else if (lang.startsWith('fr')) {
319 } else if (lang.startsWith('de')) {
321 } else if (lang.startsWith('ru')) {
323 } else if (lang.startsWith('es')) {
325 } else if (lang.startsWith('eo')) {
327 } else if (lang.startsWith('nl')) {
329 } else if (lang.startsWith('it')) {
331 } else if (lang.startsWith('fi')) {
333 } else if (lang.startsWith('ca')) {
335 } else if (lang.startsWith('fa')) {
337 } else if (lang.startsWith('pt')) {
339 } else if (lang.startsWith('ja')) {
347 export const themes = [
362 export function setTheme(theme: string = 'darkly') {
363 // unload all the other themes
364 for (var i = 0; i < themes.length; i++) {
365 let styleSheet = document.getElementById(themes[i]);
367 styleSheet.setAttribute('disabled', 'disabled');
371 // Load the theme dynamically
372 if (!document.getElementById(theme)) {
373 var head = document.getElementsByTagName('head')[0];
374 var link = document.createElement('link');
376 link.rel = 'stylesheet';
377 link.type = 'text/css';
378 link.href = `/static/assets/css/themes/${theme}.min.css`;
380 head.appendChild(link);
382 document.getElementById(theme).removeAttribute('disabled');
385 export function objectFlip(obj: any) {
387 Object.keys(obj).forEach(key => {
393 export function pictshareAvatarThumbnail(src: string): string {
394 // sample url: http://localhost:8535/pictshare/gs7xuu.jpg
395 let split = src.split('pictshare');
396 let out = `${split[0]}pictshare/96${split[1]}`;
400 export function showAvatars(): boolean {
402 (UserService.Instance.user && UserService.Instance.user.show_avatars) ||
403 !UserService.Instance.user
407 // Converts to image thumbnail
408 export function pictshareImage(
410 thumbnail: boolean = false
412 let root = `/pictshare`;
414 // Necessary for other servers / domains
415 if (hash.includes('pictshare')) {
416 let split = hash.split('/pictshare/');
417 root = `${split[0]}/pictshare`;
421 let out = `${root}/${thumbnail ? '192/' : ''}${hash}`;
425 export function isCommentType(item: Comment | PrivateMessage): item is Comment {
426 return (item as Comment).community_id !== undefined;
429 export function toast(text: string, background: string = 'success') {
430 let backgroundColor = `var(--${background})`;
433 backgroundColor: backgroundColor,
439 export function setupTribute(): Tribute {
445 menuItemTemplate: (item: any) => {
446 let emoji = `:${item.original.key}:`;
447 return `${item.original.val} ${emoji}`;
449 selectTemplate: (item: any) => {
450 return `:${item.original.key}:`;
452 values: Object.entries(emojiShortName).map(e => {
453 return { key: e[1], val: e[0] };
456 autocompleteMode: true,
457 menuItemLimit: mentionDropdownFetchLimit,
458 menuShowMinLength: 2,
463 selectTemplate: (item: any) => {
464 return `[/u/${item.original.key}](/u/${item.original.key})`;
466 values: (text: string, cb: any) => {
467 userSearch(text, (users: any) => cb(users));
470 autocompleteMode: true,
471 menuItemLimit: mentionDropdownFetchLimit,
472 menuShowMinLength: 2,
478 selectTemplate: (item: any) => {
479 return `[/c/${item.original.key}](/c/${item.original.key})`;
481 values: (text: string, cb: any) => {
482 communitySearch(text, (communities: any) => cb(communities));
485 autocompleteMode: true,
486 menuItemLimit: mentionDropdownFetchLimit,
487 menuShowMinLength: 2,
493 let tippyInstance = tippy('[data-tippy-content]');
495 export function setupTippy() {
496 tippyInstance.forEach(e => e.destroy());
497 tippyInstance = tippy('[data-tippy-content]', {
499 // Display on "long press"
500 touch: ['hold', 500],
504 function userSearch(text: string, cb: any) {
506 let form: SearchForm = {
508 type_: SearchType[SearchType.Users],
509 sort: SortType[SortType.TopAll],
511 limit: mentionDropdownFetchLimit,
514 WebSocketService.Instance.search(form);
516 this.userSub = WebSocketService.Instance.subject.subscribe(
518 let res = wsJsonToRes(msg);
519 if (res.op == UserOperation.Search) {
520 let data = res.data as SearchResponse;
521 let users = data.users.map(u => {
522 return { key: u.name };
525 this.userSub.unsubscribe();
528 err => console.error(err),
529 () => console.log('complete')
536 function communitySearch(text: string, cb: any) {
538 let form: SearchForm = {
540 type_: SearchType[SearchType.Communities],
541 sort: SortType[SortType.TopAll],
543 limit: mentionDropdownFetchLimit,
546 WebSocketService.Instance.search(form);
548 this.communitySub = WebSocketService.Instance.subject.subscribe(
550 let res = wsJsonToRes(msg);
551 if (res.op == UserOperation.Search) {
552 let data = res.data as SearchResponse;
553 let communities = data.communities.map(u => {
554 return { key: u.name };
557 this.communitySub.unsubscribe();
560 err => console.error(err),
561 () => console.log('complete')
568 export function getListingTypeFromProps(props: any): ListingType {
569 return props.match.params.listing_type
570 ? routeListingTypeToEnum(props.match.params.listing_type)
571 : UserService.Instance.user
572 ? UserService.Instance.user.default_listing_type
576 // TODO might need to add a user setting for this too
577 export function getDataTypeFromProps(props: any): DataType {
578 return props.match.params.data_type
579 ? routeDataTypeToEnum(props.match.params.data_type)
583 export function getSortTypeFromProps(props: any): SortType {
584 return props.match.params.sort
585 ? routeSortTypeToEnum(props.match.params.sort)
586 : UserService.Instance.user
587 ? UserService.Instance.user.default_sort_type
591 export function getPageFromProps(props: any): number {
592 return props.match.params.page ? Number(props.match.params.page) : 1;
595 export function editCommentRes(
596 data: CommentResponse,
597 comments: Array<Comment>
599 let found = comments.find(c => c.id == data.comment.id);
601 found.content = data.comment.content;
602 found.updated = data.comment.updated;
603 found.removed = data.comment.removed;
604 found.deleted = data.comment.deleted;
605 found.upvotes = data.comment.upvotes;
606 found.downvotes = data.comment.downvotes;
607 found.score = data.comment.score;
611 export function saveCommentRes(
612 data: CommentResponse,
613 comments: Array<Comment>
615 let found = comments.find(c => c.id == data.comment.id);
617 found.saved = data.comment.saved;
621 export function createCommentLikeRes(
622 data: CommentResponse,
623 comments: Array<Comment>
625 let found: Comment = comments.find(c => c.id === data.comment.id);
627 found.score = data.comment.score;
628 found.upvotes = data.comment.upvotes;
629 found.downvotes = data.comment.downvotes;
630 if (data.comment.my_vote !== null) {
631 found.my_vote = data.comment.my_vote;
636 export function createPostLikeFindRes(data: PostResponse, posts: Array<Post>) {
637 let found = posts.find(c => c.id == data.post.id);
639 createPostLikeRes(data, found);
643 export function createPostLikeRes(data: PostResponse, post: Post) {
645 post.score = data.post.score;
646 post.upvotes = data.post.upvotes;
647 post.downvotes = data.post.downvotes;
648 if (data.post.my_vote !== null) {
649 post.my_vote = data.post.my_vote;
654 export function editPostFindRes(data: PostResponse, posts: Array<Post>) {
655 let found = posts.find(c => c.id == data.post.id);
657 editPostRes(data, found);
661 export function editPostRes(data: PostResponse, post: Post) {
663 post.url = data.post.url;
664 post.name = data.post.name;
665 post.nsfw = data.post.nsfw;
669 export function commentsToFlatNodes(
670 comments: Array<Comment>
671 ): Array<CommentNodeI> {
672 let nodes: Array<CommentNodeI> = [];
673 for (let comment of comments) {
674 nodes.push({ comment: comment });
679 export function commentSort(tree: Array<CommentNodeI>, sort: CommentSortType) {
680 // First, put removed and deleted comments at the bottom, then do your other sorts
681 if (sort == CommentSortType.Top) {
684 +a.comment.removed - +b.comment.removed ||
685 +a.comment.deleted - +b.comment.deleted ||
686 b.comment.score - a.comment.score
688 } else if (sort == CommentSortType.New) {
691 +a.comment.removed - +b.comment.removed ||
692 +a.comment.deleted - +b.comment.deleted ||
693 b.comment.published.localeCompare(a.comment.published)
695 } else if (sort == CommentSortType.Old) {
698 +a.comment.removed - +b.comment.removed ||
699 +a.comment.deleted - +b.comment.deleted ||
700 a.comment.published.localeCompare(b.comment.published)
702 } else if (sort == CommentSortType.Hot) {
705 +a.comment.removed - +b.comment.removed ||
706 +a.comment.deleted - +b.comment.deleted ||
707 hotRankComment(b.comment) - hotRankComment(a.comment)
711 // Go through the children recursively
712 for (let node of tree) {
714 commentSort(node.children, sort);
719 export function commentSortSortType(tree: Array<CommentNodeI>, sort: SortType) {
720 commentSort(tree, convertCommentSortType(sort));
723 function convertCommentSortType(sort: SortType): CommentSortType {
725 sort == SortType.TopAll ||
726 sort == SortType.TopDay ||
727 sort == SortType.TopWeek ||
728 sort == SortType.TopMonth ||
729 sort == SortType.TopYear
731 return CommentSortType.Top;
732 } else if (sort == SortType.New) {
733 return CommentSortType.New;
734 } else if (sort == SortType.Hot) {
735 return CommentSortType.Hot;
737 return CommentSortType.Hot;
741 export function postSort(
744 communityType: boolean
746 // First, put removed and deleted comments at the bottom, then do your other sorts
748 sort == SortType.TopAll ||
749 sort == SortType.TopDay ||
750 sort == SortType.TopWeek ||
751 sort == SortType.TopMonth ||
752 sort == SortType.TopYear
756 +a.removed - +b.removed ||
757 +a.deleted - +b.deleted ||
758 (communityType && +b.stickied - +a.stickied) ||
761 } else if (sort == SortType.New) {
764 +a.removed - +b.removed ||
765 +a.deleted - +b.deleted ||
766 (communityType && +b.stickied - +a.stickied) ||
767 b.published.localeCompare(a.published)
769 } else if (sort == SortType.Hot) {
772 +a.removed - +b.removed ||
773 +a.deleted - +b.deleted ||
774 (communityType && +b.stickied - +a.stickied) ||
775 hotRankPost(b) - hotRankPost(a)
780 export const colorList: Array<string> = [
789 function hsl(num: number) {
790 return `hsla(${num}, 35%, 50%, 1)`;
793 function randomHsl() {
794 return `hsla(${Math.random() * 360}, 100%, 50%, 1)`;