1 import { Picker } from "emoji-mart";
2 import emojiShortName from "emoji-short-name";
4 BlockCommunityResponse,
12 CommunityModeratorView,
25 PrivateMessageReportView,
27 RegistrationApplicationView,
31 } from "lemmy-js-client";
32 import { default as MarkdownIt } from "markdown-it";
33 import markdown_it_container from "markdown-it-container";
34 import markdown_it_emoji from "markdown-it-emoji/bare";
35 import markdown_it_footnote from "markdown-it-footnote";
36 import markdown_it_html5_embed from "markdown-it-html5-embed";
37 import markdown_it_sub from "markdown-it-sub";
38 import markdown_it_sup from "markdown-it-sup";
39 import Renderer from "markdown-it/lib/renderer";
40 import Token from "markdown-it/lib/token";
41 import moment from "moment";
42 import tippy from "tippy.js";
43 import Toastify from "toastify-js";
44 import { getHttpBase } from "./env";
45 import { i18n, languages } from "./i18next";
46 import { CommentNodeI, DataType, IsoData, VoteType } from "./interfaces";
47 import { HttpService, UserService } from "./services";
48 import { RequestState } from "./services/HttpService";
52 Tribute = require("tributejs");
55 export const favIconUrl = "/static/assets/icons/favicon.svg";
56 export const favIconPngUrl = "/static/assets/icons/apple-touch-icon.png";
58 // export const defaultFavIcon = `${window.location.protocol}//${window.location.host}${favIconPngUrl}`;
59 export const repoUrl = "https://github.com/LemmyNet";
60 export const joinLemmyUrl = "https://join-lemmy.org";
61 export const donateLemmyUrl = `${joinLemmyUrl}/donate`;
62 export const docsUrl = `${joinLemmyUrl}/docs/en/index.html`;
63 export const helpGuideUrl = `${joinLemmyUrl}/docs/en/users/01-getting-started.html`; // TODO find a way to redirect to the non-en folder
64 export const markdownHelpUrl = `${joinLemmyUrl}/docs/en/users/02-media.html`;
65 export const sortingHelpUrl = `${joinLemmyUrl}/docs/en/users/03-votes-and-ranking.html`;
66 export const archiveTodayUrl = "https://archive.today";
67 export const ghostArchiveUrl = "https://ghostarchive.org";
68 export const webArchiveUrl = "https://web.archive.org";
69 export const elementUrl = "https://element.io";
71 export const postRefetchSeconds: number = 60 * 1000;
72 export const fetchLimit = 40;
73 export const trendingFetchLimit = 6;
74 export const mentionDropdownFetchLimit = 10;
75 export const commentTreeMaxDepth = 8;
76 export const markdownFieldCharacterLimit = 50000;
77 export const maxUploadImages = 20;
78 export const concurrentImageUpload = 4;
79 export const updateUnreadCountsInterval = 30000;
81 export const relTags = "noopener nofollow";
83 export const emDash = "\u2014";
85 export type ThemeColor =
108 export interface ErrorPageData {
110 adminMatrixIds?: string[];
113 const customEmojis: EmojiMartCategory[] = [];
114 export let customEmojisLookup: Map<string, CustomEmojiView> = new Map<
119 const DEFAULT_ALPHABET =
120 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
122 function getRandomCharFromAlphabet(alphabet: string): string {
123 return alphabet.charAt(Math.floor(Math.random() * alphabet.length));
126 export function getIdFromString(id?: string): number | undefined {
127 return id && id !== "0" && !Number.isNaN(Number(id)) ? Number(id) : undefined;
130 export function getPageFromString(page?: string): number {
131 return page && !Number.isNaN(Number(page)) ? Number(page) : 1;
134 export function randomStr(
135 idDesiredLength = 20,
136 alphabet = DEFAULT_ALPHABET
139 * Create n-long array and map it to random chars from given alphabet.
140 * Then join individual chars as string
142 return Array.from({ length: idDesiredLength })
144 return getRandomCharFromAlphabet(alphabet);
149 const html5EmbedConfig = {
151 useImageSyntax: true, // Enables video/audio embed with ![]() syntax (default)
153 audio: 'controls preload="metadata"',
154 video: 'width="100%" max-height="100%" controls loop preload="metadata"',
159 const spoilerConfig = {
160 validate: (params: string) => {
161 return params.trim().match(/^spoiler\s+(.*)$/);
164 render: (tokens: any, idx: any) => {
165 var m = tokens[idx].info.trim().match(/^spoiler\s+(.*)$/);
167 if (tokens[idx].nesting === 1) {
169 return `<details><summary> ${md.utils.escapeHtml(m[1])} </summary>\n`;
172 return "</details>\n";
177 export let md: MarkdownIt = new MarkdownIt();
179 export let mdNoImages: MarkdownIt = new MarkdownIt();
181 export function hotRankComment(comment_view: CommentView): number {
182 return hotRank(comment_view.counts.score, comment_view.comment.published);
185 export function hotRankActivePost(post_view: PostView): number {
186 return hotRank(post_view.counts.score, post_view.counts.newest_comment_time);
189 export function hotRankPost(post_view: PostView): number {
190 return hotRank(post_view.counts.score, post_view.post.published);
193 export function hotRank(score: number, timeStr: string): number {
194 // Rank = ScaleFactor * sign(Score) * log(1 + abs(Score)) / (Time + 2)^Gravity
195 const date: Date = new Date(timeStr + "Z"); // Add Z to convert from UTC date
196 const now: Date = new Date();
197 const hoursElapsed: number = (now.getTime() - date.getTime()) / 36e5;
200 (10000 * Math.log10(Math.max(1, 3 + Number(score)))) /
201 Math.pow(hoursElapsed + 2, 1.8);
203 // console.log(`Comment: ${comment.content}\nRank: ${rank}\nScore: ${comment.score}\nHours: ${hoursElapsed}`);
208 export function mdToHtml(text: string) {
209 return { __html: md.render(text) };
212 export function mdToHtmlNoImages(text: string) {
213 return { __html: mdNoImages.render(text) };
216 export function mdToHtmlInline(text: string) {
217 return { __html: md.renderInline(text) };
220 export function getUnixTime(text?: string): number | undefined {
221 return text ? new Date(text).getTime() / 1000 : undefined;
224 export function futureDaysToUnixTime(days?: number): number | undefined {
227 new Date(Date.now() + 1000 * 60 * 60 * 24 * days).getTime() / 1000
232 export function canMod(
234 mods?: CommunityModeratorView[],
235 admins?: PersonView[],
236 myUserInfo = UserService.Instance.myUserInfo,
239 // You can do moderator actions only on the mods added after you.
242 ?.map(a => a.person.id)
243 .concat(mods?.map(m => m.moderator.id) ?? []) ?? [];
246 const myIndex = adminsThenMods.findIndex(
247 id => id == myUserInfo.local_user_view.person.id
252 // onSelf +1 on mod actions not for yourself, IE ban, remove, etc
253 adminsThenMods = adminsThenMods.slice(0, myIndex + (onSelf ? 0 : 1));
254 return !adminsThenMods.includes(creator_id);
261 export function canAdmin(
263 admins?: PersonView[],
264 myUserInfo = UserService.Instance.myUserInfo,
267 return canMod(creatorId, undefined, admins, myUserInfo, onSelf);
270 export function isMod(
272 mods?: CommunityModeratorView[]
274 return mods?.map(m => m.moderator.id).includes(creatorId) ?? false;
277 export function amMod(
278 mods?: CommunityModeratorView[],
279 myUserInfo = UserService.Instance.myUserInfo
281 return myUserInfo ? isMod(myUserInfo.local_user_view.person.id, mods) : false;
284 export function isAdmin(creatorId: number, admins?: PersonView[]): boolean {
285 return admins?.map(a => a.person.id).includes(creatorId) ?? false;
288 export function amAdmin(myUserInfo = UserService.Instance.myUserInfo): boolean {
289 return myUserInfo?.local_user_view.person.admin ?? false;
292 export function amCommunityCreator(
294 mods?: CommunityModeratorView[],
295 myUserInfo = UserService.Instance.myUserInfo
297 const myId = myUserInfo?.local_user_view.person.id;
298 // Don't allow mod actions on yourself
299 return myId == mods?.at(0)?.moderator.id && myId != creator_id;
302 export function amSiteCreator(
304 admins?: PersonView[],
305 myUserInfo = UserService.Instance.myUserInfo
307 const myId = myUserInfo?.local_user_view.person.id;
308 return myId == admins?.at(0)?.person.id && myId != creator_id;
311 export function amTopMod(
312 mods: CommunityModeratorView[],
313 myUserInfo = UserService.Instance.myUserInfo
315 return mods.at(0)?.moderator.id == myUserInfo?.local_user_view.person.id;
318 const imageRegex = /(http)?s?:?(\/\/[^"']*\.(?:jpg|jpeg|gif|png|svg|webp))/;
319 const videoRegex = /(http)?s?:?(\/\/[^"']*\.(?:mp4|webm))/;
321 export function isImage(url: string) {
322 return imageRegex.test(url);
325 export function isVideo(url: string) {
326 return videoRegex.test(url);
329 export function validURL(str: string) {
330 return !!new URL(str);
333 export function communityRSSUrl(actorId: string, sort: string): string {
334 const url = new URL(actorId);
335 return `${url.origin}/feeds${url.pathname}.xml?sort=${sort}`;
338 export function validEmail(email: string) {
340 /^(([^\s"(),.:;<>@[\\\]]+(\.[^\s"(),.:;<>@[\\\]]+)*)|(".+"))@((\[(?:\d{1,3}\.){3}\d{1,3}])|(([\dA-Za-z\-]+\.)+[A-Za-z]{2,}))$/;
341 return re.test(String(email).toLowerCase());
344 export function capitalizeFirstLetter(str: string): string {
345 return str.charAt(0).toUpperCase() + str.slice(1);
348 export async function getSiteMetadata(url: string) {
349 const form: GetSiteMetadata = { url };
350 const client = new LemmyHttp(getHttpBase());
351 return client.getSiteMetadata(form);
354 export function getDataTypeString(dt: DataType) {
355 return dt === DataType.Post ? "Post" : "Comment";
358 export function debounce<T extends any[], R>(
359 func: (...e: T) => R,
363 // 'private' variable for instance
364 // The returned function will be able to reference this due to closure.
365 // Each call to the returned function will share this common timer.
366 let timeout: NodeJS.Timeout | null;
368 // Calling debounce returns a new anonymous function
370 // reference the context and args for the setTimeout function
371 const args = arguments;
373 // Should the function be called now? If immediate is true
374 // and not already in a timeout then the answer is: Yes
375 const callNow = immediate && !timeout;
377 // This is the basic debounce behavior where you can call this
378 // function several times, but it will only execute once
379 // [before or after imposing a delay].
380 // Each time the returned function is called, the timer starts over.
381 clearTimeout(timeout ?? undefined);
383 // Set the new timeout
384 timeout = setTimeout(function () {
385 // Inside the timeout function, clear the timeout variable
386 // which will let the next execution run when in 'immediate' mode
389 // Check if the function already ran with the immediate flag
391 // Call the original function with apply
392 // apply lets you define the 'this' object as well as the arguments
393 // (both captured before setTimeout)
394 func.apply(this, args);
398 // Immediate mode and no wait timer? Execute the function..
399 if (callNow) func.apply(this, args);
403 export function getLanguages(
405 myUserInfo = UserService.Instance.myUserInfo
407 const myLang = myUserInfo?.local_user_view.local_user.interface_language;
408 const lang = override || myLang || "browser";
410 if (lang == "browser" && isBrowser()) {
411 return getBrowserLanguages();
417 function getBrowserLanguages(): string[] {
418 // Intersect lemmy's langs, with the browser langs
419 const langs = languages ? languages.map(l => l.code) : ["en"];
421 // NOTE, mobile browsers seem to be missing this list, so append en
422 const allowedLangs = navigator.languages
424 .filter(v => langs.includes(v));
428 export async function fetchThemeList(): Promise<string[]> {
429 return fetch("/css/themelist").then(res => res.json());
432 export async function setTheme(theme: string, forceReload = false) {
436 if (theme === "browser" && !forceReload) {
439 // This is only run on a force reload
440 if (theme == "browser") {
444 const themeList = await fetchThemeList();
446 // Unload all the other themes
447 for (var i = 0; i < themeList.length; i++) {
448 const styleSheet = document.getElementById(themeList[i]);
450 styleSheet.setAttribute("disabled", "disabled");
455 .getElementById("default-light")
456 ?.setAttribute("disabled", "disabled");
457 document.getElementById("default-dark")?.setAttribute("disabled", "disabled");
459 // Load the theme dynamically
460 const cssLoc = `/css/themes/${theme}.css`;
462 loadCss(theme, cssLoc);
463 document.getElementById(theme)?.removeAttribute("disabled");
466 export function loadCss(id: string, loc: string) {
467 if (!document.getElementById(id)) {
468 var head = document.getElementsByTagName("head")[0];
469 var link = document.createElement("link");
471 link.rel = "stylesheet";
472 link.type = "text/css";
475 head.appendChild(link);
479 export function objectFlip(obj: any) {
481 Object.keys(obj).forEach(key => {
487 export function showAvatars(
488 myUserInfo = UserService.Instance.myUserInfo
490 return myUserInfo?.local_user_view.local_user.show_avatars ?? true;
493 export function showScores(
494 myUserInfo = UserService.Instance.myUserInfo
496 return myUserInfo?.local_user_view.local_user.show_scores ?? true;
499 export function isCakeDay(published: string): boolean {
500 // moment(undefined) or moment.utc(undefined) returns the current date/time
501 // moment(null) or moment.utc(null) returns null
502 const createDate = moment.utc(published).local();
503 const currentDate = moment(new Date());
506 createDate.date() === currentDate.date() &&
507 createDate.month() === currentDate.month() &&
508 createDate.year() !== currentDate.year()
512 export function toast(text: string, background: ThemeColor = "success") {
514 const backgroundColor = `var(--${background})`;
517 backgroundColor: backgroundColor,
525 export function pictrsDeleteToast(filename: string, deleteUrl: string) {
527 const clickToDeleteText = i18n.t("click_to_delete_picture", { filename });
528 const deletePictureText = i18n.t("picture_deleted", {
531 const failedDeletePictureText = i18n.t("failed_to_delete_picture", {
535 const backgroundColor = `var(--light)`;
537 const toast = Toastify({
538 text: clickToDeleteText,
539 backgroundColor: backgroundColor,
545 fetch(deleteUrl).then(res => {
547 if (res.ok === true) {
548 alert(deletePictureText);
550 alert(failedDeletePictureText);
562 export function setupTribute() {
564 noMatchTemplate: function () {
571 menuItemTemplate: (item: any) => {
572 const shortName = `:${item.original.key}:`;
573 return `${item.original.val} ${shortName}`;
575 selectTemplate: (item: any) => {
576 const customEmoji = customEmojisLookup.get(
579 if (customEmoji == undefined) return `${item.original.val}`;
581 return `![${customEmoji.alt_text}](${customEmoji.image_url} "${customEmoji.shortcode}")`;
583 values: Object.entries(emojiShortName)
585 return { key: e[1], val: e[0] };
588 Array.from(customEmojisLookup.entries()).map(k => ({
590 val: `<img class="icon icon-emoji" src="${k[1].custom_emoji.image_url}" title="${k[1].custom_emoji.shortcode}" alt="${k[1].custom_emoji.alt_text}" />`,
594 autocompleteMode: true,
596 // menuItemLimit: mentionDropdownFetchLimit,
597 menuShowMinLength: 2,
602 selectTemplate: (item: any) => {
603 const it: PersonTribute = item.original;
604 return `[${it.key}](${it.view.person.actor_id})`;
606 values: debounce(async (text: string, cb: any) => {
607 cb(await personSearch(text));
610 autocompleteMode: true,
612 // menuItemLimit: mentionDropdownFetchLimit,
613 menuShowMinLength: 2,
619 selectTemplate: (item: any) => {
620 const it: CommunityTribute = item.original;
621 return `[${it.key}](${it.view.community.actor_id})`;
623 values: debounce(async (text: string, cb: any) => {
624 cb(await communitySearch(text));
627 autocompleteMode: true,
629 // menuItemLimit: mentionDropdownFetchLimit,
630 menuShowMinLength: 2,
636 function setupEmojiDataModel(custom_emoji_views: CustomEmojiView[]) {
637 const groupedEmojis = groupBy(
639 x => x.custom_emoji.category
641 for (const [category, emojis] of Object.entries(groupedEmojis)) {
645 emojis: emojis.map(emoji => ({
646 id: emoji.custom_emoji.shortcode,
647 name: emoji.custom_emoji.shortcode,
648 keywords: emoji.keywords.map(x => x.keyword),
649 skins: [{ src: emoji.custom_emoji.image_url }],
653 customEmojisLookup = new Map(
654 custom_emoji_views.map(view => [view.custom_emoji.shortcode, view])
658 export function updateEmojiDataModel(custom_emoji_view: CustomEmojiView) {
659 const emoji: EmojiMartCustomEmoji = {
660 id: custom_emoji_view.custom_emoji.shortcode,
661 name: custom_emoji_view.custom_emoji.shortcode,
662 keywords: custom_emoji_view.keywords.map(x => x.keyword),
663 skins: [{ src: custom_emoji_view.custom_emoji.image_url }],
665 const categoryIndex = customEmojis.findIndex(
666 x => x.id == custom_emoji_view.custom_emoji.category
668 if (categoryIndex == -1) {
670 id: custom_emoji_view.custom_emoji.category,
671 name: custom_emoji_view.custom_emoji.category,
675 const emojiIndex = customEmojis[categoryIndex].emojis.findIndex(
676 x => x.id == custom_emoji_view.custom_emoji.shortcode
678 if (emojiIndex == -1) {
679 customEmojis[categoryIndex].emojis.push(emoji);
681 customEmojis[categoryIndex].emojis[emojiIndex] = emoji;
684 customEmojisLookup.set(
685 custom_emoji_view.custom_emoji.shortcode,
690 export function removeFromEmojiDataModel(id: number) {
691 let view: CustomEmojiView | undefined;
692 for (const item of customEmojisLookup.values()) {
693 if (item.custom_emoji.id === id) {
699 const categoryIndex = customEmojis.findIndex(
700 x => x.id == view?.custom_emoji.category
702 const emojiIndex = customEmojis[categoryIndex].emojis.findIndex(
703 x => x.id == view?.custom_emoji.shortcode
705 customEmojis[categoryIndex].emojis = customEmojis[
707 ].emojis.splice(emojiIndex, 1);
709 customEmojisLookup.delete(view?.custom_emoji.shortcode);
712 function setupMarkdown() {
713 const markdownItConfig: MarkdownIt.Options = {
719 const emojiDefs = Array.from(customEmojisLookup.entries()).reduce(
720 (main, [key, value]) => ({ ...main, [key]: value }),
723 md = new MarkdownIt(markdownItConfig)
724 .use(markdown_it_sub)
725 .use(markdown_it_sup)
726 .use(markdown_it_footnote)
727 .use(markdown_it_html5_embed, html5EmbedConfig)
728 .use(markdown_it_container, "spoiler", spoilerConfig)
729 .use(markdown_it_emoji, {
733 mdNoImages = new MarkdownIt(markdownItConfig)
734 .use(markdown_it_sub)
735 .use(markdown_it_sup)
736 .use(markdown_it_footnote)
737 .use(markdown_it_html5_embed, html5EmbedConfig)
738 .use(markdown_it_container, "spoiler", spoilerConfig)
739 .use(markdown_it_emoji, {
743 const defaultRenderer = md.renderer.rules.image;
744 md.renderer.rules.image = function (
747 options: MarkdownIt.Options,
751 //Provide custom renderer for our emojis to allow us to add a css class and force size dimensions on them.
752 const item = tokens[idx] as any;
753 const title = item.attrs.length >= 3 ? item.attrs[2][1] : "";
754 const src: string = item.attrs[0][1];
755 const isCustomEmoji = customEmojisLookup.get(title) != undefined;
756 if (!isCustomEmoji) {
757 return defaultRenderer?.(tokens, idx, options, env, self) ?? "";
759 const alt_text = item.content;
760 return `<img class="icon icon-emoji" src="${src}" title="${title}" alt="${alt_text}"/>`;
762 md.renderer.rules.table_open = function () {
763 return '<table class="table">';
767 export function getEmojiMart(
768 onEmojiSelect: (e: any) => void,
769 customPickerOptions: any = {}
771 const pickerOptions = {
772 ...customPickerOptions,
773 onEmojiSelect: onEmojiSelect,
774 custom: customEmojis,
776 return new Picker(pickerOptions);
779 var tippyInstance: any;
781 tippyInstance = tippy("[data-tippy-content]");
784 export function setupTippy() {
786 tippyInstance.forEach((e: any) => e.destroy());
787 tippyInstance = tippy("[data-tippy-content]", {
789 // Display on "long press"
790 touch: ["hold", 500],
795 interface PersonTribute {
800 async function personSearch(text: string): Promise<PersonTribute[]> {
801 const usersResponse = await fetchUsers(text);
803 return usersResponse.map(pv => ({
804 key: `@${pv.person.name}@${hostname(pv.person.actor_id)}`,
809 interface CommunityTribute {
814 async function communitySearch(text: string): Promise<CommunityTribute[]> {
815 const communitiesResponse = await fetchCommunities(text);
817 return communitiesResponse.map(cv => ({
818 key: `!${cv.community.name}@${hostname(cv.community.actor_id)}`,
823 export function getRecipientIdFromProps(props: any): number {
824 return props.match.params.recipient_id
825 ? Number(props.match.params.recipient_id)
829 export function getIdFromProps(props: any): number | undefined {
830 const id = props.match.params.post_id;
831 return id ? Number(id) : undefined;
834 export function getCommentIdFromProps(props: any): number | undefined {
835 const id = props.match.params.comment_id;
836 return id ? Number(id) : undefined;
839 type ImmutableListKey =
848 | "private_message_report"
849 | "registration_application";
851 function editListImmutable<
852 T extends { [key in F]: { id: number } },
853 F extends ImmutableListKey
854 >(fieldName: F, data: T, list: T[]): T[] {
856 ...list.map(c => (c[fieldName].id === data[fieldName].id ? data : c)),
860 export function editComment(
862 comments: CommentView[]
864 return editListImmutable("comment", data, comments);
867 export function editCommentReply(
868 data: CommentReplyView,
869 replies: CommentReplyView[]
870 ): CommentReplyView[] {
871 return editListImmutable("comment_reply", data, replies);
874 interface WithComment {
876 counts: CommentAggregates;
881 export function editMention(
882 data: PersonMentionView,
883 comments: PersonMentionView[]
884 ): PersonMentionView[] {
885 return editListImmutable("person_mention", data, comments);
888 export function editCommunity(
890 communities: CommunityView[]
892 return editListImmutable("community", data, communities);
895 export function editPrivateMessage(
896 data: PrivateMessageView,
897 messages: PrivateMessageView[]
898 ): PrivateMessageView[] {
899 return editListImmutable("private_message", data, messages);
902 export function editPost(data: PostView, posts: PostView[]): PostView[] {
903 return editListImmutable("post", data, posts);
906 export function editPostReport(
907 data: PostReportView,
908 reports: PostReportView[]
910 return editListImmutable("post_report", data, reports);
913 export function editCommentReport(
914 data: CommentReportView,
915 reports: CommentReportView[]
916 ): CommentReportView[] {
917 return editListImmutable("comment_report", data, reports);
920 export function editPrivateMessageReport(
921 data: PrivateMessageReportView,
922 reports: PrivateMessageReportView[]
923 ): PrivateMessageReportView[] {
924 return editListImmutable("private_message_report", data, reports);
927 export function editRegistrationApplication(
928 data: RegistrationApplicationView,
929 apps: RegistrationApplicationView[]
930 ): RegistrationApplicationView[] {
931 return editListImmutable("registration_application", data, apps);
934 export function editWith<D extends WithComment, L extends WithComment>(
935 { comment, counts, saved, my_vote }: D,
940 c.comment.id === comment.id
941 ? { ...c, comment, counts, saved, my_vote }
947 export function updatePersonBlock(
948 data: BlockPersonResponse,
949 myUserInfo: MyUserInfo | undefined = UserService.Instance.myUserInfo
953 myUserInfo.person_blocks.push({
954 person: myUserInfo.local_user_view.person,
955 target: data.person_view.person,
957 toast(`${i18n.t("blocked")} ${data.person_view.person.name}`);
959 myUserInfo.person_blocks = myUserInfo.person_blocks.filter(
960 i => i.target.id !== data.person_view.person.id
962 toast(`${i18n.t("unblocked")} ${data.person_view.person.name}`);
967 export function updateCommunityBlock(
968 data: BlockCommunityResponse,
969 myUserInfo: MyUserInfo | undefined = UserService.Instance.myUserInfo
973 myUserInfo.community_blocks.push({
974 person: myUserInfo.local_user_view.person,
975 community: data.community_view.community,
977 toast(`${i18n.t("blocked")} ${data.community_view.community.name}`);
979 myUserInfo.community_blocks = myUserInfo.community_blocks.filter(
980 i => i.community.id !== data.community_view.community.id
982 toast(`${i18n.t("unblocked")} ${data.community_view.community.name}`);
987 export function commentsToFlatNodes(comments: CommentView[]): CommentNodeI[] {
988 const nodes: CommentNodeI[] = [];
989 for (const comment of comments) {
990 nodes.push({ comment_view: comment, children: [], depth: 0 });
995 export function convertCommentSortType(sort: SortType): CommentSortType {
1000 sort == "TopMonth" ||
1004 } else if (sort == "New") {
1006 } else if (sort == "Hot" || sort == "Active") {
1013 export function buildCommentsTree(
1014 comments: CommentView[],
1015 parentComment: boolean
1017 const map = new Map<number, CommentNodeI>();
1018 const depthOffset = !parentComment
1020 : getDepthFromComment(comments[0].comment) ?? 0;
1022 for (const comment_view of comments) {
1023 const depthI = getDepthFromComment(comment_view.comment) ?? 0;
1024 const depth = depthI ? depthI - depthOffset : 0;
1025 const node: CommentNodeI = {
1030 map.set(comment_view.comment.id, { ...node });
1033 const tree: CommentNodeI[] = [];
1035 // if its a parent comment fetch, then push the first comment to the top node.
1036 if (parentComment) {
1037 const cNode = map.get(comments[0].comment.id);
1043 for (const comment_view of comments) {
1044 const child = map.get(comment_view.comment.id);
1046 const parent_id = getCommentParentId(comment_view.comment);
1048 const parent = map.get(parent_id);
1049 // Necessary because blocked comment might not exist
1051 parent.children.push(child);
1054 if (!parentComment) {
1064 export function getCommentParentId(comment?: CommentI): number | undefined {
1065 const split = comment?.path.split(".");
1069 return split && split.length > 1
1070 ? Number(split.at(split.length - 2))
1074 export function getDepthFromComment(comment?: CommentI): number | undefined {
1075 const len = comment?.path.split(".").length;
1076 return len ? len - 2 : undefined;
1079 // TODO make immutable
1080 export function insertCommentIntoTree(
1081 tree: CommentNodeI[],
1083 parentComment: boolean
1085 // Building a fake node to be used for later
1086 const node: CommentNodeI = {
1092 const parentId = getCommentParentId(cv.comment);
1094 const parent_comment = searchCommentTree(tree, parentId);
1095 if (parent_comment) {
1096 node.depth = parent_comment.depth + 1;
1097 parent_comment.children.unshift(node);
1099 } else if (!parentComment) {
1104 export function searchCommentTree(
1105 tree: CommentNodeI[],
1107 ): CommentNodeI | undefined {
1108 for (const node of tree) {
1109 if (node.comment_view.comment.id === id) {
1113 for (const child of node.children) {
1114 const res = searchCommentTree([child], id);
1124 export const colorList: string[] = [
1134 function hsl(num: number) {
1135 return `hsla(${num}, 35%, 50%, 0.5)`;
1138 export function hostname(url: string): string {
1139 const cUrl = new URL(url);
1140 return cUrl.port ? `${cUrl.hostname}:${cUrl.port}` : `${cUrl.hostname}`;
1143 export function validTitle(title?: string): boolean {
1144 // Initial title is null, minimum length is taken care of by textarea's minLength={3}
1145 if (!title || title.length < 3) return true;
1147 const regex = new RegExp(/.*\S.*/, "g");
1149 return regex.test(title);
1152 export function siteBannerCss(banner: string): string {
1154 background-image: linear-gradient( rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8) ) ,url("${banner}"); \
1155 background-attachment: fixed; \
1156 background-position: top; \
1157 background-repeat: no-repeat; \
1158 background-size: 100% cover; \
1161 max-height: 100vh; \
1165 export function isBrowser() {
1166 return typeof window !== "undefined";
1169 export function setIsoData<T extends Record<string, RequestState<any>>>(
1172 // If its the browser, you need to deserialize the data from the window
1174 return window.isoData;
1175 } else return context.router.staticContext;
1178 moment.updateLocale("en", {
1199 export function saveScrollPosition(context: any) {
1200 const path: string = context.router.route.location.pathname;
1201 const y = window.scrollY;
1202 sessionStorage.setItem(`scrollPosition_${path}`, y.toString());
1205 export function restoreScrollPosition(context: any) {
1206 const path: string = context.router.route.location.pathname;
1207 const y = Number(sessionStorage.getItem(`scrollPosition_${path}`));
1208 window.scrollTo(0, y);
1211 export function showLocal(isoData: IsoData): boolean {
1212 return isoData.site_res.site_view.local_site.federation_enabled;
1215 export interface Choice {
1221 export function getUpdatedSearchId(id?: number | null, urlId?: number | null) {
1224 : ((id ?? urlId) === 0 ? undefined : id ?? urlId)?.toString();
1227 export function communityToChoice(cv: CommunityView): Choice {
1229 value: cv.community.id.toString(),
1230 label: communitySelectName(cv),
1234 export function personToChoice(pvs: PersonView): Choice {
1236 value: pvs.person.id.toString(),
1237 label: personSelectName(pvs),
1241 function fetchSearchResults(q: string, type_: SearchType) {
1242 const form: Search = {
1246 listing_type: "All",
1252 return HttpService.client.search(form);
1255 export async function fetchCommunities(q: string) {
1256 const res = await fetchSearchResults(q, "Communities");
1258 return res.state === "success" ? res.data.communities : [];
1261 export async function fetchUsers(q: string) {
1262 const res = await fetchSearchResults(q, "Users");
1264 return res.state === "success" ? res.data.users : [];
1267 export function communitySelectName(cv: CommunityView): string {
1268 return cv.community.local
1269 ? cv.community.title
1270 : `${hostname(cv.community.actor_id)}/${cv.community.title}`;
1273 export function personSelectName({
1274 person: { display_name, name, local, actor_id },
1275 }: PersonView): string {
1276 const pName = display_name ?? name;
1277 return local ? pName : `${hostname(actor_id)}/${pName}`;
1280 export function initializeSite(site?: GetSiteResponse) {
1281 UserService.Instance.myUserInfo = site?.my_user;
1282 i18n.changeLanguage(getLanguages()[0]);
1284 setupEmojiDataModel(site.custom_emojis ?? []);
1289 const SHORTNUM_SI_FORMAT = new Intl.NumberFormat("en-US", {
1290 maximumSignificantDigits: 3,
1292 notation: "compact",
1293 compactDisplay: "short",
1296 export function numToSI(value: number): string {
1297 return SHORTNUM_SI_FORMAT.format(value);
1300 export function isBanned(ps: Person): boolean {
1301 const expires = ps.ban_expires;
1302 // Add Z to convert from UTC date
1303 // TODO this check probably isn't necessary anymore
1305 if (ps.banned && new Date(expires + "Z") > new Date()) {
1315 export function myAuth(): string | undefined {
1316 return UserService.Instance.auth();
1319 export function myAuthRequired(): string {
1320 return UserService.Instance.auth(true) ?? "";
1323 export function enableDownvotes(siteRes: GetSiteResponse): boolean {
1324 return siteRes.site_view.local_site.enable_downvotes;
1327 export function enableNsfw(siteRes: GetSiteResponse): boolean {
1328 return siteRes.site_view.local_site.enable_nsfw;
1331 export function postToCommentSortType(sort: SortType): CommentSortType {
1346 export function canCreateCommunity(
1347 siteRes: GetSiteResponse,
1348 myUserInfo = UserService.Instance.myUserInfo
1350 const adminOnly = siteRes.site_view.local_site.community_creation_admin_only;
1351 // TODO: Make this check if user is logged on as well
1352 return !adminOnly || amAdmin(myUserInfo);
1355 export function isPostBlocked(
1357 myUserInfo: MyUserInfo | undefined = UserService.Instance.myUserInfo
1360 (myUserInfo?.community_blocks
1361 .map(c => c.community.id)
1362 .includes(pv.community.id) ||
1363 myUserInfo?.person_blocks
1364 .map(p => p.target.id)
1365 .includes(pv.creator.id)) ??
1370 /// Checks to make sure you can view NSFW posts. Returns true if you can.
1371 export function nsfwCheck(
1373 myUserInfo = UserService.Instance.myUserInfo
1375 const nsfw = pv.post.nsfw || pv.community.nsfw;
1376 const myShowNsfw = myUserInfo?.local_user_view.local_user.show_nsfw ?? false;
1377 return !nsfw || (nsfw && myShowNsfw);
1380 export function getRandomFromList<T>(list: T[]): T | undefined {
1381 return list.length == 0
1383 : list.at(Math.floor(Math.random() * list.length));
1387 * This shows what language you can select
1389 * Use showAll for the site form
1390 * Use showSite for the profile and community forms
1391 * Use false for both those to filter on your profile and site ones
1393 export function selectableLanguages(
1394 allLanguages: Language[],
1395 siteLanguages: number[],
1398 myUserInfo = UserService.Instance.myUserInfo
1400 const allLangIds = allLanguages.map(l => l.id);
1401 let myLangs = myUserInfo?.discussion_languages ?? allLangIds;
1402 myLangs = myLangs.length == 0 ? allLangIds : myLangs;
1403 const siteLangs = siteLanguages.length == 0 ? allLangIds : siteLanguages;
1406 return allLanguages;
1409 return allLanguages.filter(x => siteLangs.includes(x.id));
1412 .filter(x => siteLangs.includes(x.id))
1413 .filter(x => myLangs.includes(x.id));
1418 interface EmojiMartCategory {
1421 emojis: EmojiMartCustomEmoji[];
1424 interface EmojiMartCustomEmoji {
1428 skins: EmojiMartSkin[];
1431 interface EmojiMartSkin {
1435 const groupBy = <T>(
1437 predicate: (value: T, index: number, array: T[]) => string
1439 array.reduce((acc, value, index, array) => {
1440 (acc[predicate(value, index, array)] ||= []).push(value);
1442 }, {} as { [key: string]: T[] });
1444 export type QueryParams<T extends Record<string, any>> = {
1445 [key in keyof T]?: string;
1448 export function getQueryParams<T extends Record<string, any>>(processors: {
1449 [K in keyof T]: (param: string) => T[K];
1452 const searchParams = new URLSearchParams(window.location.search);
1454 return Array.from(Object.entries(processors)).reduce(
1455 (acc, [key, process]) => ({
1457 [key]: process(searchParams.get(key)),
1466 export function getQueryString<T extends Record<string, string | undefined>>(
1469 return Object.entries(obj)
1470 .filter(([, val]) => val !== undefined && val !== null)
1472 (acc, [key, val], index) => `${acc}${index > 0 ? "&" : ""}${key}=${val}`,
1477 export function isAuthPath(pathname: string) {
1478 return /create_.*|inbox|settings|admin|reports|registration_applications/g.test(
1483 export function canShare() {
1484 return isBrowser() && !!navigator.canShare;
1487 export function share(shareData: ShareData) {
1489 navigator.share(shareData);
1493 export function newVote(voteType: VoteType, myVote?: number): number {
1494 if (voteType == VoteType.Upvote) {
1495 return myVote == 1 ? 0 : 1;
1497 return myVote == -1 ? 0 : -1;
1501 export type RouteDataResponse<T extends Record<string, any>> = {
1502 [K in keyof T]: RequestState<T[K]>;
1505 function sleep(millis: number): Promise<void> {
1506 return new Promise(resolve => setTimeout(resolve, millis));
1510 * Polls / repeatedly runs a promise, every X milliseconds
1512 export async function poll(promiseFn: any, millis: number) {
1513 if (window.document.visibilityState !== "hidden") {
1516 await sleep(millis);
1517 return poll(promiseFn, millis);