1 import { None, Option, Result, Some } from "@sniptt/monads";
2 import { ClassConstructor, deserialize, serialize } from "class-transformer";
3 import emojiShortName from "emoji-short-name";
5 BlockCommunityResponse,
8 CommentNode as CommentNodeI,
13 CommunityModeratorView,
27 RegistrationApplicationView,
31 } from "lemmy-js-client";
32 import markdown_it from "markdown-it";
33 import markdown_it_container from "markdown-it-container";
34 import markdown_it_footnote from "markdown-it-footnote";
35 import markdown_it_html5_embed from "markdown-it-html5-embed";
36 import markdown_it_sub from "markdown-it-sub";
37 import markdown_it_sup from "markdown-it-sup";
38 import moment from "moment";
39 import { Subscription } from "rxjs";
40 import { delay, retryWhen, take } from "rxjs/operators";
41 import tippy from "tippy.js";
42 import Toastify from "toastify-js";
43 import { httpBase } from "./env";
44 import { i18n, languages } from "./i18next";
45 import { DataType, IsoData } from "./interfaces";
46 import { UserService, WebSocketService } from "./services";
50 Tribute = require("tributejs");
53 export const wsClient = new LemmyWebsocket();
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/about/guide.html`; // TODO find a way to redirect to the non-en folder
64 export const markdownHelpUrl = `${helpGuideUrl}#using-markdown`;
65 export const sortingHelpUrl = `${helpGuideUrl}#sorting`;
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 = 20;
73 export const trendingFetchLimit = 6;
74 export const mentionDropdownFetchLimit = 10;
75 export const commentTreeMaxDepth = 8;
77 export const relTags = "noopener nofollow";
79 const DEFAULT_ALPHABET =
80 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
82 function getRandomCharFromAlphabet(alphabet: string): string {
83 return alphabet.charAt(Math.floor(Math.random() * alphabet.length));
86 export function randomStr(
88 alphabet = DEFAULT_ALPHABET
91 * Create n-long array and map it to random chars from given alphabet.
92 * Then join individual chars as string
94 return Array.from({ length: idDesiredLength })
96 return getRandomCharFromAlphabet(alphabet);
101 export const md = new markdown_it({
106 .use(markdown_it_sub)
107 .use(markdown_it_sup)
108 .use(markdown_it_footnote)
109 .use(markdown_it_html5_embed, {
111 useImageSyntax: true, // Enables video/audio embed with ![]() syntax (default)
113 audio: 'controls preload="metadata"',
115 'width="100%" max-height="100%" controls loop preload="metadata"',
119 .use(markdown_it_container, "spoiler", {
120 validate: function (params: any) {
121 return params.trim().match(/^spoiler\s+(.*)$/);
124 render: function (tokens: any, idx: any) {
125 var m = tokens[idx].info.trim().match(/^spoiler\s+(.*)$/);
127 if (tokens[idx].nesting === 1) {
129 return `<details><summary> ${md.utils.escapeHtml(m[1])} </summary>\n`;
132 return "</details>\n";
137 export function hotRankComment(comment_view: CommentView): number {
138 return hotRank(comment_view.counts.score, comment_view.comment.published);
141 export function hotRankActivePost(post_view: PostView): number {
142 return hotRank(post_view.counts.score, post_view.counts.newest_comment_time);
145 export function hotRankPost(post_view: PostView): number {
146 return hotRank(post_view.counts.score, post_view.post.published);
149 export function hotRank(score: number, timeStr: string): number {
150 // Rank = ScaleFactor * sign(Score) * log(1 + abs(Score)) / (Time + 2)^Gravity
151 let date: Date = new Date(timeStr + "Z"); // Add Z to convert from UTC date
152 let now: Date = new Date();
153 let hoursElapsed: number = (now.getTime() - date.getTime()) / 36e5;
156 (10000 * Math.log10(Math.max(1, 3 + score))) /
157 Math.pow(hoursElapsed + 2, 1.8);
159 // console.log(`Comment: ${comment.content}\nRank: ${rank}\nScore: ${comment.score}\nHours: ${hoursElapsed}`);
164 export function mdToHtml(text: string) {
165 return { __html: md.render(text) };
168 export function getUnixTime(text: string): number {
169 return text ? new Date(text).getTime() / 1000 : undefined;
172 export function futureDaysToUnixTime(days: number): number {
175 new Date(Date.now() + 1000 * 60 * 60 * 24 * days).getTime() / 1000
180 export function canMod(
181 mods: Option<CommunityModeratorView[]>,
182 admins: Option<PersonViewSafe[]>,
184 myUserInfo = UserService.Instance.myUserInfo,
187 // You can do moderator actions only on the mods added after you.
188 let adminsThenMods = admins
190 .map(a => a.person.id)
191 .concat(mods.unwrapOr([]).map(m => m.moderator.id));
193 return myUserInfo.match({
195 let myIndex = adminsThenMods.findIndex(
196 id => id == me.local_user_view.person.id
201 // onSelf +1 on mod actions not for yourself, IE ban, remove, etc
202 adminsThenMods = adminsThenMods.slice(0, myIndex + (onSelf ? 0 : 1));
203 return !adminsThenMods.includes(creator_id);
210 export function canAdmin(
211 admins: Option<PersonViewSafe[]>,
213 myUserInfo = UserService.Instance.myUserInfo
215 return canMod(None, admins, creator_id, myUserInfo);
218 export function isMod(
219 mods: Option<CommunityModeratorView[]>,
223 some: mods => mods.map(m => m.moderator.id).includes(creator_id),
228 export function amMod(
229 mods: Option<CommunityModeratorView[]>,
230 myUserInfo = UserService.Instance.myUserInfo
232 return myUserInfo.match({
233 some: mui => isMod(mods, mui.local_user_view.person.id),
238 export function isAdmin(
239 admins: Option<PersonViewSafe[]>,
242 return admins.match({
243 some: admins => admins.map(a => a.person.id).includes(creator_id),
248 export function amAdmin(
249 admins: Option<PersonViewSafe[]>,
250 myUserInfo = UserService.Instance.myUserInfo
252 return myUserInfo.match({
253 some: mui => isAdmin(admins, mui.local_user_view.person.id),
258 export function amCommunityCreator(
259 mods: Option<CommunityModeratorView[]>,
261 myUserInfo = UserService.Instance.myUserInfo
266 .map(mui => mui.local_user_view.person.id)
269 myId == mods[0].moderator.id &&
270 // Don't allow mod actions on yourself
278 export function amSiteCreator(
279 admins: Option<PersonViewSafe[]>,
281 myUserInfo = UserService.Instance.myUserInfo
283 return admins.match({
286 .map(mui => mui.local_user_view.person.id)
289 myId == admins[0].person.id &&
290 // Don't allow mod actions on yourself
298 export function amTopMod(
299 mods: Option<CommunityModeratorView[]>,
300 myUserInfo = UserService.Instance.myUserInfo
305 some: mui => mods[0].moderator.id == mui.local_user_view.person.id,
312 const imageRegex = /(http)?s?:?(\/\/[^"']*\.(?:jpg|jpeg|gif|png|svg|webp))/;
313 const videoRegex = /(http)?s?:?(\/\/[^"']*\.(?:mp4|webm))/;
315 export function isImage(url: string) {
316 return imageRegex.test(url);
319 export function isVideo(url: string) {
320 return videoRegex.test(url);
323 export function validURL(str: string) {
324 return !!new URL(str);
327 export function communityRSSUrl(actorId: string, sort: string): string {
328 let url = new URL(actorId);
329 return `${url.origin}/feeds${url.pathname}.xml?sort=${sort}`;
332 export function validEmail(email: string) {
334 /^(([^\s"(),.:;<>@[\\\]]+(\.[^\s"(),.:;<>@[\\\]]+)*)|(".+"))@((\[(?:\d{1,3}\.){3}\d{1,3}])|(([\dA-Za-z\-]+\.)+[A-Za-z]{2,}))$/;
335 return re.test(String(email).toLowerCase());
338 export function capitalizeFirstLetter(str: string): string {
339 return str.charAt(0).toUpperCase() + str.slice(1);
342 export function routeSortTypeToEnum(sort: string): SortType {
343 return SortType[sort];
346 export function listingTypeFromNum(type_: number): ListingType {
347 return Object.values(ListingType)[type_];
350 export function sortTypeFromNum(type_: number): SortType {
351 return Object.values(SortType)[type_];
354 export function routeListingTypeToEnum(type: string): ListingType {
355 return ListingType[type];
358 export function routeDataTypeToEnum(type: string): DataType {
359 return DataType[capitalizeFirstLetter(type)];
362 export function routeSearchTypeToEnum(type: string): SearchType {
363 return SearchType[type];
366 export async function getSiteMetadata(url: string) {
367 let form = new GetSiteMetadata({
370 let client = new LemmyHttp(httpBase);
371 return client.getSiteMetadata(form);
374 export function debounce(func: any, wait = 1000, immediate = false) {
375 // 'private' variable for instance
376 // The returned function will be able to reference this due to closure.
377 // Each call to the returned function will share this common timer.
380 // Calling debounce returns a new anonymous function
382 // reference the context and args for the setTimeout function
383 var args = arguments;
385 // Should the function be called now? If immediate is true
386 // and not already in a timeout then the answer is: Yes
387 var callNow = immediate && !timeout;
389 // This is the basic debounce behaviour where you can call this
390 // function several times, but it will only execute once
391 // [before or after imposing a delay].
392 // Each time the returned function is called, the timer starts over.
393 clearTimeout(timeout);
395 // Set the new timeout
396 timeout = setTimeout(function () {
397 // Inside the timeout function, clear the timeout variable
398 // which will let the next execution run when in 'immediate' mode
401 // Check if the function already ran with the immediate flag
403 // Call the original function with apply
404 // apply lets you define the 'this' object as well as the arguments
405 // (both captured before setTimeout)
406 func.apply(this, args);
410 // Immediate mode and no wait timer? Execute the function..
411 if (callNow) func.apply(this, args);
415 export function getLanguages(
417 myUserInfo = UserService.Instance.myUserInfo
419 let myLang = myUserInfo
420 .map(m => m.local_user_view.local_user.lang)
421 .unwrapOr("browser");
422 let lang = override || myLang;
424 if (lang == "browser" && isBrowser()) {
425 return getBrowserLanguages();
431 function getBrowserLanguages(): string[] {
432 // Intersect lemmy's langs, with the browser langs
433 let langs = languages ? languages.map(l => l.code) : ["en"];
435 // NOTE, mobile browsers seem to be missing this list, so append en
436 let allowedLangs = navigator.languages
438 .filter(v => langs.includes(v));
442 export async function fetchThemeList(): Promise<string[]> {
443 return fetch("/css/themelist").then(res => res.json());
446 export async function setTheme(theme: string, forceReload = false) {
450 if (theme === "browser" && !forceReload) {
453 // This is only run on a force reload
454 if (theme == "browser") {
458 let themeList = await fetchThemeList();
460 // Unload all the other themes
461 for (var i = 0; i < themeList.length; i++) {
462 let styleSheet = document.getElementById(themeList[i]);
464 styleSheet.setAttribute("disabled", "disabled");
469 .getElementById("default-light")
470 ?.setAttribute("disabled", "disabled");
471 document.getElementById("default-dark")?.setAttribute("disabled", "disabled");
473 // Load the theme dynamically
474 let cssLoc = `/css/themes/${theme}.css`;
476 loadCss(theme, cssLoc);
477 document.getElementById(theme).removeAttribute("disabled");
480 export function loadCss(id: string, loc: string) {
481 if (!document.getElementById(id)) {
482 var head = document.getElementsByTagName("head")[0];
483 var link = document.createElement("link");
485 link.rel = "stylesheet";
486 link.type = "text/css";
489 head.appendChild(link);
493 export function objectFlip(obj: any) {
495 Object.keys(obj).forEach(key => {
501 export function showAvatars(
502 myUserInfo: Option<MyUserInfo> = UserService.Instance.myUserInfo
505 .map(m => m.local_user_view.local_user.show_avatars)
509 export function showScores(
510 myUserInfo: Option<MyUserInfo> = UserService.Instance.myUserInfo
513 .map(m => m.local_user_view.local_user.show_scores)
517 export function isCakeDay(published: string): boolean {
518 // moment(undefined) or moment.utc(undefined) returns the current date/time
519 // moment(null) or moment.utc(null) returns null
520 const createDate = moment.utc(published).local();
521 const currentDate = moment(new Date());
524 createDate.date() === currentDate.date() &&
525 createDate.month() === currentDate.month() &&
526 createDate.year() !== currentDate.year()
530 export function toast(text: string, background = "success") {
532 let backgroundColor = `var(--${background})`;
535 backgroundColor: backgroundColor,
542 export function pictrsDeleteToast(
543 clickToDeleteText: string,
544 deletePictureText: string,
548 let backgroundColor = `var(--light)`;
549 let toast = Toastify({
550 text: clickToDeleteText,
551 backgroundColor: backgroundColor,
557 window.location.replace(deleteUrl);
558 alert(deletePictureText);
567 interface NotifyInfo {
569 icon: Option<string>;
574 export function messageToastify(info: NotifyInfo, router: any) {
576 let htmlBody = info.body ? md.render(info.body) : "";
577 let backgroundColor = `var(--light)`;
579 let toast = Toastify({
580 text: `${htmlBody}<br />${info.name}`,
582 backgroundColor: backgroundColor,
583 className: "text-dark",
592 router.history.push(info.link);
599 export function notifyPost(post_view: PostView, router: any) {
600 let info: NotifyInfo = {
601 name: post_view.community.name,
602 icon: post_view.community.icon,
603 link: `/post/${post_view.post.id}`,
604 body: post_view.post.name,
606 notify(info, router);
609 export function notifyComment(comment_view: CommentView, router: any) {
610 let info: NotifyInfo = {
611 name: comment_view.creator.name,
612 icon: comment_view.creator.avatar,
613 link: `/comment/${comment_view.comment.id}`,
614 body: comment_view.comment.content,
616 notify(info, router);
619 export function notifyPrivateMessage(pmv: PrivateMessageView, router: any) {
620 let info: NotifyInfo = {
621 name: pmv.creator.name,
622 icon: pmv.creator.avatar,
624 body: pmv.private_message.content,
626 notify(info, router);
629 function notify(info: NotifyInfo, router: any) {
630 messageToastify(info, router);
632 // TODO absolute nightmare bug, but notifs are currently broken.
633 // Notification.new will try to do a browser fetch ???
635 // if (Notification.permission !== "granted") Notification.requestPermission();
637 // var notification = new Notification(info.name, {
642 // notification.onclick = (ev: Event): any => {
643 // ev.preventDefault();
644 // router.history.push(info.link);
649 export function setupTribute() {
651 noMatchTemplate: function () {
658 menuItemTemplate: (item: any) => {
659 let shortName = `:${item.original.key}:`;
660 return `${item.original.val} ${shortName}`;
662 selectTemplate: (item: any) => {
663 return `${item.original.val}`;
665 values: Object.entries(emojiShortName).map(e => {
666 return { key: e[1], val: e[0] };
669 autocompleteMode: true,
671 // menuItemLimit: mentionDropdownFetchLimit,
672 menuShowMinLength: 2,
677 selectTemplate: (item: any) => {
678 let it: PersonTribute = item.original;
679 return `[${it.key}](${it.view.person.actor_id})`;
681 values: debounce(async (text: string, cb: any) => {
682 cb(await personSearch(text));
685 autocompleteMode: true,
687 // menuItemLimit: mentionDropdownFetchLimit,
688 menuShowMinLength: 2,
694 selectTemplate: (item: any) => {
695 let it: CommunityTribute = item.original;
696 return `[${it.key}](${it.view.community.actor_id})`;
698 values: debounce(async (text: string, cb: any) => {
699 cb(await communitySearch(text));
702 autocompleteMode: true,
704 // menuItemLimit: mentionDropdownFetchLimit,
705 menuShowMinLength: 2,
711 var tippyInstance: any;
713 tippyInstance = tippy("[data-tippy-content]");
716 export function setupTippy() {
718 tippyInstance.forEach((e: any) => e.destroy());
719 tippyInstance = tippy("[data-tippy-content]", {
721 // Display on "long press"
722 touch: ["hold", 500],
727 interface PersonTribute {
729 view: PersonViewSafe;
732 async function personSearch(text: string): Promise<PersonTribute[]> {
733 let users = (await fetchUsers(text)).users;
734 let persons: PersonTribute[] = users.map(pv => {
735 let tribute: PersonTribute = {
736 key: `@${pv.person.name}@${hostname(pv.person.actor_id)}`,
744 interface CommunityTribute {
749 async function communitySearch(text: string): Promise<CommunityTribute[]> {
750 let comms = (await fetchCommunities(text)).communities;
751 let communities: CommunityTribute[] = comms.map(cv => {
752 let tribute: CommunityTribute = {
753 key: `!${cv.community.name}@${hostname(cv.community.actor_id)}`,
761 export function getListingTypeFromProps(
763 defaultListingType: ListingType,
764 myUserInfo = UserService.Instance.myUserInfo
766 return props.match.params.listing_type
767 ? routeListingTypeToEnum(props.match.params.listing_type)
770 Object.values(ListingType)[
771 me.local_user_view.local_user.default_listing_type
773 none: defaultListingType,
777 export function getListingTypeFromPropsNoDefault(props: any): ListingType {
778 return props.match.params.listing_type
779 ? routeListingTypeToEnum(props.match.params.listing_type)
783 // TODO might need to add a user setting for this too
784 export function getDataTypeFromProps(props: any): DataType {
785 return props.match.params.data_type
786 ? routeDataTypeToEnum(props.match.params.data_type)
790 export function getSortTypeFromProps(
792 myUserInfo = UserService.Instance.myUserInfo
794 return props.match.params.sort
795 ? routeSortTypeToEnum(props.match.params.sort)
798 Object.values(SortType)[
799 mui.local_user_view.local_user.default_sort_type
801 none: SortType.Active,
805 export function getPageFromProps(props: any): number {
806 return props.match.params.page ? Number(props.match.params.page) : 1;
809 export function getRecipientIdFromProps(props: any): number {
810 return props.match.params.recipient_id
811 ? Number(props.match.params.recipient_id)
815 export function getIdFromProps(props: any): Option<number> {
816 let id: string = props.match.params.post_id;
817 return id ? Some(Number(id)) : None;
820 export function getCommentIdFromProps(props: any): Option<number> {
821 let id: string = props.match.params.comment_id;
822 return id ? Some(Number(id)) : None;
825 export function getUsernameFromProps(props: any): string {
826 return props.match.params.username;
829 export function editCommentRes(data: CommentView, comments: CommentView[]) {
830 let found = comments.find(c => c.comment.id == data.comment.id);
832 found.comment.content = data.comment.content;
833 found.comment.updated = data.comment.updated;
834 found.comment.removed = data.comment.removed;
835 found.comment.deleted = data.comment.deleted;
836 found.counts.upvotes = data.counts.upvotes;
837 found.counts.downvotes = data.counts.downvotes;
838 found.counts.score = data.counts.score;
842 export function saveCommentRes(data: CommentView, comments: CommentView[]) {
843 let found = comments.find(c => c.comment.id == data.comment.id);
845 found.saved = data.saved;
849 // TODO Should only use the return now, no state?
850 export function updatePersonBlock(
851 data: BlockPersonResponse,
852 myUserInfo = UserService.Instance.myUserInfo
853 ): Option<PersonBlockView[]> {
854 return myUserInfo.match({
855 some: (mui: MyUserInfo) => {
857 mui.person_blocks.push({
858 person: mui.local_user_view.person,
859 target: data.person_view.person,
861 toast(`${i18n.t("blocked")} ${data.person_view.person.name}`);
863 mui.person_blocks = mui.person_blocks.filter(
864 i => i.target.id != data.person_view.person.id
866 toast(`${i18n.t("unblocked")} ${data.person_view.person.name}`);
868 return Some(mui.person_blocks);
874 export function updateCommunityBlock(
875 data: BlockCommunityResponse,
876 myUserInfo = UserService.Instance.myUserInfo
877 ): Option<CommunityBlockView[]> {
878 return myUserInfo.match({
879 some: (mui: MyUserInfo) => {
881 mui.community_blocks.push({
882 person: mui.local_user_view.person,
883 community: data.community_view.community,
885 toast(`${i18n.t("blocked")} ${data.community_view.community.name}`);
887 mui.community_blocks = mui.community_blocks.filter(
888 i => i.community.id != data.community_view.community.id
890 toast(`${i18n.t("unblocked")} ${data.community_view.community.name}`);
892 return Some(mui.community_blocks);
898 export function createCommentLikeRes(
900 comments: CommentView[]
902 let found = comments.find(c => c.comment.id === data.comment.id);
904 found.counts.score = data.counts.score;
905 found.counts.upvotes = data.counts.upvotes;
906 found.counts.downvotes = data.counts.downvotes;
907 if (data.my_vote !== null) {
908 found.my_vote = data.my_vote;
913 export function createPostLikeFindRes(data: PostView, posts: PostView[]) {
914 let found = posts.find(p => p.post.id == data.post.id);
916 createPostLikeRes(data, found);
920 export function createPostLikeRes(data: PostView, post_view: PostView) {
922 post_view.counts.score = data.counts.score;
923 post_view.counts.upvotes = data.counts.upvotes;
924 post_view.counts.downvotes = data.counts.downvotes;
925 if (data.my_vote !== null) {
926 post_view.my_vote = data.my_vote;
931 export function editPostFindRes(data: PostView, posts: PostView[]) {
932 let found = posts.find(p => p.post.id == data.post.id);
934 editPostRes(data, found);
938 export function editPostRes(data: PostView, post: PostView) {
940 post.post.url = data.post.url;
941 post.post.name = data.post.name;
942 post.post.nsfw = data.post.nsfw;
943 post.post.deleted = data.post.deleted;
944 post.post.removed = data.post.removed;
945 post.post.stickied = data.post.stickied;
946 post.post.body = data.post.body;
947 post.post.locked = data.post.locked;
948 post.saved = data.saved;
952 export function updatePostReportRes(
953 data: PostReportView,
954 reports: PostReportView[]
956 let found = reports.find(p => p.post_report.id == data.post_report.id);
958 found.post_report = data.post_report;
962 export function updateCommentReportRes(
963 data: CommentReportView,
964 reports: CommentReportView[]
966 let found = reports.find(c => c.comment_report.id == data.comment_report.id);
968 found.comment_report = data.comment_report;
972 export function updateRegistrationApplicationRes(
973 data: RegistrationApplicationView,
974 applications: RegistrationApplicationView[]
976 let found = applications.find(
977 ra => ra.registration_application.id == data.registration_application.id
980 found.registration_application = data.registration_application;
981 found.admin = data.admin;
982 found.creator_local_user = data.creator_local_user;
986 export function commentsToFlatNodes(comments: CommentView[]): CommentNodeI[] {
987 let nodes: CommentNodeI[] = [];
988 for (let comment of comments) {
989 nodes.push({ comment_view: comment, children: [], depth: 0 });
994 export function convertCommentSortType(sort: SortType): CommentSortType {
996 sort == SortType.TopAll ||
997 sort == SortType.TopDay ||
998 sort == SortType.TopWeek ||
999 sort == SortType.TopMonth ||
1000 sort == SortType.TopYear
1002 return CommentSortType.Top;
1003 } else if (sort == SortType.New) {
1004 return CommentSortType.New;
1005 } else if (sort == SortType.Hot || sort == SortType.Active) {
1006 return CommentSortType.Hot;
1008 return CommentSortType.Hot;
1012 export function buildCommentsTree(
1013 comments: CommentView[],
1014 parentComment: boolean
1016 let map = new Map<number, CommentNodeI>();
1017 let depthOffset = !parentComment
1019 : getDepthFromComment(comments[0].comment);
1021 for (let comment_view of comments) {
1022 let node: CommentNodeI = {
1023 comment_view: comment_view,
1025 depth: getDepthFromComment(comment_view.comment) - depthOffset,
1027 map.set(comment_view.comment.id, { ...node });
1030 let tree: CommentNodeI[] = [];
1032 // if its a parent comment fetch, then push the first comment to the top node.
1033 if (parentComment) {
1034 tree.push(map.get(comments[0].comment.id));
1037 for (let comment_view of comments) {
1038 let child = map.get(comment_view.comment.id);
1039 let parent_id = getCommentParentId(comment_view.comment);
1042 let parent = map.get(parentId);
1043 // Necessary because blocked comment might not exist
1045 parent.children.push(child);
1049 if (!parentComment) {
1059 export function getCommentParentId(comment: CommentI): Option<number> {
1060 let split = comment.path.split(".");
1064 if (split.length > 1) {
1065 return Some(Number(split[split.length - 2]));
1071 export function getDepthFromComment(comment: CommentI): number {
1072 return comment.path.split(".").length - 2;
1075 export function insertCommentIntoTree(
1076 tree: CommentNodeI[],
1078 parentComment: boolean
1080 // Building a fake node to be used for later
1081 let node: CommentNodeI = {
1087 getCommentParentId(cv.comment).match({
1089 let parentComment = searchCommentTree(tree, parentId);
1090 parentComment.match({
1092 node.depth = pComment.depth + 1;
1093 pComment.children.unshift(node);
1099 if (!parentComment) {
1106 export function searchCommentTree(
1107 tree: CommentNodeI[],
1109 ): Option<CommentNodeI> {
1110 for (let node of tree) {
1111 if (node.comment_view.comment.id === id) {
1115 for (const child of node.children) {
1116 let res = searchCommentTree([child], id);
1126 export const colorList: string[] = [
1136 function hsl(num: number) {
1137 return `hsla(${num}, 35%, 50%, 1)`;
1140 export function hostname(url: string): string {
1141 let cUrl = new URL(url);
1142 return cUrl.port ? `${cUrl.hostname}:${cUrl.port}` : `${cUrl.hostname}`;
1145 export function validTitle(title?: string): boolean {
1146 // Initial title is null, minimum length is taken care of by textarea's minLength={3}
1147 if (!title || title.length < 3) return true;
1149 const regex = new RegExp(/.*\S.*/, "g");
1151 return regex.test(title);
1154 export function siteBannerCss(banner: string): string {
1156 background-image: linear-gradient( rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8) ) ,url("${banner}"); \
1157 background-attachment: fixed; \
1158 background-position: top; \
1159 background-repeat: no-repeat; \
1160 background-size: 100% cover; \
1163 max-height: 100vh; \
1167 export function isBrowser() {
1168 return typeof window !== "undefined";
1171 export function setIsoData<Type1, Type2, Type3, Type4, Type5>(
1173 cls1?: ClassConstructor<Type1>,
1174 cls2?: ClassConstructor<Type2>,
1175 cls3?: ClassConstructor<Type3>,
1176 cls4?: ClassConstructor<Type4>,
1177 cls5?: ClassConstructor<Type5>
1179 // If its the browser, you need to deserialize the data from the window
1181 let json = window.isoData;
1182 let routeData = json.routeData;
1183 let routeDataOut: any[] = [];
1185 // Can't do array looping because of specific type constructor required
1187 routeDataOut[0] = convertWindowJson(cls1, routeData[0]);
1190 routeDataOut[1] = convertWindowJson(cls2, routeData[1]);
1193 routeDataOut[2] = convertWindowJson(cls3, routeData[2]);
1196 routeDataOut[3] = convertWindowJson(cls4, routeData[3]);
1199 routeDataOut[4] = convertWindowJson(cls5, routeData[4]);
1201 let site_res = convertWindowJson(GetSiteResponse, json.site_res);
1203 let isoData: IsoData = {
1206 routeData: routeDataOut,
1209 } else return context.router.staticContext;
1213 * Necessary since window ISOData can't store function types like Option
1215 export function convertWindowJson<T>(cls: ClassConstructor<T>, data: any): T {
1216 return deserialize(cls, serialize(data));
1219 export function wsSubscribe(parseMessage: any): Subscription {
1221 return WebSocketService.Instance.subject
1222 .pipe(retryWhen(errors => errors.pipe(delay(3000), take(10))))
1224 msg => parseMessage(msg),
1225 err => console.error(err),
1226 () => console.log("complete")
1233 moment.updateLocale("en", {
1254 export function saveScrollPosition(context: any) {
1255 let path: string = context.router.route.location.pathname;
1256 let y = window.scrollY;
1257 sessionStorage.setItem(`scrollPosition_${path}`, y.toString());
1260 export function restoreScrollPosition(context: any) {
1261 let path: string = context.router.route.location.pathname;
1262 let y = Number(sessionStorage.getItem(`scrollPosition_${path}`));
1263 window.scrollTo(0, y);
1266 export function showLocal(isoData: IsoData): boolean {
1267 return isoData.site_res.federated_instances
1268 .map(f => f.linked.length > 0)
1272 interface ChoicesValue {
1277 export function communityToChoice(cv: CommunityView): ChoicesValue {
1278 let choice: ChoicesValue = {
1279 value: cv.community.id.toString(),
1280 label: communitySelectName(cv),
1285 export function personToChoice(pvs: PersonViewSafe): ChoicesValue {
1286 let choice: ChoicesValue = {
1287 value: pvs.person.id.toString(),
1288 label: personSelectName(pvs),
1293 export async function fetchCommunities(q: string) {
1294 let form = new Search({
1296 type_: Some(SearchType.Communities),
1297 sort: Some(SortType.TopAll),
1298 listing_type: Some(ListingType.All),
1300 limit: Some(fetchLimit),
1302 community_name: None,
1304 auth: auth(false).ok(),
1306 let client = new LemmyHttp(httpBase);
1307 return client.search(form);
1310 export async function fetchUsers(q: string) {
1311 let form = new Search({
1313 type_: Some(SearchType.Users),
1314 sort: Some(SortType.TopAll),
1315 listing_type: Some(ListingType.All),
1317 limit: Some(fetchLimit),
1319 community_name: None,
1321 auth: auth(false).ok(),
1323 let client = new LemmyHttp(httpBase);
1324 return client.search(form);
1327 export const choicesConfig = {
1329 searchResultLimit: fetchLimit,
1331 containerOuter: "choices",
1332 containerInner: "choices__inner bg-secondary border-0",
1333 input: "form-control",
1334 inputCloned: "choices__input--cloned",
1335 list: "choices__list",
1336 listItems: "choices__list--multiple",
1337 listSingle: "choices__list--single",
1338 listDropdown: "choices__list--dropdown",
1339 item: "choices__item bg-secondary",
1340 itemSelectable: "choices__item--selectable",
1341 itemDisabled: "choices__item--disabled",
1342 itemChoice: "choices__item--choice",
1343 placeholder: "choices__placeholder",
1344 group: "choices__group",
1345 groupHeading: "choices__heading",
1346 button: "choices__button",
1347 activeState: "is-active",
1348 focusState: "is-focused",
1349 openState: "is-open",
1350 disabledState: "is-disabled",
1351 highlightedState: "text-info",
1352 selectedState: "text-info",
1353 flippedState: "is-flipped",
1354 loadingState: "is-loading",
1355 noResults: "has-no-results",
1356 noChoices: "has-no-choices",
1360 export function communitySelectName(cv: CommunityView): string {
1361 return cv.community.local
1362 ? cv.community.title
1363 : `${hostname(cv.community.actor_id)}/${cv.community.title}`;
1366 export function personSelectName(pvs: PersonViewSafe): string {
1367 let pName = pvs.person.display_name.unwrapOr(pvs.person.name);
1368 return pvs.person.local ? pName : `${hostname(pvs.person.actor_id)}/${pName}`;
1371 export function initializeSite(site: GetSiteResponse) {
1372 UserService.Instance.myUserInfo = site.my_user;
1373 i18n.changeLanguage(getLanguages()[0]);
1376 const SHORTNUM_SI_FORMAT = new Intl.NumberFormat("en-US", {
1377 maximumSignificantDigits: 3,
1379 notation: "compact",
1380 compactDisplay: "short",
1383 export function numToSI(value: number): string {
1384 return SHORTNUM_SI_FORMAT.format(value);
1387 export function isBanned(ps: PersonSafe): boolean {
1388 let expires = ps.ban_expires;
1389 // Add Z to convert from UTC date
1390 // TODO this check probably isn't necessary anymore
1391 if (expires.isSome()) {
1392 if (ps.banned && new Date(expires.unwrap() + "Z") > new Date()) {
1402 export function pushNotNull(array: any[], new_item?: any) {
1404 array.push(...new_item);
1408 export function auth(throwErr = true): Result<string, string> {
1409 return UserService.Instance.auth(throwErr);
1412 export function enableDownvotes(siteRes: GetSiteResponse): boolean {
1413 return siteRes.site_view.map(s => s.site.enable_downvotes).unwrapOr(true);
1416 export function enableNsfw(siteRes: GetSiteResponse): boolean {
1417 return siteRes.site_view.map(s => s.site.enable_nsfw).unwrapOr(false);
1420 export function postToCommentSortType(sort: SortType): CommentSortType {
1421 if ([SortType.Active, SortType.Hot].includes(sort)) {
1422 return CommentSortType.Hot;
1423 } else if ([SortType.New, SortType.NewComments].includes(sort)) {
1424 return CommentSortType.New;
1425 } else if (sort == SortType.Old) {
1426 return CommentSortType.Old;
1428 return CommentSortType.Top;