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