1 import { UserOperation, Comment, User, SortType, ListingType } from './interfaces';
2 import * as markdown_it from 'markdown-it';
3 declare var markdownitEmoji: any;
4 import * as markdown_it_container from 'markdown-it-container';
6 export let repoUrl = 'https://github.com/dessalines/lemmy';
8 export function msgOp(msg: any): UserOperation {
9 let opStr: string = msg.op;
10 return UserOperation[opStr];
13 var md = new markdown_it({
17 }).use(markdown_it_container, 'spoiler', {
18 validate: function(params: any) {
19 return params.trim().match(/^spoiler\s+(.*)$/);
22 render: function (tokens: any, idx: any) {
23 var m = tokens[idx].info.trim().match(/^spoiler\s+(.*)$/);
25 if (tokens[idx].nesting === 1) {
27 return '<details><summary>' + md.utils.escapeHtml(m[1]) + '</summary>\n';
31 return '</details>\n';
34 }).use(markdownitEmoji);
36 export function hotRank(comment: Comment): number {
37 // Rank = ScaleFactor * sign(Score) * log(1 + abs(Score)) / (Time + 2)^Gravity
39 let date: Date = new Date(comment.published + 'Z'); // Add Z to convert from UTC date
40 let now: Date = new Date();
41 let hoursElapsed: number = (now.getTime() - date.getTime()) / 36e5;
43 let rank = (10000 * Math.log10(Math.max(1, 3 + comment.score))) / Math.pow(hoursElapsed + 2, 1.8);
45 // console.log(`Comment: ${comment.content}\nRank: ${rank}\nScore: ${comment.score}\nHours: ${hoursElapsed}`);
50 export function mdToHtml(text: string) {
51 return {__html: md.render(text)};
54 export function getUnixTime(text: string): number {
55 return text ? new Date(text).getTime()/1000 : undefined;
58 export function addTypeInfo<T>(arr: Array<T>, name: string): Array<{type_: string, data: T}> {
59 return arr.map(e => {return {type_: name, data: e}});
62 export function canMod(user: User, modIds: Array<number>, creator_id: number): boolean {
63 // You can do moderator actions only on the mods added after you.
65 let yourIndex = modIds.findIndex(id => id == user.id);
66 if (yourIndex == -1) {
69 modIds = modIds.slice(0, yourIndex+1); // +1 cause you cant mod yourself
70 return !modIds.includes(creator_id);
77 export function isMod(modIds: Array<number>, creator_id: number): boolean {
78 return modIds.includes(creator_id);
82 var imageRegex = new RegExp(`(http)?s?:?(\/\/[^"']*\.(?:png|jpg|jpeg|gif|png|svg))`);
84 export function isImage(url: string) {
85 return imageRegex.test(url);
88 export let fetchLimit: number = 20;
90 export function capitalizeFirstLetter(str: string): string {
91 return str.charAt(0).toUpperCase() + str.slice(1);
95 export function routeSortTypeToEnum(sort: string): SortType {
98 } else if (sort == 'hot') {
100 } else if (sort == 'topday') {
101 return SortType.TopDay;
102 } else if (sort == 'topweek') {
103 return SortType.TopWeek;
104 } else if (sort == 'topmonth') {
105 return SortType.TopMonth;
106 } else if (sort == 'topall') {
107 return SortType.TopAll;
111 export function routeListingTypeToEnum(type: string): ListingType {
112 return ListingType[capitalizeFirstLetter(type)];
115 export async function getPageTitle(url: string) {
116 let res = await fetch(`https://textance.herokuapp.com/title/${url}`);
117 let data = await res.text();