1 import { UserOperation, Comment, User, SortType, ListingType } from './interfaces';
2 import * as markdown_it from 'markdown-it';
3 import * as markdown_it_container from 'markdown-it-container';
5 export let repoUrl = 'https://github.com/dessalines/lemmy';
7 export function msgOp(msg: any): UserOperation {
8 let opStr: string = msg.op;
9 return UserOperation[opStr];
12 var md = new markdown_it({
16 }).use(markdown_it_container, 'spoiler', {
17 validate: function(params: any) {
18 return params.trim().match(/^spoiler\s+(.*)$/);
21 render: function (tokens: any, idx: any) {
22 var m = tokens[idx].info.trim().match(/^spoiler\s+(.*)$/);
24 if (tokens[idx].nesting === 1) {
26 return '<details><summary>' + md.utils.escapeHtml(m[1]) + '</summary>\n';
30 return '</details>\n';
35 export function hotRank(comment: Comment): number {
36 // Rank = ScaleFactor * sign(Score) * log(1 + abs(Score)) / (Time + 2)^Gravity
38 let date: Date = new Date(comment.published + 'Z'); // Add Z to convert from UTC date
39 let now: Date = new Date();
40 let hoursElapsed: number = (now.getTime() - date.getTime()) / 36e5;
42 let rank = (10000 * Math.log10(Math.max(1, 3 + comment.score))) / Math.pow(hoursElapsed + 2, 1.8);
44 // console.log(`Comment: ${comment.content}\nRank: ${rank}\nScore: ${comment.score}\nHours: ${hoursElapsed}`);
49 export function mdToHtml(text: string) {
50 return {__html: md.render(text)};
53 export function getUnixTime(text: string): number {
54 return text ? new Date(text).getTime()/1000 : undefined;
57 export function addTypeInfo<T>(arr: Array<T>, name: string): Array<{type_: string, data: T}> {
58 return arr.map(e => {return {type_: name, data: e}});
61 export function canMod(user: User, modIds: Array<number>, creator_id: number): boolean {
62 // You can do moderator actions only on the mods added after you.
64 let yourIndex = modIds.findIndex(id => id == user.id);
65 if (yourIndex == -1) {
68 modIds = modIds.slice(0, yourIndex+1); // +1 cause you cant mod yourself
69 return !modIds.includes(creator_id);
76 export function isMod(modIds: Array<number>, creator_id: number): boolean {
77 return modIds.includes(creator_id);
81 var imageRegex = new RegExp(`(http)?s?:?(\/\/[^"']*\.(?:png|jpg|jpeg|gif|png|svg))`);
83 export function isImage(url: string) {
84 return imageRegex.test(url);
87 export let fetchLimit: number = 20;
89 export function capitalizeFirstLetter(str: string): string {
90 return str.charAt(0).toUpperCase() + str.slice(1);
94 export function routeSortTypeToEnum(sort: string): SortType {
97 } else if (sort == 'hot') {
99 } else if (sort == 'topday') {
100 return SortType.TopDay;
101 } else if (sort == 'topweek') {
102 return SortType.TopWeek;
103 } else if (sort == 'topmonth') {
104 return SortType.TopMonth;
105 } else if (sort == 'topall') {
106 return SortType.TopAll;
110 export function routeListingTypeToEnum(type: string): ListingType {
111 return ListingType[capitalizeFirstLetter(type)];