forked from nutomic/lemmy
119 lines
3.3 KiB
TypeScript
119 lines
3.3 KiB
TypeScript
import { UserOperation, Comment, User, SortType, ListingType } from './interfaces';
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import * as markdown_it from 'markdown-it';
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import * as markdown_it_container from 'markdown-it-container';
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export let repoUrl = 'https://github.com/dessalines/lemmy';
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export function msgOp(msg: any): UserOperation {
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let opStr: string = msg.op;
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return UserOperation[opStr];
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}
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var md = new markdown_it({
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html: true,
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linkify: true,
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typographer: true
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}).use(markdown_it_container, 'spoiler', {
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validate: function(params: any) {
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return params.trim().match(/^spoiler\s+(.*)$/);
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},
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render: function (tokens: any, idx: any) {
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var m = tokens[idx].info.trim().match(/^spoiler\s+(.*)$/);
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if (tokens[idx].nesting === 1) {
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// opening tag
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return '<details><summary>' + md.utils.escapeHtml(m[1]) + '</summary>\n';
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} else {
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// closing tag
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return '</details>\n';
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}
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}
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});
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export function hotRank(comment: Comment): number {
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// Rank = ScaleFactor * sign(Score) * log(1 + abs(Score)) / (Time + 2)^Gravity
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let date: Date = new Date(comment.published + 'Z'); // Add Z to convert from UTC date
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let now: Date = new Date();
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let hoursElapsed: number = (now.getTime() - date.getTime()) / 36e5;
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let rank = (10000 * Math.log10(Math.max(1, 3 + comment.score))) / Math.pow(hoursElapsed + 2, 1.8);
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// console.log(`Comment: ${comment.content}\nRank: ${rank}\nScore: ${comment.score}\nHours: ${hoursElapsed}`);
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return rank;
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}
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export function mdToHtml(text: string) {
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return {__html: md.render(text)};
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}
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export function getUnixTime(text: string): number {
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return text ? new Date(text).getTime()/1000 : undefined;
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}
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export function addTypeInfo<T>(arr: Array<T>, name: string): Array<{type_: string, data: T}> {
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return arr.map(e => {return {type_: name, data: e}});
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}
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export function canMod(user: User, modIds: Array<number>, creator_id: number): boolean {
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// You can do moderator actions only on the mods added after you.
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if (user) {
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let yourIndex = modIds.findIndex(id => id == user.id);
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if (yourIndex == -1) {
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return false;
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} else {
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modIds = modIds.slice(0, yourIndex+1); // +1 cause you cant mod yourself
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return !modIds.includes(creator_id);
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}
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} else {
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return false;
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}
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}
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export function isMod(modIds: Array<number>, creator_id: number): boolean {
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return modIds.includes(creator_id);
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}
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var imageRegex = new RegExp(`(http)?s?:?(\/\/[^"']*\.(?:png|jpg|jpeg|gif|png|svg))`);
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export function isImage(url: string) {
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return imageRegex.test(url);
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}
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export let fetchLimit: number = 20;
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export function capitalizeFirstLetter(str: string): string {
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return str.charAt(0).toUpperCase() + str.slice(1);
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}
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export function routeSortTypeToEnum(sort: string): SortType {
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if (sort == 'new') {
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return SortType.New;
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} else if (sort == 'hot') {
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return SortType.Hot;
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} else if (sort == 'topday') {
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return SortType.TopDay;
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} else if (sort == 'topweek') {
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return SortType.TopWeek;
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} else if (sort == 'topmonth') {
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return SortType.TopMonth;
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} else if (sort == 'topall') {
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return SortType.TopAll;
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}
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}
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export function routeListingTypeToEnum(type: string): ListingType {
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return ListingType[capitalizeFirstLetter(type)];
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}
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export async function getPageTitle(url: string) {
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let res = await fetch(`https://textance.herokuapp.com/title/${url}`);
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let data = await res.text();
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return data;
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}
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