watch-party/frontend/lib/links.mjs
2022-03-30 16:28:10 +02:00

121 lines
3.7 KiB
JavaScript

import { joinSession } from "./watch-session.mjs?v=ee93fb";
import { state } from "./state.mjs";
export async function linkify(
text,
next = async (t) => [document.createTextNode(t)]
) {
let last = 0;
let nodes = [];
let promise = Promise.resolve();
// matching non-urls isn't a problem, we use the browser's url parser to filter them out
text.replace(
/[^:/?#\s]+:\/\/\S+/g,
(match, index) =>
(promise = promise.then(async () => {
if (last <= index) nodes.push(...(await next(text.slice(last, index))));
let url;
try {
url = new URL(match);
if (url.protocol === "javascript:") throw new Error();
} catch (e) {
url = null;
}
if (!url) {
nodes.push(...(await next(match)));
} else {
let s;
if (
url.origin == location.origin &&
url.pathname == "/" &&
url.hash.length > 1
) {
nodes.push(
Object.assign(document.createElement("a"), {
textContent: "Join Session",
className: "chip join-chip",
onclick: () => {
state().sessionId = url.hash.substring(1);
joinSession();
},
})
);
} else if (
url.hostname == "xiv.st" &&
(s = url.pathname.match(/(\d?\d).?(\d\d)/))
) {
if (s) {
const date = new Date();
date.setUTCSeconds(0);
date.setUTCMilliseconds(0);
date.setUTCHours(s[1]), date.setUTCMinutes(s[2]);
nodes.push(
Object.assign(document.createElement("a"), {
href: url.href,
textContent: date.toLocaleString([], {
hour: "2-digit",
minute: "2-digit",
}),
className: "chip time-chip",
target: "_blank",
})
);
}
} else {
nodes.push(
Object.assign(document.createElement("a"), {
href: url.href,
textContent: url.href,
target: "_blank",
})
);
}
}
last = index + match.length;
}))
);
await promise;
if (last < text.length) nodes.push(...(await next(text.slice(last))));
return nodes;
}
const emojis = {};
export const emojisLoaded = Promise.all([
fetch("/emojis")
.then((e) => e.json())
.then((a) => {
for (let e of a) {
const name = e.slice(0, -4),
lower = name.toLowerCase();
emojis[lower[0]] = emojis[lower[0]] || [];
emojis[lower[0]].push([name, ":" + name + ":", e.slice(-4), lower]);
}
}),
fetch("/emojis/unicode.json")
.then((e) => e.json())
.then((a) => {
for (let e of a) {
emojis[e[0][0]] = emojis[e[0][0]] || [];
emojis[e[0][0]].push([e[0], e[1], null, e[0]]);
}
}),
]);
export async function findEmojis(search) {
await emojisLoaded;
let groups = [[], []];
if (search.length < 1) {
for (let letter of Object.keys(emojis).sort())
for (let emoji of emojis[letter]) {
(emoji[1][0] === ":" ? groups[0] : groups[1]).push(emoji);
}
} else {
search = search.toLowerCase();
for (let emoji of emojis[search[0]]) {
if (search.length == 1 || emoji[3].startsWith(search)) {
(emoji[1][0] === ":" ? groups[0] : groups[1]).push(emoji);
}
}
}
return [...groups[0], ...groups[1]];
}