restructure for sveltekit

src/lib/emoji.js

@@ -0,0 +1,52 @@
+import { Client } from './client/client.js';
+import { get } from 'svelte/store';
+
+export const EMOJI_REGEX = /:[\w\-.]{0,32}@[\w\-.]{0,32}:/g;
+export const EMOJI_NAME_REGEX = /:[\w\-.]{0,32}:/g;
+
+export default class Emoji {
+    name;
+    url;
+
+    constructor(id, name, host, url) {
+        this.id = id;
+        this.name = name;
+        this.host = host;
+        this.url = url;
+    }
+
+    get html() {
+        if (this.url)
+            return `<img src="${this.url}" class="emoji" height="20" title="${this.name}" alt="${this.name}">`;
+        else
+            return `${this.name}`;
+    }
+}
+
+export function parseText(text, host) {
+    if (!text) return text;
+    
+    let index = text.search(EMOJI_NAME_REGEX);
+    if (index === -1) return text;
+
+    // find the emoji name
+    let length = text.substring(index + 1).search(':');
+    if (length <= 0) return text;
+    let emoji_name = text.substring(index + 1, index + length + 1);
+    let emoji = get(Client.get()).getEmoji(emoji_name + '@' + host);
+
+    if (emoji) {
+        return text.substring(0, index) + emoji.html +
+            parseText(text.substring(index + length + 2), host);
+    }
+    return text.substring(0, index + length + 1) +
+        parseText(text.substring(index + length + 1), host);
+}
+
+export function parseOne(emoji_id) {
+    if (emoji_id == '❤') return '❤️'; // stupid heart unicode
+    if (EMOJI_REGEX.exec(':' + emoji_id + ':')) return emoji_id;
+    let cached_emoji = get(Client.get()).getEmoji(emoji_id);
+    if (!cached_emoji) return emoji_id;
+    return cached_emoji.html;
+}