faster emoji search (kinda)
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d8d22ed99e
commit
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2 changed files with 89 additions and 51 deletions
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@ -3,7 +3,7 @@ import {
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setVideoTime,
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setPlaying,
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} from "./watch-session.mjs?v=19ef791";
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import { emojify, emojis } from "./emojis.mjs?v=19ef791";
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import { emojify, findEmojis } from "./emojis.mjs?v=19ef791";
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function setCaretPosition(elem, caretPos) {
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if (elem.createTextRange) {
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@ -26,14 +26,16 @@ const setupChatboxEvents = (socket) => {
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const emojiAutocomplete = chatForm.querySelector("#emoji-autocomplete");
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oldChatForm.replaceWith(chatForm);
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let autocompleting = false;
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let autocompleting = false,
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showListTimer;
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const replaceMessage = (message) => () => {
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messageInput.value = message;
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autocomplete();
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};
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async function autocomplete() {
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async function autocomplete(fromListTimeout) {
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if (autocompleting) return;
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clearInterval(showListTimer);
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emojiAutocomplete.textContent = "";
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autocompleting = true;
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let text = messageInput.value.slice(0, messageInput.selectionStart);
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@ -41,56 +43,59 @@ const setupChatboxEvents = (socket) => {
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if (!match || match[1]) return (autocompleting = false); // We don't need to autocomplete.
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const prefix = text.slice(0, match.index);
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const search = text.slice(match.index + 1);
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if (search.length < 1 && !fromListTimeout) {
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autocompleting = false;
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showListTimer = setTimeout(() => autocomplete(true), 1000);
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return;
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}
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const suffix = messageInput.value.slice(messageInput.selectionStart);
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let selected;
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const select = (button) => {
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const selected = document.querySelector(".emoji-option.selected");
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if (selected) selected.classList.remove("selected");
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selected = button;
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button.classList.add("selected");
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};
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emojiAutocomplete.append(
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...(await emojis)
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.filter(([name]) => name.toLowerCase().startsWith(search.toLowerCase()))
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.map(([name, replaceWith, ext], i) => {
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const button = Object.assign(document.createElement("button"), {
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className: "emoji-option" + (i === 0 ? " selected" : ""),
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onmousedown: (e) => e.preventDefault(),
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onclick: () => {
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messageInput.value = prefix + replaceWith + " " + suffix;
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setCaretPosition(
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messageInput,
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(prefix + " " + replaceWith).length
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);
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},
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onmouseover: () => select(button),
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onfocus: () => select(button),
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type: "button",
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title: name,
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});
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button.append(
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replaceWith[0] !== ":"
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? Object.assign(document.createElement("span"), {
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textContent: replaceWith,
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className: "emoji",
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})
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: Object.assign(new Image(), {
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loading: "lazy",
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src: `/emojis/${name}${ext}`,
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className: "emoji",
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}),
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Object.assign(document.createElement("span"), {
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textContent: name,
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className: "emoji-name",
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})
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);
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return button;
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})
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...(await findEmojis(search)).map(([name, replaceWith, ext], i) => {
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const button = Object.assign(document.createElement("button"), {
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className: "emoji-option",
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onmousedown: (e) => e.preventDefault(),
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onclick: () => {
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messageInput.value = prefix + replaceWith + " " + suffix;
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setCaretPosition(messageInput, (prefix + " " + replaceWith).length);
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},
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onmouseover: () => select(button),
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onfocus: () => select(button),
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type: "button",
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title: name,
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});
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button.append(
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replaceWith[0] !== ":"
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? Object.assign(document.createElement("span"), {
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textContent: replaceWith,
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className: "emoji",
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})
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: Object.assign(new Image(), {
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loading: "lazy",
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src: `/emojis/${name}${ext}`,
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className: "emoji",
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}),
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Object.assign(document.createElement("span"), {
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textContent: name,
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className: "emoji-name",
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})
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);
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return button;
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})
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);
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if (emojiAutocomplete.children[0])
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if (emojiAutocomplete.children[0]) {
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emojiAutocomplete.children[0].scrollIntoView();
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select(emojiAutocomplete.children[0]);
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}
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autocompleting = false;
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}
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messageInput.addEventListener("input", autocomplete);
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messageInput.addEventListener("selectionchange", autocomplete);
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messageInput.addEventListener("input", () => autocomplete());
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messageInput.addEventListener("selectionchange", () => autocomplete());
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messageInput.addEventListener("keydown", (event) => {
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if (event.key == "ArrowUp" || event.key == "ArrowDown") {
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let selected = document.querySelector(".emoji-option.selected");
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@ -1,11 +1,11 @@
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export async function emojify(text) {
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const emojiList = await emojis;
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await emojisLoaded;
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let last = 0;
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let nodes = [];
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text.replace(/:([^\s:]+):/g, (match, name, index) => {
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if (last <= index)
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nodes.push(document.createTextNode(text.slice(last, index)));
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let emoji = emojiList.find((e) => e[0] == name);
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let emoji = emojis[name.toLowerCase()[0]].find((e) => e[0] == name);
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if (!emoji) {
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nodes.push(document.createTextNode(match));
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} else {
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@ -26,11 +26,44 @@ export async function emojify(text) {
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if (last < text.length) nodes.push(document.createTextNode(text.slice(last)));
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return nodes;
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}
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export const emojis = Promise.all([
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const emojis = {};
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export const emojisLoaded = Promise.all([
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fetch("/emojis")
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.then((e) => e.json())
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.then((e) =>
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e.map((e) => [e.slice(0, -4), ":" + e.slice(0, -4) + ":", e.slice(-4)])
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),
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fetch("/emojis/unicode.json").then((e) => e.json()),
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]).then((e) => e.flat(1));
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.then((a) => {
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for (let e of a) {
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const name = e.slice(0, -4),
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lower = name.toLowerCase();
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emojis[lower[0]] = emojis[lower[0]] || [];
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emojis[lower[0]].push([name, ":" + name + ":", e.slice(-4), lower]);
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}
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}),
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fetch("/emojis/unicode.json")
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.then((e) => e.json())
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.then((a) => {
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for (let e of a) {
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emojis[e[0][0]] = emojis[e[0][0]] || [];
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emojis[e[0][0]].push([e[0], e[1], null, e[0]]);
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}
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}),
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]);
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export async function findEmojis(search) {
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await emojisLoaded;
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let groups = [[], []];
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if (search.length < 1) {
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for (let letter in emojis)
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for (let emoji of emojis[letter]) {
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(emoji[1][0] === ":" ? groups[0] : groups[1]).push(emoji);
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}
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} else {
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search = search.toLowerCase();
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for (let emoji of emojis[search[0]]) {
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if (search.length == 1 || emoji[3].startsWith(search)) {
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(emoji[1][0] === ":" ? groups[0] : groups[1]).push(emoji);
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}
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}
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}
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return [...groups[0], ...groups[1]];
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}
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