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add unicode emoji autocomplete

This commit is contained in:
easrng 2022-02-16 10:30:47 -05:00
parent c7efd725b3
commit 65212087e3
4 changed files with 41 additions and 24 deletions
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45
frontend/lib/chat.mjs
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@ -5,21 +5,19 @@ import {
} from "./watch-session.mjs?v=1e57e6"; } from "./watch-session.mjs?v=1e57e6";
import { emojify, emojis } from "./emojis.mjs?v=1e57e6"; import { emojify, emojis } from "./emojis.mjs?v=1e57e6";
function insertAtCursor(input, textToInsert) { function setCaretPosition(elem, caretPos) {
const isSuccess = document.execCommand("insertText", false, textToInsert); if(elem.createTextRange) {
var range = elem.createTextRange();
// Firefox (non-standard method) range.move('character', caretPos);
if (!isSuccess && typeof input.setRangeText === "function") { range.select();
const start = input.selectionStart; } else {
input.setRangeText(textToInsert); if(elem.selectionStart) {
// update cursor to be at the end of insertion elem.focus();
input.selectionStart = input.selectionEnd = start + textToInsert.length; elem.setSelectionRange(caretPos, caretPos);
}
// Notify any possible listeners of the change else
const e = document.createEvent("UIEvent"); elem.focus();
e.initEvent("input", true, false); }
input.dispatchEvent(e);
}
} }
const setupChatboxEvents = (socket) => { const setupChatboxEvents = (socket) => {
@ -53,22 +51,27 @@ const setupChatboxEvents = (socket) => {
}; };
emojiAutocomplete.append( emojiAutocomplete.append(
...(await emojis) ...(await emojis)
.filter((e) => e.toLowerCase().startsWith(search.toLowerCase())) .filter(([name]) => name.toLowerCase().startsWith(search.toLowerCase()))
.map((name, i) => { .map(([name, replaceWith], i) => {
const button = Object.assign(document.createElement("button"), { const button = Object.assign(document.createElement("button"), {
className: "emoji-option" + (i === 0 ? " selected" : ""), className: "emoji-option" + (i === 0 ? " selected" : ""),
onmousedown: (e) => e.preventDefault(), onmousedown: (e) => e.preventDefault(),
onclick: () => onclick: () => {
insertAtCursor(button, name.slice(match[2].length) + ": "), messageInput.value=prefix+replaceWith+" "+suffix;
setCaretPosition(messageInput, (prefix+" "+replaceWith).length)
},
onmouseover: () => select(button), onmouseover: () => select(button),
onfocus: () => select(button), onfocus: () => select(button),
}); });
button.append( button.append(
Object.assign(new Image(), { (replaceWith[0]!==":"?Object.assign(document.createElement("span"), {
textContent: replaceWith,
className: "emoji",
}):Object.assign(new Image(), {
loading: "lazy", loading: "lazy",
src: `/emojis/${name}.png`, src: `/emojis/${name}.png`,
className: "emoji", className: "emoji",
}), })),
Object.assign(document.createElement("span"), { textContent: name }) Object.assign(document.createElement("span"), { textContent: name })
); );
return button; return button;

10
frontend/lib/emojis.mjs
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@ -21,6 +21,10 @@ export async function emojify(text) {
if (last < text.length) nodes.push(document.createTextNode(text.slice(last))); if (last < text.length) nodes.push(document.createTextNode(text.slice(last)));
return nodes; return nodes;
} }
export const emojis = fetch("/emojis") export const emojis = Promise.all([
.then((e) => e.json()) fetch("/emojis")
.then((e) => e.map((e) => e.slice(0, -4))); .then((e) => e.json())
.then((e) => e.map((e) => [e.slice(0, -4), ":"+e.slice(0, -4)+":"])),
fetch('/emojis/unicode.json')
.then((e) => e.json())
]).then(e=>e.flat(1));

4
frontend/styles.css
View File

@ -287,6 +287,10 @@ button.small-button {
width: 1.25rem; width: 1.25rem;
height: 1.25rem; height: 1.25rem;
margin: 0 0.5rem 0 0; margin: 0 0.5rem 0 0;
font-size: 2.25ch;
display: flex;
align-items: center;
justify-content: center;
} }
.emoji-option.selected { .emoji-option.selected {

6
scripts/get_unicode_emojis.sh Executable file
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@ -0,0 +1,6 @@
#!/bin/sh
# Get emoji folder
emojiFolder="$(readlink -f "$(dirname $0)/../frontend/emojis/")"
curl 'https://raw.githubusercontent.com/iamcal/emoji-data/master/emoji.json' | jq '. | map(. as $emoji | .short_names | map([., ($emoji.unified | split("-") | map(. | split("") | map(. as $nibble | (["0","1","2","3","4","5","6","7","8","9","A","B","C","D","E","F"] | index($nibble))) | reduce .[] as $item (0; (. * 16) + $item)) | map(if (. < 65536) then (.) else [55296 - 64 + (. / 1024 | floor), 56320 + (((. / 1024) - (. / 1024 | floor)) * 1024)] end) | flatten(1) | map(("\\u" + ("0000" + ({"str": "", "num": .} | until(.num < 1; {"str": (["0","1","2","3","4","5","6","7","8","9","A","B","C","D","E","F"][((.num / 16) - (.num / 16 | floor)) * 16] + .str), "num": (.num / 16) | floor})).str)[-4:])) | join("") | "\"" + . + "\"" | fromjson)])) | flatten(1)' --raw-output >"$emojiFolder/unicode.json"