use-shortcode.js (1718B)
1 /* 2 GoToSocial 3 Copyright (C) GoToSocial Authors admin@gotosocial.org 4 SPDX-License-Identifier: AGPL-3.0-or-later 5 6 This program is free software: you can redistribute it and/or modify 7 it under the terms of the GNU Affero General Public License as published by 8 the Free Software Foundation, either version 3 of the License, or 9 (at your option) any later version. 10 11 This program is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU Affero General Public License for more details. 15 16 You should have received a copy of the GNU Affero General Public License 17 along with this program. If not, see <http://www.gnu.org/licenses/>. 18 */ 19 20 "use strict"; 21 22 const React = require("react"); 23 24 const query = require("../../../lib/query"); 25 const { useTextInput } = require("../../../lib/form"); 26 27 const shortcodeRegex = /^\w{2,30}$/; 28 29 module.exports = function useShortcode() { 30 const { 31 data: emoji = [] 32 } = query.useListEmojiQuery({ filter: "domain:local" }); 33 34 const emojiCodes = React.useMemo(() => { 35 return new Set(emoji.map((e) => e.shortcode)); 36 }, [emoji]); 37 38 return useTextInput("shortcode", { 39 validator: function validateShortcode(code) { 40 // technically invalid, but hacky fix to prevent validation error on page load 41 if (code == "") { return ""; } 42 43 if (emojiCodes.has(code)) { 44 return "Shortcode already in use"; 45 } 46 47 if (code.length < 2 || code.length > 30) { 48 return "Shortcode must be between 2 and 30 characters"; 49 } 50 51 if (!shortcodeRegex.test(code)) { 52 return "Shortcode must only contain letters, numbers, and underscores"; 53 } 54 55 return ""; 56 } 57 }); 58 };