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Automatically 'closing' the following characters in the chat input area: ", *, [, (, or {.
// ==UserScript==
// @name ChatInputDC
// @namespace http://tampermonkey.net/
// @version 0.1
// @description Automatically 'closing' the following characters in the chat input area: ", *, [, (, or {.
// @author Isilin
// @match https://www.dreadcast.net/Main
// @match https://www.dreadcast.eu/Main
// @grant none
// @licence https://www.gnu.org/licenses/gpl-3.0.fr.html
//
// ChatInputDC
// Copyright (C) 2019 Isilin
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
//
// ==/UserScript==
(function() {
'use strict';
/* globals $ */
var chatInput = $("#chatForm .text_chat")[0];
var reg = /["\*\[\(\{]/; // Characters to look for.
var map = { // mapping each opening element with its associated closing element.
'*' : '*',
'"' : '"',
'[' : ']',
'(' : ')',
'{' : '}'
};
chatInput.addEventListener('keydown', (event) => {
if (event.key.search(reg) != -1) {
var selectedText = chatInput.selectionStart == chatInput.selectionEnd ? "" : chatInput.value.substring(chatInput.selectionStart, chatInput.selectionEnd);
// we need to save these positions, as it changes while modifying the value.
var oldStart = chatInput.selectionStart;
var oldEnd = chatInput.selectionEnd;
chatInput.value = chatInput.value.substring(0, chatInput.selectionStart) + event.key + selectedText + map[event.key] + chatInput.value.substring(chatInput.selectionEnd);
chatInput.selectionStart = oldStart + 1;
chatInput.selectionEnd = oldEnd + 1;
// we prevent all subsequent behaviours.
event.preventDefault();
event.stopPropagation();
}
}, false);
})();