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// ==UserScript==
// @name GitHub Apple-Option-P to Preview
// @namespace com.teddywing
// @description Enables Apple-Option-P to toggle the Preview pane
// @version 0.0.2
// @match https://*.github.com/*
// @grant none
// ==/UserScript==
// Copyright (c) 2017, 2022 Teddy Wing
//
// 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 <http://www.gnu.org/licenses/>.
var KEY_CODE_P = 80;
document.documentElement.addEventListener(
'keydown',
function(e) {
var node = e.target;
if (node.type !== 'textarea' ||
node.className.indexOf('js-comment-field') === -1) {
return;
}
if (e.metaKey && e.altKey && e.keyCode == KEY_CODE_P) {
show_preview_pane(node);
var write_tab = node
.closest('.js-previewable-comment-form')
.querySelector('.js-write-tab');
window.setTimeout(function() {
register_pane_toggle_shortcut(write_tab);
});
}
}
);
function show_preview_pane (node) {
node
.closest('.js-previewable-comment-form')
.querySelector('.js-preview-tab')
.click();
}
function register_pane_toggle_shortcut (write_tab) {
document.body.addEventListener('keydown', toggle_write_pane);
function toggle_write_pane (e) {
if (e.metaKey && e.altKey && e.keyCode == KEY_CODE_P) {
write_tab.click();
document.body.removeEventListener('keydown', toggle_write_pane);
}
}
}
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