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Adds a button to allow you to widen the container when viewing unified diffs
// ==UserScript==
// @name Widen Code Container (GitHub)
// @namespace https://github.com/chriskim06/userscripts
// @description Adds a button to allow you to widen the container when viewing unified diffs
// @match https://github.com/*/*/commit/*
// @match https://github.com/*/*/pull/*/files*
// @version 1.4.4
// ==/UserScript==
(function() {
// Create button to widen container and add it next to an element
function addButton(id, float) {
var s = document.querySelector('#' + id + ' .refined-github-toggle-whitespace');
if (s) {
var btn = document.createElement('div');
btn.setAttribute('class', (float) ? 'diffbar-item float-right' : 'diffbar-item');
var ln = document.createElement('a');
ln.setAttribute('id', 'code-widen-button');
ln.setAttribute('class', 'btn btn-sm btn-outline BtnGroup-item tooltipped tooltipped-s');
ln.setAttribute('aria-label', 'Widen the code container');
ln.innerText = 'Widen';
btn.appendChild(ln);
s.parentNode.insertBefore(btn, s.nextElementSibling);
}
}
// Add the widen button on pull request and commit pages if its not there
if (!document.querySelector('#code-widen-button') && document.querySelector('meta[name="diff-view"]').content === 'unified') {
if (location.href.match(/^https:\/\/github\.com\/.+\/.+\/pull\/[\d]+\/files/)) {
addButton('files_bucket', false);
} else if (location.href.match(/^https:\/\/github\.com\/.+\/.+\/commit/)) {
addButton('toc', true);
}
// Add listener on newly added button if it exists
var widenBtn = document.querySelector('#code-widen-button');
if (widenBtn) {
widenBtn.addEventListener('click', function(e) {
e.preventDefault();
var container = document.querySelector('.container.new-discussion-timeline.experiment-repo-nav');
var wide = Math.floor(window.innerWidth * 0.95);
var wasNormal = container.offsetWidth < wide;
container.style.width = ((wasNormal) ? wide : Math.floor(window.innerWidth * 0.68)) + 'px';
this.setAttribute('aria-label', (wasNormal) ? 'Return to normal width' : 'Widen the code container');
this.innerText = (wasNormal) ? 'Normal' : 'Widen';
});
}
}
})();