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Github Better Diff

A userscript that adds a button to make the diff better

当前为 2019-04-18 提交的版本，查看 最新版本。

// ==UserScript==
// @name        Github Better Diff
// @description A userscript that adds a button to make the diff better
// @license     MIT
// @author      Marco Pelegrini
// @namespace   https://github.com/marcopelegrini
// @version     1.0.0
// @include     https://github.com/*
// @exclude     https://github.com/*/*.diff
// @exclude     https://github.com/*/*.patch
// @run-at      document-idle
// @grant       GM.addStyle
// @grant       GM_addStyle
// @icon        https://github.githubassets.com/pinned-octocat.svg
// ==/UserScript==

(function() {

    function addButton() {
        var e
        if (/\/pull\/\d*\/(files|commits)/.test(location.href) && (e = document.querySelector('#files_bucket .pr-toolbar .diffbar > .float-right'))) {

            var r = e.querySelector('.GithubFixDiffButton')
            if (r) {
                r.parentElement.removeChild(r)
            }

            var btn = document.createElement('summary')
            btn.classList.add('btn', 'btn-sm')
            btn.appendChild(document.createTextNode('Better Diff'))

            var g = document.createElement('div')
            g.classList.add('GithubFixDiffButton', 'diffbar-item')
            g.appendChild(btn)

            e.insertBefore(g, e.firstChild)

            btn.addEventListener('click', betterDiffEvent, false)
        }
    }

    function betterDiffEvent(e) {
        // Fix deleted
        Array.from(document.querySelectorAll('.js-diff-load-button-container'))
            .filter(e => {
            var diffReason = e.querySelector('.hidden-diff-reason');
            return diffReason != null && diffReason.innerHTML.includes('This file was deleted');
        }).forEach(e => {
            var content = e.parentElement.parentElement;
            content.style.display = "none";
            content.parentElement.parentElement.querySelector('.file-header').querySelector('.diffstat.tooltipped.tooltipped-e').innerHTML = 'DELETED';
        });

        // Fix renamed
        Array.from(document.querySelectorAll('.data.highlight.empty')).forEach(e => {
            var content = e.parentElement;
            content.style.display = "none";
            content.parentElement.querySelector('.file-header').querySelector('.diffstat.tooltipped.tooltipped-e').innerHTML = 'RENAMED';
        });

        // Expand large files
        Array.from(document.querySelectorAll('.js-diff-load-button-container'))
            .forEach(container => container.querySelector('.load-diff-button').click());
    }

    // Init
    addButton()

    // Pjax
    document.addEventListener('pjax:end', addButton)
})()