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zyrolasting / Hide Annoying BitBucket Diffs

// ==UserScript==
// @name         Hide Annoying BitBucket Diffs 
// @namespace    http://sagegerard.com
// @version      0.1
// @description  Hides bulky diff blocks for autogenerated files in BitBucket pull requests using RegExp patterns defined by clear-text resource
// @author       Sage Gerard
// @match        https://*.bitbucket.org/*/pull-requests/*
// @resource     ignorePatterns http://pastebin.com/5mNJ0FHv 
// @grant        GM_getResourceText
// ==/UserScript==

(function() {
    'use strict';

    var timer = setInterval(function() {
        const diffBlocks = document.querySelectorAll('.commentable-diff');
        const len = diffBlocks.length;

        const textSource = GM_getResourceText("ignorePatterns");

        if (!textSource) {
            console.log('[HABD] Could not load ignore patterns to hide BitBucket diffs, or no patterns were defined. Check your resource?');
            return;
        }

        const patterns = textSource.split(/\r?\n/).map((pattern) => new RegExp(pattern));

        if (len > 0) {
            for (let i = 0; i < len; ++i) {
                const db = diffBlocks[i];
                const filename = db.getAttribute('data-filename');

                if (patterns.some(re => re.test(filename))) {
                    db.remove();
                    console.log('[HABD] Removed diff block for ', filename);
                }
            }

            clearInterval(timer);
        }
    }, 500);
})();