github tending markdown remove

// ==UserScript==
// @name         github tending markdown remove
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       bestK
// @match        https://github.com/trending/*
// @icon         https://www.google.com/s2/favicons?domain=github.com
// @grant        GM_xmlhttpRequest
// @run-at       document-idle
// ==/UserScript==

var allRows;

(function() {
    'use strict';
    allRows = document.getElementsByClassName('Box-row');
    clear()
})();


function clear(){
    var promises = [];
    for(var i = 0; i<allRows.length;i++){
        var url = allRows[i].children[1].children[0].href
        url = 'https://api.github.com/repos/'+url.split('https://github.com/')[1]+'/contents'
        promises.push(getDirs(url,i));
    }

    Promise.all(promises).then(rows => {
       removeRows(rows)
    })
}

function getDirs(url,currentRowIdx) {

  return new Promise((resolve, reject) => {
            var limit = 0;
            GM_xmlhttpRequest({
                method: "GET",
                url: url,
                onload: function(res) {

                    if (res.status == 200) {
                        var text = res.responseText;
                        var contents = JSON.parse(text);
                        for(var j=0;j<contents.length;j++){
                            if(isChinese(contents[j].path) || contents[j].path.split('.')[1]==='md'){
                               resolve(allRows[currentRowIdx])
                            }
                        }

                    } else {
                       reject(false);
                    }
                }
            });
        })
}


// 简单匹配要删除的行
function getRows(){
    var filter = ['Markdown']
    for(var i = 0; i<allRows.length;i++){
       var language = allRows[i].children[allRows[i].children.length-1].children[0].children[1].innerHTML;
        console.log(language)
       if(filter.includes(language)){
           removeRows.push(allRows[i])
       }
    }
    return removeRows;
}

// 执行删除动作
function removeRows(_rows){
    console.log('以下内容已从页面移除',_rows)
    for(var i=0;i<_rows.length;i++){
        var self = _rows[i]
        var parent = self.parentElement
        parent.removeChild(self)
    }
}


// 是否中文
function isChinese(text){
    return /.*[\u4e00-\u9fa5]+.*$/.test(text);
}