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为 LeetCode_CN 添加一键打开英文讨论区的按钮——中文讨论内容太水了
// ==UserScript==
// @name LeetCode_CN/力扣 一键打开英文讨论区
// @namespace Aloxaf_i
// @version 0.1.1
// @description 为 LeetCode_CN 添加一键打开英文讨论区的按钮——中文讨论内容太水了
// @author Aloxaf
// @match https://leetcode-cn.com/problems/*
// @require https://cdn.bootcss.com/jquery/3.3.1/jquery.min.js
// @run-at document-end
// ==/UserScript==
/* jshint esversion: 6 */
(function() {
'use strict';
// https://stackoverflow.com/questions/22125865/wait-until-flag-true
function waitFor(condition, callback) {
if(!condition()) {
console.log('waiting');
window.setTimeout(waitFor.bind(null, condition, callback), 500); /* this checks the flag every 100 milliseconds*/
} else {
console.log('done');
callback();
}
}
function add_button() {
function htmlToElement(html) {
let template = document.createElement('template');
html = html.trim(); // Never return a text node of whitespace as the result
template.innerHTML = html;
return template.content.firstChild;
}
const problem_name = location.href.match(/problems\/([^\/]+)/)[1];
const button = `<button id="jump2eng" class="btn__r7r7 button__1hMm" onclick="window.open('https://leetcode.com/problems/${problem_name}/discuss/?currentPage=1&orderBy=most_votes&query=','_blank')">
<svg viewBox="0 0 24 24" width="1em" height="1em" class="icon__3Su4">
<path fill-rule="evenodd" d="M8.995 22a.955.955 0 0 1-.704-.282.955.955 0 0 1-.282-.704V18.01H3.972c-.564 0-1.033-.195-1.409-.586A1.99 1.99 0 0 1 2 15.99V3.97c0-.563.188-1.032.563-1.408C2.94 2.188 3.408 2 3.972 2h16.056c.564 0 1.033.188 1.409.563.375.376.563.845.563 1.409V15.99a1.99 1.99 0 0 1-.563 1.432c-.376.39-.845.586-1.409.586h-6.103l-3.709 3.71c-.22.187-.454.281-.704.281h-.517zm.986-6.01v3.1l3.099-3.1h6.948V3.973H3.972V15.99h6.01zm-3.99-9.013h12.018v2.018H5.991V6.977zm0 4.037h9.014v1.972H5.99v-1.972z"></path>
</svg>
<span>英文版讨论区</span>
</button>`;
document.querySelector('div[class*="-Tools"]').append(htmlToElement(button));
}
waitFor(() => {
let node = document.querySelector('div[class*="-Tools"]');
return (node && node.childElementCount > 0 );
}, add_button);
})();