【使用前先看介绍/有问题可反馈】力扣助手 (LeetCode Assistant)：为力扣页面增加辅助功能。
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// ==UserScript==
// @name LeetCode Assistant
// @namespace http://tampermonkey.net/
// @version 1.0.1
// @description 【使用前先看介绍/有问题可反馈】力扣助手 (LeetCode Assistant)：为力扣页面增加辅助功能。
// @author cc
// @require https://cdn.bootcss.com/jquery/3.4.1/jquery.js
// @require https://greasyfork.org/scripts/422854-bubble-message.js
// @match https://leetcode-cn.com/problems/*
// @match https://leetcode-cn.com/problemset/all/
// @grant GM_setValue
// @grant GM_getValue
// ==/UserScript==
(function() {
var executing = false;
const bm = new BubbleMessage();
const config = {
recommendVisible: false,
};
// 通用
function updateData(obj) {
var data = GM_getValue('data');
if (!obj) {
// 初始化调用
if (!data) {
// 未初始化
data = {};
Object.assign(data, config);
GM_setValue('data', data);
} else {
// 已初始化
Object.assign(config, data);
}
} else {
// 更新调用
Object.assign(config, obj);
Object.assign(data, config);
GM_setValue('data', data);
}
}
function insertTextarea() {
let textarea = document.createElement('textarea');
textarea.setAttribute('id', 'leetcode-assistant-textarea');
document.body.appendChild(textarea);
}
function executeCopy(value) {
let textarea = document.getElementById('leetcode-assistant-textarea');
textarea.value = value;
textarea.setAttribute('value', value);
textarea.select();
document.execCommand('copy');
bm.message({
type: 'success',
message: '复制成功',
duration: 1500,
});
}
function switchVisible(nodes, visible) {
if (visible) {
nodes.forEach(node => node.style.display = '');
} else {
nodes.forEach(node => node.style.display = 'none');
}
}
function observeChildList(node, callback) {
let observer = new MutationObserver(function(mutations) {
mutations.forEach((mutation) => {
if (mutation.type == 'childList' && mutation.addedNodes.length > 0) {
callback([...mutation.addedNodes]);
}
});
});
observer.observe(node, { childList: true });
}
function listenHistoryState() {
const _historyWrap = function(type) {
const orig = history[type];
const e = new Event(type);
return function() {
const rv = orig.apply(this, arguments);
e.arguments = arguments;
window.dispatchEvent(e);
return rv;
};
};
history.pushState = _historyWrap('pushState');
window.addEventListener('pushState', () => {
if (!executing) {
executing = true;
main();
}
});
}
// 提交记录页
function requestCode(qid) {
let query = `
query mySubmissionDetail($id: ID!) {
submissionDetail(submissionId: $id) {
id
code
runtime
memory
rawMemory
statusDisplay
timestamp
lang
passedTestCaseCnt
totalTestCaseCnt
sourceUrl
question {
titleSlug
title
translatedTitle
questionId
__typename
}
... on GeneralSubmissionNode {
outputDetail {
codeOutput
expectedOutput
input
compileError
runtimeError
lastTestcase
__typename
}
__typename
}
submissionComment {
comment
flagType
__typename
}
__typename
}
}`;
$.ajax({
url: 'https://leetcode-cn.com/graphql/',
method: 'POST',
contentType: 'application/json',
data: JSON.stringify({
operationName: 'mySubmissionDetail',
query: query,
variables: {
id: qid
},
}),
}).then(res => {
executeCopy(res.data.submissionDetail.code);
});
}
function insertCopyFunction() {
let tbody = document.querySelector('.ant-table-tbody');
let trs = [...tbody.querySelectorAll('tr')];
let processTr = (tr) => {
let qid = tr.dataset.rowKey;
let cell = tr.querySelector(':nth-child(4)');
cell.title = '点击复制代码'
cell.style = 'cursor: pointer; color: #007aff';
cell.addEventListener('click', function() {
requestCode(qid);
});
}
trs.forEach(processTr);
observeChildList(tbody, (nodes) => {
let node = nodes[0];
if (node.tagName == 'TR')
processTr(node);
});
executing = false;
}
// 首页
function switchRecommendVisible() {
var nodes = [];
var target = document.querySelector('.border-divider-border-2');
while (target) {
nodes.push(target);
target = target.previousElementSibling;
}
var sidebar = document.querySelector('.col-span-4:nth-child(2)');
target = sidebar.querySelector('.space-y-4:nth-child(2)');
while (target) {
nodes.push(target);
target = target.nextElementSibling;
}
switchVisible(nodes, config.recommendVisible);
observeChildList(sidebar, (nodes) => {
switchVisible(nodes, config.recommendVisible);
});
}
function insertVisibleSwitch() {
var insertDiv = document.querySelector('.relative.space-x-5').nextElementSibling;
insertDiv.style = 'display: inline-flex; align-items: center;';
var switchCheckbox = document.createElement('input');
switchCheckbox.type = 'checkbox';
switchCheckbox.checked = true;
switchCheckbox.setAttribute('id', 'leetcode-assistant-recommend-switch');
switchCheckbox.addEventListener('change', function() {
updateData({ recommendVisible: !this.checked });
switchRecommendVisible();
});
var switchLabel = document.createElement('label');
switchLabel.setAttribute('for', 'leetcode-assistant-recommend-switch');
switchLabel.innerText = '简洁模式';
switchLabel.style.marginLeft = '5px';
insertDiv.appendChild(switchCheckbox);
insertDiv.appendChild(switchLabel);
}
// 主函数
function main() {
if (location.href.match(/\/submissions\/$/)) {
(function r() {
if (document.querySelector('.ant-table-thead')) {
insertCopyFunction();
} else {
setTimeout(r, 500);
}
})();
} else if (location.href == 'https://leetcode-cn.com/problemset/all/') {
insertVisibleSwitch();
switchRecommendVisible();
} else {
executing = false;
}
}
window.addEventListener('load', () => {
updateData();
insertTextarea();
listenHistoryState();
main();
});
})();