AtCoderの問題ページにカテゴリーを知ることの出来るボタンを設置します。
// ==UserScript==
// @name AtCoderTags_Hint
// @version 0.9
// @author Null_Null
// @match https://atcoder.jp/contests/*/tasks/*
// @match https://*/tasks/*
// @grant none
// @namespace https://github.com/null-null-programming/AtCoderTags-Helper
// @description AtCoderの問題ページにカテゴリーを知ることの出来るボタンを設置します。
// ==/UserScript==
function getContestName() {
let contestURL = location.href;
let contestArray = contestURL.split('/');
return contestArray[contestArray.length - 1];
}
$('#contest-nav-tabs').prepend(`<div>
<div id="tag-badge" class="row">
<button id="tags-hint" type="button" class="btn btn-info">Tag</button>
<span id="hint-tag-0" class="col badge badge-pill badge-primary"></span>
<span id="hint-tag-1" class="col badge badge-pill badge-primary"></span>
<span id="hint-tag-2" class="col badge badge-pill badge-primary"></span>
<span id="hint-tag-3" class="col badge badge-pill badge-primary"></span>
</div>
</div>`);
$('#tags-hint').click(function() {
getTag();
})
async function getTag() {
let parser = new DOMParser();
let archiveDom = parser.parseFromString((await $.get('https://atcoder-tags.herokuapp.com/check/'+getContestName())), "text/html");
let tag_list=[];
if(archiveDom.querySelector("#tag0")!=null)tag_list.push(archiveDom.querySelector("#tag0").innerText);
if(archiveDom.querySelector("#tag1")!=null)tag_list.push(archiveDom.querySelector("#tag1").innerText);
if(archiveDom.querySelector("#tag2")!=null)tag_list.push(archiveDom.querySelector("#tag2").innerText);
if(archiveDom.querySelector("#tag3")!=null)tag_list.push(archiveDom.querySelector("#tag3").innerText);
if(tag_list[0]!='None'){
$('#hint-tag-0').html(tag_list[0]);
}
if(tag_list[1]!='None' && tag_list[1]!=tag_list[0]){
$('#hint-tag-1').html(tag_list[1]);
}
if(tag_list[2]!='None' && tag_list[2]!=tag_list[0]){
$('#hint-tag-2').html(tag_list[2]);
}
if(tag_list[3]!='None' && tag_list[3]!=tag_list[0]){
$('#hint-tag-3').html(tag_list[3]);
}
return;
}