获取页面 Markdown 源代码
// ==UserScript==
// @name copy-markdown
// @namespace https://github.com/LYkcul
// @description 获取页面 Markdown 源代码
// @author BlackPanda
// @license MIT
// @version 1.2.0
// @match https://www.luogu.com.cn/*
// @match https://www.luogu.com/*
// @grant none
// ==/UserScript==
(function () {
"use strict";
function injectStyle() {
var style = document.createElement("style");
style.textContent = `
.lcolor-var-green-3 {
--lcolor-rgb: 82, 196, 26;
}
.lcolor-var-blue-3 {
--lcolor-rgb: 52, 152, 219;
}
.lcolor-var-red-3 {
--lcolor-rgb: 231, 76, 60;
}
.copy-markdown-btn {
--l-button--real-color: var(--lcolor-rgb, var(--lcolor--primary, var(--lcolor--primary, 52, 152, 219)));
display: inline-block;
outline: none;
cursor: pointer;
font-weight: inherit;
line-height: 1.5;
text-align: center;
vertical-align: middle;
border-radius: 3px;
border: 1px solid rgb(var(--l-button--real-color));
background: rgba(var(--l-button--real-color),0) none;
color: rgb(var(--l-button--real-color));
margin-right: .5em;
}
.copy-markdown-btn-contest {
--l-button--real-color: var(--lcolor-rgb, var(--lcolor--primary, var(--lcolor--primary, 52, 152, 219)));
display: inline-block;
outline: none;
cursor: pointer;
font-weight: inherit;
line-height: 1.5;
text-align: center;
vertical-align: middle;
border-radius: 3px;
border: 1px solid rgb(var(--l-button--real-color));
background: rgb(var(--l-button--real-color));
color: #fff;
margin-right: .5em;
}
/* why no margin-right on exlg-cph??? */
.exlg-cph + .copy-markdown-btn-contest {
margin-left: .5em;
}
`;
document.head.appendChild(style);
}
/*====================*/
const routes = [
{
name: "article_show",
match: (path) => /^\/(article)\/(?!mine$|_?new$)[A-Za-z0-9]+$/.test(path),
mount: ".user-nav",
getContent: async () => {
let ele = document.querySelector("script#lentille-context");
let json = JSON.parse(ele.textContent.trim());
let url = location.href;
if (url.endsWith("/")) url = url.slice(0, -1);
if (
json.template !== "article.show" ||
json.data.article.lid !== url.split("/").pop()
) {
console.log("[DEBUG] retry");
const res = await fetch(location.href, {
credentials: "include",
headers: {
"x-requested-with": "XMLHttpRequest",
"x-lentille-request": "content-only",
},
});
const html = await res.text();
json = JSON.parse(html.trim());
}
console.log(json);
const content = json.data?.article?.content || "复制失败";
return content;
},
},
{
name: "user_detail",
match: (path) => /^\/user\/\d+$/.test(path),
test: (url) => !(url.hash && url.hash.length > 1 && url.hash !== "#main"),
mount: ".user-nav",
getContent: async () => {
return _feInstance.currentData.user.introduction || "复制失败";
},
className: "lfe-form-sz-middle lcolor-var-blue-3 copy-markdown-btn",
classNameSucc: "lfe-form-sz-middle lcolor-var-green-3 copy-markdown-btn",
classNameErr: "lfe-form-sz-middle lcolor-var-red-3 copy-markdown-btn",
},
{
name: "contest_detail",
match: (path) => /^\/contest\/\d+$/.test(path),
test: (url) =>
!(url.hash && url.hash.length > 1 && url.hash !== "#description"),
mount: ".functional > .operation",
specialMount: true,
getContent: async () => {
return _feInstance.currentData.contest.description || "复制失败";
},
className:
"lfe-form-sz-middle lcolor-var-blue-3 copy-markdown-btn-contest",
classNameSucc:
"lfe-form-sz-middle lcolor-var-green-3 copy-markdown-btn-contest",
classNameErr:
"lfe-form-sz-middle lcolor-var-red-3 copy-markdown-btn-contest",
selfMount: ".copy-markdown-btn-contest",
},
{
name: "training_detail",
match: (path) => /^\/training\/\d+$/.test(path),
test: (url) =>
!(url.hash && url.hash.length > 1 && url.hash !== "#information"),
mount: ".functional > .operation",
specialMount: true,
getContent: async () => {
return _feInstance.currentData.training.description || "复制失败";
},
className:
"lfe-form-sz-middle lcolor-var-blue-3 copy-markdown-btn-contest",
classNameSucc:
"lfe-form-sz-middle lcolor-var-green-3 copy-markdown-btn-contest",
classNameErr:
"lfe-form-sz-middle lcolor-var-red-3 copy-markdown-btn-contest",
selfMount: ".copy-markdown-btn-contest",
},
];
function getRoute() {
const path = location.pathname;
return (
routes.find((r) => {
return (
(typeof r.test === "function" ? r.test(location) : true) &&
r.match(path)
);
}) || null
);
}
function isValidUrl() {
return !!getRoute();
}
function cleanupBtn() {
document
.querySelectorAll("#copy-markdown-mount")
.forEach((el) => el.remove());
}
async function insertBtn() {
const route = getRoute();
if (!route) return false;
const nav = document.querySelector(route.mount || ".user-nav");
if (!nav) return;
if (nav.querySelector(".copy-markdown-btn")) return true;
let btn = document.createElement("button");
btn.textContent = "复制源代码";
btn.type = "button";
btn.id = "copy-markdown-mount";
btn.className =
route.className ||
"lform-size-middle lcolor-var-blue-3 copy-markdown-btn";
btn.addEventListener("click", async () => {
try {
console.log("[DEBUG] route: ", route.name);
const content = await route.getContent();
await navigator.clipboard.writeText(content);
btn.textContent = "复制成功";
btn.className =
route.classNameSucc ||
"lform-size-middle lcolor-var-green-3 copy-markdown-btn";
} catch (e) {
console.error("复制失败:", e);
btn.textContent = "复制失败";
btn.className =
route.classNameErr ||
"lform-size-middle lcolor-var-red-3 copy-markdown-btn";
} finally {
setTimeout(() => {
btn.textContent = "复制源代码";
btn.className =
route.className ||
"lform-size-middle lcolor-var-blue-3 copy-markdown-btn";
}, 600);
}
});
if (route.specialMount) {
nav.insertBefore(btn, nav.lastChild.nextSibling);
} else {
nav.insertBefore(btn, nav.firstChild);
}
return true;
}
function handleUrlChange() {
injectStyle();
if (!isValidUrl()) {
cleanupBtn();
return;
}
const start = Date.now();
const timer = setInterval(() => {
if (!isValidUrl()) {
clearInterval(timer);
cleanupBtn();
return;
}
if (insertBtn()) {
clearInterval(timer);
return;
}
if (Date.now() - start > 3000) clearInterval(timer);
}, 100);
}
const fireUrlChange = () =>
window.dispatchEvent(new Event("userscript:urlchange"));
const _ps = history.pushState,
_rs = history.replaceState;
history.pushState = function (...a) {
const r = _ps.apply(this, a);
fireUrlChange();
return r;
};
history.replaceState = function (...a) {
const r = _rs.apply(this, a);
fireUrlChange();
return r;
};
window.addEventListener("popstate", fireUrlChange);
window.addEventListener("hashchange", fireUrlChange);
window.addEventListener("userscript:urlchange", () => {
cleanupBtn();
setTimeout(handleUrlChange, 0);
});
const init = () => handleUrlChange();
if (document.readyState === "loading") {
document.addEventListener("DOMContentLoaded", init);
} else {
init();
}
})();