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支持自动识别BV号或b23短链，一键插入带标题的B站视频Markdown
// ==UserScript==
// @name nodeseek和deepflood快速插入B站链接插件
// @namespace Violentmonkey Scripts
// @match https://www.deepflood.com/post-*
// @match https://www.deepflood.com/new-discussion
// @match https://www.nodeseek.com/post-*
// @match https://www.nodeseek.com/new-discussion
// @grant GM_xmlhttpRequest
// @author renshengyoumeng
// @author2 shuai, ChatGPT5
// @license MIT
// @version 1.3
// @description 支持自动识别BV号或b23短链，一键插入带标题的B站视频Markdown
// ==/UserScript==
(() => {
'use strict';
// ======== 常量 ========
const SELECTORS = {
editor: '.CodeMirror',
toolbar: '.mde-toolbar',
imgBtn: '.toolbar-item.i-icon.i-icon-pic[title="图片"]',
container: '#bzhan-toolbar-container',
};
const ICON_SVG = `
<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 512 512">
<path fill="currentColor" d="M202.667 261.333v32a26.666 26.666 0 0 1-45.523 18.856a26.67 26.67 0 0 1-7.811-18.856v-32a26.667 26.667 0 0 1 53.334 0m266.666-58.666v170.666A74.667 74.667 0 0 1 394.667 448H117.333a74.67 74.67 0 0 1-74.666-74.667V202.667A74.67 74.67 0 0 1 117.333 128h32l-24.106-23.893A26.551 26.551 0 0 1 144 58.784a26.55 26.55 0 0 1 18.773 7.776L224.427 128h64l61.653-61.44a26.55 26.55 0 1 1 37.547 37.547L362.667 128h32a74.67 74.67 0 0 1 74.666 74.667m-53.333 0a21.335 21.335 0 0 0-21.333-21.334H117.333A21.333 21.333 0 0 0 96 202.667v170.666a21.335 21.335 0 0 0 21.333 21.334h277.334A21.333 21.333 0 0 0 416 373.333zm-80 32a26.666 26.666 0 0 0-26.667 26.666v32a26.666 26.666 0 0 0 45.523 18.856a26.67 26.67 0 0 0 7.811-18.856v-32A26.667 26.667 0 0 0 336 234.667"/>
</svg>`;
// ======== 工具函数 ========
const Utils = {
waitForElement: (selector) =>
new Promise((resolve) => {
const found = document.querySelector(selector);
if (found) return resolve(found);
const obs = new MutationObserver(() => {
const el = document.querySelector(selector);
if (el) {
obs.disconnect();
resolve(el);
}
});
obs.observe(document.body, { childList: true, subtree: true });
}),
delay: (ms) => new Promise((r) => setTimeout(r, ms)),
getLongLink: (shortLink) =>
new Promise((resolve, reject) => {
GM_xmlhttpRequest({
method: 'GET',
url: shortLink,
followRedirect: false,
onload: (res) => {
const longLink = res.finalUrl || '';
if (longLink.includes('bilibili.com/video/')) resolve(longLink);
else reject('未找到有效跳转链接');
},
onerror: reject,
});
}),
generateLink: (bvId) => `https://www.bilibili.com/video/${bvId}`,
async parseLink(text) {
const clean = text.trim();
const reg = {
short: /https?:\/\/b23\.tv\/[a-zA-Z0-9]+/,
bv: /BV[a-zA-Z0-9]{10}/,
};
try {
if (reg.bv.test(clean)) {
const bv = clean.match(reg.bv)?.[0];
return this.generateLink(bv);
}
if (reg.short.test(clean)) {
const short = clean.match(reg.short)?.[0];
const longLink = await this.getLongLink(short);
const bv = longLink.match(reg.bv)?.[0];
return bv ? this.generateLink(bv) : null;
}
return null;
} catch (e) {
console.warn('链接解析失败:', e);
return null;
}
},
async fetchTitle(bvLink) {
return new Promise((resolve) => {
GM_xmlhttpRequest({
method: 'GET',
url: bvLink,
onload: (res) => {
const html = res.responseText;
const match = html.match(/<title.*?>(.*?)<\/title>/i);
if (match && match[1]) {
const title = match[1]
.replace(/_哔哩哔哩_bilibili.*$/, '') // 去除多余后缀
.replace(/[\r\n]/g, '')
.trim();
resolve(title);
} else resolve('B站视频');
},
onerror: () => resolve('B站视频'),
});
});
},
insertMarkdown(markdown, editor) {
const cm = editor?.CodeMirror;
if (!cm) return;
const cursor = cm.getCursor();
cm.replaceRange(`\n${markdown}\n`, cursor);
cm.focus();
},
};
// ======== UI逻辑 ========
const UI = {
createButton() {
const btn = document.createElement('button');
btn.className = 'bzhan-button toolbar-item i-icon';
btn.style.cssText = 'appearance:none;border:none;background:inherit;cursor:pointer;';
btn.innerHTML = ICON_SVG;
return btn;
},
async setupToolbar(toolbar, editor) {
if (!toolbar || toolbar.querySelector(SELECTORS.container)) return;
const container = document.createElement('div');
container.id = 'bzhan-toolbar-container';
toolbar.appendChild(container);
const btn = this.createButton();
const imgBtn = toolbar.querySelector(SELECTORS.imgBtn);
if (imgBtn) toolbar.insertBefore(btn, imgBtn);
else toolbar.appendChild(btn);
btn.addEventListener('click', async () => {
const input = prompt('请输入B站BV号或分享链接：');
if (!input) return;
const link = await Utils.parseLink(input);
if (!link) return alert('未能生成有效链接，请检查输入是否正确。');
const title = await Utils.fetchTitle(link);
Utils.insertMarkdown(`[${title}](${link})`, editor);
});
},
};
// ======== 初始化逻辑 ========
const init = async () => {
try {
const editor = await Utils.waitForElement(SELECTORS.editor);
const toolbar = await Utils.waitForElement(SELECTORS.toolbar);
await UI.setupToolbar(toolbar, editor);
// 监控 toolbar 丢失
const observer = new MutationObserver(async (mutations) => {
for (const m of mutations) {
if ([...m.addedNodes].some((n) => n.matches?.(SELECTORS.toolbar))) {
const tb = document.querySelector(SELECTORS.toolbar);
if (tb && !tb.querySelector(SELECTORS.container))
await UI.setupToolbar(tb, editor);
}
}
});
observer.observe(document.body, { childList: true, subtree: true });
// 兼容 tab 切换
document.addEventListener('click', async (e) => {
if (e.target.closest('.tab-option')) {
await Utils.delay(150);
const tb = document.querySelector(SELECTORS.toolbar);
if (tb && !tb.querySelector(SELECTORS.container))
await UI.setupToolbar(tb, editor);
}
});
} catch (e) {
console.warn('脚本初始化失败:', e);
}
};
window.addEventListener('load', init);
})();