Files
baoyu-skills/skills/baoyu-post-to-wechat/scripts/wechat-browser.ts
T
Jim Liu 宝玉 569beebdd6 feat(baoyu-post-to-wechat): adapt to new WeChat UI and fix digest/cover handling
Rename 图文 to 贴图 throughout; add ProseMirror editor support with old editor
fallback; add fallback file input selector; add upload progress monitoring;
improve save button detection with toast verification; truncate digest > 120
chars at punctuation boundary; fix cover image relative path resolution.
2026-02-10 15:46:09 -06:00

813 lines
29 KiB
TypeScript

import { spawn } from 'node:child_process';
import fs from 'node:fs';
import { mkdir, readdir } from 'node:fs/promises';
import net from 'node:net';
import os from 'node:os';
import path from 'node:path';
import process from 'node:process';
const WECHAT_URL = 'https://mp.weixin.qq.com/';
interface MarkdownMeta {
title: string;
author: string;
content: string;
}
function parseMarkdownFile(filePath: string): MarkdownMeta {
const text = fs.readFileSync(filePath, 'utf-8');
let title = '';
let author = '';
let content = '';
const fmMatch = text.match(/^---\r?\n([\s\S]*?)\r?\n---/);
if (fmMatch) {
const fm = fmMatch[1]!;
const titleMatch = fm.match(/^title:\s*(.+)$/m);
if (titleMatch) title = titleMatch[1]!.trim().replace(/^["']|["']$/g, '');
const authorMatch = fm.match(/^author:\s*(.+)$/m);
if (authorMatch) author = authorMatch[1]!.trim().replace(/^["']|["']$/g, '');
}
const bodyText = fmMatch ? text.slice(fmMatch[0].length) : text;
if (!title) {
const h1Match = bodyText.match(/^#\s+(.+)$/m);
if (h1Match) title = h1Match[1]!.trim();
}
const lines = bodyText.split('\n');
const paragraphs: string[] = [];
for (const line of lines) {
const trimmed = line.trim();
if (!trimmed) continue;
if (trimmed.startsWith('#')) continue;
if (trimmed.startsWith('![')) continue;
if (trimmed.startsWith('---')) continue;
paragraphs.push(trimmed);
if (paragraphs.join('\n').length > 1200) break;
}
content = paragraphs.join('\n');
return { title, author, content };
}
function compressTitle(title: string, maxLen = 20): string {
if (title.length <= maxLen) return title;
const prefixes = ['如何', '为什么', '什么是', '怎样', '怎么', '关于'];
let t = title;
for (const p of prefixes) {
if (t.startsWith(p) && t.length > maxLen) {
t = t.slice(p.length);
if (t.length <= maxLen) return t;
}
}
const fillers = ['的', '了', '在', '是', '和', '与', '以及', '或者', '或', '还是', '而且', '并且', '但是', '但', '因为', '所以', '如果', '那么', '虽然', '不过', '然而', '——', '…'];
for (const f of fillers) {
if (t.length <= maxLen) break;
t = t.replace(new RegExp(f, 'g'), '');
}
if (t.length > maxLen) t = t.slice(0, maxLen);
return t;
}
function compressContent(content: string, maxLen = 1000): string {
if (content.length <= maxLen) return content;
const lines = content.split('\n');
const result: string[] = [];
let len = 0;
for (const line of lines) {
if (len + line.length + 1 > maxLen) {
const remaining = maxLen - len - 1;
if (remaining > 20) result.push(line.slice(0, remaining - 3) + '...');
break;
}
result.push(line);
len += line.length + 1;
}
return result.join('\n');
}
async function loadImagesFromDir(dir: string): Promise<string[]> {
const entries = await readdir(dir);
const images = entries
.filter(f => /\.(png|jpg|jpeg|gif|webp)$/i.test(f))
.sort()
.map(f => path.join(dir, f));
return images;
}
function sleep(ms: number): Promise<void> {
return new Promise((resolve) => setTimeout(resolve, ms));
}
async function getFreePort(): Promise<number> {
return new Promise((resolve, reject) => {
const server = net.createServer();
server.unref();
server.on('error', reject);
server.listen(0, '127.0.0.1', () => {
const address = server.address();
if (!address || typeof address === 'string') {
server.close(() => reject(new Error('Unable to allocate a free TCP port.')));
return;
}
const port = address.port;
server.close((err) => {
if (err) reject(err);
else resolve(port);
});
});
});
}
function findChromeExecutable(): string | undefined {
const override = process.env.WECHAT_BROWSER_CHROME_PATH?.trim();
if (override && fs.existsSync(override)) return override;
const candidates: string[] = [];
switch (process.platform) {
case 'darwin':
candidates.push(
'/Applications/Google Chrome.app/Contents/MacOS/Google Chrome',
'/Applications/Google Chrome Canary.app/Contents/MacOS/Google Chrome Canary',
'/Applications/Google Chrome Beta.app/Contents/MacOS/Google Chrome Beta',
'/Applications/Chromium.app/Contents/MacOS/Chromium',
'/Applications/Microsoft Edge.app/Contents/MacOS/Microsoft Edge',
);
break;
case 'win32':
candidates.push(
'C:\\Program Files\\Google\\Chrome\\Application\\chrome.exe',
'C:\\Program Files (x86)\\Google\\Chrome\\Application\\chrome.exe',
'C:\\Program Files\\Microsoft\\Edge\\Application\\msedge.exe',
'C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\msedge.exe',
);
break;
default:
candidates.push(
'/usr/bin/google-chrome',
'/usr/bin/google-chrome-stable',
'/usr/bin/chromium',
'/usr/bin/chromium-browser',
'/snap/bin/chromium',
'/usr/bin/microsoft-edge',
);
break;
}
for (const p of candidates) {
if (fs.existsSync(p)) return p;
}
return undefined;
}
function getDefaultProfileDir(): string {
const base = process.env.XDG_DATA_HOME || path.join(os.homedir(), '.local', 'share');
return path.join(base, 'wechat-browser-profile');
}
async function fetchJson<T = unknown>(url: string): Promise<T> {
const res = await fetch(url, { redirect: 'follow' });
if (!res.ok) throw new Error(`Request failed: ${res.status} ${res.statusText}`);
return (await res.json()) as T;
}
async function waitForChromeDebugPort(port: number, timeoutMs: number): Promise<string> {
const start = Date.now();
let lastError: unknown = null;
while (Date.now() - start < timeoutMs) {
try {
const version = await fetchJson<{ webSocketDebuggerUrl?: string }>(`http://127.0.0.1:${port}/json/version`);
if (version.webSocketDebuggerUrl) return version.webSocketDebuggerUrl;
lastError = new Error('Missing webSocketDebuggerUrl');
} catch (error) {
lastError = error;
}
await sleep(200);
}
throw new Error(`Chrome debug port not ready: ${lastError instanceof Error ? lastError.message : String(lastError)}`);
}
class CdpConnection {
private ws: WebSocket;
private nextId = 0;
private pending = new Map<number, { resolve: (v: unknown) => void; reject: (e: Error) => void; timer: ReturnType<typeof setTimeout> | null }>();
private eventHandlers = new Map<string, Set<(params: unknown) => void>>();
private constructor(ws: WebSocket) {
this.ws = ws;
this.ws.addEventListener('message', (event) => {
try {
const data = typeof event.data === 'string' ? event.data : new TextDecoder().decode(event.data as ArrayBuffer);
const msg = JSON.parse(data) as { id?: number; method?: string; params?: unknown; result?: unknown; error?: { message?: string } };
if (msg.method) {
const handlers = this.eventHandlers.get(msg.method);
if (handlers) handlers.forEach((h) => h(msg.params));
}
if (msg.id) {
const pending = this.pending.get(msg.id);
if (pending) {
this.pending.delete(msg.id);
if (pending.timer) clearTimeout(pending.timer);
if (msg.error?.message) pending.reject(new Error(msg.error.message));
else pending.resolve(msg.result);
}
}
} catch {}
});
this.ws.addEventListener('close', () => {
for (const [id, pending] of this.pending.entries()) {
this.pending.delete(id);
if (pending.timer) clearTimeout(pending.timer);
pending.reject(new Error('CDP connection closed.'));
}
});
}
static async connect(url: string, timeoutMs: number): Promise<CdpConnection> {
const ws = new WebSocket(url);
await new Promise<void>((resolve, reject) => {
const timer = setTimeout(() => reject(new Error('CDP connection timeout.')), timeoutMs);
ws.addEventListener('open', () => { clearTimeout(timer); resolve(); });
ws.addEventListener('error', () => { clearTimeout(timer); reject(new Error('CDP connection failed.')); });
});
return new CdpConnection(ws);
}
on(method: string, handler: (params: unknown) => void): void {
if (!this.eventHandlers.has(method)) this.eventHandlers.set(method, new Set());
this.eventHandlers.get(method)!.add(handler);
}
async send<T = unknown>(method: string, params?: Record<string, unknown>, options?: { sessionId?: string; timeoutMs?: number }): Promise<T> {
const id = ++this.nextId;
const message: Record<string, unknown> = { id, method };
if (params) message.params = params;
if (options?.sessionId) message.sessionId = options.sessionId;
const timeoutMs = options?.timeoutMs ?? 15_000;
const result = await new Promise<unknown>((resolve, reject) => {
const timer = timeoutMs > 0 ? setTimeout(() => { this.pending.delete(id); reject(new Error(`CDP timeout: ${method}`)); }, timeoutMs) : null;
this.pending.set(id, { resolve, reject, timer });
this.ws.send(JSON.stringify(message));
});
return result as T;
}
close(): void {
try { this.ws.close(); } catch {}
}
}
interface WeChatBrowserOptions {
title?: string;
content?: string;
images?: string[];
imagesDir?: string;
markdownFile?: string;
submit?: boolean;
timeoutMs?: number;
profileDir?: string;
chromePath?: string;
}
export async function postToWeChat(options: WeChatBrowserOptions): Promise<void> {
const { submit = false, timeoutMs = 120_000, profileDir = getDefaultProfileDir() } = options;
let title = options.title || '';
let content = options.content || '';
let images = options.images || [];
if (options.markdownFile) {
const absPath = path.isAbsolute(options.markdownFile) ? options.markdownFile : path.resolve(process.cwd(), options.markdownFile);
if (!fs.existsSync(absPath)) throw new Error(`Markdown file not found: ${absPath}`);
const meta = parseMarkdownFile(absPath);
if (!title) title = meta.title;
if (!content) content = meta.content;
console.log(`[wechat-browser] Parsed markdown: title="${meta.title}", content=${meta.content.length} chars`);
}
if (options.imagesDir) {
const absDir = path.isAbsolute(options.imagesDir) ? options.imagesDir : path.resolve(process.cwd(), options.imagesDir);
if (!fs.existsSync(absDir)) throw new Error(`Images directory not found: ${absDir}`);
images = await loadImagesFromDir(absDir);
console.log(`[wechat-browser] Found ${images.length} images in ${absDir}`);
}
if (title.length > 20) {
const original = title;
title = compressTitle(title, 20);
console.log(`[wechat-browser] Title compressed: "${original}" → "${title}"`);
}
if (content.length > 1000) {
const original = content.length;
content = compressContent(content, 1000);
console.log(`[wechat-browser] Content compressed: ${original}${content.length} chars`);
}
if (!title) throw new Error('Title is required (use --title or --markdown)');
if (!content) throw new Error('Content is required (use --content or --markdown)');
if (images.length === 0) throw new Error('At least one image is required (use --image or --images)');
for (const img of images) {
if (!fs.existsSync(img)) throw new Error(`Image not found: ${img}`);
}
const chromePath = options.chromePath ?? findChromeExecutable();
if (!chromePath) throw new Error('Chrome not found. Set WECHAT_BROWSER_CHROME_PATH env var.');
await mkdir(profileDir, { recursive: true });
const port = await getFreePort();
console.log(`[wechat-browser] Launching Chrome (profile: ${profileDir})`);
const chrome = spawn(chromePath, [
`--remote-debugging-port=${port}`,
`--user-data-dir=${profileDir}`,
'--no-first-run',
'--no-default-browser-check',
'--disable-blink-features=AutomationControlled',
'--start-maximized',
WECHAT_URL,
], { stdio: 'ignore' });
let cdp: CdpConnection | null = null;
try {
const wsUrl = await waitForChromeDebugPort(port, 30_000);
cdp = await CdpConnection.connect(wsUrl, 30_000);
const targets = await cdp.send<{ targetInfos: Array<{ targetId: string; url: string; type: string }> }>('Target.getTargets');
let pageTarget = targets.targetInfos.find((t) => t.type === 'page' && t.url.includes('mp.weixin.qq.com'));
if (!pageTarget) {
const { targetId } = await cdp.send<{ targetId: string }>('Target.createTarget', { url: WECHAT_URL });
pageTarget = { targetId, url: WECHAT_URL, type: 'page' };
}
let { sessionId } = await cdp.send<{ sessionId: string }>('Target.attachToTarget', { targetId: pageTarget.targetId, flatten: true });
await cdp.send('Page.enable', {}, { sessionId });
await cdp.send('Runtime.enable', {}, { sessionId });
await cdp.send('DOM.enable', {}, { sessionId });
console.log('[wechat-browser] Waiting for page load...');
await sleep(3000);
const checkLoginStatus = async (): Promise<boolean> => {
const result = await cdp!.send<{ result: { value: string } }>('Runtime.evaluate', {
expression: `window.location.href`,
returnByValue: true,
}, { sessionId });
return result.result.value.includes('/cgi-bin/home');
};
const waitForLogin = async (): Promise<boolean> => {
const start = Date.now();
while (Date.now() - start < timeoutMs) {
if (await checkLoginStatus()) return true;
await sleep(2000);
}
return false;
};
let isLoggedIn = await checkLoginStatus();
if (!isLoggedIn) {
console.log('[wechat-browser] Not logged in. Please scan QR code to log in...');
isLoggedIn = await waitForLogin();
if (!isLoggedIn) throw new Error('Timed out waiting for login. Please log in first.');
}
console.log('[wechat-browser] Logged in.');
await sleep(2000);
console.log('[wechat-browser] Looking for "贴图" menu...');
const menuResult = await cdp.send<{ result: { value: string } }>('Runtime.evaluate', {
expression: `
const menuItems = document.querySelectorAll('.new-creation__menu .new-creation__menu-item');
const count = menuItems.length;
const texts = Array.from(menuItems).map(m => m.querySelector('.new-creation__menu-title')?.textContent?.trim() || m.textContent?.trim() || '');
JSON.stringify({ count, texts });
`,
returnByValue: true,
}, { sessionId });
console.log(`[wechat-browser] Menu items: ${menuResult.result.value}`);
const getTargets = async () => {
return await cdp!.send<{ targetInfos: Array<{ targetId: string; url: string; type: string }> }>('Target.getTargets');
};
const initialTargets = await getTargets();
const initialIds = new Set(initialTargets.targetInfos.map(t => t.targetId));
console.log(`[wechat-browser] Initial targets count: ${initialTargets.targetInfos.length}`);
console.log('[wechat-browser] Finding "贴图" menu position...');
const menuPos = await cdp.send<{ result: { value: string } }>('Runtime.evaluate', {
expression: `
(function() {
const menuItems = document.querySelectorAll('.new-creation__menu .new-creation__menu-item');
console.log('Found menu items:', menuItems.length);
for (const item of menuItems) {
const title = item.querySelector('.new-creation__menu-title');
const text = title?.textContent?.trim() || '';
console.log('Menu item text:', text);
if (text === '图文' || text === '贴图') {
item.scrollIntoView({ block: 'center' });
const rect = item.getBoundingClientRect();
console.log('Found 贴图,rect:', JSON.stringify(rect));
return JSON.stringify({ x: rect.x + rect.width / 2, y: rect.y + rect.height / 2, width: rect.width, height: rect.height });
}
}
return 'null';
})()
`,
returnByValue: true,
}, { sessionId });
console.log(`[wechat-browser] Menu position: ${menuPos.result.value}`);
const pos = menuPos.result.value !== 'null' ? JSON.parse(menuPos.result.value) : null;
if (!pos) throw new Error('贴图 menu not found or not visible');
console.log('[wechat-browser] Clicking "贴图" menu with mouse events...');
await cdp.send('Input.dispatchMouseEvent', {
type: 'mousePressed',
x: pos.x,
y: pos.y,
button: 'left',
clickCount: 1,
}, { sessionId });
await sleep(100);
await cdp.send('Input.dispatchMouseEvent', {
type: 'mouseReleased',
x: pos.x,
y: pos.y,
button: 'left',
clickCount: 1,
}, { sessionId });
console.log('[wechat-browser] Waiting for editor...');
await sleep(3000);
const waitForEditor = async (): Promise<{ targetId: string; isNewTab: boolean } | null> => {
const start = Date.now();
while (Date.now() - start < 30_000) {
const targets = await getTargets();
const pageTargets = targets.targetInfos.filter(t => t.type === 'page');
for (const t of pageTargets) {
console.log(`[wechat-browser] Target: ${t.url}`);
}
const newTab = pageTargets.find(t => !initialIds.has(t.targetId) && t.url.includes('mp.weixin.qq.com'));
if (newTab) {
console.log(`[wechat-browser] Found new tab: ${newTab.url}`);
return { targetId: newTab.targetId, isNewTab: true };
}
const editorTab = pageTargets.find(t => t.url.includes('appmsg'));
if (editorTab) {
console.log(`[wechat-browser] Found editor tab: ${editorTab.url}`);
return { targetId: editorTab.targetId, isNewTab: !initialIds.has(editorTab.targetId) };
}
const currentUrl = await cdp!.send<{ result: { value: string } }>('Runtime.evaluate', {
expression: `window.location.href`,
returnByValue: true,
}, { sessionId });
console.log(`[wechat-browser] Current page URL: ${currentUrl.result.value}`);
if (currentUrl.result.value.includes('appmsg')) {
console.log(`[wechat-browser] Current page navigated to editor`);
return { targetId: pageTarget!.targetId, isNewTab: false };
}
await sleep(1000);
}
return null;
};
const editorInfo = await waitForEditor();
if (!editorInfo) {
const finalTargets = await getTargets();
console.log(`[wechat-browser] Final targets: ${finalTargets.targetInfos.filter(t => t.type === 'page').map(t => t.url).join(', ')}`);
throw new Error('Editor not found.');
}
if (editorInfo.isNewTab) {
console.log('[wechat-browser] Switching to editor tab...');
const editorSession = await cdp.send<{ sessionId: string }>('Target.attachToTarget', { targetId: editorInfo.targetId, flatten: true });
sessionId = editorSession.sessionId;
await cdp.send('Page.enable', {}, { sessionId });
await cdp.send('Runtime.enable', {}, { sessionId });
await cdp.send('DOM.enable', {}, { sessionId });
} else {
console.log('[wechat-browser] Editor opened in current page');
}
await cdp.send('Page.enable', {}, { sessionId });
await cdp.send('Runtime.enable', {}, { sessionId });
await cdp.send('DOM.enable', {}, { sessionId });
await sleep(2000);
console.log('[wechat-browser] Uploading all images at once...');
const absolutePaths = images.map(p => path.isAbsolute(p) ? p : path.resolve(process.cwd(), p));
console.log(`[wechat-browser] Images: ${absolutePaths.join(', ')}`);
const { root } = await cdp.send<{ root: { nodeId: number } }>('DOM.getDocument', {}, { sessionId });
// Try primary selector, then fallback to any multi-file image input
let { nodeId } = await cdp.send<{ nodeId: number }>('DOM.querySelector', {
nodeId: root.nodeId,
selector: '.js_upload_btn_container input[type=file]',
}, { sessionId });
if (!nodeId) {
console.log('[wechat-browser] Primary file input not found, trying fallback selector...');
const fallback = await cdp.send<{ nodeId: number }>('DOM.querySelector', {
nodeId: root.nodeId,
selector: 'input[type=file][multiple][accept*="image"]',
}, { sessionId });
nodeId = fallback.nodeId;
}
if (!nodeId) throw new Error('File input not found');
await cdp.send('DOM.setFileInputFiles', {
nodeId,
files: absolutePaths,
}, { sessionId });
// Dispatch change event to trigger the upload
await cdp.send('Runtime.evaluate', {
expression: `
const fileInput = document.querySelector('.js_upload_btn_container input[type=file]') || document.querySelector('input[type=file][multiple][accept*="image"]');
if (fileInput) fileInput.dispatchEvent(new Event('change', { bubbles: true }));
`,
}, { sessionId });
// Wait for images to upload
console.log('[wechat-browser] Waiting for images to upload...');
const targetCount = absolutePaths.length;
for (let i = 0; i < 30; i++) {
await sleep(2000);
const uploadCheck = await cdp.send<{ result: { value: string } }>('Runtime.evaluate', {
expression: `
const thumbs = document.querySelectorAll('.weui-desktop-upload__thumb, .pic_item, [class*=upload_thumb]');
JSON.stringify({ uploaded: thumbs.length });
`,
returnByValue: true,
}, { sessionId });
const status = JSON.parse(uploadCheck.result.value);
console.log(`[wechat-browser] Upload progress: ${status.uploaded}/${targetCount}`);
if (status.uploaded >= targetCount) break;
}
console.log('[wechat-browser] Filling title...');
await cdp.send('Runtime.evaluate', {
expression: `
const titleInput = document.querySelector('#title');
if (titleInput) {
titleInput.value = ${JSON.stringify(title)};
titleInput.dispatchEvent(new Event('input', { bubbles: true }));
} else {
throw new Error('Title input not found');
}
`,
}, { sessionId });
await sleep(500);
console.log('[wechat-browser] Filling content...');
// Try ProseMirror editor first (new WeChat UI), then fallback to old editor
const contentResult = await cdp.send<{ result: { value: string } }>('Runtime.evaluate', {
expression: `
(function() {
const contentHtml = ${JSON.stringify('<p>' + content.split('\n').filter(l => l.trim()).join('</p><p>') + '</p>')};
// New UI: ProseMirror contenteditable
const pm = document.querySelector('.ProseMirror[contenteditable=true]');
if (pm) {
pm.innerHTML = contentHtml;
pm.dispatchEvent(new Event('input', { bubbles: true }));
return 'ProseMirror: content set, length=' + pm.textContent.length;
}
// Old UI: .js_pmEditorArea
const oldEditor = document.querySelector('.js_pmEditorArea');
if (oldEditor) {
return JSON.stringify({ type: 'old', x: oldEditor.getBoundingClientRect().x + 50, y: oldEditor.getBoundingClientRect().y + 20 });
}
return 'editor_not_found';
})()
`,
returnByValue: true,
}, { sessionId });
const contentStatus = contentResult.result.value;
console.log(`[wechat-browser] Content result: ${contentStatus}`);
if (contentStatus === 'editor_not_found') {
throw new Error('Content editor not found');
}
// Fallback: old editor uses keyboard simulation
if (contentStatus.startsWith('{')) {
const editorClickPos = JSON.parse(contentStatus);
if (editorClickPos.type === 'old') {
console.log('[wechat-browser] Using old editor with keyboard simulation...');
await cdp.send('Input.dispatchMouseEvent', {
type: 'mousePressed',
x: editorClickPos.x,
y: editorClickPos.y,
button: 'left',
clickCount: 1,
}, { sessionId });
await sleep(50);
await cdp.send('Input.dispatchMouseEvent', {
type: 'mouseReleased',
x: editorClickPos.x,
y: editorClickPos.y,
button: 'left',
clickCount: 1,
}, { sessionId });
await sleep(300);
const lines = content.split('\n');
for (let i = 0; i < lines.length; i++) {
const line = lines[i];
if (line!.length > 0) {
await cdp.send('Input.insertText', { text: line }, { sessionId });
}
if (i < lines.length - 1) {
await cdp.send('Input.dispatchKeyEvent', {
type: 'keyDown',
key: 'Enter',
code: 'Enter',
windowsVirtualKeyCode: 13,
}, { sessionId });
await cdp.send('Input.dispatchKeyEvent', {
type: 'keyUp',
key: 'Enter',
code: 'Enter',
windowsVirtualKeyCode: 13,
}, { sessionId });
}
await sleep(50);
}
console.log('[wechat-browser] Content typed via keyboard.');
}
}
await sleep(500);
if (submit) {
console.log('[wechat-browser] Saving as draft...');
const submitResult = await cdp.send<{ result: { value: string } }>('Runtime.evaluate', {
expression: `
(function() {
// Try new UI: find button by text
const allBtns = document.querySelectorAll('button');
for (const btn of allBtns) {
const text = btn.textContent?.trim();
if (text === '保存为草稿') {
btn.click();
return 'clicked:保存为草稿';
}
}
// Fallback: old UI selector
const oldBtn = document.querySelector('#js_submit');
if (oldBtn) {
oldBtn.click();
return 'clicked:#js_submit';
}
// List available buttons for debugging
const btnTexts = [];
allBtns.forEach(b => {
const t = b.textContent?.trim();
if (t && t.length < 20) btnTexts.push(t);
});
return 'not_found:' + btnTexts.join(',');
})()
`,
returnByValue: true,
}, { sessionId });
console.log(`[wechat-browser] Submit result: ${submitResult.result.value}`);
await sleep(3000);
// Verify save success by checking for toast
const toastCheck = await cdp.send<{ result: { value: string } }>('Runtime.evaluate', {
expression: `
const toasts = document.querySelectorAll('.weui-desktop-toast, [class*=toast]');
const msgs = [];
toasts.forEach(t => { const text = t.textContent?.trim(); if (text) msgs.push(text); });
JSON.stringify(msgs);
`,
returnByValue: true,
}, { sessionId });
console.log(`[wechat-browser] Toast messages: ${toastCheck.result.value}`);
console.log('[wechat-browser] Draft saved!');
} else {
console.log('[wechat-browser] Article composed (preview mode). Add --submit to save as draft.');
}
} finally {
if (cdp) {
cdp.close();
}
console.log('[wechat-browser] Done. Browser window left open.');
}
}
function printUsage(): never {
console.log(`Post image-text (贴图) to WeChat Official Account
Usage:
npx -y bun wechat-browser.ts [options]
Options:
--markdown <path> Markdown file for title/content extraction
--images <dir> Directory containing images (PNG/JPG)
--title <text> Article title (max 20 chars, auto-compressed)
--content <text> Article content (max 1000 chars, auto-compressed)
--image <path> Add image (can be repeated)
--submit Save as draft (default: preview only)
--profile <dir> Chrome profile directory
--help Show this help
Examples:
npx -y bun wechat-browser.ts --markdown article.md --images ./photos/
npx -y bun wechat-browser.ts --title "测试" --content "内容" --image ./photo.png
npx -y bun wechat-browser.ts --markdown article.md --images ./photos/ --submit
`);
process.exit(0);
}
async function main(): Promise<void> {
const args = process.argv.slice(2);
if (args.includes('--help') || args.includes('-h')) printUsage();
const images: string[] = [];
let submit = false;
let profileDir: string | undefined;
let title: string | undefined;
let content: string | undefined;
let markdownFile: string | undefined;
let imagesDir: string | undefined;
for (let i = 0; i < args.length; i++) {
const arg = args[i]!;
if (arg === '--image' && args[i + 1]) {
images.push(args[++i]!);
} else if (arg === '--images' && args[i + 1]) {
imagesDir = args[++i];
} else if (arg === '--title' && args[i + 1]) {
title = args[++i];
} else if (arg === '--content' && args[i + 1]) {
content = args[++i];
} else if (arg === '--markdown' && args[i + 1]) {
markdownFile = args[++i];
} else if (arg === '--submit') {
submit = true;
} else if (arg === '--profile' && args[i + 1]) {
profileDir = args[++i];
}
}
if (!markdownFile && !title) {
console.error('Error: --title or --markdown is required');
process.exit(1);
}
if (!markdownFile && !content) {
console.error('Error: --content or --markdown is required');
process.exit(1);
}
if (images.length === 0 && !imagesDir) {
console.error('Error: --image or --images is required');
process.exit(1);
}
await postToWeChat({ title, content, images: images.length > 0 ? images : undefined, imagesDir, markdownFile, submit, profileDir });
}
await main().catch((err) => {
console.error(`Error: ${err instanceof Error ? err.message : String(err)}`);
process.exit(1);
});