Wechaty is imported as a type in typescript. about wechaty

[dosubot]

🤖

Hey @liuhq! Great to see you back here. Hope you've been doing well!

I see that you're having trouble instantiating Wechaty in your TypeScript code. This is because Wechaty is being exported as a type, not as a class or function. In TypeScript, types are used for static type checking and do not exist at runtime, hence they cannot be instantiated.

If you want to create an instance of 'Wechaty', you should be using WechatyImpl or WechatySkeleton, which are exported as classes. Here's how you can instantiate WechatyImpl or WechatySkeleton:

import { WechatyImpl, WechatySkeleton } from 'src/wechaty/mod.ts';

const wechatyImpl = new WechatyImpl();
const wechatySkeleton = new WechatySkeleton();

Please note that you might need to pass some arguments to the constructor depending on the implementation of WechatyImpl and WechatySkeleton. You can refer to the source code here for more details.

However, the recommended way to instantiate Wechaty in your code is by using WechatyBuilder.build(). Here's an example:

import { WechatyBuilder } from 'wechaty'

const bot = WechatyBuilder.build()

bot.on('scan',    (qrCode, status) => console.log('https://wechaty.js.org/qrcode/' + encodeURIComponent(qrcode)))
bot.on('login',   user => console.log(`User ${user} logged in`))
bot.on('message', message => console.log(`Message: ${message}`))

bot.start()

In this example, WechatyBuilder.build() is used to create a new instance of Wechaty. Then, several event listeners are attached to the bot: 'scan', 'login', and 'message'. Finally, bot.start() is called to start the bot. You can refer to the source code here for more details.

I hope this helps! If you have any other questions, feel free to ask.

Sources

• 'UrlLink' only refers to a type, but is being used as a value here.
• src/wechaty/mod.ts
• src/wechaty/wechaty-base.ts

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[Zeng95]

The building the bot section of the beginner-friendly tutorial needs updates.

The recommended way to instantiate Wechaty is by using WechatyBuilder.build().

import { WechatyBuilder } from 'wechaty'

// Initializing bot
const bot = WechatyBuilder.build();

// Handle events of bot
bot.on('scan', onScan);
bot.on('login', onLogin);
bot.on('logout', onLogout);
bot.on('message', onMessage);

// Start bot
bot.start();

[huan]

I’d love to accept a PR for fixing that.

[liuhq]

The building the bot section of the beginner-friendly tutorial needs updates.

The recommended way to instantiate Wechaty is by using WechatyBuilder.build().

import { WechatyBuilder } from 'wechaty'

// Initializing bot
const bot = WechatyBuilder.build();

// Handle events of bot
bot.on('scan', onScan);
bot.on('login', onLogin);
bot.on('logout', onLogout);
bot.on('message', onMessage);

// Start bot
bot.start();

Thx! It works fine.

[huan]

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