node.js

How to exclude entity field from returned by controller JSON. NestJS + Typeorm

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I’d suggest creating an interceptor that takes advantage of the class-transformer library: @Injectable() export class TransformInterceptor implements NestInterceptor { intercept( context: ExecutionContext, call$: Observable<any>, ): Observable<any> { return call$.pipe(map(data => classToPlain(data))); } } Then, simply exclude properties using @Exclude() decorator, for example: import { Exclude } from ‘class-transformer’; export class User { id: number; email: … Read more

Heroku + node.js: I have a server which uses multiple ports. How can I get Heroku to allocate them?

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Okay, after doing some research I’ve found out that opening ports in Heroku is disabled and not allowed. The only way around this is to use sub-domains and then in-app to use a proxy module (like subdomain-router which I use). BUT – Heroku don’t let you create sub-domains on their domain, meaning that your-app.herokuapp.com is … Read more

how to list rooms on socket.io nodejs server

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The short answer: io.sockets.adapter.rooms I analysed io: I got the following output: { server: { stack: [ [Object], [Object], [Object], [Object], [Object], [Object] ], connections: 3, allowHalfOpen: true, watcher: { host: [Circular], callback: [Function] }, _events: { request: [Function], connection: [Function: connectionListener], listening: [Object], upgrade: [Object] }, httpAllowHalfOpen: false, cache: {}, settings: { home: “https://stackoverflow.com/”, … Read more

“npm install” installs all dependencies in node_modules directory, instead of having them nested

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Update: As Erik Pukinskis mentioned in the comments: As of npm 3.5, support for –legacy-bundling has been dropped. Yes, there is a way to have nested directories again by changing npm’s (version 3 as of this writing) default behaviour: Delete the currently present node_modules folder. Tell npm to install with legacy bundling for this one … Read more

React app error: Failed to construct ‘WebSocket’: An insecure WebSocket connection may not be initiated from a page loaded over HTTPS

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For folks waiting for react-scripts for a patch: For local testing over https, you can manually edit node_modules/react-dev-utils/webpackHotDevClient.js Here’s the code you’ll want at line 62 of that file: protocol: window.location.protocol === ‘https:’ ? ‘wss’ : ‘ws’, For deployment follow below steps: npm install -g serve // This can be done locally too npm run … Read more

Nodemailer/Gmail – What exactly is a refresh token and how do I get one?

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Notes by this answer original’s author: So, I finally managed to figure it out. I’m surprised I couldn’t find more ressources about that so for those who need to use Gmail with Nodemailer I found the answer here: http://masashi-k.blogspot.fr/2013/06/sending-mail-with-gmail-using-xoauth2.html Try creating a new User if you already had one and things ain’t working fine. It … Read more

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)