NestJS tip: how to inject multiple versions of the same provider into one module (e.g.: many Axios instances)

• http.cat

  69 2,718 7.4 TypeScript

  :cat: HTTP Cats API

  

import { Module, OnModuleInit } from '@nestjs/common' import { HttpModule, HttpService } from '@nestjs/axios' import { CatApi } from './cat-api.service' @Module({ imports: [ HttpModule.register({ // line A timeout: 1_000, maxRedirects: 2, baseURL: 'https://http.cat', }), ], providers: [ { provide: CatApi, useExisting: HttpService, // line B } ], exports: [CatApi], // line C }) export class CatApiModule implements OnModuleInit { constructor(private readonly httpService: HttpService) {} onModuleInit() { this.httpService.axiosRef.defaults.headers.common['Accept'] = 'application/json' } }

• axios

  4 202 9.4 TypeScript

  Axios module for Nest framework (node.js) 🗂 (by nestjs)

  

For example, when using the HttpModule module from @nestjs/axios we can use the dynamic module HttpModule.register() to configure our Axios instance. That module exposes a HttpService that has such configuration. But what if we want to have many Axios instances, each one with its own config and import everything in one module?

• SurveyJS

  surveyjs.io featured

  Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.

  

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