@rxdi/main v0.0.1

Powerfull dependency injection with typescript and rxjs 6

Installation and basic examples:

To install this library, run:

npm install @rxdi/core

Simplest app

main.ts

import { Bootstrap } from '@rxdi/core';
import { AppModule } from './app/app.module';

Bootstrap(AppModule, {
    init: true,
    logger: {
        logging: true,
        date: true,
        hashes: true,
        exitHandler: true,
        fileService: true
    }
})
.subscribe(
    () => console.log('Started!'),
    (e) => console.error(e)
);

app.module.ts

import { Module } from "@rxdi/core";
import { UserModule } from './user/user.module';

@Module({
    imports: [UserModule]
})
export class AppModule {}

user.module.ts

import { Module } from '@rxdi/core';
import { UserService } from './services';
import { Observable } from 'rxjs';

@Module({
    services: [
        UserService,
        {
            provide: 'createUniqueHash',
            useDynamic: {
                fileName: 'createUniqueHash',
                namespace: '@helpers',
                extension: 'js',
                typings: '',
                outputFolder: '/node_modules/',
                link: 'https://ipfs.infura.io/ipfs/QmdQtC3drfQ6M6GFpDdrhYRKoky8BycKzWbTkc4NEzGLug'
            }
        },
        {
            provide: 'testFactoryAsync',
            lazy: true,
            useFactory: async () => {
                return new Promise((resolve) => {
                    setTimeout(() => resolve('dad2a'), 0);
                })
            }
        },
        {
            provide: 'testFactorySync',
            useFactory: () => {
                return 'dada';
            }
        },
        {
            provide: 'testValue2',
            useValue: 'dadada'
        },
        {
            provide: 'testChainableFactoryFunction',
            // lazy: true, if you don't provide lazy parameter your factory will remain Observable so you can chain it inside constructor
            useFactory: () => new Observable(o => o.next(15))
        },
    ]
})
export class UserModule {}

user.service.ts

import { Service, Inject } from "@rxdi/core";
import { Observable } from "rxjs";
import { map } from "rxjs/operators";

@Service()
export class UserService {
    constructor(
        @Inject('createUniqueHash') private ipfsDownloadedFactory: { testKey: () => string },
        @Inject('testFactoryAsync') private testFactoryAsync: { testKey: () => string },
        @Inject('testChainableFactoryFunction') private chainableFactory: Observable<number>

    ) {
        console.log('UserService', this.ipfsDownloadedFactory.testKey(), this.testFactoryAsync);
        this.chainableFactory
            .pipe(
                map((res) => res)
            )
            .subscribe(value => console.log('Value chaining factory ', value));

    }
}

Result

1529604446114 Bootstrap -> @Module('AppModule')(adb785e839fa19736cea0920cd39b783): loading...
1529604446116 Bootstrap -> @Module('UserModule')(9ed4f039657f52019d2d9adb0f9df09f): loading...
1529604446118 Bootstrap -> @Module('UserModule')(9ed4f039657f52019d2d9adb0f9df09f): finished!
1529604446118 Bootstrap -> @Module('AppModule')(adb785e839fa19736cea0920cd39b783): finished!
1529604446119 Bootstrap -> @Service('createUniqueHash'): loading...
1529604446121 Bootstrap -> @Service('createUniqueHash'): will be downloaded inside ./node_modules/@helpers/createUniqueHash.js folder and loaded from there
1529604446121 Bootstrap -> @Service('createUniqueHash'): https://ipfs.infura.io/ipfs/QmdQtC3drfQ6M6GFpDdrhYRKoky8BycKzWbTkc4NEzGLug downloading...
1529604446137 Bootstrap -> @Service('testFactoryAsync'): loading...
1529604446146 Bootstrap -> @Service('testFactoryAsync'): loading finished! 21:07:26
1529604446795 Done!
1529604446797 Bootstrap: @Service('createUniqueHash.js'): Saved inside /home/rampage/Desktop/concept-starter/node_modules/@helpers
1529604446808 Bootstrap -> @Service('createUniqueHash'): loading finished! 21:07:26
1529604446810 Done!
1529604446811 Bootstrap: @Service('createUniqueHash.js'): Saved inside /home/rampage/Desktop/concept-starter/node_modules/@helpers
1529604446812 Bootstrap -> press start!
1529604446813 Start -> @Module('UserModule')(9ed4f039657f52019d2d9adb0f9df09f): @Service('UserService')(ea785b316b77dbfe5cb361a7cdcbcb31) initialized!
UserService TestKey dad2a
Value chaining factory  15
1529604446813 Start -> @Module('UserModule')(9ed4f039657f52019d2d9adb0f9df09f): loaded!
1529604446813 Start -> @Module('AppModule')(adb785e839fa19736cea0920cd39b783): loaded!
Started!
AppStopped

ForRoot configuration for modules

import { Module, ModuleWithServices, InjectionToken } from '@rxdi/core';

@Service()
export class MODULE_DI_CONFIG {
    text: string = 'Hello world';
}


export const MY_MODULE_CONFIG = new InjectionToken<MODULE_DI_CONFIG>('my-module-config');


@Module({
  imports: []
})
export class YourModule {
  public static forRoot(): ModuleWithServices {
    return {
      module: YourModule,
      services: [
          { provide: MY_MODULE_CONFIG, useValue: { text: 'Hello world' } },
          { provide: MY_MODULE_CONFIG, useClass: MODULE_DI_CONFIG },
          { 
            provide: MY_MODULE_CONFIG,
            useFactory: () => {
                return {text: 'Hello world'};
            }
          }
      ]
    }
  }
}