typeormer's Introduction

TypeORMer

TypeORM helper

Installation

Using npm:
```
$ npm install typeorm typeormer
```
Using Yarn:
```
$ yarn add typeorm typeormer
```

Usage

entity/Task.ts

import { Entity, PrimaryColumn, Column } from 'typeorm'

@Entity()
export class Task {
  @PrimaryColumn()
  id: number

  @Column({ length: 100 })
  label: string

  @Column({ default: false })
  done: boolean
}

subscriber/TaskSubscriber.ts

import { EntitySubscriberInterface, EventSubscriber, InsertEvent } from 'typeorm'
import { Task } from '../entity/Task'

@EventSubscriber()
export class TaskSubscriber implements EntitySubscriberInterface<Task> {
  listenTo() {
    return Task
  }

  afterInsert(event: InsertEvent<Task>) {
    console.log(event)
  }
}

ormconfig.ts

import { ConnectionOptions } from 'typeorm'
import dotenv from 'dotenv'

dotenv.config()

const options: ConnectionOptions = {
  type: 'mysql',
  host: process.env.TYPEORM_HOST,
  username: process.env.TYPEORM_USERNAME,
  password: process.env.TYPEORM_PASSWORD,
  database: process.env.TYPEORM_DATABASE,
  port: Number(process.env.TYPEORM_PORT),
  synchronize: false,
  logging: false,
  entities: ['entity/**/*.ts'],
  migrations: ['migration/**/*.ts'],
  cli: {
    migrationsDir: 'migration'
  }
}

// @ts-ignore
export = options

package.json

{
  "scripts": {
    "migration:generate": "typeorm migration:generate -n Task",
    "typeormer": "typeormer"
  }
}

tarminal

$ npm run migration:generate # created migration/xxx-Task.ts
$ npm run typeormer # created $orm.ts

index.ts

import 'reflect-metadata'
import { createConnection } from 'typeorm'
import ormconfig from './ormconfig'
import options from './$orm'

const connection = await createConnection({
  ...ormconfig,
  ...options
})