MongoDB Repository pattern for NodeJS written in TypeScript.
npm i mongtype --S
npm run build
Migrating from 2.X to 3.X Migrating from 1.X to 2.X
The DatabaseClient class provides a wrapper around a mongodb connection
It has a single method called connect that allows you to provide a uri to a MongoDB instance and optionally include an already established MongoClient.
import { DatabaseClient } from 'mongtype';
const uri = 'mongodb://localhost/Foo';
const dbc = new DatabaseClient();
// DatabaseClient manages the connection
dbc.connect(uri);
// DatabaseClient reuses an existing connection
dbc.connect(uri, mongoClient);import { MongoRepository, Collection, Pre, Post } from 'mongtype';
import { Injectable } from 'injection-js';
interface User {
name: string;
}
@Injectable()
@Collection({
name: 'user',
capped: true,
size: 10000
})
export class UserRepository extends MongoRepository<User> {
@Before('save')
doSomethingBeforeSave() {}
@After('save')
doSomethingAfterSave() { }
}
@Injectable()
export class App {
constructor(private userRepo: UserRepository) { }
async findUsers() {
const one = await this.userRepo.findById('3434-34-34343-3434');
const many = await this.userRepo.find({ conditions: { name: 'foo' } });
const newOne = await this.userRepo.create({ foo: true });
const updated = await this.userRepo.save(newOne);
}
}const dbc = new DatabaseClient();
dbc.connect('mongodb://your.mongo.url'); // optional existing connection as second arg
const svc = new UserRepository(dbc);
const one = await svc.findById('3434-34-34343-3434');
const many = await svc.find({ conditions: { name: 'foo' } });
const newOne = await svc.create({ foo: true });
const updated = await svc.save(newOne);MongType is a Swimlane open-source project; we believe in giving back to the open-source community by sharing some of the projects we build for our application. Swimlane is an automated cyber security operations and incident response platform that enables cyber security teams to leverage threat intelligence, speed up incident response and automate security operations.
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