LoopBack makes it easy to build modern applications that require complex integrations.

• Fast, small, powerful, extensible core
• Generate real APIs with a single command
• Define your data and endpoints with OpenAPI
• No maintenance of generated code

Make sure you have the following installed:

• Node.js >= 7.0.0
• TypeScript >= 2.0.0 npm i -g typescript
• TypeScript Node >= 3.0.0 npm i -g ts-node

Then:

git clone https://github.com/strongloop/loopback-next.git
cd loopback-next
npm install
npm run bootstrap
npm test
# proceed to creating index.ts

A basic controller:

export class UserController {
  async getUserByName(username: string): Promise<UserResponse> {
    const users = new UserRepository();
    const user = await users.findOne({where: {username: username}});
    if (!user) {
      throw createHttpError.NotFound(`User ${username} not found.`);
    }
    return new UserResponse(user);
  }
}

See loopback-next-example for more.

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• FAQ
• LoopBack 3 vs LoopBack 4
• Official documentation
• Tutorials and examples

Ritchie Martori	Raymond Feng	Miroslav Bajtos	Rand McKinney	Simon Ho

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