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@loopback/core
Advanced tools
Define and implement core constructs such as Application and Component
LoopBack makes it easy to build modern applications that require complex integrations.
$ npm install --save @loopback/core
@loopback/core
provides the foundation for your LoopBack app, but unlike
previous versions, it no longer contains the implementation for listening
servers.
For a typical example of how to create a REST server with your application, see the @loopback/rest package.
Since @loopback/core
is decoupled from the listening server implementation,
LoopBack applications are now able to work with any component that provides this
functionality.
// index.ts
import {Application} from '@loopback/core';
import {RestComponent} from '@loopback/rest';
import {GrpcComponent} from '@loopback/grpc';
const app = new Application({
rest: {
port: 3000,
},
grpc: {
port: 3001,
},
});
app.component(RestComponent); // REST Server
app.component(GrpcComponent)(
// GRPC Server
async function start() {
// Let's retrieve the bound instances of our servers.
const rest = await app.getServer<RestServer>('RestServer');
const grpc = await app.getServer<GrpcServer>('GrpcServer');
// Define all sorts of bindings here to pass configuration or data
// between your server instances, define controllers and datasources for them,
// etc...
await app.start(); // This automatically spins up all your servers, too!
console.log(`REST server running on port: ${rest.getSync('rest.port')}`);
console.log(`GRPC server running on port: ${grpc.getSync('grpc.port')}`);
},
)();
In the above example, having a GRPC server mounted on your Application could enable communication with other GRPC-enabled microservices, allowing things like dynamic configuration updates.
Run npm test
from the root folder.
See all contributors.
MIT
FAQs
Define and implement core constructs such as Application and Component
The npm package @loopback/core receives a total of 24,990 weekly downloads. As such, @loopback/core popularity was classified as popular.
We found that @loopback/core demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 7 open source maintainers collaborating on the project.
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