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Project Status

Scalecube v0.2.x is stable, the API will be supported until 1.1.2021.
We want to collect feedback from the community before releasing 1.x.x but we don't foresee any majors API change.
If you have any feedback please open issue

Scalecube-js

Scalecube is a toolkit for creating microservices/micro-frontends based systems.
Full documentation

quick start

We provide browser and NODE templates, configured and ready for use

yarn add @scalecube/browser or npm i @scalecube/browser

import { createMicroservice, ASYNC_MODEL_TYPES } from '@scalecube/browser';

yarn add @scalecube/node or npm i @scalecube/node

import { createMicroservice, ASYNC_MODEL_TYPES } from '@scalecube/node';

Advanced

You can create your own customized setup, for more details: go to Microservice:

Usage (Browser and node)

create a seed

// node - supported WS, WSS and TCP
export const MySeedAddress: 'ws://localhost:8000';
// Browser - under browser post message will be used as transport
export const MySeedAddress: 'seed';

// Create a service
createMicroservice({
   address : MySeedAddress
});

Create a service

// Create service definition
export const greetingServiceDefinition = {
  serviceName: 'GreetingService',
  methods: { 
    hello: {
      asyncModel: ASYNC_MODEL_TYPES.REQUEST_RESPONSE,
    }
  },
};
// Create a service
createMicroservice({
  service : [{
    definition: greetingServiceDefinition,
    reference: {
      hello : (name) => `Hello ${name}`
    }, 
   }],
   seedAddress : MySeedAddress
});

Use a service

const microservice = createMicroservice({seedAddress : MySeedAddress})

// With proxy
const greetingService = microservice.createProxy({
    serviceDefinition: greetingServiceDefinition
});

greetingService.hello('ME').then(console.log) // Hello ME

*We let Scalecube choose our addresses for us, we know only the seed address.
After we connected to the seed we will see the whole cluster. In the browser we don't need to import modules, we can create multiple bundles, scalecube will discover the available services

*NOTICE For Node you have to set addresses, there isn't any default at the moment

Dependency Injection

createMicroservice({
  seedAddress : MySeedAddress,
  services: [
    {
      definition: serviceB,
      reference: ({ createProxy, createServiceCall }) => {
        const greetingService = createProxy({serviceDefinition: greetingServiceDefinition });

        return new ServiceB(greetingService);
      }
    }    
  ]
})

For more examples go to examples or full documentation

Scalecube tools

Router,
Discovery,
Transport-browser,
Transport-nodejs,
Gateway,
Cluster-browser,
Cluster-nodejs.

Version

MAJOR version when you make incompatible API changes,

MINOR version when you add functionality in a backwards-compatible manner, and

PATCH version when you make backwards-compatible bug fixes.

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