communication-bus/src/events.js

Publisher subscriber library for communication in JS across components

import  EventSchemaMap from "./schema"

const register = (eventName, schema)=>{
    if(!eventName) throw new Error("Event name is required");
    if(EventSchemaMap[eventName]) throw new Error("Event name is already exist");

    EventSchemaMap[eventName] = schema;
    return true;
}

const deregister = (eventName)=>{
    if(!eventName) throw new Error("Event name is required");
    if(!EventSchemaMap[eventName]) throw new Error(`Event with ${eventName} doesn't exist`);
    delete EventSchemaMap[eventName];
}

const getSupportedEventList = ()=>{
    return Object.keys(EventSchemaMap);
}

const getSchemaByEventName = (eventName)=>{
    if(!eventName) throw new Error("Event name is required");
    if(!EventSchemaMap[eventName]) throw new Error(`Event with ${eventName} doesn't exist`);

    return EventSchemaMap[eventName]
}

export default {
    register,
    deregister,
    getSchemaByEventName,
    getSupportedEventList,
}