Event Driven Async Modules

edam_module_index.js

// sampleModule/index.js
// =====================
// EDAM - Event Driven Async Module
// (Example / Skeleton) 
"use strict";
module.exports = (async ()=>{

    // Module-level definitions:
    const module_preferences = {
        p1: 10,
        p2: "sth",
    };

    // Main dependencies:
    const eventEmitter = require("events");
    // const mainDep1 = await require(…);
    // …

    // Submodules:
    const submodules = [
        require("./submodule1"),
        require("./submodule2"),
        /* … */
    ];

    // Module Core:
    class sampleModule_core extends eventEmitter {
        constructor(prefs) {
            super();
            Object.assign(this, prefs)
            /* … */
        };
        /* … */
    };

    // Parallel submodule mounting:
    return Object.assign(
        new sampleModule_core(module_preferences)
        , ...(await Promise.all(submodules))
    );

})();

submodule1.js

// sampleModule/submodule1.js
// ==========================
// EDAM Submodule Example
"use strict";

module.exports = (async ()=>{

    // Submodule dependencies:
    // const sbmDep1 = await require(…);
    // …

    return {
        triggerSomething() {
            this.emit("something");
        },
    };

})();

submodule2.js

// sampleModule/submodule2.js
// ==========================
// EDAM Submodule Example
"use strict";


module.exports = (async ()=>{

    // Submodule dependencies:
    // const sbmDep1 = await require(…);
    // …

    return {
        sayOnSomething(what) {
            this.on("something", ()=>console.log(what));
        },
    };

})();