DtdlInterfaceInfo

dtdlom.js

// @ts-check
const filterMap = (om, dtmi, kind) =>  Object.entries(om).filter(e => e[1].EntityKind === kind && e[1].ChildOf === dtmi).map(e => e[1])
export class InterfaceInfo {
    constructor (om, dtmi) {
        /** @type import("./DtdlOM").DtdlObjectModel */
        this.om = om
        this.telemetries = filterMap(om, dtmi, "Telemetry")
        this.properties = filterMap(om, dtmi, "Property")
        this.commands = filterMap(om, dtmi, "Command")
        this.components = filterMap(om, dtmi, "Component")
    }
    compoTels = compoId => filterMap(this.om, compoId, "Telemetry")
    compoProps = compoId =>  filterMap(this.om, compoId, "Property")
    compoCmds =compoId =>  filterMap(this.om, compoId, "Command")
}

index.js

import { InterfaceInfo } from "./interfaceInfo.js"

const app = document.getElementById('app')
const myDtdlOM = await (await fetch('sample-om.json')).json()

const applog = (a, b) => {
    app.innerHTML += a + b + '\n'
}

const info = new InterfaceInfo(myDtdlOM, 'dtmi:samplesv3:Compos;1')
info.telemetries.forEach(t => applog('t:', t.name))
info.properties.forEach(p => applog('p:', p.name))
info.commands.forEach(c => applog('c:', c.name))
info.components.forEach(co => {
    applog('co:', co.name, co.schema)
    info.compoProps(co.schema).forEach(p => applog('  p:', p.name))
    info.compoTels(co.schema).forEach(t => applog('  t:', t.name))
    info.compoCmds(co.schema).forEach(c => applog('  c:', c.name))
})