app_vue2/store/sse.ts

import {MercureEntityUpdate, sseState} from "~/types/interfaces";
import {repositoryHelper} from "~/services/store/repository";
import {models} from "~/models/_import";

export const state = () => ({
  connected: false,
})

export const mutations = {
  setConnected(state: sseState, connected: boolean) {
    state.connected = connected
  },
  addEvent(state: sseState, event: MercureEntityUpdate) {

    switch (event.operation) {
      case "update":
        const matches = event.iri.match(/^\/api\/(\w+)\/.*/)
        if (!matches) {
          throw new Error('SSE: cannot parse the IRI')
        }
        const entityName = matches[1]

        let model = models.find(candidate => { return candidate.entity === entityName })
        if (!model) {
          throw new Error('SSE: no model found')
        }

        repositoryHelper.persist(model, JSON.parse(event.data))
        break

      case "create":
        break
      case "delete":
        break
      default:
        throw new Error('SSE: unknown operation type')
    }
  }
}