@idooel/runtime-context/src/core/Context.ts

Runtime data pool with namespaces, stackable contexts, subscriptions and optional persistence. Vue adapter included.

import type { ContextInitShape, Namespace, DataKey } from './types'

export class Context {
  readonly id: string
  readonly store: Map<Namespace, Map<DataKey, unknown>>

  constructor(init?: ContextInitShape) {
    this.id = generateId()
    this.store = new Map()
    if (init) {
      for (const ns of Object.keys(init)) {
        const nsMap = new Map<DataKey, unknown>()
        const obj = init[ns]
        if (obj && typeof obj === 'object') {
          for (const key of Object.keys(obj)) {
            nsMap.set(key, (obj as any)[key])
          }
        }
        this.store.set(ns, nsMap)
      }
    }
  }
}

function generateId(): string {
  // simple unique-ish id sufficient for context identification
  return `ctx_${Date.now().toString(36)}_${Math.random().toString(36).slice(2, 10)}`
}