Method has

packages/reactivity/src/baseHandlers.ts:207–213

(target: Record<string | symbol, unknown>, key: string | symbol)

  }

  has(target: Record<string | symbol, unknown>, key: string | symbol): boolean {
    const result = Reflect.has(target, key)
    if (!isSymbol(key) || !builtInSymbols.has(key)) {
      track(target, TrackOpTypes.HAS, key)
    }
    return result
  }

  ownKeys(target: Record<string | symbol, unknown>): (string | symbol)[] {
    track(