Method getOwnerContext

packages/context/src/context.ts:482–505

* Get the owning context for a binding or its key * @param keyOrBinding - Binding object or key

(
    keyOrBinding: BindingAddress | Readonly<Binding<unknown>>,
  )

   * @param keyOrBinding - Binding object or key
   */
  getOwnerContext(
    keyOrBinding: BindingAddress | Readonly<Binding<unknown>>,
  ): Context | undefined {
    let key: BindingAddress;
    if (keyOrBinding instanceof Binding) {
      key = keyOrBinding.key;
    } else {
      key = keyOrBinding as BindingAddress;
    }
    if (this.contains(key)) {
      if (keyOrBinding instanceof Binding) {
        // Check if the contained binding is the same
        if (this.registry.get(key.toString()) === keyOrBinding) {
          return this;
        }
        return undefined;
      }
      return this;
    }
    if (this._parent) {
      return this._parent.getOwnerContext(key);
    }
    return undefined;
  }

  /**
   * Get the context matching the scope