Method toAlias

packages/context/src/binding.ts:930–943

* Bind the key to an alias of another binding * @param keyWithPath - Target binding key with optional path, * such as `servers.RestServer.options#apiExplorer`

(keyWithPath: BindingAddress<T>)

   * such as `servers.RestServer.options#apiExplorer`
   */
  toAlias(keyWithPath: BindingAddress<T>) {
    /* istanbul ignore if */
    if (debug.enabled) {
      debug('Bind %s to alias %s', this.key, keyWithPath);
    }
    this._source = {
      type: BindingType.ALIAS,
      value: keyWithPath,
    };
    this._setValueGetter(({context, options}) => {
      return context.getValueOrPromise(keyWithPath, options);
    });
    return this;
  }

  /**
   * Unlock the binding