Method tag

packages/context/src/binding.ts:668–683

* Tag the binding with names or name/value objects. A tag has a name and * an optional value. If not supplied, the tag name is used as the value. * * @param tags - A list of names or name/value objects. Each * parameter can be in one of the following forms: * - string: A tag name with

(...tags: BindingTag[])

   * ```
   */
  tag(...tags: BindingTag[]): this {
    for (const t of tags) {
      if (typeof t === 'string') {
        this.tagMap[t] = t;
      } else if (Array.isArray(t)) {
        // Throw an error as TypeScript cannot exclude array from TagMap
        throw new Error(
          'Tag must be a string or an object (but not array): ' + t,
        );
      } else {
        Object.assign(this.tagMap, t);
      }
    }
    this.emitChangedEvent('tag');
    return this;
  }

  /**
   * Get an array of tag names