Method singleValue

packages/context/src/context-view.ts:255–264

* Get the single value

(
    session?: ResolutionOptionsOrSession,
  )

   * Get the single value
   */
  async singleValue(
    session?: ResolutionOptionsOrSession,
  ): Promise<T | undefined> {
    const values = await this.values(session);
    if (values.length === 0) return undefined;
    if (values.length === 1) return values[0];
    throw new Error(
      'The ContextView has more than one value. Use values() to access them.',
    );
  }

  /**
   * The "bind" event is emitted when a new binding is added to the view.