Method validate

packages/context/src/binding-key.ts:71–81

* Validate the binding key format. Please note that `#` is reserved. * Returns a string representation of the binding key. * * @param key - Binding key, such as `a`, `a.b`, `a:b`, or `a/b`

(key: BindingAddress<T>)

   * @param key - Binding key, such as `a`, `a.b`, `a:b`, or `a/b`
   */
  static validate<T>(key: BindingAddress<T>): string {
    if (!key) throw new Error('Binding key must be provided.');
    key = key.toString();
    if (key.includes(BindingKey.PROPERTY_SEPARATOR)) {
      throw new Error(
        `Binding key ${key} cannot contain` +
          ` '${BindingKey.PROPERTY_SEPARATOR}'.`,
      );
    }
    return key;
  }

  /**
   * Parse a string containing both the binding key and the path to the deeply