Function injectable

packages/context/src/binding-decorator.ts:67–90

(...specs: BindingSpec[])

 * configure the binding
 */
export function injectable(...specs: BindingSpec[]): ClassDecorator {
  const templateFunctions = specs.map(t => {
    if (typeof t === 'function') {
      return t;
    } else {
      return asBindingTemplate(t);
    }
  });

  return (target: Function) => {
    const cls = target as Constructor<unknown>;
    const spec: BindingMetadata = {
      templates: [asClassOrProvider(cls), ...templateFunctions],
      target: cls,
    };

    const decorator = InjectableDecoratorFactory.createDecorator(
      BINDING_METADATA_KEY,
      spec,
      {decoratorName: '@injectable'},
    );
    decorator(target);
  };
}

/**
 * A namespace to host shortcuts for `@injectable`