message: types: simplify createNamespace
diff: -import { createBEM, BEM } from './bem';
  +import { createBEM } from './bem';
  import { createComponent } from './component';
  -import { createI18N, Translate } from './i18n';
  +import { createI18N } from './i18n';
  -type CreateNamespaceReturn = [
  - ReturnType<typeof createComponent>,
  - BEM,
  - Translate
  -];
  -
  -export function createNamespace(name: string): CreateNamespaceReturn {
  +export function createNamespace(name: string) {
  name = 'van-' + name;
  - return [
  - createComponent(name),
  - createBEM(name),
  - createI18N(name)
  - ];
  + return [createComponent(name), createBEM(name), createI18N(name)] as const;
  }
  