Function extraMethods

test/typescript/enhancers.ts:97–114

* Store enhancer that adds methods to the store.

()

 * Store enhancer that adds methods to the store.
 */
function extraMethods() {
  const enhancer: StoreEnhancer<{ method(): string }> =
    createStore =>
    (...args) => {
      const store = createStore(...args)
      return {
        ...store,
        method: () => 'foo'
      }
    }

  const store = createStore(reducer, enhancer)

  store.getState()
  const res: string = store.method()
  // @ts-expect-error
  store.wrongMethod()
}

/**
 * replaceReducer with a store enhancer