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formex-viewer/frontend/__mocks__/zustand.ts
2025-04-30 12:04:38 +02:00

65 lines
1.9 KiB
TypeScript

import { act } from "@testing-library/react";
import type * as ZustandExportedTypes from "zustand";
export * from "zustand";
const { create: actualCreate, createStore: actualCreateStore } =
jest.requireActual<typeof ZustandExportedTypes>("zustand");
// a variable to hold reset functions for all stores declared in the app
export const storeResetFns = new Set<() => void>();
const createUncurried = <T>(
stateCreator: ZustandExportedTypes.StateCreator<T>
) => {
const store = actualCreate(stateCreator);
const initialState = store.getInitialState();
storeResetFns.add(() => {
store.setState(initialState, true);
});
return store;
};
// when creating a store, we get its initial state, create a reset function and add it in the set
export const create = (<T>(
stateCreator: ZustandExportedTypes.StateCreator<T>
) => {
console.log("zustand create mock");
// to support curried version of create
return typeof stateCreator === "function"
? createUncurried(stateCreator)
: createUncurried;
}) as typeof ZustandExportedTypes.create;
const createStoreUncurried = <T>(
stateCreator: ZustandExportedTypes.StateCreator<T>
) => {
const store = actualCreateStore(stateCreator);
const initialState = store.getInitialState();
storeResetFns.add(() => {
store.setState(initialState, true);
});
return store;
};
// when creating a store, we get its initial state, create a reset function and add it in the set
export const createStore = (<T>(
stateCreator: ZustandExportedTypes.StateCreator<T>
) => {
console.log("zustand createStore mock");
// to support curried version of createStore
return typeof stateCreator === "function"
? createStoreUncurried(stateCreator)
: createStoreUncurried;
}) as typeof ZustandExportedTypes.createStore;
// reset all stores after each test run
afterEach(() => {
act(() => {
storeResetFns.forEach((resetFn) => {
resetFn();
});
});
});