import { describe, expect, it } from "vite-plus/test"; import {  areShortcutModifierStatesEqual,  shortcutModifierStateAfterKeyboardEvent,  type ShortcutModifierState,} from "./shortcutModifierState"; const emptyState = (): ShortcutModifierState => ({  metaKey: false,  ctrlKey: false,  altKey: false,  shiftKey: false,}); function keyboardEventLike(type: "keydown" | "keyup", init: Partial<KeyboardEvent>): KeyboardEvent {  return {    type,    key: "",    metaKey: false,    ctrlKey: false,    altKey: false,    shiftKey: false,    ...init,  } as KeyboardEvent;} describe("shortcutModifierState", () => {  it("compares modifier states by value", () => {    expect(      areShortcutModifierStatesEqual(        { metaKey: false, ctrlKey: true, altKey: false, shiftKey: true },        { metaKey: false, ctrlKey: true, altKey: false, shiftKey: true },      ),    ).toBe(true);    expect(      areShortcutModifierStatesEqual(        { metaKey: false, ctrlKey: true, altKey: false, shiftKey: true },        { metaKey: false, ctrlKey: false, altKey: false, shiftKey: true },      ),    ).toBe(false);  });   it("preserves the current object when modifier values do not change", () => {    const initialState = emptyState();    const nextState = shortcutModifierStateAfterKeyboardEvent(      initialState,      keyboardEventLike("keyup", { key: "Shift" }),    );    expect(nextState).toBe(initialState);  });   it("tracks bare modifier keydown and keyup events explicitly", () => {    let state = emptyState();    state = shortcutModifierStateAfterKeyboardEvent(      state,      keyboardEventLike("keydown", {        key: "Meta",        metaKey: false,      }),    );    expect(state).toEqual({      metaKey: true,      ctrlKey: false,      altKey: false,      shiftKey: false,    });     state = shortcutModifierStateAfterKeyboardEvent(      state,      keyboardEventLike("keydown", {        key: "Shift",        metaKey: true,        shiftKey: false,      }),    );    expect(state).toEqual({      metaKey: true,      ctrlKey: false,      altKey: false,      shiftKey: true,    });     state = shortcutModifierStateAfterKeyboardEvent(      state,      keyboardEventLike("keyup", {        key: "Meta",        metaKey: true,        shiftKey: true,      }),    );    expect(state).toEqual({      metaKey: false,      ctrlKey: false,      altKey: false,      shiftKey: true,    });     state = shortcutModifierStateAfterKeyboardEvent(      state,      keyboardEventLike("keyup", {        key: "Shift",        shiftKey: true,      }),    );    expect(state).toEqual({      metaKey: false,      ctrlKey: false,      altKey: false,      shiftKey: false,    });  });});