fix keyboard event repeat property

src/keyboard/index.ts

@@ -33,7 +33,7 @@ async function keyboardAction(
 
   if (!releasePrevious) {
     for (let i = 1; i <= repeat; i++) {
-      await system.keyboard.keydown(instance, keyDef)
+      await system.keyboard.keydown(instance, keyDef, i > 1)
 
       if (i < repeat) {
         await wait(instance.config)

src/system/keyboard.ts

@@ -117,7 +117,7 @@ export class KeyboardHost {
   }
 
   /** Press a key */
-  async keydown(instance: Instance, keyDef: keyboardKey) {
+  async keydown(instance: Instance, keyDef: keyboardKey, repeat: boolean = false) {
     const key = String(keyDef.key)
     const code = String(keyDef.code)
 
@@ -133,6 +133,7 @@ export class KeyboardHost {
     const unprevented = instance.dispatchUIEvent(target, 'keydown', {
       key,
       code,
+      repeat,
     })
 
     if (isModifierLock(key) && !this.modifiers[key]) {

tests/keyboard/keyboardAction.ts

@@ -50,6 +50,19 @@ test('do not leak repeatKey in state', async () => {
   expect(keyboardState).not.toHaveProperty('repeatKey')
 })
 
+test('set `repeat` on repeated keydown events', async () => {
+  const {element, user} = setup(`<input/>`)
+
+  const repeats: boolean[] = []
+  element.addEventListener('keydown', e => {
+    repeats.push((e as KeyboardEvent).repeat)
+  })
+
+  await user.keyboard('{a>5}')
+
+  expect(repeats).toEqual([false, true, true, true, true])
+})
+
 describe('pressing and releasing keys', () => {
   test('fires event with releasing key twice', async () => {
     const {getEventSnapshot, user} = setup(`<input/>`)