init project

packages/mui-material/test/ripple.ts

@@ -0,0 +1,38 @@
+import { act, fireEvent } from '@mui/internal-test-utils';
+
+function delay(ms: number) {
+  return new Promise((r) => {
+    setTimeout(r, ms);
+  });
+}
+
+export async function asyncFireEvent(node: Element, event: keyof typeof fireEvent, options?: any) {
+  await act(async () => {
+    fireEvent[event](node, options);
+    await delay(1);
+  });
+}
+
+export function startTouch(node: Element, options?: any) {
+  return asyncFireEvent(node, 'mouseDown', options);
+}
+
+export async function stopTouch(node: Element) {
+  return asyncFireEvent(node, 'mouseUp');
+}
+
+export async function startFocus(node: HTMLElement) {
+  await act(async () => {
+    node.blur();
+    fireEvent.keyDown(document.body, { key: 'Tab' });
+    node.focus();
+    await delay(1);
+  });
+}
+
+export async function stopFocus(node: HTMLElement) {
+  await act(async () => {
+    node.blur();
+    await delay(1);
+  });
+}