⚡️reduce the invocation times with next tick in sandbox to make qiankun performance in control (#1629)

src/__tests__/utils.test.ts

@@ -3,6 +3,7 @@ import {
   getDefaultTplWrapper,
   getWrapperId,
   getXPathForElement,
+  nextTask,
   sleep,
   validateExportLifecycle,
 } from '../utils';
@@ -116,3 +117,20 @@ test('should getXPathForElement work well', () => {
   const xpath1 = getXPathForElement(virtualDOM, document);
   expect(xpath1).toBeUndefined();
 });
+
+it('should nextTick just executed once in one task context', async () => {
+  let counter = 0;
+  nextTask(() => ++counter);
+  nextTask(() => ++counter);
+  nextTask(() => ++counter);
+  nextTask(() => ++counter);
+  await sleep(0);
+  expect(counter).toBe(1);
+
+  await sleep(0);
+  nextTask(() => ++counter);
+  await sleep(0);
+  nextTask(() => ++counter);
+  await sleep(0);
+  expect(counter).toBe(3);
+});

src/interfaces.ts

@@ -11,6 +11,7 @@ declare global {
     __POWERED_BY_QIANKUN__?: boolean;
     __INJECTED_PUBLIC_PATH_BY_QIANKUN__?: string;
     __QIANKUN_DEVELOPMENT__?: boolean;
+    Zone?: CallableFunction;
   }
 }
 

src/sandbox/proxySandbox.ts

@@ -5,7 +5,7 @@
  */
 import type { SandBox } from '../interfaces';
 import { SandBoxType } from '../interfaces';
-import { nextTick } from '../utils';
+import { nextTask } from '../utils';
 import { getTargetValue, setCurrentRunningSandboxProxy } from './common';
 
 /**
@@ -215,13 +215,13 @@ export default class ProxySandbox implements SandBox {
       },
 
       get(target: FakeWindow, p: PropertyKey): any {
-        if (p === Symbol.unscopables) return unscopables;
-
         setCurrentRunningSandboxProxy(proxy);
         // FIXME if you have any other good ideas
         // remove the mark in next tick, thus we can identify whether it in micro app or not
         // this approach is just a workaround, it could not cover all complex cases, such as the micro app runs in the same task context with master in some case
-        nextTick(() => setCurrentRunningSandboxProxy(null));
+        nextTask(() => setCurrentRunningSandboxProxy(null));
+
+        if (p === Symbol.unscopables) return unscopables;
 
         // avoid who using window.window or window.self to escape the sandbox environment to touch the really window
         // see https://github.com/eligrey/FileSaver.js/blob/master/src/FileSaver.js#L13

src/utils.ts

@@ -14,12 +14,24 @@ export function sleep(ms: number) {
   return new Promise((resolve) => setTimeout(resolve, ms));
 }
 
+// Promise.then might be synchronized in Zone.js context, we need to use setTimeout instead to mock next tick.
+const nextTick: (cb: () => void) => void =
+  typeof window.Zone === 'function' ? setTimeout : (cb) => Promise.resolve().then(cb);
+
+let globalTaskPending = false;
 /**
- * run a callback after next tick
+ * Run a callback before next task executing, and the invocation is idempotent in every singular task
+ * That means even we called nextTask multi times in one task, only the first callback will be pushed to nextTick to be invoked.
  * @param cb
  */
-export function nextTick(cb: () => void): void {
-  Promise.resolve().then(cb);
+export function nextTask(cb: () => void): void {
+  if (!globalTaskPending) {
+    globalTaskPending = true;
+    nextTick(() => {
+      cb();
+      globalTaskPending = false;
+    });
+  }
 }
 
 const fnRegexCheckCacheMap = new WeakMap<any | FunctionConstructor, boolean>();