Move rollupCache to test helper/utils file

Author: mofeiZ

packages/react-dom/src/__tests__/ReactDOMFizzServer-test.js

@@ -32,7 +32,6 @@ let buffer = '';
 let hasErrored = false;
 let fatalError = undefined;
 const renderOptions = {};
-const rollupCache: Map<string, string | null> = new Map();
 
 describe('ReactDOMFizzServer', () => {
   beforeEach(() => {
@@ -137,7 +136,7 @@ describe('ReactDOMFizzServer', () => {
       container.nodeName === '#document' ? container.body : container;
     while (fakeBody.firstChild) {
       const node = fakeBody.firstChild;
-      await replaceScriptsAndMove(window, rollupCache, CSPnonce, node, parent);
+      await replaceScriptsAndMove(window, CSPnonce, node, parent);
     }
   }
 
@@ -163,12 +162,7 @@ describe('ReactDOMFizzServer', () => {
     document = jsdom.window.document;
     container = document;
     buffer = '';
-    await replaceScriptsAndMove(
-      window,
-      rollupCache,
-      CSPnonce,
-      document.documentElement,
-    );
+    await replaceScriptsAndMove(window, CSPnonce, document.documentElement);
   }
 
   function getVisibleChildren(element) {

packages/react-dom/src/__tests__/ReactDOMFloat-test.js

@@ -27,7 +27,6 @@ let buffer = '';
 let hasErrored = false;
 let fatalError = undefined;
 const renderOptions = {};
-const rollupCache: Map<string, string | null> = new Map();
 
 describe('ReactDOMFloat', () => {
   beforeEach(() => {
@@ -103,13 +102,7 @@ describe('ReactDOMFloat', () => {
       container.nodeName === '#document' ? container.body : container;
     while (fakeBody.firstChild) {
       const node = fakeBody.firstChild;
-      await replaceScriptsAndMove(
-        document.defaultView,
-        rollupCache,
-        CSPnonce,
-        node,
-        parent,
-      );
+      await replaceScriptsAndMove(document.defaultView, CSPnonce, node, parent);
     }
   }
 
@@ -134,12 +127,7 @@ describe('ReactDOMFloat', () => {
     document = jsdom.window.document;
     container = document;
     buffer = '';
-    await replaceScriptsAndMove(
-      jsdom.window,
-      rollupCache,
-      null,
-      document.documentElement,
-    );
+    await replaceScriptsAndMove(jsdom.window, null, document.documentElement);
   }
 
   function getMeaningfulChildren(element) {

packages/react-dom/src/test-utils/FizzTestUtils.js

@@ -13,11 +13,10 @@ import * as fs from 'fs';
 import replace from 'rollup-plugin-replace';
 import {rollup} from 'rollup';
 
+const rollupCache: Map<string, string | null> = new Map();
+
 // Utility function to read and bundle a standalone browser script
-async function getRollupResult(
-  scriptSrc: string,
-  rollupCache: Map<string, string | null>,
-): Promise<string | null> {
+async function getRollupResult(scriptSrc: string): Promise<string | null> {
   const cachedResult = rollupCache.get(scriptSrc);
   if (cachedResult !== undefined) {
     return cachedResult;
@@ -71,7 +70,6 @@ async function getRollupResult(
 //  2. Resolving scripts with sources
 async function replaceScriptsAndMove(
   window: any,
-  rollupCache: Map<string, string | null>,
   CSPnonce: string | null,
   node: Node,
   parent: Node | null,
@@ -85,7 +83,7 @@ async function replaceScriptsAndMove(
     const script = window.document.createElement('SCRIPT');
     const scriptSrc = element.getAttribute('src');
     if (scriptSrc) {
-      const rollupOutput = await getRollupResult(scriptSrc, rollupCache);
+      const rollupOutput = await getRollupResult(scriptSrc);
       if (rollupOutput) {
         // Manually call eval(...) here, since changing the HTML text content
         //  may interfere with hydration
@@ -107,7 +105,7 @@ async function replaceScriptsAndMove(
   } else {
     for (let i = 0; i < node.childNodes.length; i++) {
       const inner = node.childNodes[i];
-      await replaceScriptsAndMove(window, rollupCache, CSPnonce, inner, null);
+      await replaceScriptsAndMove(window, CSPnonce, inner, null);
     }
     if (parent != null) {
       parent.appendChild(node);