Strip newlines from inline runtime

Author: sebmarkbage

packages/react-dom-bindings/src/server/fizz-instruction-set/ReactDOMFizzInstructionSetInlineCodeStrings.js

@@ -141,24 +141,26 @@ describe('ReactDOMFizzStaticBrowser', () => {
 
   async function readIntoNewDocument(stream) {
     const content = await readContent(stream);
-    const jsdom = new JSDOM(content, {
-      runScripts: 'dangerously',
-    });
+    const jsdom = new JSDOM(
+      // The Fizz runtime assumes requestAnimationFrame exists so we need to polyfill it.
+      '<script>window.requestAnimationFrame = setTimeout;</script>' + content,
+      {
+        runScripts: 'dangerously',
+      },
+    );
     const originalWindow = global.window;
     const originalDocument = global.document;
     const originalNavigator = global.navigator;
     const originalNode = global.Node;
     const originalAddEventListener = global.addEventListener;
     const originalMutationObserver = global.MutationObserver;
+    const originalRequestAnimationFrame = global.requestAnimationFrame;
     global.window = jsdom.window;
     global.document = global.window.document;
     global.navigator = global.window.navigator;
     global.Node = global.window.Node;
     global.addEventListener = global.window.addEventListener;
     global.MutationObserver = global.window.MutationObserver;
-    // The Fizz runtime assumes requestAnimationFrame exists so we need to polyfill it.
-    global.requestAnimationFrame = global.window.requestAnimationFrame = cb =>
-      setTimeout(cb);
     global.window.__restoreGlobalScope = () => {
       global.window = originalWindow;
       global.document = originalDocument;

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

@@ -70,7 +70,7 @@ async function main() {
         });
       });
 
-      return `export const ${exportName} = ${JSON.stringify(code.trim())};`;
+      return `export const ${exportName} = ${JSON.stringify(code.trim().replace('\n', ''))};`;
     })
   );