fix(types): fix missing jestPuppeteer global before setup

Moves global `jestPuppeteer` to environment constructor

Author: colinrotherham

packages/jest-environment-puppeteer/src/env.ts

@@ -136,41 +136,36 @@ export class PuppeteerEnvironment extends NodeEnvironment {
     super(config, _context);
 
     this.global.puppeteerConfig = {};
-    this.global.jestPuppeteer = {};
-  }
-
-  // Jest is not available here, so we have to reverse engineer
-  // the setTimeout function, see https://github.com/facebook/jest/blob/ffe2352c781703b427fab10777043fb76d0d4267/packages/jest-runtime/src/index.ts#L2331
-  setTimeout(timeout: number) {
-    this.global[testTimeoutSymbol] = timeout;
-  }
-
-  async setup(): Promise<void> {
-    const config = await readConfig();
-    const global = this.global;
-    global.puppeteerConfig = config;
-
-    global.jestPuppeteer = {
+    this.global.jestPuppeteer = {
       debug: async () => {
         // Set timeout to 4 days
         this.setTimeout(345600000);
         // Run a debugger (in case Puppeteer has been launched with `{ devtools: true }`)
-        await getPage(global).evaluate(() => {
+        await getPage(this.global).evaluate(() => {
           debugger;
         });
         return blockStdin();
       },
       resetPage: async () => {
-        await closePage(global);
-        await openPage(global);
+        await closePage(this.global);
+        await openPage(this.global);
       },
       resetBrowser: async () => {
-        await closeAll(global);
-        await initAll(global);
+        await closeAll(this.global);
+        await initAll(this.global);
       },
     };
+  }
 
-    await initAll(global);
+  // Jest is not available here, so we have to reverse engineer
+  // the setTimeout function, see https://github.com/facebook/jest/blob/ffe2352c781703b427fab10777043fb76d0d4267/packages/jest-runtime/src/index.ts#L2331
+  setTimeout(timeout: number) {
+    this.global[testTimeoutSymbol] = timeout;
+  }
+
+  async setup(): Promise<void> {
+    this.global.puppeteerConfig = await readConfig();
+    await initAll(this.global);
   }
 
   async teardown() {