try importing TextEncoder

Author: lobsterkatie

packages/browser/test/package/npm-build.js

@@ -1,11 +1,16 @@
 /* eslint-disable no-console */
+Error.stackTraceLimit = Infinity;
+
+console.log('TextEncoder is defined:', typeof TextEncoder !== 'undefined');
+
 const fs = require('fs');
 const path = require('path');
+const { TextEncoder } = require('util');
+const { Script } = require('vm');
 
 const webpack = require('webpack');
 const { JSDOM } = require('jsdom');
 
-Error.stackTraceLimit = Infinity;
 
 webpack(
   {
@@ -43,10 +48,8 @@ webpack(
 
 function runTests() {
   const bundlePath = path.join(__dirname, 'tmp.js');
-  const { window } = new JSDOM('', { runScripts: 'dangerously' });
-
-  // This is a workaround for https://github.com/jsdom/jsdom/issues/2524
-  window.TextEncoder = TextEncoder;
+  const dom = new JSDOM('', { runScripts: 'outside-only' });
+  const { window } = dom;
 
   window.onerror = function () {
     console.error('ERROR thrown in manual test:');
@@ -62,13 +65,14 @@ function runTests() {
     process.exit(1);
   }
 
-  const scriptEl = window.document.createElement('script');
-  scriptEl.textContent = myLibrary;
-  window.document.body.appendChild(scriptEl);
+  const vmContext = dom.getInternalVMContext();
+  // This is a workaround for https://github.com/jsdom/jsdom/issues/2524
+  vmContext.TextEncoder = TextEncoder;
+
+  const script1 = new Script(myLibrary);
+  const script2 = new Script(myLibrary);
+
+  script1.runInContext(vmContext);
+  script2.runInContext(vmContext);
 
-  // Testing https://github.com/getsentry/sentry-javascript/issues/2043
-  const scriptEl2 = window.document.createElement('script');
-  scriptEl2.textContent = myLibrary;
-  window.document.body.appendChild(scriptEl2);
-  // ------------------------------------------------------------------
 }

packages/browser/test/package/test-code.js

@@ -2,16 +2,18 @@
 const Sentry = require('../../build/npm/cjs/index.js');
 const Integrations = require('../../../integrations/build/npm/cjs/dedupe.js');
 
+console.log('about to init the SDK');
+
 // Init
 Sentry.init({
   dsn: 'https://completelyrandom@dsn.asdf/42',
   integrations: [new Integrations.Dedupe()],
   beforeSend(_event) {
-    console.log('Got an event');
+    // console.log('Got an event');
     return null;
   },
   beforeBreadcrumb(crumb) {
-    console.log(`Got a breadcrumb: ${crumb.category}`);
+    // console.log(`Got a breadcrumb: ${crumb.category}`);
     return crumb;
   },
 });