From fc13ed7bd54d9a947e269dd40faa6a5716154fff Mon Sep 17 00:00:00 2001
From: Martin Hochel <martinhochel@microsoft.com>
Date: Wed, 26 Apr 2023 14:29:44 +0200
Subject: [PATCH] test: use `isolatedModules` for all ts-jest configs to lower
 memory footprint on CI (#27670)

* test: use isolatedModules for all ts-jest configs to lower memory footprint on CI
* feat(tools): update jest config setup to use isolatedModules
---
 apps/react-18-tests-v8/jest.config.js                         | 2 +-
 apps/react-18-tests-v9/jest.config.js                         | 2 +-
 apps/ssr-tests-v9/jest.config.js                              | 2 +-
 apps/stress-test/jest.config.js                               | 2 +-
 apps/vr-tests-react-components/jest.config.js                 | 2 +-
 .../babel-preset-global-context/jest.config.js                | 2 +-
 .../babel-preset-storybook-full-source/jest.config.js         | 2 +-
 packages/react-components/global-context/jest.config.js       | 2 +-
 packages/react-components/keyboard-keys/jest.config.js        | 2 +-
 packages/react-components/priority-overflow/jest.config.js    | 2 +-
 packages/react-components/react-accordion/jest.config.js      | 2 +-
 packages/react-components/react-alert/jest.config.js          | 2 +-
 packages/react-components/react-aria/jest.config.js           | 2 +-
 packages/react-components/react-avatar-context/jest.config.js | 2 +-
 packages/react-components/react-avatar/jest.config.js         | 2 +-
 packages/react-components/react-badge/jest.config.js          | 2 +-
 packages/react-components/react-breadcrumb/jest.config.js     | 2 +-
 packages/react-components/react-button/jest.config.js         | 2 +-
 packages/react-components/react-card/jest.config.js           | 2 +-
 packages/react-components/react-checkbox/jest.config.js       | 2 +-
 packages/react-components/react-combobox/jest.config.js       | 2 +-
 packages/react-components/react-components/jest.config.js     | 2 +-
 .../react-components/react-conformance-griffel/jest.config.js | 2 +-
 .../react-components/react-context-selector/jest.config.js    | 2 +-
 .../react-data-grid-react-window/jest.config.js               | 2 +-
 .../react-components/react-datepicker-compat/jest.config.js   | 2 +-
 packages/react-components/react-dialog/jest.config.js         | 2 +-
 packages/react-components/react-divider/jest.config.js        | 2 +-
 packages/react-components/react-drawer/jest.config.js         | 2 +-
 packages/react-components/react-field/jest.config.js          | 2 +-
 packages/react-components/react-image/jest.config.js          | 2 +-
 packages/react-components/react-infobutton/jest.config.js     | 2 +-
 packages/react-components/react-input/jest.config.js          | 2 +-
 packages/react-components/react-jsx-runtime/jest.config.js    | 2 +-
 packages/react-components/react-label/jest.config.js          | 2 +-
 packages/react-components/react-link/jest.config.js           | 2 +-
 packages/react-components/react-menu/jest.config.js           | 2 +-
 .../react-components/react-migration-v0-v9/jest.config.js     | 2 +-
 .../react-components/react-migration-v8-v9/jest.config.js     | 2 +-
 packages/react-components/react-overflow/jest.config.js       | 2 +-
 packages/react-components/react-persona/jest.config.js        | 2 +-
 packages/react-components/react-popover/jest.config.js        | 2 +-
 .../react-portal-compat-context/jest.config.js                | 2 +-
 packages/react-components/react-portal-compat/jest.config.js  | 2 +-
 packages/react-components/react-portal/jest.config.js         | 2 +-
 packages/react-components/react-positioning/jest.config.js    | 2 +-
 packages/react-components/react-progress/jest.config.js       | 2 +-
 packages/react-components/react-provider/jest.config.js       | 2 +-
 packages/react-components/react-radio/jest.config.js          | 2 +-
 packages/react-components/react-select/jest.config.js         | 2 +-
 .../react-components/react-shared-contexts/jest.config.js     | 2 +-
 packages/react-components/react-skeleton/jest.config.js       | 2 +-
 packages/react-components/react-slider/jest.config.js         | 2 +-
 packages/react-components/react-spinbutton/jest.config.js     | 2 +-
 packages/react-components/react-spinner/jest.config.js        | 2 +-
 .../react-storybook-addon-codesandbox/jest.config.js          | 2 +-
 .../react-components/react-storybook-addon/jest.config.js     | 2 +-
 packages/react-components/react-switch/jest.config.js         | 2 +-
 packages/react-components/react-table/jest.config.js          | 2 +-
 packages/react-components/react-tabs/jest.config.js           | 2 +-
 packages/react-components/react-tabster/jest.config.js        | 2 +-
 packages/react-components/react-tags/jest.config.js           | 2 +-
 packages/react-components/react-text/jest.config.js           | 2 +-
 packages/react-components/react-textarea/jest.config.js       | 2 +-
 packages/react-components/react-theme-sass/jest.config.js     | 2 +-
 packages/react-components/react-theme/jest.config.js          | 2 +-
 packages/react-components/react-toolbar/jest.config.js        | 2 +-
 packages/react-components/react-tooltip/jest.config.js        | 2 +-
 packages/react-components/react-tree/jest.config.js           | 2 +-
 packages/react-components/react-utilities/jest.config.js      | 2 +-
 packages/react-components/react-virtualizer/jest.config.js    | 4 ++--
 packages/react-components/theme-designer/jest.config.js       | 2 +-
 packages/tokens/jest.config.js                                | 2 +-
 scripts/jest/src/jest.preset.v8.js                            | 3 ++-
 scripts/jest/src/jest.preset.v8.spec.ts                       | 2 +-
 tools/generators/migrate-converged-pkg/index.spec.ts          | 2 +-
 tools/generators/migrate-converged-pkg/index.ts               | 2 +-
 77 files changed, 79 insertions(+), 78 deletions(-)

diff --git a/apps/react-18-tests-v8/jest.config.js b/apps/react-18-tests-v8/jest.config.js
index dc4ce5443ae58..b61ba13a65141 100644
--- a/apps/react-18-tests-v8/jest.config.js
+++ b/apps/react-18-tests-v8/jest.config.js
@@ -15,7 +15,7 @@ if (config.globals) {
   // override ts-jest config, otherwise it gets merged
   config.globals['ts-jest'] = {
     tsconfig: '<rootDir>/tsconfig.spec.json',
-    diagnostics: { warnOnly: true /* , exclude: ['packages/**']  */ },
+    isolatedModules: true,
   };
 }
 
diff --git a/apps/react-18-tests-v9/jest.config.js b/apps/react-18-tests-v9/jest.config.js
index ff2e84e73010a..08de436edf022 100644
--- a/apps/react-18-tests-v9/jest.config.js
+++ b/apps/react-18-tests-v9/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: { warnOnly: true, exclude: ['packages/**'] },
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/apps/ssr-tests-v9/jest.config.js b/apps/ssr-tests-v9/jest.config.js
index 3b7292734386e..71f9ab6510d2f 100644
--- a/apps/ssr-tests-v9/jest.config.js
+++ b/apps/ssr-tests-v9/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/apps/stress-test/jest.config.js b/apps/stress-test/jest.config.js
index 3b7292734386e..71f9ab6510d2f 100644
--- a/apps/stress-test/jest.config.js
+++ b/apps/stress-test/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/apps/vr-tests-react-components/jest.config.js b/apps/vr-tests-react-components/jest.config.js
index ee67c7a86d250..860d9c97635c5 100644
--- a/apps/vr-tests-react-components/jest.config.js
+++ b/apps/vr-tests-react-components/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/babel-preset-global-context/jest.config.js b/packages/react-components/babel-preset-global-context/jest.config.js
index c35f80f6a167e..a962e4119eb6d 100644
--- a/packages/react-components/babel-preset-global-context/jest.config.js
+++ b/packages/react-components/babel-preset-global-context/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/babel-preset-storybook-full-source/jest.config.js b/packages/react-components/babel-preset-storybook-full-source/jest.config.js
index dafc6e0002a6b..3a35e5b8bdd72 100644
--- a/packages/react-components/babel-preset-storybook-full-source/jest.config.js
+++ b/packages/react-components/babel-preset-storybook-full-source/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/global-context/jest.config.js b/packages/react-components/global-context/jest.config.js
index 89b83781aad75..cc8d64ae4a43a 100644
--- a/packages/react-components/global-context/jest.config.js
+++ b/packages/react-components/global-context/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/keyboard-keys/jest.config.js b/packages/react-components/keyboard-keys/jest.config.js
index f4f30182fe771..5e16ee4e6b8d8 100644
--- a/packages/react-components/keyboard-keys/jest.config.js
+++ b/packages/react-components/keyboard-keys/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/priority-overflow/jest.config.js b/packages/react-components/priority-overflow/jest.config.js
index 5be1fb0250886..994e3d649a430 100644
--- a/packages/react-components/priority-overflow/jest.config.js
+++ b/packages/react-components/priority-overflow/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-accordion/jest.config.js b/packages/react-components/react-accordion/jest.config.js
index 9d2d508dfbe13..fb3c3825bb3dc 100644
--- a/packages/react-components/react-accordion/jest.config.js
+++ b/packages/react-components/react-accordion/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-alert/jest.config.js b/packages/react-components/react-alert/jest.config.js
index 7e1223ecf873b..9693d4ad4d9f0 100644
--- a/packages/react-components/react-alert/jest.config.js
+++ b/packages/react-components/react-alert/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-aria/jest.config.js b/packages/react-components/react-aria/jest.config.js
index aabf1e411b3ec..c5e519a6f36d1 100644
--- a/packages/react-components/react-aria/jest.config.js
+++ b/packages/react-components/react-aria/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-avatar-context/jest.config.js b/packages/react-components/react-avatar-context/jest.config.js
index a86805833bc25..1d956ea00a0f0 100644
--- a/packages/react-components/react-avatar-context/jest.config.js
+++ b/packages/react-components/react-avatar-context/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-avatar/jest.config.js b/packages/react-components/react-avatar/jest.config.js
index 474b19047973a..8e485ee197fab 100644
--- a/packages/react-components/react-avatar/jest.config.js
+++ b/packages/react-components/react-avatar/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-badge/jest.config.js b/packages/react-components/react-badge/jest.config.js
index 2650ceafefa74..c7a12e9171bd8 100644
--- a/packages/react-components/react-badge/jest.config.js
+++ b/packages/react-components/react-badge/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-breadcrumb/jest.config.js b/packages/react-components/react-breadcrumb/jest.config.js
index e71124efdbbd7..5c481895ec2ff 100644
--- a/packages/react-components/react-breadcrumb/jest.config.js
+++ b/packages/react-components/react-breadcrumb/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-button/jest.config.js b/packages/react-components/react-button/jest.config.js
index fa9febaae3144..c40bf76983caf 100644
--- a/packages/react-components/react-button/jest.config.js
+++ b/packages/react-components/react-button/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-card/jest.config.js b/packages/react-components/react-card/jest.config.js
index 718afb7101794..d54241a41570d 100644
--- a/packages/react-components/react-card/jest.config.js
+++ b/packages/react-components/react-card/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-checkbox/jest.config.js b/packages/react-components/react-checkbox/jest.config.js
index 276dda279da40..fe5acb2984289 100644
--- a/packages/react-components/react-checkbox/jest.config.js
+++ b/packages/react-components/react-checkbox/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-combobox/jest.config.js b/packages/react-components/react-combobox/jest.config.js
index 42cc3e30eb229..021405129645a 100644
--- a/packages/react-components/react-combobox/jest.config.js
+++ b/packages/react-components/react-combobox/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-components/jest.config.js b/packages/react-components/react-components/jest.config.js
index 97e86a16f06bf..111eb73ae8db1 100644
--- a/packages/react-components/react-components/jest.config.js
+++ b/packages/react-components/react-components/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-conformance-griffel/jest.config.js b/packages/react-components/react-conformance-griffel/jest.config.js
index 6023f4a9b558f..73b42aa998da6 100644
--- a/packages/react-components/react-conformance-griffel/jest.config.js
+++ b/packages/react-components/react-conformance-griffel/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-context-selector/jest.config.js b/packages/react-components/react-context-selector/jest.config.js
index 39023dd6182c6..dcd74005c508f 100644
--- a/packages/react-components/react-context-selector/jest.config.js
+++ b/packages/react-components/react-context-selector/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-data-grid-react-window/jest.config.js b/packages/react-components/react-data-grid-react-window/jest.config.js
index 7a70c69372d17..5368c2f62c2c4 100644
--- a/packages/react-components/react-data-grid-react-window/jest.config.js
+++ b/packages/react-components/react-data-grid-react-window/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-datepicker-compat/jest.config.js b/packages/react-components/react-datepicker-compat/jest.config.js
index f3fbfc2d76eb2..023d31b89fd1e 100644
--- a/packages/react-components/react-datepicker-compat/jest.config.js
+++ b/packages/react-components/react-datepicker-compat/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-dialog/jest.config.js b/packages/react-components/react-dialog/jest.config.js
index 67ac9847a41d8..4057edf6c64b4 100644
--- a/packages/react-components/react-dialog/jest.config.js
+++ b/packages/react-components/react-dialog/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-divider/jest.config.js b/packages/react-components/react-divider/jest.config.js
index d18346b0729fd..a8098f399f0a5 100644
--- a/packages/react-components/react-divider/jest.config.js
+++ b/packages/react-components/react-divider/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-drawer/jest.config.js b/packages/react-components/react-drawer/jest.config.js
index 94e954e0a6995..efc18f02183c2 100644
--- a/packages/react-components/react-drawer/jest.config.js
+++ b/packages/react-components/react-drawer/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-field/jest.config.js b/packages/react-components/react-field/jest.config.js
index a5a95459b194a..5190c367303a7 100644
--- a/packages/react-components/react-field/jest.config.js
+++ b/packages/react-components/react-field/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-image/jest.config.js b/packages/react-components/react-image/jest.config.js
index 6cc92ea82d5d4..8c23e4216db0e 100644
--- a/packages/react-components/react-image/jest.config.js
+++ b/packages/react-components/react-image/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-infobutton/jest.config.js b/packages/react-components/react-infobutton/jest.config.js
index 57088d9b82184..1bf9ac3cbf559 100644
--- a/packages/react-components/react-infobutton/jest.config.js
+++ b/packages/react-components/react-infobutton/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-input/jest.config.js b/packages/react-components/react-input/jest.config.js
index a7110dfad207e..38e8aef2383f6 100644
--- a/packages/react-components/react-input/jest.config.js
+++ b/packages/react-components/react-input/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-jsx-runtime/jest.config.js b/packages/react-components/react-jsx-runtime/jest.config.js
index b3440c12005ef..160d733973758 100644
--- a/packages/react-components/react-jsx-runtime/jest.config.js
+++ b/packages/react-components/react-jsx-runtime/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-label/jest.config.js b/packages/react-components/react-label/jest.config.js
index 00d608e89df8b..d8b0c7895c8b9 100644
--- a/packages/react-components/react-label/jest.config.js
+++ b/packages/react-components/react-label/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-link/jest.config.js b/packages/react-components/react-link/jest.config.js
index ce3f6a490ef56..23277d27bcf9f 100644
--- a/packages/react-components/react-link/jest.config.js
+++ b/packages/react-components/react-link/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-menu/jest.config.js b/packages/react-components/react-menu/jest.config.js
index 89dddbb7628ac..3b5908251f56f 100644
--- a/packages/react-components/react-menu/jest.config.js
+++ b/packages/react-components/react-menu/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-migration-v0-v9/jest.config.js b/packages/react-components/react-migration-v0-v9/jest.config.js
index 8e16e3dd157c9..a35b099dddca6 100644
--- a/packages/react-components/react-migration-v0-v9/jest.config.js
+++ b/packages/react-components/react-migration-v0-v9/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-migration-v8-v9/jest.config.js b/packages/react-components/react-migration-v8-v9/jest.config.js
index 92a09e8740001..c248112b9c0b9 100644
--- a/packages/react-components/react-migration-v8-v9/jest.config.js
+++ b/packages/react-components/react-migration-v8-v9/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-overflow/jest.config.js b/packages/react-components/react-overflow/jest.config.js
index 461774fbaae0d..1951191f764dd 100644
--- a/packages/react-components/react-overflow/jest.config.js
+++ b/packages/react-components/react-overflow/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-persona/jest.config.js b/packages/react-components/react-persona/jest.config.js
index 64fccb00346d1..354a58e2ffde3 100644
--- a/packages/react-components/react-persona/jest.config.js
+++ b/packages/react-components/react-persona/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-popover/jest.config.js b/packages/react-components/react-popover/jest.config.js
index c6dd2288db246..82f46dd78f772 100644
--- a/packages/react-components/react-popover/jest.config.js
+++ b/packages/react-components/react-popover/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-portal-compat-context/jest.config.js b/packages/react-components/react-portal-compat-context/jest.config.js
index 4f76964fc037d..dfa6b9d19723d 100644
--- a/packages/react-components/react-portal-compat-context/jest.config.js
+++ b/packages/react-components/react-portal-compat-context/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-portal-compat/jest.config.js b/packages/react-components/react-portal-compat/jest.config.js
index be4da49608cee..4525efa606492 100644
--- a/packages/react-components/react-portal-compat/jest.config.js
+++ b/packages/react-components/react-portal-compat/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-portal/jest.config.js b/packages/react-components/react-portal/jest.config.js
index dbf98b99ea189..77869cbf6d663 100644
--- a/packages/react-components/react-portal/jest.config.js
+++ b/packages/react-components/react-portal/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-positioning/jest.config.js b/packages/react-components/react-positioning/jest.config.js
index 2c4d600b111c2..ba952e33e2bb7 100644
--- a/packages/react-components/react-positioning/jest.config.js
+++ b/packages/react-components/react-positioning/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-progress/jest.config.js b/packages/react-components/react-progress/jest.config.js
index f22d09ca37207..797661d97bfb8 100644
--- a/packages/react-components/react-progress/jest.config.js
+++ b/packages/react-components/react-progress/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-provider/jest.config.js b/packages/react-components/react-provider/jest.config.js
index aa1e59a8f1e8c..220d2d09f585f 100644
--- a/packages/react-components/react-provider/jest.config.js
+++ b/packages/react-components/react-provider/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-radio/jest.config.js b/packages/react-components/react-radio/jest.config.js
index c8dc1fb78a935..b43b20471e990 100644
--- a/packages/react-components/react-radio/jest.config.js
+++ b/packages/react-components/react-radio/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-select/jest.config.js b/packages/react-components/react-select/jest.config.js
index ce2b7e4228dec..040f6a5a8e2b7 100644
--- a/packages/react-components/react-select/jest.config.js
+++ b/packages/react-components/react-select/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-shared-contexts/jest.config.js b/packages/react-components/react-shared-contexts/jest.config.js
index 232fc8fc07d0c..2463dccb4ea51 100644
--- a/packages/react-components/react-shared-contexts/jest.config.js
+++ b/packages/react-components/react-shared-contexts/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-skeleton/jest.config.js b/packages/react-components/react-skeleton/jest.config.js
index 0a32212b98d50..1ecf245a63a96 100644
--- a/packages/react-components/react-skeleton/jest.config.js
+++ b/packages/react-components/react-skeleton/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-slider/jest.config.js b/packages/react-components/react-slider/jest.config.js
index f267c71f237f0..c3527dc791054 100644
--- a/packages/react-components/react-slider/jest.config.js
+++ b/packages/react-components/react-slider/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-spinbutton/jest.config.js b/packages/react-components/react-spinbutton/jest.config.js
index 4d703b5734aa2..47a29c6c2e390 100644
--- a/packages/react-components/react-spinbutton/jest.config.js
+++ b/packages/react-components/react-spinbutton/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-spinner/jest.config.js b/packages/react-components/react-spinner/jest.config.js
index 74cc94ecc6bb6..7fd228d7caa3e 100644
--- a/packages/react-components/react-spinner/jest.config.js
+++ b/packages/react-components/react-spinner/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-storybook-addon-codesandbox/jest.config.js b/packages/react-components/react-storybook-addon-codesandbox/jest.config.js
index 6ebf7bca345a5..804d6a8c53638 100644
--- a/packages/react-components/react-storybook-addon-codesandbox/jest.config.js
+++ b/packages/react-components/react-storybook-addon-codesandbox/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-storybook-addon/jest.config.js b/packages/react-components/react-storybook-addon/jest.config.js
index a0e17fee3482d..717be5c5306c8 100644
--- a/packages/react-components/react-storybook-addon/jest.config.js
+++ b/packages/react-components/react-storybook-addon/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-switch/jest.config.js b/packages/react-components/react-switch/jest.config.js
index 7ab58b7b5e477..81ead1f0a2875 100644
--- a/packages/react-components/react-switch/jest.config.js
+++ b/packages/react-components/react-switch/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-table/jest.config.js b/packages/react-components/react-table/jest.config.js
index 95fa209faa546..d09be1dc61ef3 100644
--- a/packages/react-components/react-table/jest.config.js
+++ b/packages/react-components/react-table/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-tabs/jest.config.js b/packages/react-components/react-tabs/jest.config.js
index 82f3e969dc35f..2ede66dbfa5c1 100644
--- a/packages/react-components/react-tabs/jest.config.js
+++ b/packages/react-components/react-tabs/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-tabster/jest.config.js b/packages/react-components/react-tabster/jest.config.js
index 3459449cccb60..5563b6a59af63 100644
--- a/packages/react-components/react-tabster/jest.config.js
+++ b/packages/react-components/react-tabster/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-tags/jest.config.js b/packages/react-components/react-tags/jest.config.js
index 9b6d68d291110..4d18f3a220ad8 100644
--- a/packages/react-components/react-tags/jest.config.js
+++ b/packages/react-components/react-tags/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-text/jest.config.js b/packages/react-components/react-text/jest.config.js
index 8e3d3aaf2d53b..810103ae043c5 100644
--- a/packages/react-components/react-text/jest.config.js
+++ b/packages/react-components/react-text/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-textarea/jest.config.js b/packages/react-components/react-textarea/jest.config.js
index d5255744ad5b2..01e8d7422ca9b 100644
--- a/packages/react-components/react-textarea/jest.config.js
+++ b/packages/react-components/react-textarea/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-theme-sass/jest.config.js b/packages/react-components/react-theme-sass/jest.config.js
index c87480044d94a..e07cac11ede90 100644
--- a/packages/react-components/react-theme-sass/jest.config.js
+++ b/packages/react-components/react-theme-sass/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   testEnvironment: 'jest-environment-node-single-context',
diff --git a/packages/react-components/react-theme/jest.config.js b/packages/react-components/react-theme/jest.config.js
index ff0a627f6eb09..c7c0c9b227b41 100644
--- a/packages/react-components/react-theme/jest.config.js
+++ b/packages/react-components/react-theme/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-toolbar/jest.config.js b/packages/react-components/react-toolbar/jest.config.js
index f3bfbe21ad217..1246913f97d58 100644
--- a/packages/react-components/react-toolbar/jest.config.js
+++ b/packages/react-components/react-toolbar/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-tooltip/jest.config.js b/packages/react-components/react-tooltip/jest.config.js
index 3c184b0adf74f..0a11228e23599 100644
--- a/packages/react-components/react-tooltip/jest.config.js
+++ b/packages/react-components/react-tooltip/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-tree/jest.config.js b/packages/react-components/react-tree/jest.config.js
index 387ed673bf25f..164d5ddfb8b50 100644
--- a/packages/react-components/react-tree/jest.config.js
+++ b/packages/react-components/react-tree/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-utilities/jest.config.js b/packages/react-components/react-utilities/jest.config.js
index ad0713da7e648..1b8b528f2a67f 100644
--- a/packages/react-components/react-utilities/jest.config.js
+++ b/packages/react-components/react-utilities/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/react-virtualizer/jest.config.js b/packages/react-components/react-virtualizer/jest.config.js
index 606059485bce0..406a515d1ffd1 100644
--- a/packages/react-components/react-virtualizer/jest.config.js
+++ b/packages/react-components/react-virtualizer/jest.config.js
@@ -4,12 +4,12 @@
  * @type {import('@jest/types').Config.InitialOptions}
  */
 module.exports = {
-  displayName: 'virtualizer',
+  displayName: 'react-virtualizer',
   preset: '../../../jest.preset.js',
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/react-components/theme-designer/jest.config.js b/packages/react-components/theme-designer/jest.config.js
index 37c42ffb59b17..a3449c2a84753 100644
--- a/packages/react-components/theme-designer/jest.config.js
+++ b/packages/react-components/theme-designer/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/packages/tokens/jest.config.js b/packages/tokens/jest.config.js
index da133e64d8051..993f094b4e144 100644
--- a/packages/tokens/jest.config.js
+++ b/packages/tokens/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
+      isolatedModules: true,
     },
   },
   transform: {
diff --git a/scripts/jest/src/jest.preset.v8.js b/scripts/jest/src/jest.preset.v8.js
index 923340801552b..76b407bac07c9 100644
--- a/scripts/jest/src/jest.preset.v8.js
+++ b/scripts/jest/src/jest.preset.v8.js
@@ -71,7 +71,8 @@ const createConfig = (customConfig = {}) => {
 
     globals: {
       'ts-jest': {
-        diagnostics: false,
+        /** https://kulshekhar.github.io/ts-jest/docs/28.0/getting-started/options/isolatedModules */
+        isolatedModules: true,
       },
     },
     testEnvironmentOptions: {
diff --git a/scripts/jest/src/jest.preset.v8.spec.ts b/scripts/jest/src/jest.preset.v8.spec.ts
index a42e8bba60ff6..b9efa27ab56b5 100644
--- a/scripts/jest/src/jest.preset.v8.spec.ts
+++ b/scripts/jest/src/jest.preset.v8.spec.ts
@@ -10,7 +10,7 @@ describe(`v8 preset`, () => {
       expect.objectContaining({
         globals: {
           'ts-jest': {
-            diagnostics: false,
+            isolatedModules: true,
           },
         },
         moduleDirectories: [
diff --git a/tools/generators/migrate-converged-pkg/index.spec.ts b/tools/generators/migrate-converged-pkg/index.spec.ts
index 791f9259613e9..d2dab0a582d98 100644
--- a/tools/generators/migrate-converged-pkg/index.spec.ts
+++ b/tools/generators/migrate-converged-pkg/index.spec.ts
@@ -442,7 +442,7 @@ describe('migrate-converged-pkg generator', () => {
         globals: {
         'ts-jest': {
         tsconfig: '<rootDir>/tsconfig.spec.json',
-        diagnostics: false,
+        isolatedModules: true,
         },
         },
         transform: {
diff --git a/tools/generators/migrate-converged-pkg/index.ts b/tools/generators/migrate-converged-pkg/index.ts
index bbcbce992dc21..e5677aaa2216a 100644
--- a/tools/generators/migrate-converged-pkg/index.ts
+++ b/tools/generators/migrate-converged-pkg/index.ts
@@ -301,7 +301,7 @@ const templates = {
         globals: {
           'ts-jest': {
             tsconfig: '<rootDir>/tsconfig.spec.json',
-            diagnostics: false,
+            isolatedModules: true,
           },
         },
         transform: {