test: polyfill missing method

examples/discovery-search-app/package.json

@@ -42,12 +42,14 @@
   "devDependencies": {
     "@testing-library/cypress": "^7.0.7",
     "@types/proper-url-join": "^2.1.4",
+    "core-js": "^3.37.1",
     "cross-env": "^7.0.3",
     "cypress": "^13.6.3",
     "react-scripts": "^5.0.1",
     "start-server-and-test": "^2.0.3"
   },
   "jest": {
+    "displayName": "Search app (unit)",
     "moduleNameMapper": {
       "^axios$": "axios/dist/node/axios.cjs"
     }

examples/discovery-search-app/src/setupTests.js

@@ -0,0 +1,6 @@
+/**
+ * Set up `jest` when run from `react-scripts`
+ */
+
+// polyfill for `Promise.withResolvers()`
+import 'core-js/proposals/promise-with-resolvers';

packages/discovery-react-components/.storybook/main.ts

@@ -1,4 +1,5 @@
 import { StorybookConfig } from '@storybook/react-vite';
+import path from 'node:path';
 import { mergeConfig } from 'vite';
 import { nodePolyfills } from 'vite-plugin-node-polyfills';
 
@@ -23,7 +24,10 @@ const config: StorybookConfig = {
     disableTelemetry: true
   },
 
-  staticDirs: ['../../../node_modules/pdfjs-dist/build/'],
+  staticDirs: [
+    // should resolve to '.../pdfjs-dist/build/'
+    path.dirname(require.resolve('pdfjs-dist'))
+  ],
 
   framework: '@storybook/react-vite',
 

packages/discovery-react-components/package.json

@@ -97,7 +97,7 @@
   },
   "jest": {
     "resetMocks": false,
-    "displayName": "Disco React Components (Unit)",
+    "displayName": "Disco React Components (unit)",
     "transformIgnorePatterns": [
       "/!node_modules\\/react-virtualized/"
     ],
@@ -109,9 +109,6 @@
       "!src/**/__fixtures__/**",
       "!src/**/__stories__/**",
       "!src/**/*.stories.*"
-    ],
-    "moduleNameMapper": {
-      "^pdfjs-dist$": "pdfjs-dist/legacy/build/pdf.mjs"
-    }
+    ]
   }
 }

packages/discovery-react-components/src/setupTests.ts

@@ -1,4 +1,10 @@
+/**
+ * Set up `jest` when run from `react-scripts`
+ */
+
 import '@testing-library/jest-dom/extend-expect';
+// polyfill for `Promise.withResolvers()`
+import 'core-js/proposals/promise-with-resolvers';
 import setPdfJsGlobalWorkerOptions from 'utils/setPdfJsGlobalWorkerOptions';
 
 // Set pdf.js worker for all tests

yarn.lock

@@ -10130,10 +10130,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"core-js@npm:^3.19.2, core-js@npm:^3.29.0":
-  version: 3.33.3
-  resolution: "core-js@npm:3.33.3"
-  checksum: 10c0/08abdc9470c8228b9d09f61e62ab312738681202c4c34e9638889125b304b235f34c4fe22e9d41c20906ac0fcc807dca57c5ff7d6b90021bf64e8fe23461d9ab
+"core-js@npm:^3.19.2, core-js@npm:^3.29.0, core-js@npm:^3.37.1":
+  version: 3.37.1
+  resolution: "core-js@npm:3.37.1"
+  checksum: 10c0/440eb51a7a39128a320225fe349f870a3641b96c9ecd26470227db730ef8c161ea298eaea621db66ec0ff622a85299efb4e23afebf889c0a1748616102307675
   languageName: node
   linkType: hard
 
@@ -11319,6 +11319,7 @@ __metadata:
     carbon-components-react: "npm:7.59.24"
     carbon-icons: "npm:^7.0.7"
     classnames: "npm:^2.5.1"
+    core-js: "npm:^3.37.1"
     cors: "npm:^2.8.5"
     cross-env: "npm:^7.0.3"
     cypress: "npm:^13.6.3"