Update dependency jsdom to v28

lib/buildtools/package.json

@@ -28,7 +28,7 @@
     "esbuild": "^0.27.0",
     "eslint": "^9.35.0",
     "http-server": "^14.1.1",
-    "jsdom": "^26.1.0",
+    "jsdom": "^28.0.0",
     "lodash": "^4.17.23",
     "typedoc": "^0.28.9",
     "vite": "^7.1.11",

lib/modules-lib/vitest.config.ts

@@ -24,7 +24,6 @@ export default mergeConfig(
       environment: 'jsdom',
       browser: {
         enabled: true,
-        // headless: true,
         provider: playwright(),
         instances: [{
           browser: 'chromium',

package.json

@@ -71,7 +71,7 @@
     "eslint-plugin-react-hooks": "^5.1.0",
     "eslint-plugin-yml": "^3.0.0",
     "husky": "^9.1.7",
-    "jsdom": "^26.1.0",
+    "jsdom": "^28.0.0",
     "jsonc-eslint-parser": "^2.4.0",
     "typescript": "^5.8.2",
     "typescript-eslint": "^8.33.1",
@@ -104,5 +104,8 @@
     "./lib/*",
     "./src/bundles/*",
     "./src/tabs/*"
-  ]
+  ],
+  "resolutions": {
+    "cssstyle": "^4.6.0"
+  }
 }

src/tabs/Curve/vitest.config.ts

@@ -1,9 +1,17 @@
 // Curve Tab vitest.config
+import pathlib from 'path';
 import { defineProject } from 'vitest/config';
 
 export default defineProject({
+  resolve: {
+    alias: [{
+      find: /^js-slang\/context/,
+      replacement: pathlib.join(import.meta.dirname, '../../__mocks__/context.ts')
+    }]
+  },
   optimizeDeps: {
     include: [
+      'js-slang',
       'js-slang/dist/utils/stringify',
       'lodash/clamp',
     ]

src/tabs/Rune/vitest.config.ts

@@ -1,10 +1,18 @@
 // Rune Tab vitest.config.js
+import pathlib from 'path';
 import { defineProject } from 'vitest/config';
 
 export default defineProject({
+  resolve: {
+    alias: [{
+      find: /^js-slang\/context/,
+      replacement: pathlib.join(import.meta.dirname, '../../__mocks__/context.ts')
+    }]
+  },
   optimizeDeps: {
     include: [
       'lodash/clamp',
+      'js-slang',
       'js-slang/dist/utils/stringify'
     ]
   },

vitest.config.ts

@@ -23,6 +23,7 @@ export default defineConfig({
     }]
   },
   test: {
+    setupFiles: [pathlib.join(import.meta.dirname, 'vitest.setup.ts')],
     projects: [
       './.github/actions',
       './devserver',

vitest.setup.ts

@@ -0,0 +1,27 @@
+// Workaround for jsdom/undici compatibility issue
+// See: https://github.com/nodejs/undici/issues/4000
+
+// This setup file patches the global undici dispatcher to avoid
+// "invalid onError method" errors during jsdom tests
+
+try {
+  // Try to patch undici dispatcher
+  const undici = await import('undici');
+
+  // @ts-expect-error - undici types may not exist
+  if (typeof setGlobalDispatcher === 'function' && undici.Agent) {
+    // @ts-expect-error - setGlobalDispatcher may not be typed
+    setGlobalDispatcher(new undici.Agent());
+  }
+} catch {
+  // Ignore if undici patching fails - this is expected in some environments
+}
+
+// Suppress unhandled rejection errors from jsdom/undici (Node.js only)
+if (typeof process !== 'undefined' && process.on) {
+  process.on('unhandledRejection', (reason: any) => {
+    if (reason?.code === 'UND_ERR_INVALID_ARG') {
+      // Ignore undici invalid argument errors from jsdom cleanup
+    }
+  });
+}