TEMP: Jest/JSDOM does not yet implement core JS behaviors from Node 17

cul · Feb 2, 2025 · a00ca4c · a00ca4c
1 parent 8de44c5
commit a00ca4c
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Showing 2 changed files with 17 additions and 1 deletion.
diff --git a/__tests__/utils/PatchedJSDOMEnvironment.js b/__tests__/utils/PatchedJSDOMEnvironment.js
@@ -0,0 +1,16 @@
+import JSDOMEnvironment from 'jest-environment-jsdom';
+
+/**
+ * JSDOM has a documented issue re: missing support of core JS available since Node 17
+ * e.g. https://github.com/jsdom/jsdom/issues/1721
+ * e.g. https://github.com/jsdom/jsdom/issues/3363
+ */
+export default class PatchedJSDOMEnvironment extends JSDOMEnvironment {
+  /** */
+  constructor(...args) {
+    super(...args);
+
+    // delegate to node for structuredClone
+    this.global.structuredClone = structuredClone;
+  }
+}
diff --git a/jest.json b/jest.json
@@ -37,7 +37,7 @@
     "transformIgnorePatterns": [
       "<rootDir>/node_modules/(?!@react-dnd|react-dnd|dnd-core|react-dnd-html5-backend|dnd-multi-backend|rdndmb-html5-to-touch|react-mosaic-component2|lodash-es)"
     ],
-    "testEnvironment": "jsdom"
+    "testEnvironment": "<rootDir>/__tests__/utils/PatchedJSDOMEnvironment.js"
   }, {
     "displayName": "integration",
     "moduleDirectories": [