jest-environment-node - npm Package Compare versions

Comparing version 28.0.0-alpha.9 to 28.0.0-alpha.10

build/index.js

@@ -61,6 +61,22 @@ 'use strict';
   'ArrayBuffer',
-  'Uint8Array'
+  'Uint8Array', // if env is loaded within a jest test
+  'jest-symbol-do-not-touch'
 ]);
-const nodeGlobals = new Set(
-  Object.getOwnPropertyNames(globalThis).filter(global => !denyList.has(global))
+const nodeGlobals = new Map(
+  Object.getOwnPropertyNames(globalThis)
+    .filter(global => !denyList.has(global))
+    .map(nodeGlobalsKey => {
+      const descriptor = Object.getOwnPropertyDescriptor(
+        globalThis,
+        nodeGlobalsKey
+      );
+
+      if (!descriptor) {
+        throw new Error(
+          `No property descriptor for ${nodeGlobalsKey}, this is a bug in Jest.`
+        );
+      }
+
+      return [nodeGlobalsKey, descriptor];
+    })
 );
@@ -84,6 +100,31 @@
 
-    for (const nodeGlobalsKey of nodeGlobals) {
+    for (const [nodeGlobalsKey, descriptor] of nodeGlobals) {
       if (!contextGlobals.has(nodeGlobalsKey)) {
-        // @ts-expect-error
-        global[nodeGlobalsKey] = globalThis[nodeGlobalsKey];
+        Object.defineProperty(global, nodeGlobalsKey, {
+          configurable: descriptor.configurable,
+          enumerable: descriptor.enumerable,
+
+          get() {
+            // @ts-expect-error
+            const val = globalThis[nodeGlobalsKey]; // override lazy getter
+
+            Object.defineProperty(global, nodeGlobalsKey, {
+              configurable: descriptor.configurable,
+              enumerable: descriptor.enumerable,
+              value: val,
+              writable: descriptor.writable
+            });
+            return val;
+          },
+
+          set(val) {
+            // override lazy getter
+            Object.defineProperty(global, nodeGlobalsKey, {
+              configurable: descriptor.configurable,
+              enumerable: descriptor.enumerable,
+              value: val,
+              writable: true
+            });
+          }
+        });
       }
@@ -90,0 +131,0 @@ }

package.json

 {
   "name": "jest-environment-node",
-  "version": "28.0.0-alpha.9",
+  "version": "28.0.0-alpha.10",
   "repository": {
@@ -36,3 +36,3 @@ "type": "git",
   },
-  "gitHead": "7c63f5981eb20d4b89a4c04f3675e0050d8d7887"
+  "gitHead": "d5eda7f23571081cea24760261d209ff3e01a084"
 }

No alert changes

Improved metrics

Total package byte prevSize

7942

increased by18.13%

Lines of code

196

increased by22.5%

No dependency changes