Per-file @jest/globals (#15773)

Co-authored-by: Christoph Nakazawa <[email protected]>

Author: joshkel

CHANGELOG.md

@@ -1,5 +1,9 @@
 ## main
 
+### Fixes
+
+- `[jest-runtime]` Importing from `@jest/globals` in more than one file no longer breaks relative paths ([#15772](https://github.com/jestjs/jest/issues/15772))
+
 # Chore
 
 - `[expect]` Update docblock for `toContain()` to display info on substring check ([#15789](https://github.com/jestjs/jest/pull/15789))

packages/jest-runtime/src/index.ts

@@ -588,13 +588,14 @@ export default class Runtime {
     const registry = this._isolatedModuleRegistry ?? this._esmoduleRegistry;
 
     if (specifier === '@jest/globals') {
-      const fromCache = registry.get('@jest/globals');
+      const globalsIdentifier = `@jest/globals/${referencingIdentifier}`;
+      const fromCache = registry.get(globalsIdentifier);
 
       if (fromCache) {
         return fromCache;
       }
       const globals = this.getGlobalsForEsm(referencingIdentifier, context);
-      registry.set('@jest/globals', globals);
+      registry.set(globalsIdentifier, globals);
 
       return globals;
     }