fix: peerDependencyRules with * as range (#4370)

.changeset/little-donuts-rescue.md

@@ -0,0 +1,6 @@
+---
+"@pnpm/core": patch
+"pnpm": patch
+---
+
+When a peer dependency range is extended with `*`, just replace any range with `*`.

packages/core/src/install/createPeerDependencyPatcher.ts

@@ -18,7 +18,11 @@ export default function (
         peerDependencyRules.allowedVersions?.[peerName] &&
         peerVersion !== '*'
       ) {
-        pkg.peerDependencies![peerName] += ` || ${peerDependencyRules.allowedVersions[peerName]}`
+        if (peerDependencyRules.allowedVersions[peerName] === '*') {
+          pkg.peerDependencies![peerName] = '*'
+        } else {
+          pkg.peerDependencies![peerName] += ` || ${peerDependencyRules.allowedVersions[peerName]}`
+        }
       }
     }
     return pkg

packages/core/test/install/createPeerDependencyPatcher.test.ts

@@ -22,6 +22,7 @@ test('createPeerDependencyPatcher() extends peer ranges', () => {
     allowedVersions: {
       foo: '1',
       qar: '1',
+      baz: '*',
     },
   })
   const patchedPkg = patcher({
@@ -29,11 +30,13 @@ test('createPeerDependencyPatcher() extends peer ranges', () => {
       foo: '0',
       bar: '0',
       qar: '*',
+      baz: '1',
     },
   })
   expect(patchedPkg['peerDependencies']).toStrictEqual({
     foo: '0 || 1',
     bar: '0',
     qar: '*',
+    baz: '*',
   })
 })