Sm/pr feedback 948 (#953)

* fix: ut and better answers for case errors

* test: another case guess test

src/registry/registryAccess.ts

@@ -78,7 +78,10 @@ export class RegistryAccess {
   ): Array<{ suffixGuess: string; metadataTypeGuess: MetadataType }> | undefined {
     const registryKeys = Object.keys(this.registry.suffixes);
 
-    const scores = registryKeys.map((registryKey) => ({ registryKey, score: Levenshtein.get(suffix, registryKey) }));
+    const scores = registryKeys.map((registryKey) => ({
+      registryKey,
+      score: Levenshtein.get(suffix, registryKey, { useCollator: true }),
+    }));
     const sortedScores = scores.sort((a, b) => a.score - b.score);
     const lowestScore = sortedScores[0].score;
     // Levenshtein uses positive integers for scores, find all scores that match the lowest score

test/registry/registryAccess.test.ts

@@ -110,4 +110,15 @@ describe('RegistryAccess', () => {
       expect(registryAccess.getParentType(registry.types.digitalexperienceconfig.id)).to.be.undefined;
     });
   });
+
+  describe('suggestions', () => {
+    it('guess for a type that is all uppercase should return the correct type first', () => {
+      const result = registryAccess.guessTypeBySuffix('CLS');
+      expect(result?.[0].metadataTypeGuess.name).to.equal('ApexClass');
+    });
+    it('guess for a type that is first-uppercase should return the correct type first', () => {
+      const result = registryAccess.guessTypeBySuffix('Cls');
+      expect(result?.[0].metadataTypeGuess.name).to.equal('ApexClass');
+    });
+  });
 });