Skip empty parts

assets/js/utils/__tests__/suggestion-model.spec.ts

@@ -34,4 +34,30 @@ describe('prefixMatchParts', () => {
       ]
     `);
   });
+
+  it(`should ignore case when matching`, () => {
+    expect(prefixMatchParts('FOObar', 'foo')).toMatchInlineSnapshot(`
+      [
+        {
+          "matched": "FOO",
+        },
+        "bar",
+      ]
+    `);
+  });
+
+  it(`should skip empty parts`, () => {
+    expect(prefixMatchParts('foo', 'foo')).toMatchInlineSnapshot(`
+      [
+        {
+          "matched": "foo",
+        },
+      ]
+    `);
+    expect(prefixMatchParts('foo', 'bar')).toMatchInlineSnapshot(`
+      [
+        "foo",
+      ]
+    `);
+  });
 });

assets/js/utils/suggestions-model.ts

@@ -51,6 +51,10 @@ export type TagSuggestion = CanonicalTagSuggestion | AliasTagSuggestion;
  * contains the `prefix` after the namespace separator.
  */
 export function prefixMatchParts(target: string, prefix: string): MatchPart[] {
+  return prefixMatchPartsImpl(target, prefix).filter(part => typeof part !== 'string' || part.length > 0);
+}
+
+function prefixMatchPartsImpl(target: string, prefix: string): MatchPart[] {
   const targetLower = target.toLowerCase();
   const prefixLower = prefix.toLowerCase();