fix: arrow function parsing in type expressions

Author: DylanPiercey

.changeset/nine-dragons-shake.md

@@ -0,0 +1,5 @@
+---
+"htmljs-parser": patch
+---
+
+Fix arrow function parsing in type expressions.

src/__tests__/fixtures/ts-type-statement/__snapshots__/ts-type-statement.expected.txt

@@ -28,4 +28,10 @@
 21├─   2
 22├─ > = baz;
 23╭─ 
+  ╰─ ╰─ openTagEnd
+24╭─ export interface Foo {
+  ╰─ ╰─ tagName "export"
+25├─   bar: () => Baz;
+26├─ }
+27╭─ 
   ╰─ ╰─ openTagEnd

src/__tests__/fixtures/ts-type-statement/input.marko

@@ -20,3 +20,7 @@ static const x: Foo<
   1,
   2
 > = baz;
+
+export interface Foo {
+  bar: () => Baz;
+}

src/states/EXPRESSION.ts

@@ -144,10 +144,10 @@ export const EXPRESSION: StateDefinition<ExpressionMeta> = {
         }
         break;
       case CODE.EQUAL:
-        if (expression.operators && !expression.groupStack.length) {
+        if (expression.operators) {
           if (this.lookAtCharCodeAhead(1) === CODE.CLOSE_ANGLE_BRACKET) {
             this.pos++;
-          } else if (!expression.forceType) {
+          } else if (!(expression.forceType || expression.groupStack.length)) {
             expression.inType = false;
           }