Match the template block of a semicolon-less TOC in multi-template files

lib/resolver/template-source.ts

@@ -279,8 +279,11 @@ function readGts(
   for (const block of templates) {
     if (!block.range) continue;
     const start = block.range.startUtf16Codepoint;
-    const end = block.range.endUtf16Codepoint;
-    if (start >= resolvedRange.start && end <= resolvedRange.end) {
+    if (start < resolvedRange.start) continue;
+    // `const X = <template>` without a semicolon: the blanked initializer
+    // leaves the statement ending at `=`, so the block follows the range
+    // across whitespace only.
+    if (start < resolvedRange.end || /^\s*$/.test(contents.slice(resolvedRange.end, start))) {
       return { content: block.contents, origin: file, kind };
     }
   }

test/glint-fixtures/toc-expression-no-semicolon.gts

@@ -0,0 +1,11 @@
+// Two template-only components in expression form without a trailing
+// semicolon. Blanking the templates before the TS parse leaves each
+// `export const X = ` with no initializer, so the statement's range
+// ends before its template block.
+export const Bar = <template>
+  <div class='bar'>{{yield}}</div>
+</template>
+
+export const Baz = <template>
+  <span class='baz'>{{yield}}</span>
+</template>

test/resolver/template-source.test.ts

@@ -56,6 +56,14 @@ describe('findTemplateSource', () => {
     expect(result?.content).not.toContain('<div ...attributes');
   });
 
+  test('multi-template file: expression-form TOCs without semicolons resolve by name', () => {
+    const declFile = path.join(FIXTURES, 'toc-expression-no-semicolon.gts');
+    const bar = findTemplateSource({ declFile, componentName: 'Bar', ts });
+    expect(bar?.content).toContain("<div class='bar'>");
+    const baz = findTemplateSource({ declFile, componentName: 'Baz', ts });
+    expect(baz?.content).toContain("<span class='baz'>");
+  });
+
   test('reads .hbs source directly', () => {
     const declFile = path.join(FIXTURES, 'node_modules/classic-card-addon/addon/components/classic-card.hbs');
     const result = findTemplateSource({ declFile, ts });