Fix lint: prefer-template, add output: null to test cases

Author: johanrd

.claude/settings.local.json

@@ -0,0 +1,7 @@
+{
+  "permissions": {
+    "allow": [
+      "Bash(git add:*)"
+    ]
+  }
+}

lib/rules/template-no-capital-arguments.js

@@ -38,7 +38,7 @@ module.exports = {
           data: { name },
         });
       } else if (!ALLOWED_PREFIX.test(firstChar)) {
-        const lowercase = '@' + firstChar.toLowerCase() + part.slice(1);
+        const lowercase = `@${firstChar.toLowerCase()}${part.slice(1)}`;
         context.report({
           node,
           messageId: 'noCapitalArguments',

tests/lib/rules/template-no-capital-arguments.js

@@ -68,6 +68,7 @@ ruleTester.run('template-no-capital-arguments', rule, {
           </template>
         }
       `,
+      output: null,
       errors: [{ messageId: 'noCapitalArguments' }],
     },
     {
@@ -80,6 +81,7 @@ ruleTester.run('template-no-capital-arguments', rule, {
           </template>
         }
       `,
+      output: null,
       errors: [{ messageId: 'noCapitalArguments' }],
     },
     // Capital attr node
@@ -93,6 +95,7 @@ ruleTester.run('template-no-capital-arguments', rule, {
           </template>
         }
       `,
+      output: null,
       errors: [{ messageId: 'noCapitalArguments' }],
     },
     // Nested capital path
@@ -106,6 +109,7 @@ ruleTester.run('template-no-capital-arguments', rule, {
           </template>
         }
       `,
+      output: null,
       errors: [{ messageId: 'noCapitalArguments' }],
     },
     // Underscore prefix
@@ -119,6 +123,7 @@ ruleTester.run('template-no-capital-arguments', rule, {
           </template>
         }
       `,
+      output: null,
       errors: [{ messageId: 'noCapitalArguments' }],
     },
     {
@@ -131,6 +136,7 @@ ruleTester.run('template-no-capital-arguments', rule, {
           </template>
         }
       `,
+      output: null,
       errors: [{ messageId: 'noCapitalArguments' }],
     },
     // Reserved arguments in path expression
@@ -144,6 +150,7 @@ ruleTester.run('template-no-capital-arguments', rule, {
           </template>
         }
       `,
+      output: null,
       errors: [{ messageId: 'reservedArgument' }],
     },
     {
@@ -156,6 +163,7 @@ ruleTester.run('template-no-capital-arguments', rule, {
           </template>
         }
       `,
+      output: null,
       errors: [{ messageId: 'reservedArgument' }],
     },
     // Reserved arguments in attr position
@@ -169,6 +177,7 @@ ruleTester.run('template-no-capital-arguments', rule, {
           </template>
         }
       `,
+      output: null,
       errors: [{ messageId: 'reservedArgument' }],
     },
     {
@@ -181,6 +190,7 @@ ruleTester.run('template-no-capital-arguments', rule, {
           </template>
         }
       `,
+      output: null,
       errors: [{ messageId: 'reservedArgument' }],
     },
   ],