Fix false positives for <i18n-t keypath> in no-unused-key rule (#252)

Author: ota-meshi

lib/utils/collect-keys.ts

@@ -203,9 +203,10 @@ export function collectKeysFromAST(
         }
       } else {
         if (
-          node.key.name === 'path' &&
-          (node.parent.parent.name === 'i18n' ||
-            node.parent.parent.name === 'i18n-t')
+          (node.key.name === 'path' &&
+            (node.parent.parent.name === 'i18n' ||
+              node.parent.parent.name === 'i18n-t')) ||
+          (node.key.name === 'keypath' && node.parent.parent.name === 'i18n-t')
         ) {
           debug(
             "call VElement:matches([name=i18n], [name=i18n-t]) > VStartTag > VAttribute[key.name='path'] handling ..."

tests/fixtures/no-unused-keys/invalid/constructor-option-format/src/App.vue

@@ -1,6 +1,7 @@
 <template>
   <div id="app">
-    <p v-t="'hello_dio'">{{ $t('messages.hello') }}</p>
+    <i18n-t keypath=hello_dio></i18n-t>
+    <p>{{ $t('messages.hello') }}</p>
   </div>
 </template>