Fix false negatives for with withDefaults in vue/no-mutating-props rule. (#1537)

Author: ota-meshi

Diff for: lib/rules/no-mutating-props.js

@@ -204,16 +204,27 @@ module.exports = {
             object: node
           }
 
+          let target = node
           if (
-            !node.parent ||
-            node.parent.type !== 'VariableDeclarator' ||
-            node.parent.init !== node
+            target.parent &&
+            target.parent.type === 'CallExpression' &&
+            target.parent.arguments[0] === target &&
+            target.parent.callee.type === 'Identifier' &&
+            target.parent.callee.name === 'withDefaults'
+          ) {
+            target = target.parent
+          }
+
+          if (
+            !target.parent ||
+            target.parent.type !== 'VariableDeclarator' ||
+            target.parent.init !== target
           ) {
             return
           }
 
           for (const { node: prop, path } of iteratePatternProperties(
-            node.parent.id,
+            target.parent.id,
             []
           )) {
             verifyPropVariable(prop, path)

Diff for: tests/lib/rules/no-mutating-props.js

@@ -784,6 +784,26 @@ ruleTester.run('no-mutating-props', rule, {
           line: 6
         }
       ]
+    },
+    {
+      filename: 'test.vue',
+      code: `
+        <script setup lang="ts">
+        const props = withDefaults(defineProps<Props>(), {
+          msg: 'hello'
+        })
+        props.value++
+        </script>
+      `,
+      parserOptions: {
+        parser: require.resolve('@typescript-eslint/parser')
+      },
+      errors: [
+        {
+          message: 'Unexpected mutation of "value" prop.',
+          line: 6
+        }
+      ]
     }
   ]
 })