feat: support return statement return nothing

Author: tyankatsu0105

lib/rules/no-use-computed-property-like-method.js

@@ -92,9 +92,15 @@ const getValueType = ({ property, propertyMap }) => {
         const returnStatement = blockStatement.body.find(
           (b) => b.type === 'ReturnStatement'
         )
+
         if (!returnStatement || returnStatement.type !== 'ReturnStatement')
           return
 
+        if (returnStatement.argument === null)
+          return {
+            type: 'ReturnStatementHasNotArgument'
+          }
+
         if (
           property.groupName === 'computed' &&
           propertyMap &&

tests/lib/rules/no-use-computed-property-like-method.js

@@ -662,6 +662,28 @@ tester.run('no-use-computed-property-like-method', rule, {
       errors: [
         'Use this.computedReturnObject instead of this.computedReturnObject().'
       ]
+    },
+    {
+      filename: 'test.vue',
+      code: `
+      <script>
+        export default {
+          computed: {
+            computedReturnNothing() {
+              return
+            },
+          },
+          methods: {
+            fn() {
+              this.computedReturnNothing()
+            }
+          }
+        }
+      </script>
+      `,
+      errors: [
+        'Use this.computedReturnNothing instead of this.computedReturnNothing().'
+      ]
     }
   ]
 })