Fix vue/require-valid-default-prop

Author: armano2

lib/rules/require-valid-default-prop.js

@@ -97,11 +97,11 @@ module.exports = {
 
       const properties = props.value.properties.filter(p =>
         isPropertyIdentifier(p) &&
-        p.value.type === 'ObjectExpression'
+        utils.unwrapTypes(p.value).type === 'ObjectExpression'
       )
 
       for (const prop of properties) {
-        const type = getPropertyNode(prop.value, 'type')
+        const type = getPropertyNode(utils.unwrapTypes(prop.value), 'type')
         if (!type) continue
 
         const typeNames = new Set(getTypes(type.value)
@@ -111,7 +111,7 @@ module.exports = {
         // There is no native types detected
         if (typeNames.size === 0) continue
 
-        const def = getPropertyNode(prop.value, 'default')
+        const def = getPropertyNode(utils.unwrapTypes(prop.value), 'default')
         if (!def) continue
 
         const defType = getValueType(def.value)

tests/lib/rules/require-valid-default-prop.js

@@ -100,6 +100,21 @@ ruleTester.run('require-valid-default-prop', rule, {
         }
       })`,
       parserOptions
+    },
+    {
+      filename: 'test.vue',
+      code: `
+        export default (Vue as VueConstructor<Vue>).extend({
+          props: {
+            foo: {
+              type: [Object, Number],
+              default: 10
+            } as PropOptions<object>
+          }
+        });
+      `,
+      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
+      parser: 'typescript-eslint-parser'
     }
   ],
 
@@ -415,6 +430,20 @@ ruleTester.run('require-valid-default-prop', rule, {
       }`,
       parserOptions,
       errors: errorMessage('function or number')
+    },
+    {
+      filename: 'test.vue',
+      code: `export default (Vue as VueConstructor<Vue>).extend({
+        props: {
+          foo: {
+            type: [Object, Number],
+            default: {}
+          } as PropOptions<object>
+        }
+      });`,
+      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
+      parser: 'typescript-eslint-parser',
+      errors: errorMessage('function or number')
     }
   ]
 })