fix: support for type alias, close #62 (#66)

Author: xiaoxiangmoe

src/core/macros.ts

@@ -220,9 +220,6 @@ export function applyMacros(nodes: Statement[]) {
 
     return t.objectExpression(
       Object.entries(props).map(([key, value]) => {
-        if (value.type === 'null')
-          return t.objectProperty(t.identifier(key), t.nullLiteral())
-
         const prop = hasStaticDefaults
           ? (propsRuntimeDefaults as ObjectExpression).properties.find((node: any) => node.key.name === key) as ObjectProperty
           : undefined

test/__snapshots__/transform.test.ts.snap

@@ -369,7 +369,11 @@ __sfc_main.props = {
     required: false,
     type: Array
   },
-  any: null
+  any: {
+    key: \\"any\\",
+    required: true,
+    type: null
+  }
 };
 
 __sfc_main.setup = (__props, __ctx) => {
@@ -426,6 +430,28 @@ export default __sfc_main;
 "
 `;
 
+exports[`transform fixtures test/fixtures/MacrosType4.vue 1`] = `
+"<script lang=\\"ts\\">
+type Test = number[];
+const __sfc_main = {};
+__sfc_main.props = {
+  test: {
+    key: \\"test\\",
+    required: false,
+    type: null,
+    default: () => []
+  }
+};
+
+__sfc_main.setup = (__props, __ctx) => {
+  return {};
+};
+
+export default __sfc_main;
+</script>
+"
+`;
+
 exports[`transform fixtures test/fixtures/MacrosTypeAny.vue 1`] = `
 "<template>
   <div>
@@ -436,7 +462,11 @@ exports[`transform fixtures test/fixtures/MacrosTypeAny.vue 1`] = `
 <script lang=\\"ts\\">
 const __sfc_main = {};
 __sfc_main.props = {
-  value: null
+  value: {
+    key: \\"value\\",
+    required: true,
+    type: null
+  }
 };
 
 __sfc_main.setup = (__props, __ctx) => {

test/fixtures/MacrosType4.vue

@@ -0,0 +1,7 @@
+<script setup lang="ts">
+type Test = number[]
+withDefaults(
+  defineProps<{ test: Test }>(),
+  { test: () => [] },
+)
+</script>