fix: wrong null value

Author: LittleSound

packages/compiler-vapor/__tests__/transforms/__snapshots__/transformSlotOutlet.spec.ts.snap

@@ -4,7 +4,7 @@ exports[`compiler: transform <slot> outlets > default slot outlet 1`] = `
 "import { createSlot as _createSlot } from 'vue/vapor';
 
 export function render(_ctx) {
-  const n0 = _createSlot("default")
+  const n0 = _createSlot("default", null)
   return n0
 }"
 `;
@@ -14,7 +14,7 @@ exports[`compiler: transform <slot> outlets > default slot outlet with fallback
 const t0 = _template("<div></div>")
 
 export function render(_ctx) {
-  const n0 = _createSlot("default", () => {
+  const n0 = _createSlot("default", null, () => {
     const n2 = t0()
     return n2
   })
@@ -39,7 +39,7 @@ exports[`compiler: transform <slot> outlets > dynamically named slot outlet 1`]
 "import { createSlot as _createSlot } from 'vue/vapor';
 
 export function render(_ctx) {
-  const n0 = _createSlot(() => (_ctx.foo + _ctx.bar))
+  const n0 = _createSlot(() => (_ctx.foo + _ctx.bar), null)
   return n0
 }"
 `;
@@ -48,7 +48,7 @@ exports[`compiler: transform <slot> outlets > dynamically named slot outlet with
 "import { createSlot as _createSlot } from 'vue/vapor';
 
 export function render(_ctx) {
-  const n0 = _createSlot(() => (_ctx.name))
+  const n0 = _createSlot(() => (_ctx.name), null)
   return n0
 }"
 `;
@@ -58,7 +58,7 @@ exports[`compiler: transform <slot> outlets > named slot outlet with fallback 1`
 const t0 = _template("<div></div>")
 
 export function render(_ctx) {
-  const n0 = _createSlot("foo", () => {
+  const n0 = _createSlot("foo", null, () => {
     const n2 = t0()
     return n2
   })
@@ -70,7 +70,7 @@ exports[`compiler: transform <slot> outlets > statically named slot outlet 1`] =
 "import { createSlot as _createSlot } from 'vue/vapor';
 
 export function render(_ctx) {
-  const n0 = _createSlot("foo")
+  const n0 = _createSlot("foo", null)
   return n0
 }"
 `;

packages/compiler-vapor/__tests__/transforms/transformSlotOutlet.spec.ts

@@ -207,4 +207,6 @@ describe('compiler: transform <slot> outlets', () => {
       },
     ])
   })
+
+  test.todo('error on unexpected custom directive on <slot>')
 })

packages/compiler-vapor/src/generators/slotOutlet.ts

@@ -34,7 +34,7 @@ export function genSlotOutlet(oper: SlotOutletIRNode, context: CodegenContext) {
     ...genCall(
       vaporHelper('createSlot'),
       nameExpr,
-      genRawProps() || false,
+      genRawProps() || 'null',
       fallbackArg,
     ),
   )