From de9507b6ffe92aa3f1dc3d5efa41ac1dbaf22c37 Mon Sep 17 00:00:00 2001
From: Andrey Sukhonosov <andrey4897@gmail.com>
Date: Sat, 5 Oct 2019 22:42:49 +0300
Subject: [PATCH] fix(compiler/codegen): add simple expression node opening
 bracket for ConditionalExpression (#110)

---
 .../__tests__/__snapshots__/compile.spec.ts.snap              | 4 ++--
 .../__tests__/transforms/__snapshots__/vSlot.spec.ts.snap     | 2 +-
 packages/compiler-core/src/codegen.ts                         | 1 +
 3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/packages/compiler-core/__tests__/__snapshots__/compile.spec.ts.snap b/packages/compiler-core/__tests__/__snapshots__/compile.spec.ts.snap
index 1aafaf9e..d9ade929 100644
--- a/packages/compiler-core/__tests__/__snapshots__/compile.spec.ts.snap
+++ b/packages/compiler-core/__tests__/__snapshots__/compile.spec.ts.snap
@@ -35,7 +35,7 @@ return function render() {
     class: _ctx.bar.baz
   }, [
     toString(_ctx.world.burn()),
-    (openBlock(), _ctx.ok)
+    (openBlock(), (_ctx.ok)
       ? createBlock(\\"div\\", { key: 0 }, \\"yes\\")
       : createBlock(Fragment, { key: 1 }, [\\"no\\"])),
     (openBlock(), createBlock(Fragment, null, renderList(_ctx.list, (value, index) => {
@@ -57,7 +57,7 @@ export default function render() {
     class: _ctx.bar.baz
   }, [
     _toString(_ctx.world.burn()),
-    (openBlock(), _ctx.ok)
+    (openBlock(), (_ctx.ok)
       ? createBlock(\\"div\\", { key: 0 }, \\"yes\\")
       : createBlock(Fragment, { key: 1 }, [\\"no\\"])),
     (openBlock(), createBlock(Fragment, null, renderList(_ctx.list, (value, index) => {
diff --git a/packages/compiler-core/__tests__/transforms/__snapshots__/vSlot.spec.ts.snap b/packages/compiler-core/__tests__/transforms/__snapshots__/vSlot.spec.ts.snap
index 2532d053..8bbb14f2 100644
--- a/packages/compiler-core/__tests__/transforms/__snapshots__/vSlot.spec.ts.snap
+++ b/packages/compiler-core/__tests__/transforms/__snapshots__/vSlot.spec.ts.snap
@@ -71,7 +71,7 @@ return function render() {
   const _component_Comp = resolveComponent(\\"Comp\\")
   
   return (openBlock(), createBlock(_component_Comp, null, createSlots({ _compiled: true }, [
-    _ctx.ok)
+    (_ctx.ok)
       ? {
           name: \\"one\\",
           fn: (props) => [toString(props)]
diff --git a/packages/compiler-core/src/codegen.ts b/packages/compiler-core/src/codegen.ts
index 4c468e30..27e63eeb 100644
--- a/packages/compiler-core/src/codegen.ts
+++ b/packages/compiler-core/src/codegen.ts
@@ -528,6 +528,7 @@ function genConditionalExpression(
   const { push, indent, deindent, newline } = context
   if (test.type === NodeTypes.SIMPLE_EXPRESSION) {
     const needsParens = !isSimpleIdentifier(test.content)
+    needsParens && push(`(`)
     genExpression(test, context)
     needsParens && push(`)`)
   } else {