From 94a97d18ea7fd17d52d6d20b08eccfa2e1bace9b Mon Sep 17 00:00:00 2001
From: Simon He <57086651+Simon-He95@users.noreply.github.com>
Date: Sat, 21 Oct 2023 21:45:03 +0800
Subject: [PATCH 1/2] perf(compiler-sfc): defineOptions avoid redundant
 conditional judgments

---
 packages/compiler-sfc/src/script/defineOptions.ts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/packages/compiler-sfc/src/script/defineOptions.ts b/packages/compiler-sfc/src/script/defineOptions.ts
index 8da3dbc0b4d..5f81c200507 100644
--- a/packages/compiler-sfc/src/script/defineOptions.ts
+++ b/packages/compiler-sfc/src/script/defineOptions.ts
@@ -37,9 +37,9 @@ export function processDefineOptions(
         prop.key.type === 'Identifier'
       ) {
         if (prop.key.name === 'props') propsOption = prop
-        if (prop.key.name === 'emits') emitsOption = prop
-        if (prop.key.name === 'expose') exposeOption = prop
-        if (prop.key.name === 'slots') slotsOption = prop
+        else if (prop.key.name === 'emits') emitsOption = prop
+        else if (prop.key.name === 'expose') exposeOption = prop
+        else if (prop.key.name === 'slots') slotsOption = prop
       }
     }
   }

From 2a1cce68cd06606a3301d9bbc5c131b29db9a5df Mon Sep 17 00:00:00 2001
From: Simon He <57086651+Simon-He95@users.noreply.github.com>
Date: Mon, 23 Oct 2023 09:51:01 +0800
Subject: [PATCH 2/2] refactor: with switch syntax

---
 .../compiler-sfc/src/script/defineOptions.ts  | 21 +++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

diff --git a/packages/compiler-sfc/src/script/defineOptions.ts b/packages/compiler-sfc/src/script/defineOptions.ts
index 5f81c200507..6748e5b4e6d 100644
--- a/packages/compiler-sfc/src/script/defineOptions.ts
+++ b/packages/compiler-sfc/src/script/defineOptions.ts
@@ -36,10 +36,23 @@ export function processDefineOptions(
         (prop.type === 'ObjectProperty' || prop.type === 'ObjectMethod') &&
         prop.key.type === 'Identifier'
       ) {
-        if (prop.key.name === 'props') propsOption = prop
-        else if (prop.key.name === 'emits') emitsOption = prop
-        else if (prop.key.name === 'expose') exposeOption = prop
-        else if (prop.key.name === 'slots') slotsOption = prop
+        switch (prop.key.name) {
+          case 'props':
+            propsOption = prop
+            break
+
+          case 'emits':
+            emitsOption = prop
+            break
+
+          case 'expose':
+            exposeOption = prop
+            break
+
+          case 'slots':
+            slotsOption = prop
+            break
+        }
       }
     }
   }