From 5d9966f9eb4b1026356a3f824568f9804faa05ff Mon Sep 17 00:00:00 2001
From: LongYinan <longyinan.brooklyn@bytedance.com>
Date: Sun, 6 Sep 2020 19:07:53 +0800
Subject: [PATCH] fix(core): wrong this in function call expr in optional
 chains

---
 packages/core/index.ts                          |  2 +-
 .../optional-chain-function-call.spec.ts        | 17 +++++++++++++++++
 2 files changed, 18 insertions(+), 1 deletion(-)
 create mode 100644 packages/integrate/__tests__/optional-call/optional-chain-function-call.spec.ts

diff --git a/packages/core/index.ts b/packages/core/index.ts
index d89c9cd1a..cad8a071e 100644
--- a/packages/core/index.ts
+++ b/packages/core/index.ts
@@ -52,4 +52,4 @@ export function transform(source: string, path: string, options?: Options) {
   return bindings.transform(source, path, transformOption(path, options))
 }
 
-export const SWC_VERSION = '1.2.22'
+export const SWC_VERSION = '57112fc'
diff --git a/packages/integrate/__tests__/optional-call/optional-chain-function-call.spec.ts b/packages/integrate/__tests__/optional-call/optional-chain-function-call.spec.ts
new file mode 100644
index 000000000..906b26965
--- /dev/null
+++ b/packages/integrate/__tests__/optional-call/optional-chain-function-call.spec.ts
@@ -0,0 +1,17 @@
+import test from 'ava'
+
+test('optional chain function call', (t) => {
+  const obj = {
+    a: {
+      b: {
+        c: function () {
+          return this.foo
+        },
+        foo: 2,
+      },
+      foo: 1,
+    },
+  }
+
+  t.is(obj?.a?.b?.c(), 2)
+})