From a46a8ea486a4a7d2b6daf3ddd22bf83f88bc2951 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hu=C3=A1ng=20J=C3=B9nli=C3=A0ng?= <jlhwung@gmail.com>
Date: Fri, 27 Nov 2020 12:26:29 -0500
Subject: [PATCH 1/2] move @babel/helper-optimise-call-expression to ts

---
 .../src/{index.js => index.ts}                | 20 ++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)
 rename packages/babel-helper-optimise-call-expression/src/{index.js => index.ts} (73%)

diff --git a/packages/babel-helper-optimise-call-expression/src/index.js b/packages/babel-helper-optimise-call-expression/src/index.ts
similarity index 73%
rename from packages/babel-helper-optimise-call-expression/src/index.js
rename to packages/babel-helper-optimise-call-expression/src/index.ts
index 362588bd8598..703a26d29c18 100644
--- a/packages/babel-helper-optimise-call-expression/src/index.js
+++ b/packages/babel-helper-optimise-call-expression/src/index.ts
@@ -1,20 +1,26 @@
 import * as t from "@babel/types";
+import type {
+  CallExpression,
+  Expression,
+  OptionalCallExpression,
+  SpreadElement,
+} from "@babel/types";
 
 /**
  * A helper function that generates a new call expression with given thisNode.
  It will also optimize `(...arguments)` to `.apply(arguments)`
  *
  * @export
- * @param {Node} callee The callee of call expression
- * @param {Node} thisNode The desired this of call expression
- * @param {Node[]} args The arguments of call expression
+ * @param {Expression} callee The callee of call expression
+ * @param {Expression} thisNode The desired this of call expression
+ * @param {Readonly<Array<Expression | SpreadElement>>} args The arguments of call expression
  * @param {boolean} optional Whether the call expression is optional
  * @returns {CallExpression | OptionalCallExpression} The generated new call expression
  */
-export default function (
-  callee: Node,
-  thisNode: Node,
-  args: Node[],
+export default function optimiseCallExpression(
+  callee: Expression,
+  thisNode: Expression,
+  args: Readonly<Array<Expression | SpreadElement>>,
   optional: boolean,
 ): CallExpression | OptionalCallExpression {
   if (

From 34c189d88ff0e76d7bb8420301c5c6c1f60a59fe Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hu=C3=A1ng=20J=C3=B9nli=C3=A0ng?= <jlhwung@gmail.com>
Date: Tue, 1 Dec 2020 09:59:46 -0500
Subject: [PATCH 2/2] chore: add flow interface

---
 lib/babel-packages.js.flow | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/lib/babel-packages.js.flow b/lib/babel-packages.js.flow
index 2f2c9a61bcfe..11c681b051ee 100644
--- a/lib/babel-packages.js.flow
+++ b/lib/babel-packages.js.flow
@@ -34,3 +34,12 @@ declare module "@babel/template" {
     program: Program,
   };
 }
+
+declare module "@babel/helper-optimise-call-expression" {
+  declare export default function optimiseCallExpression(
+    callee: BabelNodeExpression,
+    thisNode: BabelNodeExpression,
+    args: $Readonly<Array<BabelNodeExpression | BabelNodeSpreadElement>>,
+    optional: boolean
+  ): BabelNodeCallExpression | BabelNodeOptionalCallExpression;
+}