From 4c266bb7c8a9c94791f928507a8d2bd8c4912aa9 Mon Sep 17 00:00:00 2001
From: Yun Jia <yunjia@me.com>
Date: Sun, 24 Mar 2019 21:39:17 -0700
Subject: [PATCH] Fix #358: handle array destructuring assignment

Also a new test case is added to `misc tests -> misc tests`
---
 src/ast-utils.js                              |  4 +++
 .../array-destructuring-assignment/main.js    |  9 ++++++
 test/test.js                                  | 32 +++++++++++++++++++
 3 files changed, 45 insertions(+)
 create mode 100644 test/samples/array-destructuring-assignment/main.js

diff --git a/src/ast-utils.js b/src/ast-utils.js
index cc6e901..4eaeb7f 100644
--- a/src/ast-utils.js
+++ b/src/ast-utils.js
@@ -60,6 +60,10 @@ const extractors = {
 
 	AssignmentPattern(names, node) {
 		extractors[node.left.type](names, node.left);
+	},
+
+	MemberExpression(names, node) {
+		extractors[node.property.type](names, node.property)
 	}
 };
 
diff --git a/test/samples/array-destructuring-assignment/main.js b/test/samples/array-destructuring-assignment/main.js
new file mode 100644
index 0000000..451ba3e
--- /dev/null
+++ b/test/samples/array-destructuring-assignment/main.js
@@ -0,0 +1,9 @@
+
+function shuffleArray(array) {
+  for (let i = array.length - 1; i > 0; i--) {
+    const j = Math.floor(Math.random() * (i + 1));
+    [array[i], array[j]] = [array[j], array[i]];
+  }
+}
+
+exports.shuffleArray = shuffleArray;
diff --git a/test/test.js b/test/test.js
index f4b4033..6deae88 100644
--- a/test/test.js
+++ b/test/test.js
@@ -727,6 +727,38 @@ var esm = /*#__PURE__*/Object.freeze({
 var main = esm;
 
 module.exports = main;
+`
+			);
+		});
+
+		it('handles array destructuring assignment', async () => {
+			const bundle = await rollup({
+				input: 'samples/array-destructuring-assignment/main.js',
+				plugins: [commonjs({ sourceMap: true })]
+			});
+
+			const code = await getCodeFromBundle(bundle);
+			assert.equal(
+				code,
+				`'use strict';
+
+Object.defineProperty(exports, '__esModule', { value: true });
+
+function shuffleArray(array) {
+  for (let i = array.length - 1; i > 0; i--) {
+    const j = Math.floor(Math.random() * (i + 1));
+    [array[i], array[j]] = [array[j], array[i]];
+  }
+}
+
+var shuffleArray_1 = shuffleArray;
+
+var main = {
+	shuffleArray: shuffleArray_1
+};
+
+exports.default = main;
+exports.shuffleArray = shuffleArray_1;
 `
 			);
 		});