From 32f6510c0b2550a6c693013a8fab41bd48eacfc0 Mon Sep 17 00:00:00 2001
From: Sondre Gjellestad <sondre.gjellestad@icloud.com>
Date: Wed, 3 Nov 2021 17:05:34 +0100
Subject: [PATCH] Fix for certain child modules not getting cleared (#20)

---
 fixture-empty.js           |  3 +++
 fixture-with-dependency.js |  2 ++
 index.js                   |  4 ++--
 test.js                    | 10 ++++++++++
 4 files changed, 17 insertions(+), 2 deletions(-)
 create mode 100644 fixture-empty.js

diff --git a/fixture-empty.js b/fixture-empty.js
new file mode 100644
index 0000000..8b46fbb
--- /dev/null
+++ b/fixture-empty.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = {};
diff --git a/fixture-with-dependency.js b/fixture-with-dependency.js
index 436723d..5e9284f 100644
--- a/fixture-with-dependency.js
+++ b/fixture-with-dependency.js
@@ -1,5 +1,7 @@
 'use strict';
 
+// eslint-disable-next-line no-unused-vars
+const _ = require('./fixture-empty');
 const fixture = require('./fixture');
 
 module.exports = () => fixture();
diff --git a/index.js b/index.js
index b61e833..e28abdb 100644
--- a/index.js
+++ b/index.js
@@ -33,12 +33,12 @@ const clear = moduleId => {
 
 	// Remove all descendants from cache as well
 	if (require.cache[filePath]) {
-		const {children} = require.cache[filePath];
+		const children = require.cache[filePath].children.map(child => child.id);
 
 		// Delete module from cache
 		delete require.cache[filePath];
 
-		for (const {id} of children) {
+		for (const id of children) {
 			clear(id);
 		}
 	}
diff --git a/test.js b/test.js
index 0cc2e26..840592d 100644
--- a/test.js
+++ b/test.js
@@ -36,6 +36,16 @@ test('clearModule() recursively', t => {
 	t.is(require(id)(), 1);
 });
 
+test('clearModule() recursively, multiple imports', t => {
+	clearModule.all();
+	const id = './fixture-with-dependency';
+	t.is(require(id)(), 1);
+	t.is(require(id)(), 2);
+	t.is(require(id)(), 3);
+	clearModule(id);
+	t.is(require(id)(), 1);
+});
+
 test('clearModule.single()', t => {
 	clearModule.all();
 	const id = './fixture-with-dependency';