Fix legacy require

Author: inukshuk

CHANGELOG.md

@@ -1,3 +1,7 @@
+11.0.1 / 2021-12-01
+------------------
+- Fix legacy require
+
 11.0.0 / 2021-11-25
 ------------------
 - Update to Electron 16

lib/mocha.js

@@ -20,11 +20,13 @@ const {
 const cwd = process.cwd()
 
 const handleLegacyRequires = async (mods) => {
-  for (let mod of mods) {
-    if (existsSync(mod, { cwd }) || existsSync(`${mod}.js`, { cwd })) {
-      mod = resolve(mod)
+  if (mods) {
+    for (let mod of mods) {
+      if (existsSync(mod, { cwd }) || existsSync(`${mod}.js`, { cwd })) {
+        mod = resolve(mod)
+      }
+      require(mod)
     }
-    require(mod)
   }
 }