From 0e579ee9dce917c1b783cea5506315f78b1e0a00 Mon Sep 17 00:00:00 2001
From: Kitson Kelly <me@kitsonkelly.com>
Date: Thu, 20 Feb 2020 14:35:21 +1100
Subject: fix: emit when bundle contains single module (#4042)

Fixes #4031

When a bundle contains a single module, we were incorrectly determining
the module name, resulting in a non-functional bundle.  This PR corrects
that determination.
---
 cli/js/util.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'cli/js')

diff --git a/cli/js/util.ts b/cli/js/util.ts
index e779fb5d7..faf4c99c6 100644
--- a/cli/js/util.ts
+++ b/cli/js/util.ts
@@ -306,7 +306,7 @@ export function normalizeString(
 export function commonPath(paths: string[], sep = "/"): string {
   const [first = "", ...remaining] = paths;
   if (first === "" || remaining.length === 0) {
-    return "";
+    return first.substring(0, first.lastIndexOf(sep) + 1);
   }
   const parts = first.split(sep);
 
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