From e143b1358009a5657eccdeb158d8bfd5dfaa7bdb Mon Sep 17 00:00:00 2001
From: Colum Ferry <cferry09@gmail.com>
Date: Wed, 24 Jul 2024 14:49:22 +0100
Subject: [PATCH] fix(bundling): get workspace package prefix length correctly
 #20817

---
 .../executors/esbuild/lib/build-esbuild-options.ts    | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/packages/esbuild/src/executors/esbuild/lib/build-esbuild-options.ts b/packages/esbuild/src/executors/esbuild/lib/build-esbuild-options.ts
index 79c13fa14fc8d..26ec6f2f14c72 100644
--- a/packages/esbuild/src/executors/esbuild/lib/build-esbuild-options.ts
+++ b/packages/esbuild/src/executors/esbuild/lib/build-esbuild-options.ts
@@ -291,7 +291,16 @@ require('${mainFile}');
 }
 
 function getPrefixLength(pattern: string): number {
-  return pattern.substring(0, pattern.indexOf('*')).length;
+  const prefixIfWildcard = pattern.substring(0, pattern.indexOf('*')).length;
+  const prefixWithoutWildcard = pattern.substring(
+    0,
+    pattern.lastIndexOf('/')
+  ).length;
+  // if the pattern doesn't contain '*', then the length is always 0
+  // This causes issues when there are sub packages such as
+  // @nx/core
+  // @nx/core/testing
+  return prefixIfWildcard || prefixWithoutWildcard;
 }
 
 function getTsConfigCompilerPaths(context: ExecutorContext): {