From cc102a9e8e7e8c88a9a4d1e80cc498ad51577e58 Mon Sep 17 00:00:00 2001
From: David Sherret <dsherret@gmail.com>
Date: Fri, 24 Nov 2023 10:43:04 -0500
Subject: [PATCH] fix: warn when someone specifies 'files' in a package.json

---
 mod.ts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/mod.ts b/mod.ts
index 0a3d52d..740ffde 100644
--- a/mod.ts
+++ b/mod.ts
@@ -499,6 +499,13 @@ export async function build(options: BuildOptions): Promise<void> {
   }
 
   function createPackageJson() {
+    if (options.package?.files != null) {
+      warn(
+        "Specifying `files` for the package.json is not recommended " +
+          "because it will cause the .npmignore file to not be respected.",
+      );
+    }
+
     const packageJsonObj = getPackageJson({
       entryPoints,
       transformOutput,