From c0d20e00f5b522070ad5ecb39ce76b478cb67b47 Mon Sep 17 00:00:00 2001
From: Alex David <git@alexd.me>
Date: Mon, 13 Nov 2023 10:16:08 -0800
Subject: [PATCH] Experiment 2

---
 ts/project.ts | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/ts/project.ts b/ts/project.ts
index 5f985915..f9a025dc 100644
--- a/ts/project.ts
+++ b/ts/project.ts
@@ -22,8 +22,8 @@ export type ProjectData = {
   defaultExecutable?: Executable;
 };
 
-export type Plugin<Additions> = (
-  project: Project
+export type Plugin<Dependencies, Additions> = (
+  project: Dependencies
 ) => Additions;
 
 type ProjectHelpers = {
@@ -84,7 +84,7 @@ type ProjectHelpers = {
    */
   add<T extends Project, Additions>(
     this: T,
-    fn: Plugin<Additions>,
+    fn: T extends infer Dependencies ? Plugin<Dependencies, Additions> : never,
   ): Omit<T, keyof Additions> & Additions;
 
   /**
@@ -221,7 +221,7 @@ const proxyEnvironmentHelpers = (): ProjectHelpers => ({
 
   add<T extends Project, Additions>(
     this: T,
-    fn: Plugin<Additions>
+    fn: T extends infer Dependencies ? Plugin<Dependencies, Additions> : never,
   ): Omit<T, keyof Additions> & Additions {
     return {
       ...this,