From 935cdb7bdec1c77481877bc4c4e3a0824424da8a Mon Sep 17 00:00:00 2001
From: gram <git@orsinium.dev>
Date: Thu, 30 Oct 2025 17:41:09 +0100
Subject: [PATCH] Support new project for Moon

---
 .gitignore           |  1 +
 assets/main.mbt      | 26 ++++++++++++++++++++++++++
 assets/moon.mod.json |  4 ++++
 assets/moon.pkg.json |  9 +++++++++
 src/commands/new.rs  | 14 +++++++++++++-
 5 files changed, 53 insertions(+), 1 deletion(-)
 create mode 100644 assets/main.mbt
 create mode 100644 assets/moon.mod.json
 create mode 100644 assets/moon.pkg.json

diff --git a/.gitignore b/.gitignore
index e8149a4..85b3908 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 /.task/
 /test_app/target/
 .zig-cache/
+/assets/target/
diff --git a/assets/main.mbt b/assets/main.mbt
new file mode 100644
index 0000000..7ecad03
--- /dev/null
+++ b/assets/main.mbt
@@ -0,0 +1,26 @@
+///|
+using @firefly {type Point, type Size, type Style}
+
+///|
+fn main {
+
+}
+
+///|
+pub fn boot() -> Unit {
+  // ...
+}
+
+///|
+pub fn update() -> Unit {
+  // ...
+}
+
+///|
+pub fn render() -> Unit {
+  @firefly.draw_rect(
+    Point::new(10, 10),
+    Size::new(40, 15),
+    Style::new_solid(LightGray),
+  )
+}
diff --git a/assets/moon.mod.json b/assets/moon.mod.json
new file mode 100644
index 0000000..6c160f6
--- /dev/null
+++ b/assets/moon.mod.json
@@ -0,0 +1,4 @@
+{
+  "name": "app",
+  "preferred-target": "wasm"
+}
diff --git a/assets/moon.pkg.json b/assets/moon.pkg.json
new file mode 100644
index 0000000..3642b8c
--- /dev/null
+++ b/assets/moon.pkg.json
@@ -0,0 +1,9 @@
+{
+  "is-main": true,
+  "import": ["applejag/firefly"],
+  "link": {
+    "wasm": {
+      "exports": ["boot", "update", "render"]
+    }
+  }
+}
diff --git a/src/commands/new.rs b/src/commands/new.rs
index ad5157f..a27d2e4 100644
--- a/src/commands/new.rs
+++ b/src/commands/new.rs
@@ -29,7 +29,7 @@ pub fn cmd_new(args: &NewArgs) -> Result<()> {
         Lang::C => new_c(&args.name).context("new C project")?,
         Lang::Cpp => new_cpp(&args.name).context("new C++ project")?,
         Lang::Python => bail!("Python is not supported yet"),
-        Lang::Moon => bail!("Moon starter project is not supported yet"),
+        Lang::Moon => new_moon(&args.name).context("new Moon project")?,
     }
     write_config(&args.name)?;
     init_git(&args.name)?;
@@ -77,6 +77,7 @@ fn parse_lang(lang: &str) -> Result<Lang> {
         "ts" | "typescript" | "js" | "javascript" => Lang::TS,
         "cpp" | "c++" => Lang::Cpp,
         "python" | "py" => Lang::Python,
+        "moon" | "moonbit" => Lang::Moon,
         _ => bail!("unsupported language: {lang}"),
     };
     Ok(result)
@@ -145,6 +146,17 @@ fn new_c_or_cpp(name: &str, main: &str) -> Result<()> {
     Ok(())
 }
 
+fn new_moon(name: &str) -> Result<()> {
+    check_installed("Moon", "moon", "version")?;
+    let mut c = Commander::default();
+    c.cd(name)?;
+    c.copy_asset(&["main.mbt"], "main.mbt")?;
+    c.copy_asset(&["moon.mod.json"], "moon.mod.json")?;
+    c.copy_asset(&["moon.pkg.json"], "moon.pkg.json")?;
+    c.run(&["moon", "add", "applejag/firefly"])?;
+    Ok(())
+}
+
 #[derive(Default)]
 struct Commander<'a> {
     root: Option<&'a Path>,