From 99b5187a33e91ad8fa2dd93dc9be36d23c2fcab5 Mon Sep 17 00:00:00 2001
From: Leo Vasanko <leo@git>
Date: Sun, 13 Jul 2025 14:23:07 -0600
Subject: [PATCH] Build frontend as part of Python build

---
 pyproject.toml            |  4 ++++
 scripts/build-frontend.py | 36 ++++++++++++++++++++++++++++++++++++
 2 files changed, 40 insertions(+)
 create mode 100644 scripts/build-frontend.py

diff --git a/pyproject.toml b/pyproject.toml
index ffe6947..11c433a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -38,3 +38,7 @@ known-first-party = ["passkeyauth"]
 
 [project.scripts]
 serve = "passkeyauth.main:main"
+
+[tool.hatch.build]
+artifacts = ["passkeyauth/frontend-static"]
+targets.sdist.hooks.custom.path = "scripts/build-frontend.py"
diff --git a/scripts/build-frontend.py b/scripts/build-frontend.py
new file mode 100644
index 0000000..805419f
--- /dev/null
+++ b/scripts/build-frontend.py
@@ -0,0 +1,36 @@
+# noqa: INP001
+import os
+import shutil
+import subprocess
+from sys import stderr
+
+from hatchling.builders.hooks.plugin.interface import BuildHookInterface
+
+
+class CustomBuildHook(BuildHookInterface):
+    def initialize(self, version, build_data):
+        super().initialize(version, build_data)
+        stderr.write(">>> Building Jacloud frontend\n")
+        npm = None
+        bun = shutil.which("bun")
+        if bun is None:
+            npm = shutil.which("npm")
+            if npm is None:
+                raise RuntimeError(
+                    "Bun or NodeJS `npm` is required for building but neither was found"
+                )
+        # npm --prefix doesn't work on Windows, so we chdir instead
+        os.chdir("frontend")
+        try:
+            if npm:
+                stderr.write("### npm install\n")
+                subprocess.run([npm, "install"], check=True)  # noqa: S603
+                stderr.write("\n### npm run build\n")
+                subprocess.run([npm, "run", "build"], check=True)  # noqa: S603
+            else:
+                stderr.write("### bun install\n")
+                subprocess.run([bun, "install"], check=True)  # noqa: S603
+                stderr.write("\n### bun run build\n")
+                subprocess.run([bun, "run", "build"], check=True)  # noqa: S603
+        finally:
+            os.chdir("..")