deno-with-packages/flake.nix
2025-08-05 20:59:34 +07:00

59 lines
1.7 KiB
Nix

{
description = "Builds a shared cache for Deno packages based on lock files";
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
flake-utils.url = "github:numtide/flake-utils";
};
outputs = { self, nixpkgs, flake-utils }:
flake-utils.lib.eachDefaultSystem (system:
let
pkgs = nixpkgs.legacyPackages.${system};
in rec
{
lib = {
# Extract NPM dependencies from a single Deno lock file
denoLockfileToNpmDeps = import ./lib/lockfile-to-npm-deps.nix { self = lib; };
# Create a shared Deno cache from multiple lock files
denoSharedCache = import ./lib/shared-cache.nix { self = lib; };
# Install shared cache into DENO_DIR
installDenoCache = import ./lib/install-cache.nix;
denoNpmRegistryHostname = "registry.npmjs.org";
};
devShells.default = pkgs.mkShell {
buildInputs = with pkgs; [
deno
];
shellHook =
let
# Example
sharedCache = self.lib.${system}.denoSharedCache {
inherit pkgs;
lockfiles = [ ./deno.lock ]; # Add your lock files here
};
installScript = self.lib.${system}.installDenoCache {
inherit pkgs;
cache = sharedCache;
};
in
''
export DENO_DIR="$PWD/.deno_cache"
if [ -d "${sharedCache}" ]; then
echo "Installing Deno shared cache..."
${installScript}/bin/install-deno-cache
fi
echo "Deno development environment ready!"
echo "DENO_DIR is set to: $DENO_DIR"
'';
};
}
);
}