align registry template floco-cfg.nix with basic template (#61)

templates/basic/foverrides.nix

@@ -63,6 +63,14 @@ in {
     ##];
 
 
+    # The `copyTree' which will cause the `node_modules/' directory to be copied
+    # and made writable at when `build' scripts are run.
+    # This can help resolve common issues with packages using tools like
+    # `angular' which modify the contents of their `node_modules/' directory
+    # at build time.
+    ##built.copyTree = true;
+
+
 # ---------------------------------------------------------------------------- #
 
   };  # End target package overrides

templates/registry/floco-cfg.nix

@@ -7,11 +7,23 @@
 
 {
   imports = let
-    ifExist = builtins.filter builtins.pathExists [
-      ./pdefs.nix       # Generated `pdefs.nix'
-      ./foverrides.nix  # Explicit config
-    ];
-  in ifExist ++ [
+    maybePdefs =
+      if builtins.pathExists ./pdefs.nix  then [./pdefs.nix] else
+      if builtins.pathExists ./pdefs.json then [{
+        _file  = ./pdefs.json;
+        config = let
+          c = builtins.fromJSON ( builtins.readFile ./pdefs.json );
+        in c.config or c;
+      }] else [];
+    maybeFoverrides =
+      if builtins.pathExists ./foverrides.nix  then [./foverrides.nix] else
+      if builtins.pathExists ./foverrides.json then [{
+        _file  = ./foverrides.json;
+        config = let
+          c = builtins.fromJSON ( builtins.readFile ./foverrides.json );
+        in c.config or c;
+      }] else [];
+  in maybePdefs ++ maybeFoverrides ++ [
     # CHANGEME: If you depend on other `floco' projects, you can import their
     # `floco-cfg.nix' files here to make those configs available.
   ];

templates/registry/foverrides.nix

@@ -26,11 +26,18 @@ in {
     # Nixpkgs to the "install" phase environment.
     # This is useful for linking against libraries when running `node-gyp'
     # and providing other utilities that may be required.
+    #
+    # Below that segment, you'll see an option to `copyTree' which will cause
+    # the `node_modules/' directory to be copied and made writable at when
+    # `install' scripts are run.
+    # This can help resolve issues with packages such as `esbuild' which
+    # modify the contents of their `node_modules/' directory at install time.
 
     ##installed = { pkgs, ... }: {
     ##  extraBuildInputs = [
     ##    pkgs.pkgconfig
     ##  ];
+    ##  copyTree = true;
     ##};