Purescript development tools

pkgs/emacs/default.nix

@@ -16,7 +16,6 @@ emacsWithPackages (
       evil-collection
       fira-code-mode
       haskell-mode
-      notmuch
       helm
       helm-ag
       helm-company
@@ -27,11 +26,15 @@ emacsWithPackages (
       lsp-python-ms
       magit
       nix-mode
+      notmuch
       org-download
       org-fragtog
       org-roam
       org-superstar
       projectile
+      psc-ide
+      psci
+      purescript-mode
       rainbow-delimiters
       rainbow-identifiers
       sudo-utils

users/ccr/default.nix

@@ -2,6 +2,7 @@
 {
   home-manager.users.ccr = { suites, ... }: {
     imports = with suites; shell ++ gui ++ browser ++ multimedia ++ emails ++ dev ++ base;
+
     home.packages = with pkgs; [
       ack
       ranger
@@ -15,10 +16,6 @@
       yarn
       yarn2nix
       texlive.combined.scheme-full
-      purescript
-      spago
-      nodePackages.parcel-bundler
-      nodejs
     ];
   };
 

users/profiles/emacs/default.nix

@@ -17,7 +17,20 @@
       DICPATH = "${pkgs.hunspellDicts.it_IT}/share/hunspell:${pkgs.hunspellDicts.en_US}/share/hunspell";
     } else { };
 
-  home.packages = with pkgs; [
+  home.packages =
+    let
+      easy-ps = import
+        (pkgs.fetchFromGitHub {
+          owner = "justinwoo";
+          repo = "easy-purescript-nix";
+          rev = "7802db65618c2ead3a55121355816b4c41d276d9";
+          sha256 = "0n99hxxcp9yc8yvx7bx4ac6askinfark7dnps3hzz5v9skrvq15q";
+        })
+        {
+          inherit pkgs;
+        };
+    in
+    with pkgs; [
       python3Full
       fd
       ag
@@ -39,5 +52,15 @@
           mimeType = "x-scheme-handler/org-protocol";
         }
       )
-  ] ++ (if pkgs.system == "x86_64-linux" then [ python-language-server ] else [ ]);
+    ] ++ (if pkgs.system == "x86_64-linux" then [
+      python-language-server
+    ] ++ (with easy-ps; [
+      purs
+      spago
+      spago2nix
+      pulp
+      purescript-language-server
+      purs-tidy
+      nodejs
+    ]) else [ ]);
 }

users/profiles/emacs/emacs.d/config/config-evil.el

@@ -1,7 +1,8 @@
 
 (use-package evil
-  :init
-  (setq evil-want-keybinding nil)
+  :custom
+  (evil-want-keybinding nil)
+  (evil-undo-system 'undo-redo)
   :config
     (evil-mode 1) ; globally enable evil-mode except for the following modes
     (mapcar (lambda (mode) (evil-set-initial-state mode 'emacs))

users/profiles/emacs/emacs.d/config/config-nix.el

@@ -15,4 +15,4 @@
 
 (global-set-key [f6] 'nixos-rebuild-test)
 
-(provide 'nix)
+(provide 'config-nix)

users/profiles/emacs/emacs.d/config/config-purescript.el

@@ -0,0 +1,47 @@
+(use-package psc-ide
+  :custom
+  (psc-ide-rebuild-on-save t)
+  
+  :config
+  ;; The following is stolen from the Spacemacs purescript layer 
+  
+  (defun purescript-purs-tidy-format-buffer ()
+    "Format buffer with purs-tidy."
+    (interactive)
+    (if (executable-find "purs-tidy")
+	(let*  ((extension (file-name-extension (or buffer-file-name "tmp.purs") t))
+		(tmpfile (make-temp-file "~fmt-tmp" nil extension))
+		(coding-system-for-read 'utf-8)
+		(coding-system-for-write 'utf-8)
+		(outputbuf (get-buffer-create "*~fmt-tmp.purs*")))
+          (unwind-protect
+              (progn
+		(with-current-buffer outputbuf (erase-buffer))
+		(write-region nil nil tmpfile)
+		(if (zerop (apply #'call-process-region nil nil "purs-tidy" nil
+                                  `(,outputbuf ,tmpfile) nil
+                                  `("format")))
+                    (let ((p (point)))
+                      (save-excursion
+			(with-current-buffer (current-buffer)
+                          (replace-buffer-contents outputbuf)))
+                      (goto-char p)
+                      (message "formatted.")
+                      (kill-buffer outputbuf))
+                  (message "Formatting failed!")
+                  (display-buffer outputbuf)))
+            (delete-file tmpfile)))
+      (error "purs-tidy not found")))
+
+  :hook
+  (before-save . purescript-purs-tidy-format-buffer)
+  (purescript-mode . (lambda ()
+		       (psc-ide-mode)
+		       (company-mode)
+		       (flycheck-mode)
+		       (turn-on-purescript-indentation)
+		       )))
+
+(use-package psci)
+
+(provide 'config-purescript)

users/profiles/emacs/emacs.d/init.el

@@ -24,6 +24,7 @@ Return nil if COMMAND is not found anywhere in `exec-path'."
 (require 'config-lsp)
 (require 'config-python)
 (require 'config-spelling)
-(require 'nix)
+(require 'config-nix)
+(require 'config-purescript)
 
 (server-start)