chore(emacs): refactor emacs config

config/emacs/.gitignore

@@ -1,2 +1,3 @@
 var
 undo
+elpa

config/emacs/early-init.el

@@ -0,0 +1,159 @@
+;;; early-init.el --- Early Init -*- lexical-binding: t; -*-
+
+;;; Startup time
+(defvar rs/show-startup-time t
+  "If non-nil, display startup time after Emacs loads.")
+
+(defun rs/display-startup-time ()
+  "Display startup time in milliseconds and seconds."
+  (when rs/show-startup-time
+    (let* ((time (float-time (time-subtract after-init-time before-init-time)))
+           (ms (* time 1000)))
+      (message "Emacs loaded in %.0fms (%.2fs) with %d garbage collections."
+               ms time gcs-done))))
+
+(add-hook 'emacs-startup-hook #'rs/display-startup-time 110)
+
+;;; GC optimization
+(defvar rs/backup-gc-cons-threshold gc-cons-threshold)
+(defvar rs/backup-gc-cons-percentage gc-cons-percentage)
+(setq gc-cons-threshold most-positive-fixnum)
+(setq gc-cons-percentage 1.0)
+
+;;; Directories
+(defvar rs/emacs-dir user-emacs-directory)
+(defvar rs/lib-dir (expand-file-name "lib/" rs/emacs-dir))
+(defvar rs/var-dir (expand-file-name "var/" rs/emacs-dir))
+
+(setq package-user-dir (expand-file-name "elpa/" rs/var-dir))
+(setq user-emacs-directory rs/var-dir)
+(setq custom-file null-device)
+(setq custom-theme-directory (expand-file-name "themes/" rs/emacs-dir))
+
+;;; Restore GC after startup
+(add-hook 'emacs-startup-hook
+          (lambda ()
+            (setq gc-cons-threshold (* 64 1024 1024))
+            (setq gc-cons-percentage 0.1)) 105)
+
+;;; Native compilation
+(when (and (featurep 'native-compile)
+           (fboundp 'native-comp-available-p)
+           (native-comp-available-p))
+  (setq package-native-compile t)
+  (setq native-comp-async-report-warnings-errors 'silent)
+  (setq native-compile-prune-cache t)
+  (startup-redirect-eln-cache (expand-file-name "eln-cache/" rs/var-dir)))
+
+(setq native-comp-warning-on-missing-source nil)
+(setq jka-compr-verbose nil)
+(setq byte-compile-warnings nil)
+(setq byte-compile-verbose nil)
+
+;;; GCC paths for macOS
+(when-let* ((gcc-base "/opt/homebrew/opt/gcc/lib/gcc/current")
+            ((file-directory-p gcc-base)))
+  (setenv "LIBRARY_PATH"
+          (string-join
+           (delq nil
+                 (list gcc-base
+                       (let ((jit-path "/opt/homebrew/opt/libgccjit/lib/gcc/current"))
+                         (when (file-directory-p jit-path) jit-path))
+                       (car (last (file-expand-wildcards
+                                   (concat gcc-base "/gcc/aarch64-apple-darwin*/*"))))))
+           ":")))
+
+;;; Misc performance
+(setq load-prefer-newer t)
+(setq read-process-output-max (* 2 1024 1024))
+(setq process-adaptive-read-buffering nil)
+(setq ffap-machine-p-known 'reject)
+(setq ad-redefinition-action 'accept)
+(setq warning-suppress-types '((lexical-binding)))
+(setq inhibit-compacting-font-caches t)
+
+(when (boundp 'pgtk-wait-for-event-timeout)
+  (setq pgtk-wait-for-event-timeout 0.001))
+
+;;; File name handler optimization
+(defvar rs/old-file-name-handler-alist (default-toplevel-value 'file-name-handler-alist))
+
+(defun rs/restore-file-name-handler-alist ()
+  (set-default-toplevel-value
+   'file-name-handler-alist
+   (delete-dups (append file-name-handler-alist rs/old-file-name-handler-alist))))
+
+(unless (daemonp)
+  (set-default-toplevel-value
+   'file-name-handler-alist
+   (if (locate-file-internal "calc-loaddefs.el" load-path)
+       nil
+     (list (rassq 'jka-compr-handler rs/old-file-name-handler-alist))))
+  (put 'file-name-handler-alist 'initial-value rs/old-file-name-handler-alist)
+  (add-hook 'emacs-startup-hook #'rs/restore-file-name-handler-alist 101))
+
+;;; UI - disable before frame creation
+(setq default-frame-alist '((background-color . "#072626")
+                            (ns-appearance . dark)
+                            (ns-transparent-titlebar . t)
+                            (menu-bar-lines . 0)
+                            (tool-bar-lines . 0)
+                            (vertical-scroll-bars . nil)
+                            (horizontal-scroll-bars . nil)
+                            (frame-resize-pixelwise . t)))
+
+(setq frame-resize-pixelwise t)
+(setq frame-inhibit-implied-resize t)
+(setq auto-mode-case-fold nil)
+
+(setq inhibit-splash-screen t)
+(setq inhibit-startup-screen t)
+(setq inhibit-startup-echo-area-message user-login-name)
+(setq inhibit-startup-buffer-menu t)
+(setq inhibit-x-resources t)
+(setq initial-buffer-choice nil)
+(setq initial-scratch-message nil)
+(setq initial-major-mode 'fundamental-mode)
+
+(setq menu-bar-mode nil)
+(setq tool-bar-mode nil)
+(setq scroll-bar-mode nil)
+
+(setq frame-title-format "%b – Emacs")
+(setq icon-title-format frame-title-format)
+
+;; Bidirectional text optimization
+(setq-default bidi-display-reordering 'left-to-right)
+(setq-default bidi-paragraph-direction 'left-to-right)
+(setq bidi-inhibit-bpa t)
+
+;; Suppress startup messages
+(advice-add 'display-startup-echo-area-message :override #'ignore)
+(advice-add 'display-startup-screen :override #'ignore)
+
+;; Unset irrelevant command line options
+(unless (eq system-type 'darwin)
+  (setq command-line-ns-option-alist nil))
+(unless (memq initial-window-system '(x pgtk))
+  (setq command-line-x-option-alist nil))
+
+;;; Security
+(setq gnutls-verify-error t)
+(setq tls-checktrust t)
+(setq gnutls-min-prime-bits 3072)
+
+;;; Package archives
+(setq package-enable-at-startup nil)
+(setq use-package-always-ensure t)
+(setq use-package-enable-imenu-support t)
+(setq use-package-expand-minimally t)
+(setq package-archives '(("melpa" . "https://melpa.org/packages/")
+                         ("gnu" . "https://elpa.gnu.org/packages/")
+                         ("nongnu" . "https://elpa.nongnu.org/nongnu/")
+                         ("melpa-stable" . "https://stable.melpa.org/packages/")))
+(setq package-archive-priorities '(("gnu" . 99)
+                                   ("nongnu" . 80)
+                                   ("melpa" . 70)
+                                   ("melpa-stable" . 50)))
+
+;;; early-init.el ends here

config/emacs/lib/naysayer-theme.el

@@ -1,4 +1,4 @@
-;;; naysayer-theme.el --- The naysayer color theme
+;;; naysayer-theme.el --- The naysayer color theme -*- lexical-binding: t; -*-
 
 ;; Author: Nick Aversano <nickav@users.noreply.github.com>
 ;; Version: 0.33
@@ -58,11 +58,11 @@
    ;; *****************************************************************************
 
    `(default                          ((t (:foreground ,text :background ,background, :weight normal))))
-   `(region                           ((t (:foreground nil :background ,selection))))
+   `(region                           ((t (:foreground unspecified :background ,selection))))
    `(cursor                           ((t (:background ,white                        ))))
    `(fringe                           ((t (:background ,background   :foreground ,white))))
    `(linum                            ((t (:background ,background :foreground ,gutter-fg))))
-   `(highlight ((t (:foreground nil :background ,selection))))
+   `(highlight ((t (:foreground unspecified :background ,selection))))
 
    ;; Font lock faces
    ;; *****************************************************************************
@@ -83,8 +83,8 @@
 
    ;; Plugins
    ;; *****************************************************************************
-   `(trailing-whitespace ((t (:foreground nil :background ,warning))))
-   `(whitespace-trailing ((t (:background nil :foreground ,warning :inverse-video t))))
+   `(trailing-whitespace ((t (:foreground unspecified :background ,warning))))
+   `(whitespace-trailing ((t (:background unspecified :foreground ,warning :inverse-video t))))
 
    `(linum ((t (:foreground ,line-fg :background ,background))))
    `(linum-relative-current-face ((t (:foreground ,white :background ,background))))
@@ -135,8 +135,8 @@
    `(powerline-inactive2 ((t (:background ,background :foreground ,text))))
 
     ;; better compatibility with default DOOM mode-line
-   `(error ((t (:foreground nil :weight normal))))
-   `(doom-modeline-project-dir ((t (:foreground nil :weight bold))))
+   `(error ((t (:foreground unspecified :weight normal))))
+   `(doom-modeline-project-dir ((t (:foreground unspecified :weight bold))))
    
    ;; js2-mode
    `(js2-function-call ((t (:inherit (font-lock-function-name-face)))))

home/emacs.nix

@@ -13,16 +13,19 @@
   };
 
   config = lib.mkIf config.custom.emacs.enable {
-    home.packages = lib.mkIf pkgs.stdenv.isLinux (
+    home.packages =
       with pkgs;
       [
-        emacs
+        aspell
+        ispell
       ]
-    );
+      ++ lib.optionals pkgs.stdenv.isLinux [
+        emacs
+      ];
 
-    home.file.".emacs.d" = {
-      source = "${pkgs.custom.minimal-emacs-d}";
-    };
+    # home.file.".emacs.d" = {
+    #   source = "${pkgs.custom.minimal-emacs-d}";
+    # };
 
     xdg.configFile."emacs".source = config.lib.file.mkOutOfStoreSymlink "${dots}/config/emacs";
   };