.emacs.d/early-init.el

;; -*- lexical-binding: t -*-

(if noninteractive  ; in CLI sessions
    (setq-default gc-cons-threshold 100000000   ; 128MB
                  ;; Backport from 29 (see emacs-mirror/emacs@73a384a98698)
                  gc-cons-percentage 1.0)
  (setq-default gc-cons-threshold most-positive-fixnum))

(setq read-process-output-max (* 1024 1024))

(setq package-enable-at-startup nil)

(setq native-comp-jit-compilation nil)
(setq native-comp-async-report-warnings-errors nil)

(add-to-list 'load-path (expand-file-name "lisp/" user-emacs-directory))
(setq use-package-enable-imenu-support t)
(setq load-prefer-newer noninteractive)

(setenv "LSP_USE_PLISTS" "true") ;; Lsp-mode plists
(setenv "LIBGS" "/opt/homebrew/lib/libgs.dylib")

;; PERF: Many elisp file API calls consult `file-name-handler-alist'.
;; Setting it to nil speeds up startup significantly.
;; We restore it in init.el after startup.
(setq file-name-handler-alist nil)

;; PERF: Reduce file-name operations on `load-path'.
;; No dynamic modules are loaded this early, so we skip .so/.dll search.
;; Also skip .gz to avoid decompression checks.
(setq load-suffixes '(".elc" ".el")
      load-file-rep-suffixes '(""))

(prefer-coding-system 'utf-8)
;; Inhibit resizing frame
(setq frame-inhibit-implied-resize t)

;; Suppress GUI features
(setq use-file-dialog nil
      use-dialog-box nil
      inhibit-startup-screen t
      inhibit-startup-echo-area-message user-login-name
      inhibit-default-init t
      initial-major-mode 'fundamental-mode
      initial-scratch-message nil)

;; Faster to disable these here (before they've been initialized)
(push '(menu-bar-lines . 0) default-frame-alist)
(push '(tool-bar-lines . 0) default-frame-alist)
(push '(vertical-scroll-bars . nil) default-frame-alist)
(push '(horizontal-scroll-bars . nil) default-frame-alist)
(when (featurep 'ns)
  (push '(ns-transparent-titlebar . t) default-frame-alist))
;; (push '(ns-appearance . light) default-frame-alist))

;; Prevent flash of unstyled mode line
(setq mode-line-format nil)

(provide 'early-init)