defer loading many packages to improve startup time

Author: kermorgant

config/mk-appearance.el

@@ -13,14 +13,13 @@
 (setq mouse-wheel-follow-mouse 't)
 (setq mouse-wheel-scroll-amount '(1 ((shift) . 1)))
 
-
 (use-package doom-themes
   :config
   (load-theme 'doom-one t))
 
 ;; All The Icons
-(use-package all-the-icons)
-
+(use-package all-the-icons
+  :defer t)
 
 (use-package doom-modeline
   :defer t

config/mk-editing.el

@@ -2,28 +2,35 @@
 (winner-mode 1)
 (add-hook 'before-save-hook 'delete-trailing-whitespace)
 
-(use-package which-key)
+(use-package which-key
+  :defer t)
 
 (use-package highlight-indentation
+  :defer t
   :hook
   ((yaml-mode . highlight-indentation-mode)
    (yaml-mode . highlight-indentation-current-column-mode)
    (docker-compose-mode . highlight-indentation-mode)
    (docker-compose-mode . highlight-indentation-current-column-mode)))
 
 (use-package rainbow-mode
+  :defer t
   :delight)
 
 (use-package flycheck
+  :defer t
   :init (global-flycheck-mode))
 
 (use-package expand-region
+  :defer t
   :commands er/expand-region)
 
 (use-package wakatime-mode
+  :defer t
   :init (global-wakatime-mode))
 
 (use-package ace-window
+  :defer t
   :init
   (setq aw-scope 'frame
         aw-ignore-on t
@@ -32,23 +39,28 @@
         aw-ignored-buffers '("*NeoTree*")))
 
 (use-package smartparens
+  :defer t
   :diminish smartparens-mode
   :config
   (progn
     (require 'smartparens-config)
     (setq smartparens-strict-mode t)
     (smartparens-global-mode 1)))
 
-(use-package wgrep)
+(use-package wgrep
+  :defer t)
 
 (use-package symbol-overlay
+  :defer t
   :general
   (:keymaps 'symbol-overlay-mode-map
             "r" 'symbol-overlay-rename))
 
-(use-package dist-file-mode)
+(use-package dist-file-mode
+  :defer t)
 
 (use-package smart-jump
+  :defer t
   :config
   (smart-jump-setup-default-registers))
 

config/mk-evil.el

@@ -18,6 +18,7 @@
   (define-key evil-normal-state-map (kbd ", w") 'evil-window-vsplit))
 
 (use-package evil-collection
+  :defer t
   :after evil
   :config (evil-collection-init))
 

config/mk-git.el

@@ -1,12 +1,15 @@
 (use-package magit
+  :defer t
   :init
   (setq magit-display-buffer-function #'magit-display-buffer-fullframe-status-v1)
   (add-hook 'magit-mode-hook 'turn-on-magit-gitflow)
   :config (setq magit-completing-read-function 'ivy-completing-read))
 
-(use-package magit-gitflow)
+(use-package magit-gitflow
+  :defer t)
 
 (use-package magit-todos
+  :defer t
   :after magit
   :init
   (setq magit-todos-require-colon nil)
@@ -20,12 +23,13 @@
   :init (setq evil-magit-want-horizontal-movement nil))
 
 (use-package diff-hl                 ; Show changes in fringe
-  :ensure t
+  :defer t
   :hook ((prog-mode          . diff-hl-mode)
          ;; (dired-mode         . diff-hl-dired-mode)
          (magit-post-refresh . diff-hl-magit-post-refresh)))
 
-(use-package git-timemachine)
+(use-package git-timemachine
+  :defer t)
 
 ;; invalidate projectile cache upon some git events
 ;; see https://emacs.stackexchange.com/questions/26266/projectile-and-magit-branch-checkout

config/mk-project.el

@@ -1,17 +1,20 @@
 ;;; Commentary:
 ;;; Code:
 (use-package projectile
+  :defer t
   :config
   (projectile-mode)
   (setq projectile-project-search-path '("~/src/" "~/workspace/")
         projectile-completion-system 'ivy
         projectile-switch-project-action #'projectile-find-file-dwim
         projectile-enable-caching t))
 
-(use-package counsel-projectile)
+(use-package counsel-projectile
+  :defer t)
 
 (use-package perspective
-  :init (persp-mode))
+  :init (persp-mode)
+  )
 
 (use-package persp-projectile
   :after (perspective projectile)

config/mk-tools.el

@@ -1,8 +1,10 @@
 ;;; mk-tools --- some independent tools
 
-(use-package tomatinho)
+(use-package tomatinho
+  :defer 2)
 
-(use-package org-pomodoro)
+(use-package org-pomodoro
+  :defer 2)
 
 (provide 'mk-tools)
 ;;; mk-tools ends here

init.el

@@ -67,6 +67,7 @@
 (require 'mk-keybindings)
 
 (use-package avy
+  :defer t
   :commands (avy-goto-word-1))
 
 (use-package ivy
@@ -77,24 +78,29 @@
         ivy-use-virtual-buffers t)
   (bind-key "C-c C-r" 'ivy-resume))
 
-(use-package hydra)
+(use-package hydra
+  :defer t)
 
 (use-package ivy-hydra
+  :defer t
   :after (ivy hydra))
 
 (define-key ivy-minibuffer-map (kbd "C-o") 'hydra-ivy/body)
 (define-key ivy-minibuffer-map (kbd "<return>") 'ivy-alt-done)
 
 (use-package prescient
+  :defer t
   :config (prescient-persist-mode t))
 (use-package ivy-prescient
   :config (ivy-prescient-mode t))
 
 (use-package ivy-xref
+  :defer t
   :init (setq xref-show-xrefs-function #'ivy-xref-show-xrefs))
 
 ;; use ripgrep configured to avoid lines longer than arbitrary limit
 (use-package counsel
+  :defer t
   :config
   (setq counsel-grep-base-command "rg -i -M 240 --no-heading --line-number --color never '%s' %s"
         counsel-rg-base-command "rg -S -M 240 --no-heading --line-number --color never %s ."))
@@ -109,13 +115,15 @@
 (require 'mk-editing)
 
 (use-package eyebrowse                  ; Easy workspaces creation and switching
+  :defer t
   :config
   (setq eyebrowse-mode-line-separator " "
         eyebrowse-new-workspace t)
   (eyebrowse-mode t))
 
 ;; NeoTree
 (use-package neotree
+  :defer t
   :config
   (with-eval-after-load 'neotree (require 'evil-collection-neotree))
   :init

lang/mk-cucumber.el

@@ -1,3 +1,4 @@
-(use-package feature-mode)
+(use-package feature-mode
+  :defer t)
 
 (provide 'mk-cucumber)

lang/mk-general.el

@@ -1,4 +1,5 @@
 (use-package helpful
+  :defer t
   :bind (("C-h f" . helpful-callable)
          ("C-h v" . helpful-variable)
          ("C-h k" . helpful-key)))

lang/mk-lsp.el

@@ -1,6 +1,7 @@
 (use-package lsp-mode :defer t)
 
 (use-package lsp-ui
+  :defer t
   :hook (lsp-mode . lsp-ui-mode)
   :config
   (setq lsp-ui-sideline-enable nil
@@ -11,6 +12,7 @@
   (lsp-ui-peek-always-show t))
 
 (use-package company-lsp
+  :defer t
   :config (push 'company-lsp company-backends))
 
 (provide 'mk-lsp)

lang/mk-php.el

@@ -59,18 +59,23 @@
 ;;   :load-path "~/src/composer.el")
 
 (use-package phpactor
-  :load-path "~/src/phpactor.el")
+  :defer t
+  ;; :load-path "~/src/phpactor.el"
+  )
 
 (use-package company-phpactor ; :ensure nil
-  ;; :load-path "~/src/phpactor.el"
+  :defer t
+  ;; :load-path "~/src/company-phpactor.el"
   )
 
 (use-package php-cs-fixer :ensure nil
+  :defer t
   :load-path "~/src/php-cs-fixer.el"
   :config (setq php-cs-fixer--enable nil))
 
 
 (use-package flycheck-phpstan
+  :defer t
   :after (php-mode flycheck)
   :config (setq phpstan-executable "~/bin/phpstan"))
 
@@ -139,7 +144,8 @@
          ;;company-capf
          )))
 
-(use-package geben)
+(use-package geben
+  :defer t)
 
 ;; (defun counsel-phpactor (&optional initial-input)
 ;;   "Call the \"locate\" shell command.

lang/mk-react.el

@@ -9,6 +9,7 @@
   (tide-hl-identifier-mode +1))
 
 (use-package typescript-mode
+  :defer t
   :config
   (setq typescript-indent-level 2)
   (add-hook 'typescript-mode #'subword-mode)
@@ -21,6 +22,7 @@
   )
 
 (use-package tide
+  :defer t
   :after (typescript-mode company flycheck)
   :hook ((typescript-mode . tide-setup)
          (typescript-mode . tide-hl-identifier-mode)

lang/mk-scala.el

@@ -2,11 +2,14 @@
 ;;; Commentary:
 
 ;;; Code:
-(use-package ensime)
+(use-package ensime
+  :defer t)
 
-(use-package sbt-mode)
+(use-package sbt-mode
+  :defer t)
 
-(use-package scala-mode)
+(use-package scala-mode
+  :defer t)
 
 (provide 'mk-scala)
 ;;; mk-scala ends here

lang/mk-web.el

@@ -1,6 +1,7 @@
 ;;; mk-web --- essentially web-mode
 
 (use-package web-mode
+  :defer t
   :mode (("\\.html\\'" . web-mode)
          ("\\.html\\.twig\\'" . web-mode)
          ("\\.vue\\'" . web-mode)
@@ -44,7 +45,8 @@
   :defer t
   :after company)
 
-(use-package restclient)
+(use-package restclient
+  :defer t)
 
 ;; inspired from https://github.com/jerryhsieh/Emacs-config/blob/master/custom/web.el
 (defun my/web-html-setup()
@@ -71,6 +73,7 @@
   )
 
 (use-package prettier-js
+  :defer t
   :hook ((js2-mode . prettier-js-mode)
          (typescript-mode . prettier-js-mode)
          (css-mode . prettier-js-mode)
@@ -101,6 +104,7 @@
 (add-hook 'typescript-mode-hook #'setup-tide-mode)
 
 (use-package tide
+  :defer t
   :after (typescript-mode company flycheck)
   :hook ((typescript-mode . tide-setup)
          (typescript-mode . tide-hl-identifier-mode))

modes/mk-docker.el

@@ -1,11 +1,14 @@
 (use-package dockerfile-mode
+  :defer t
   :mode (("Dockerfile" . dockerfile-mode)))
 
 (use-package docker-compose-mode
+  :defer t
   :mode (("docker-compose.yml" . docker-compose-mode))
   :init (flycheck-add-mode 'yaml-ruby 'docker-compose-mode))
 
 (use-package groovy-mode
+  :defer t
   :mode (("Jenkinsfile" . groovy-mode)))
 
 (provide 'mk-docker)

modes/mk-yaml.el

@@ -1,4 +1,5 @@
 (use-package yaml-mode
+  :defer t
   :mode ((".yaml" . yaml-mode)
          (".yml" . yaml-mode))
   :init (setq yaml-indent-offset 4)