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+;; functions.el --- Helper functions for my Emacs development -*- lexical-binding: t -*-
+;; Author: William Carroll <wpcarro@gmail.com>
+
+;;; Commentary:
+;; This file hopefully contains friendly APIs that making ELisp development more enjoyable.
+
+;;; Code:
+
+;; TODO: clean up this file so this isn't necessary
+(setq evil-want-integration nil)
+(require 'evil)
+
+(require 'projectile)
+(require 'paredit)
+(require 'term)
+(require 'f)
+(require 'yasnippet)
+(require 'ido)
+
+(defun wpc/evil-window-vsplit-right ()
+  (interactive)
+  (evil-window-vsplit)
+  (windmove-right))
+
+(defun wpc/evil-window-split-down ()
+  (interactive)
+  (evil-window-split)
+  (windmove-down))
+
+(defun wpc/reindent-defun-and-align-clojure-map ()
+  (interactive)
+  (call-interactively #'paredit-reindent-defun)
+  (call-interactively #'clojure-align))
+
+(defun wpc/find-file ()
+  "Prefer project-based file-finding if inside of project; otherwise gracefully fallback."
+  (interactive)
+  (with-current-buffer (current-buffer)
+    (if (projectile-project-p)
+        (call-interactively #'projectile-find-file)
+      (call-interactively #'find-file))))
+
+(defun wpc/find-or-create-js-test ()
+  (->> buffer-file-name
+       (s-chop-suffix ".js")
+       (s-append ".test.js")
+       (find-file)))
+
+(defun wpc/find-or-create-js-module ()
+  (->> buffer-file-name
+       (s-chop-suffix ".test.js")
+       (s-append ".js")
+       (find-file)))
+
+(defun wpc/find-or-create-js-store ()
+  (->> buffer-file-name
+       (s-replace "index.js" "store.js")
+       (find-file)))
+
+(defun wpc/find-or-create-js-component ()
+  (->> buffer-file-name
+       (s-replace "store.js" "index.js")
+       (find-file)))
+
+(defun wpc/bind-ido-keys ()
+  "Adds custom KBDs for ido. This function is recommended in the ido source code."
+  (define-key ido-completion-map (kbd "<tab>") #'ido-next-match)
+  (define-key ido-completion-map (kbd "<backtab>") #'ido-prev-match))
+
+(defun wpc/toggle-between-js-test-and-module ()
+  "Toggle between a Javascript test or module."
+  (interactive)
+  (if (s-ends-with? ".test.js" buffer-file-name)
+      (wpc/find-or-create-js-module)
+    (if (s-ends-with? ".js" buffer-file-name)
+        (wpc/find-or-create-js-test)
+      (message "Not in a Javascript file. Exiting..."))))
+
+(defun wpc/toggle-between-js-component-and-store ()
+  "Toggle between a React component and its Redux store."
+  (interactive)
+  (if (s-ends-with? "index.js" buffer-file-name)
+      (wpc/find-or-create-js-store)
+    (if (or (s-ends-with? "store.js" buffer-file-name)
+            (s-ends-with? "store.test.js" buffer-file-name))
+        (wpc/find-or-create-js-component)
+      (message "Not in a React/Redux file. Exiting..."))))
+
+(defun wpc/read-file-as-string (filename)
+  (with-temp-buffer
+    (insert-file-contents filename)
+    (s-trim (buffer-string))))
+
+(defun wpc/create-snippet ()
+  "Creates a window split and then opens the Yasnippet editor."
+  (interactive)
+  (evil-window-vsplit)
+  (call-interactively #'yas-new-snippet))
+
+(defun wpc/edit-init-el ()
+  "Creates a window split and then edits the init.el file."
+  (interactive)
+  (evil-window-vsplit)
+  (find-file "~/.emacs.d/init.el"))
+
+(defun wpc/set-flow-executable ()
+  (interactive)
+  (let* ((root (locate-dominating-file buffer-file-name  "node_modules/flow-bin"))
+         (executable (car (file-expand-wildcards
+                           (concat root "node_modules/flow-bin/*osx*/flow")))))
+    (setq-local company-flow-executable executable)
+    ;; These are not necessary for this package, but a good idea if you use
+    ;; these other packages
+    (setq-local flow-minor-default-binary executable)
+    (setq-local flycheck-javascript-flow-executable executable)))
+
+(defun wpc/jump-to-parent-file ()
+  "Jumps to a React store or component's parent file. Useful for store or index file."
+  (interactive)
+  (-> buffer-file-name
+      f-dirname
+      (f-join "..")
+      (f-join (f-filename buffer-file-name))
+      find-file))
+
+(defun wpc/tmux-emacs-windmove (dir)
+  "Move windows in a Tmux-friendly way."
+  (let* ((dir->opts '((left . ("-L" . windmove-left))
+                      (right . ("-R" . windmove-right))
+                      (above . ("-U" . windmove-up))
+                      (below . ("-D" . windmove-down))))
+         (opts (alist-get dir dir->opts))
+         (tmux-opt (car opts))
+         (emacs-fn (cdr opts)))
+    (if (window-in-direction dir)
+        (funcall emacs-fn)
+      (shell-command (format "tmux select-pane %s" tmux-opt)))))
+
+(defun wpc/tmux-emacs-windmove-left ()
+  (interactive)
+  (wpc/tmux-emacs-windmove 'left))
+
+(defun wpc/tmux-emacs-windmove-right ()
+  (interactive)
+  (wpc/tmux-emacs-windmove 'right))
+
+(defun wpc/tmux-emacs-windmove-up ()
+  (interactive)
+  (wpc/tmux-emacs-windmove 'above))
+
+(defun wpc/tmux-emacs-windmove-down ()
+  (interactive)
+  (wpc/tmux-emacs-windmove 'below))
+
+(defun wpc/get-window-by-buffername (buffername)
+  "Finds a window by the name of the buffer it's hosting."
+  (let ((buffer (get-buffer buffername)))
+    (when buffer
+        (get-buffer-window buffer))))
+
+(defun wpc/add-earmuffs (x)
+  "Returns X surrounded by asterisks."
+  (format "*%s*" x))
+
+(defun wpc/get-default-shell ()
+  (or explicit-shell-file-name
+      (getenv "SHELL")
+      (getenv "ESHELL")))
+
+(defun wpc/find-terminal-buffer ()
+  (get-buffer (wpc/add-earmuffs wpc/terminal-name)))
+
+(defun wpc/find-terminal-window ()
+  (wpc/get-window-by-buffername (wpc/add-earmuffs wpc/terminal-name)))
+
+(defun wpc/create-terminal-session ()
+  (wpc/evil-window-vsplit-right)
+  (ansi-term (wpc/get-default-shell) wpc/terminal-name))
+
+(defun wpc/toggle-terminal ()
+  "Toggles a custom terminal session in Emacs."
+  (interactive)
+  (let ((window (wpc/find-terminal-window)))
+    (if window
+        (delete-window window)
+      (wpc/find-or-create-terminal))))
+
+(defun wpc/find-or-create-terminal ()
+  (let ((buffer (wpc/find-terminal-buffer)))
+    (if buffer
+        (display-buffer buffer)
+      (wpc/create-terminal-session))))
+
+(defun wpc/put-file-name-on-clipboard ()
+  "Put the current file name on the clipboard"
+  (interactive)
+  (let ((filename (if (equal major-mode 'dired-mode)
+                      default-directory
+                    (buffer-file-name))))
+    (when filename
+      (with-temp-buffer
+        (insert filename)
+        (clipboard-kill-region (point-min) (point-max)))
+      (message filename))))
+
+(defun wpc/evil-replace-under-point ()
+  "Faster than typing %s//thing/g"
+  (interactive)
+  (save-excursion
+    (evil-ex (concat "%s/\\b" (symbol-name (symbol-at-point)) "\\b/"))))
+
+(defun wpc/disable-linum-mode ()
+  "Convenience function defined to make adding hooks easier without a lambda."
+  (linum-mode -1))
+
+(defun wpc/disable-company-mode ()
+  "Convenience function defined to make adding hooks easier without a lambda."
+  (company-mode -1))
+
+(defun wpc/toggle-term-mode ()
+  "Toggle between term-line-mode and temr-char-mode."
+  (if (term-in-line-mode)
+      (term-char-mode)
+    (term-line-mode)))
+
+(provide 'functions)
+;;; functions.el ends here