prettier-emacs-d.el

;; This seems the fastest output of prettier-eslint_d I've seen, using prettier-eslint-emacs seemd
;; much slower, using the suggested cat | prettier_eslint_d --stdin with the added tee to the output file
;; is much quicker.
(defun user-prettier-eslint ()
  "Format the current file with ESLint."
  (interactive)
  (let* ((binary (executable-find "prettier-eslint_d"))
         (command (format "cat %s | %s --stdin | tee %s" buffer-file-name binary buffer-file-name)))
    (progn
      (shell-command command "*test-buffer*" "*prettier-eslint-errors*")
      (revert-buffer t t t))))

(add-hook 'js2-mode-hook (lambda () (add-hook 'after-save-hook 'user-prettier-eslint nil t)))
(add-hook 'web-mode-hook (lambda () (add-hook 'after-save-hook 'user-prettier-eslint nil t)))