spacemacs/layers/+lang/javascript/funcs.el
Trapez Breen 9665670f8e Adding format on save to javascript layer.
Adding formatting on save option to javascript layer, similar to typescript
layer. One small syntax error fix in typescript layer.
2019-04-25 20:26:07 +02:00

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;;; funcs.el --- Javascript Layer functions File for Spacemacs
;;
;; Copyright (c) 2012-2018 Sylvain Benner & Contributors
;;
;; Author: Muneeb Shaikh <muneeb@reversehack.in>
;; URL: https://github.com/syl20bnr/spacemacs
;;
;; This file is not part of GNU Emacs.
;;
;;; License: GPLv3
;; backend
(defun spacemacs//javascript-setup-backend ()
"Conditionally setup javascript backend."
(pcase javascript-backend
(`tern (spacemacs//javascript-setup-tern))
(`lsp (spacemacs//javascript-setup-lsp))))
(defun spacemacs//javascript-setup-company ()
"Conditionally setup company based on backend."
(pcase javascript-backend
(`tern (spacemacs//javascript-setup-tern-company))
(`lsp (spacemacs//javascript-setup-lsp-company))))
;; lsp
(defun spacemacs//javascript-setup-lsp ()
"Setup lsp backend."
(if (configuration-layer/layer-used-p 'lsp)
(progn
(lsp))
(message (concat "`lsp' layer is not installed, "
"please add `lsp' layer to your dotfile.")))
(if (configuration-layer/layer-used-p 'dap)
(progn
(require 'dap-firefox)
(require 'dap-chrome)
(spacemacs/dap-bind-keys-for-mode 'js2-mode))
(message "`dap' layer is not installed, please add `dap' layer to your dotfile.")))
(defun spacemacs//javascript-setup-lsp-company ()
"Setup lsp auto-completion."
(if (configuration-layer/layer-used-p 'lsp)
(progn
(spacemacs|add-company-backends
:backends company-lsp
:modes js2-mode
:append-hooks nil
:call-hooks t)
(company-mode)
(fix-lsp-company-prefix))
(message (concat "`lsp' layer is not installed, "
"please add `lsp' layer to your dotfile."))))
;; tern
(defun spacemacs//javascript-setup-tern ()
(if (configuration-layer/layer-used-p 'tern)
(when (locate-file "tern" exec-path)
(spacemacs/tern-setup-tern))
(message (concat "Tern was configured as the javascript backend but "
"the `tern' layer is not present in your `.spacemacs'!"))))
(defun spacemacs//javascript-setup-tern-company ()
(if (configuration-layer/layer-used-p 'tern)
(when (locate-file "tern" exec-path)
(spacemacs/tern-setup-tern-company 'js2-mode))
(message (concat "Tern was configured as the javascript backend but "
"the `tern' layer is not present in your `.spacemacs'!"))))
;; js-doc
(defun spacemacs/js-doc-require ()
"Lazy load js-doc"
(require 'js-doc))
(add-hook 'js2-mode-hook 'spacemacs/js-doc-require)
(defun spacemacs/js-doc-set-key-bindings (mode)
"Setup the key bindings for `js2-doc' for the given MODE."
(spacemacs/declare-prefix-for-mode mode "mrd" "documentation")
(spacemacs/set-leader-keys-for-major-mode mode
"rdb" 'js-doc-insert-file-doc
"rdf" (if (configuration-layer/package-used-p 'yasnippet)
'js-doc-insert-function-doc-snippet
'js-doc-insert-function-doc)
"rdt" 'js-doc-insert-tag
"rdh" 'js-doc-describe-tag))
;; js-refactor
(defun spacemacs/js2-refactor-require ()
"Lazy load js2-refactor"
(require 'js2-refactor))
;; skewer
(defun spacemacs/skewer-start-repl ()
"Attach a browser to Emacs and start a skewer REPL."
(interactive)
(run-skewer)
(skewer-repl))
(defun spacemacs/skewer-load-buffer-and-focus ()
"Execute whole buffer in browser and switch to REPL in insert state."
(interactive)
(skewer-load-buffer)
(skewer-repl)
(evil-insert-state))
(defun spacemacs/skewer-eval-defun-and-focus ()
"Execute function at point in browser and switch to REPL in insert state."
(interactive)
(skewer-eval-defun)
(skewer-repl)
(evil-insert-state))
(defun spacemacs/skewer-eval-region (beg end)
"Execute the region as JavaScript code in the attached browser."
(interactive "r")
(skewer-eval (buffer-substring beg end) #'skewer-post-minibuffer))
(defun spacemacs/skewer-eval-region-and-focus (beg end)
"Execute the region in browser and swith to REPL in insert state."
(interactive "r")
(spacemacs/skewer-eval-region beg end)
(skewer-repl)
(evil-insert-state))
;; Others
(defun spacemacs/javascript-format ()
"Call formatting tool specified in `javascript-fmt-tool'."
(interactive)
(cond
((eq javascript-fmt-tool 'prettier)
(call-interactively 'prettier-js))
((eq javascript-fmt-tool 'web-beautify)
(call-interactively 'web-beautify-js))
(t (error (concat "%s isn't valid javascript-fmt-tool value."
" It should be 'web-beutify or 'prettier.")
(symbol-name javascript-fmt-tool)))))
(defun spacemacs/javascript-fmt-before-save-hook ()
(add-hook 'before-save-hook 'spacemacs/javascript-format t t))