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;;; init-js-two.el --- .Emacs Configuration -*- lexical-binding: t -*-
;;; Commentary:
;;; JavaScript configuration - IDE
;;; Code:
;; js2-mode: enhanced JavaScript editing mode
;; https://github.com/mooz/js2-mode
(use-package js2-mode
:ensure t
:defer 20
:hook ((js2-mode . (lambda ()
(flycheck-mode)
(company-mode))))
:mode (("\\.js\\'" . js2-mode))
:custom
(js2-include-node-externs t)
(js2-global-externs '("customElements"))
(js2-highlight-level 3)
(js2r-prefer-let-over-var t)
(js2r-prefered-quote-type 2)
(js-indent-align-list-continuation t)
(global-auto-highlight-symbol-mode t)
;; use eslint_d insetad of eslint for faster linting
(flycheck-javascript-eslint-executable "eslint_d")
:config
(setq js-indent-level 2)
;; patch in basic private field support
(advice-add #'js2-identifier-start-p
:after-until
(lambda (c) (eq c ?#))))
;; js2-refactor: refactoring options for emacs
;; https://github.com/magnars/js2-refactor.el
(use-package js2-refactor
:pin "MELPA"
:after js2-mode
:bind
(:map js2-mode-map
("C-k" . js2r-kill)
("C-c h r" . js2-refactor-hydra/body))
:hook ((js2-mode . js2-refactor-mode))
:config (js2r-add-keybindings-with-prefix "C-c C-r")
(defhydra js2-refactor-hydra (:color blue :hint nil)
"
^Functions^ ^Variables^ ^Buffer^ ^sexp^ ^Debugging^
------------------------------------------------------------------------------------------------------------------------------
[_lp_] Localize Parameter [_ev_] Extract variable [_wi_] Wrap buffer in IIFE [_k_] js2 kill [_lt_] log this
[_ef_] Extract function [_iv_] Inline variable [_ig_] Inject global in IIFE [_ss_] split string [_dt_] debug this
[_ip_] Introduce parameter [_rv_] Rename variable [_ee_] Expand node at point [_sl_] forward slurp
[_em_] Extract method [_vt_] Var to this [_cc_] Contract node at point [_ba_] forward barf
[_ao_] Arguments to object [_sv_] Split var decl. [_uw_] unwrap
[_tf_] Toggle fun exp and decl [_ag_] Add var to globals
[_ta_] Toggle fun expr and => [_ti_] Ternary to if
[_q_] quit"
("ee" js2r-expand-node-at-point)
("cc" js2r-contract-node-at-point)
("ef" js2r-extract-function)
("em" js2r-extract-method)
("tf" js2r-toggle-function-expression-and-declaration)
("ta" js2r-toggle-arrow-function-and-expression)
("ip" js2r-introduce-parameter)
("lp" js2r-localize-parameter)
("wi" js2r-wrap-buffer-in-iife)
("ig" js2r-inject-global-in-iife)
("ag" js2r-add-to-globals-annotation)
("ev" js2r-extract-var)
("iv" js2r-inline-var)
("rv" js2r-rename-var)
("vt" js2r-var-to-this)
("ao" js2r-arguments-to-object)
("ti" js2r-ternary-to-if)
("sv" js2r-split-var-declaration)
("ss" js2r-split-string)
("uw" js2r-unwrap)
("lt" js2r-log-this)
("dt" js2r-debug-this)
("sl" js2r-forward-slurp)
("ba" js2r-forward-barf)
("k" js2r-kill)
("q" nil)))
;; json-mode: Major mode for editing JSON files with emacs
;; https://github.com/joshwnj/json-mode
(use-package prettier-js
:pin "MELPA")
(use-package json-mode
:pin "MELPA"
:ensure t
:defer 20
:custom
(json-reformat:indent-width 2)
(json-reformat:pretty-string? t)
(js-indent-level 2)
:mode "\\.js\\(?:on\\|[hl]int\\(rc\\)?\\)\\'"
:hook ((json-mode . prettier-js-mode))
:bind (:package json-mode-map
:map json-mode-map
("C-c <tab>" . json-mode-beautify)))
;; eslintd-fix: Emacs minor-mode to automatically fix javascript with eslint_d.
;; https://github.com/aaronjensen/eslintd-fix/tree/master
(use-package eslintd-fix)
(provide 'init-js-two)
;; Local Variables:
;; byte-compile-warnings: (not free-vars)
;; End:
;;; init-js-two.el ends here
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