160 lines
5 KiB
EmacsLisp
160 lines
5 KiB
EmacsLisp
;;; funcs.el --- Javascript Layer functions File for Spacemacs
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;;
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;; Copyright (c) 2012-2018 Sylvain Benner & Contributors
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;;
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;; Author: Muneeb Shaikh <muneeb@reversehack.in>
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;; URL: https://github.com/syl20bnr/spacemacs
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;;
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;; This file is not part of GNU Emacs.
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;;
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;;; License: GPLv3
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;; backend
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(defun spacemacs//javascript-backend ()
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"Returns selected backend."
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(if javascript-backend
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javascript-backend
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(cond
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((configuration-layer/layer-used-p 'lsp) 'lsp)
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(t 'tern))))
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(defun spacemacs//javascript-setup-backend ()
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"Conditionally setup javascript backend."
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(pcase (spacemacs//javascript-backend)
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(`tern (spacemacs//javascript-setup-tern))
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(`tide (spacemacs//tide-setup))
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(`lsp (spacemacs//javascript-setup-lsp))))
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(defun spacemacs//javascript-setup-company ()
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"Conditionally setup company based on backend."
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(pcase (spacemacs//javascript-backend)
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(`tern (spacemacs//javascript-setup-tern-company))
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(`tide (spacemacs//tide-setup-company 'js2-mode))))
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(defun spacemacs//javascript-setup-dap ()
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"Conditionally setup elixir DAP integration."
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;; currently DAP is only available using LSP
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(pcase (spacemacs//javascript-backend)
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(`lsp (spacemacs//javascript-setup-lsp-dap))))
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(defun spacemacs//javascript-setup-next-error-fn ()
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"If the `syntax-checking' layer is enabled, then disable `js2-mode''s
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`next-error-function', and let `flycheck' handle any errors."
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(when (configuration-layer/layer-used-p 'syntax-checking)
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(setq-local next-error-function nil)))
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;; lsp
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(defun spacemacs//javascript-setup-lsp ()
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"Setup lsp backend."
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(if (configuration-layer/layer-used-p 'lsp)
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(progn
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(when (not javascript-lsp-linter)
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(setq-local lsp-diagnostic-package :none))
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(lsp))
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(message (concat "`lsp' layer is not installed, "
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"please add `lsp' layer to your dotfile."))))
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(defun spacemacs//javascript-setup-lsp-dap ()
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"Setup DAP integration."
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(require 'dap-firefox)
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(require 'dap-chrome))
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;; tern
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(defun spacemacs//javascript-setup-tern ()
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(if (configuration-layer/layer-used-p 'tern)
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(when (locate-file "tern" exec-path)
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(spacemacs/tern-setup-tern))
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(message (concat "Tern was configured as the javascript backend but "
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"the `tern' layer is not present in your `.spacemacs'!"))))
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(defun spacemacs//javascript-setup-tern-company ()
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(if (configuration-layer/layer-used-p 'tern)
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(when (locate-file "tern" exec-path)
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(spacemacs/tern-setup-tern-company 'js2-mode))
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(message (concat "Tern was configured as the javascript backend but "
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"the `tern' layer is not present in your `.spacemacs'!"))))
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;; js-doc
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(defun spacemacs/js-doc-require ()
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"Lazy load js-doc"
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(require 'js-doc))
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(defun spacemacs/js-doc-set-key-bindings (mode)
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"Setup the key bindings for `js2-doc' for the given MODE."
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(spacemacs/declare-prefix-for-mode mode "mrd" "documentation")
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(spacemacs/set-leader-keys-for-major-mode mode
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"rdb" 'js-doc-insert-file-doc
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"rdf" (if (configuration-layer/package-used-p 'yasnippet)
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'js-doc-insert-function-doc-snippet
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'js-doc-insert-function-doc)
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"rdt" 'js-doc-insert-tag
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"rdh" 'js-doc-describe-tag))
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;; js-refactor
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(defun spacemacs/js2-refactor-require ()
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"Lazy load js2-refactor"
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(require 'js2-refactor))
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;; skewer
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(defun spacemacs/skewer-start-repl ()
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"Attach a browser to Emacs and start a skewer REPL."
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(interactive)
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(run-skewer)
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(skewer-repl))
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(defun spacemacs/skewer-load-buffer-and-focus ()
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"Execute whole buffer in browser and switch to REPL in insert state."
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(interactive)
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(skewer-load-buffer)
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(skewer-repl)
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(evil-insert-state))
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(defun spacemacs/skewer-eval-defun-and-focus ()
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"Execute function at point in browser and switch to REPL in insert state."
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(interactive)
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(skewer-eval-defun)
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(skewer-repl)
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(evil-insert-state))
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(defun spacemacs/skewer-eval-region (beg end)
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"Execute the region as JavaScript code in the attached browser."
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(interactive "r")
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(skewer-eval (buffer-substring beg end) #'skewer-post-minibuffer))
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(defun spacemacs/skewer-eval-region-and-focus (beg end)
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"Execute the region in browser and swith to REPL in insert state."
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(interactive "r")
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(spacemacs/skewer-eval-region beg end)
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(skewer-repl)
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(evil-insert-state))
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;; Others
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(defun spacemacs//javascript-setup-checkers ()
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(when-let* ((found (executable-find "eslint_d")))
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(set (make-local-variable 'flycheck-javascript-eslint-executable) found)))
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(defun spacemacs/javascript-format ()
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"Call formatting tool specified in `javascript-fmt-tool'."
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(interactive)
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(cond
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((eq javascript-fmt-tool 'prettier)
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(call-interactively 'prettier-js))
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((eq javascript-fmt-tool 'web-beautify)
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(call-interactively 'web-beautify-js))
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(t (error (concat "%s isn't valid javascript-fmt-tool value."
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" It should be 'web-beutify or 'prettier.")
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(symbol-name javascript-fmt-tool)))))
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(defun spacemacs/javascript-fmt-before-save-hook ()
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(add-hook 'before-save-hook 'spacemacs/javascript-format t t))
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