c7254e7bdc
+ enable lexical-scope everywhere (lexical-binding = t): ~5-10% faster startup; ~5-20% general boost + reduce consing, function calls & garbage collection by preferring cl-loop & dolist over lambda closures (for mapc[ar], add-hook, and various cl-lib filter/map/reduce functions) -- where possible + prefer functions with dedicated opcodes, like assq (see byte-defop's in bytecomp.el for more) + prefer pcase & cond (faster) over cl-case + general refactor for code readability + ensure naming & style conventions are adhered to + appease byte-compiler by marking unused variables with underscore + defer minor mode activation to after-init, emacs-startup or window-setup hooks; a customization opportunity for users + ensures custom functionality won't interfere with startup.
75 lines
2.9 KiB
EmacsLisp
75 lines
2.9 KiB
EmacsLisp
;;; lang/javascript/autoload.el -*- lexical-binding: t; -*-
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(defvar +javascript-npm-conf (make-hash-table :test 'equal))
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;;;###autoload
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(defun +javascript-npm-conf (&optional project-root refresh-p)
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"Retrieves an alist of this project's 'package.json'. If REFRESH-P is non-nil
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ignore the cache."
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(let ((project-root (or project-root (doom-project-root))))
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(or (and (not refresh-p)
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(gethash project-root +javascript-npm-conf))
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(let ((package-file (expand-file-name "package.json" project-root)))
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(when-let (json (and (file-exists-p package-file)
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(json-read-file package-file)))
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(puthash project-root json +javascript-npm-conf))))))
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;;;###autoload
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(defun +javascript-npm-dep-p (packages &optional project-root refresh-p)
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(when-let (data (and (bound-and-true-p +javascript-npm-mode)
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(+javascript-npm-conf project-root refresh-p)))
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(let ((deps (append (cdr (assq 'dependencies data))
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(cdr (assq 'devDependencies data)))))
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(cond ((listp packages)
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(funcall (if (eq (car packages) 'and)
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#'cl-every
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#'cl-some)
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(lambda (pkg) (assq pkg deps))
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(if (listp packages) packages (list packages))))
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((symbolp packages)
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(assq packages deps))
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(t (error "Expected a package symbol or list, got %s" packages))))))
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;;;###autoload
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(defun +javascript/repl ()
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"Open a Javascript REPL. Meaning either `skewer-repl', if any of the
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skewer-*-mode's are enabled, or `nodejs-repl' otherwise."
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(interactive)
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(call-interactively
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(if (and (featurep 'skewer-mode)
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(or skewer-mode skewer-css-mode skewer-html-mode))
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'skewer-repl
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'nodejs-repl)))
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;;;###autoload
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(defun +javascript/skewer-this-buffer ()
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"Toggle a globalized skewer-mode, attaching an external browser (once),
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initiating an internal httpd server (once) and enabling the appropriate
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skewer-mode for the current buffer.
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Run this for any buffer you want to skewer."
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(interactive)
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(when (bound-and-true-p impatient-mode)
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(error "Skewer-mode isn't compatible with impatient mode"))
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(require 'skewer-mode)
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(unless (process-status "httpd")
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(run-skewer))
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(unless (and skewer-mode skewer-css-mode skewer-html-mode)
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(pcase major-mode
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((or 'css-mode 'scss-mode 'less-css-mode) (skewer-css-mode +1))
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((or 'web-mode 'html-mode) (skewer-html-mode +1))
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('js2-mode (skewer-mode +1))
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(_ (error "Invalid mode %s" major-mode)))))
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;;;###autoload
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(defun +javascript/skewer-cleanup ()
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"Disable skewer-mode globally and disable the httpd server."
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(interactive)
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(when (process-status "httpd")
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(httpd-stop))
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(dolist (buf (buffer-list))
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(with-current-buffer buf
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(if skewer-mode (skewer-mode -1))
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(if skewer-css-mode (skewer-css-mode -1))
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(if skewer-html-mode (skewer-html-mode -1)))))
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