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Diffstat (limited to 'configs/shared/emacs/.emacs.d/elpa/flycheck-flow-20180216.1156/flycheck-flow.el')
| -rw-r--r-- | configs/shared/emacs/.emacs.d/elpa/flycheck-flow-20180216.1156/flycheck-flow.el | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/configs/shared/emacs/.emacs.d/elpa/flycheck-flow-20180216.1156/flycheck-flow.el b/configs/shared/emacs/.emacs.d/elpa/flycheck-flow-20180216.1156/flycheck-flow.el new file mode 100644 index 000000000000..866e44fb0942 --- /dev/null +++ b/configs/shared/emacs/.emacs.d/elpa/flycheck-flow-20180216.1156/flycheck-flow.el @@ -0,0 +1,174 @@ +;;; flycheck-flow.el --- Support Flow in flycheck + +;; Copyright (C) 2015 Lorenzo Bolla <lbolla@gmail.com> +;; +;; Author: Lorenzo Bolla <lbolla@gmail.com> +;; Created: 16 Septermber 2015 +;; Version: 1.1 +;; Package-Version: 20180216.1156 +;; Package-Requires: ((flycheck "0.18") (json "1.4")) + +;;; Commentary: + +;; This package adds support for flow to flycheck. It requires +;; flow>=0.20.0. + +;; To use it, add to your init.el: + +;; (require 'flycheck-flow) +;; (add-hook 'javascript-mode-hook 'flycheck-mode) + +;; You want to use flow in conjunction with other JS checkers. +;; E.g. to use with gjslint, add this to your init.el +;; (flycheck-add-next-checker 'javascript-gjslint 'javascript-flow) + +;; For coverage warnings add this to your init.el +;; (flycheck-add-next-checker 'javascript-flow 'javascript-flow-coverage) + +;;; License: + +;; This file is not part of GNU Emacs. +;; However, it is distributed under the same license. + +;; GNU Emacs is free software; you can redistribute it and/or modify +;; it under the terms of the GNU General Public License as published by +;; the Free Software Foundation; either version 3, or (at your option) +;; any later version. + +;; GNU Emacs is distributed in the hope that it will be useful, +;; but WITHOUT ANY WARRANTY; without even the implied warranty of +;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;; GNU General Public License for more details. + +;; You should have received a copy of the GNU General Public License +;; along with GNU Emacs; see the file COPYING. If not, write to the +;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, +;; Boston, MA 02110-1301, USA. + +;;; Code: +(require 'flycheck) +(require 'json) + +(flycheck-def-args-var flycheck-javascript-flow-args javascript-flow) +(customize-set-variable 'flycheck-javascript-flow-args '()) + +(defun flycheck-flow--parse-json (output checker buffer) + "Parse flycheck json OUTPUT generated by CHECKER on BUFFER." + (let* ((json-object-type 'alist) + (json-array-type 'list) + (flow-json-output (json-read-from-string output)) + (flow-errors-list (cdr (assq 'errors flow-json-output))) + message-kind + message-level + message-code-reason + message-filename + message-line + message-column + message-descr + errors) + (dolist (error-message flow-errors-list) + ;; The structure for each `error-message' in `flow-errors-list' is like this: + ;; ((kind . `message-kind') + ;; (level . `message-level') + ;; (message ((descr . `message-code-reason') + ;; (loc (source . `message-filename') + ;; (start (line . `message-line') (column . `message-column')))) + ;; ((descr . `message-descr')))) + (let-alist error-message + (setq message-kind .kind) + (setq message-level (intern .level)) + + (let-alist (car .message) + (setq message-code-reason .descr + message-filename .loc.source + message-line .loc.start.line + message-descr .descr + message-column .loc.start.column)) + + (let-alist (car (cdr .message)) + (when (string= .type "Comment") + (setq message-descr .descr)))) + + (when (string= message-kind "parse") + (setq message-descr message-kind)) + + (push (flycheck-error-new-at + message-line + message-column + message-level + message-descr + :id message-code-reason + :checker checker + :buffer buffer + :filename message-filename) + errors)) + (nreverse errors))) + +(defun flycheck-flow--predicate () + "Shall we run the checker?" + (and + buffer-file-name + (file-exists-p buffer-file-name) + (locate-dominating-file buffer-file-name ".flowconfig"))) + +(flycheck-define-checker javascript-flow + "A JavaScript syntax and style checker using Flow. + +See URL `http://flowtype.org/'." + :command ( + "flow" + "check-contents" + (eval flycheck-javascript-flow-args) + "--json" + "--from" "emacs" + "--color=never" + source-original) + :standard-input t + :predicate flycheck-flow--predicate + :error-parser flycheck-flow--parse-json + ;; js3-mode doesn't support jsx + :modes (js-mode js-jsx-mode js2-mode js2-jsx-mode js3-mode web-mode rjsx-mode)) + +(flycheck-define-checker javascript-flow-coverage + "A coverage checker for Flow. + +See URL `http://flowtype.org/'." + :command ( + "flow" + "coverage" + (eval flycheck-javascript-flow-args) + "--json" + "--from" "emacs" + "--path" source-original) + :standard-input t + :predicate flycheck-flow--predicate + :error-parser + (lambda (output checker buffer) + (let* ((json-array-type 'list) + (json-object-type 'alist) + (locs (condition-case nil + (let ((report (json-read-from-string output))) + (alist-get 'uncovered_locs (alist-get 'expressions report))) + (error nil)))) + (mapcar (lambda (loc) + (let ((start (alist-get 'start loc)) + (end (alist-get 'end loc))) + (flycheck-error-new + :buffer buffer + :checker 'javascript-flow-coverage + :filename buffer-file-name + :line (alist-get 'line start) + :column (alist-get 'column start) + :message (format "no-coverage-to (%s . %s)" + (alist-get 'line end) + (alist-get 'column end)) + :level 'warning))) + locs))) + ;; js3-mode doesn't support jsx + :modes (js-mode js-jsx-mode js2-mode js2-jsx-mode js3-mode rjsx-mode)) + +(add-to-list 'flycheck-checkers 'javascript-flow) +(add-to-list 'flycheck-checkers 'javascript-flow-coverage t) + +(provide 'flycheck-flow) +;;; flycheck-flow.el ends here |