From: James Bunton <jamesbunton@delx.net.au>
Date: Thu, 21 Jul 2016 07:39:29 +0000 (+1000)
Subject: use local eslint in flycheck
X-Git-Url: https://code.delx.au/dotemacs/commitdiff_plain/c02c1880bcf576babdf75766ad9ad0cd76342bd4

use local eslint in flycheck
---

diff --git a/lisp/my-defuns.el b/lisp/my-defuns.el
index c74f804..db7c56f 100644
--- a/lisp/my-defuns.el
+++ b/lisp/my-defuns.el
@@ -95,3 +95,12 @@
       (comment-or-uncomment-region (region-beginning) (region-end))
     (comment-or-uncomment-region (line-beginning-position) (line-end-position)))
   (forward-line))
+
+(defun my/use-eslint-from-node-modules ()
+  (let* ((root (locate-dominating-file
+                (or (buffer-file-name) default-directory)
+                "node_modules"))
+         (eslint (and root
+                      (expand-file-name "node_modules/.bin/eslint" root))))
+    (when (and eslint (file-executable-p eslint))
+      (setq-local flycheck-javascript-eslint-executable eslint))))
diff --git a/lisp/my-minor-modes.el b/lisp/my-minor-modes.el
index d07db74..e4dbe1e 100644
--- a/lisp/my-minor-modes.el
+++ b/lisp/my-minor-modes.el
@@ -16,6 +16,7 @@
 (global-flycheck-mode 1)
 (setq-default flycheck-disabled-checkers '(emacs-lisp-checkdoc))
 (setq flycheck-emacs-lisp-load-path 'inherit)
+(add-hook 'flycheck-mode-hook #'my/use-eslint-from-node-modules)
 
 (require 'misc)