From 641aa8afc3ef697ea2d9880f8cb7e0ee1b70f0eb Mon Sep 17 00:00:00 2001
From: Chris Kyrouac <ckyrouac@redhat.com>
Date: Wed, 14 Sep 2016 16:34:18 -0400
Subject: Add jshint linter

---
 ale_linters/javascript/jshint.vim | 55 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 ale_linters/javascript/jshint.vim

(limited to 'ale_linters/javascript')

diff --git a/ale_linters/javascript/jshint.vim b/ale_linters/javascript/jshint.vim
new file mode 100644
index 00000000..12663701
--- /dev/null
+++ b/ale_linters/javascript/jshint.vim
@@ -0,0 +1,55 @@
+if exists('g:loaded_ale_linters_javascript_jshint')
+    finish
+endif
+
+let g:loaded_ale_linters_javascript_jshint = 1
+
+" Set this to the location of the jshint configuration file
+if !exists('g:ale_jshint_config_loc')
+    let g:ale_jshint_config_loc = '.jshintrc'
+endif
+
+function! ale_linters#javascript#jshint#Handle(buffer, lines)
+    " Matches patterns line the following:
+    "
+    " stdin:57:9: Missing name in function declaration.
+    " stdin:60:5: Attempting to override 'test2' which is a constant.
+    " stdin:57:10: 'test' is defined but never used.
+    " stdin:57:1: 'function' is defined but never used.
+    let pattern = '^.\+:\(\d\+\):\(\d\+\): \(.\+\)'
+    let output = []
+
+    for line in a:lines
+        let l:match = matchlist(line, pattern)
+
+        if len(l:match) == 0
+            continue
+        endif
+
+        let text = l:match[3]
+        let marker_parts = l:match[4]
+
+        if len(marker_parts) == 2
+            let text = text . ' (' . marker_parts[1] . ')'
+        endif
+
+        " vcol is Needed to indicate that the column is a character.
+        call add(output, {
+        \   'bufnr': a:buffer,
+        \   'lnum': l:match[1] + 0,
+        \   'vcol': 0,
+        \   'col': l:match[2] + 0,
+        \   'text': text,
+        \   'type': 'E',
+        \   'nr': -1,
+        \})
+    endfor
+
+    return output
+endfunction
+
+call ALEAddLinter('javascript', {
+\   'executable': 'jshint',
+\   'command': 'jshint --reporter unix --config ' . g:ale_jshint_config_loc . ' -',
+\   'callback': 'ale_linters#javascript#jshint#Handle',
+\})
-- 
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