Add a linter for clojure using clj-kondo (#2377)

1 files changed, 34 insertions, 0 deletions

diff --git a/ale_linters/clojure/clj_kondo.vim b/ale_linters/clojure/clj_kondo.vim
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+++ b/ale_linters/clojure/clj_kondo.vim
@@ -0,0 +1,34 @@
+" Author: Masashi Iizuka <liquidz.uo@gmail.com>
+" Description: linter for clojure using clj-kondo https://github.com/borkdude/clj-kondo
+
+function! ale_linters#clojure#clj_kondo#HandleCljKondoFormat(buffer, lines) abort
+    " output format
+    " <filename>:<line>:<column>: <issue type>: <message>
+    let l:pattern = '\v^[a-zA-Z]?:?[^:]+:(\d+):(\d+):? ((Exception|error|warning): ?(.+))$'
+    let l:output = []
+
+    for l:match in ale#util#GetMatches(a:lines, l:pattern)
+        let l:type = 'E'
+
+        if l:match[4] is? 'warning'
+            let l:type = 'W'
+        endif
+
+        call add(l:output, {
+        \   'lnum': l:match[1] + 0,
+        \   'col': l:match[2] + 0,
+        \   'text': l:match[3],
+        \   'type': l:type,
+        \})
+    endfor
+
+    return l:output
+endfunction
+
+call ale#linter#Define('clojure', {
+\   'name': 'clj-kondo',
+\   'output_stream': 'stdout',
+\   'executable': 'clj-kondo',
+\   'command': 'clj-kondo --lint %t',
+\   'callback': 'ale_linters#clojure#clj_kondo#HandleCljKondoFormat',
+\})