I broke up with neovim....vim is my best friend now

dot_vim/plugged/ale/ale_linters/zeek/zeek.vim

@@ -0,0 +1,22 @@
+" Author: Benjamin Bannier <bbannier@gmail.com>
+" Description: Support for checking Zeek files.
+"
+call ale#Set('zeek_zeek_executable', 'zeek')
+
+function! ale_linters#zeek#zeek#HandleErrors(buffer, lines) abort
+    let l:pattern = 'error in \v.*, line (\d+): (.*)$'
+
+    return map(ale#util#GetMatches(a:lines, l:pattern), "{
+    \   'lnum': str2nr(v:val[1]),
+    \   'text': v:val[2],
+    \}")
+endfunction
+
+call ale#linter#Define('zeek', {
+\   'name': 'zeek',
+\   'executable': {b -> ale#Var(b, 'zeek_zeek_executable')},
+\   'output_stream': 'stderr',
+\   'command': {-> '%e --parse-only %s'},
+\   'callback': 'ale_linters#zeek#zeek#HandleErrors',
+\   'lint_file': 1,
+\})