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-rw-r--r--ale_linters/json/jq.vim34
-rw-r--r--test/test_jq_linter.vader15
2 files changed, 49 insertions, 0 deletions
diff --git a/ale_linters/json/jq.vim b/ale_linters/json/jq.vim
new file mode 100644
index 00000000..4cce0e98
--- /dev/null
+++ b/ale_linters/json/jq.vim
@@ -0,0 +1,34 @@
+" Author: jD91mZM2 <me@krake.one>
+
+call ale#Set('json_jq_executable', 'jq')
+
+function! ale_linters#json#jq#GetCommand(buffer) abort
+ let l:executable = ale#Var(a:buffer, 'json_jq_executable')
+
+ return ale#Var(a:buffer, 'json_jq_executable')
+endfunction
+
+function! ale_linters#json#jq#Handle(buffer, lines) abort
+ " Matches patterns like the following:
+ " parse error: Expected another key-value pair at line 4, column 3
+ let l:pattern = '^parse error: \(.\+\) at line \(\d\+\), column \(\d\+\)$'
+ let l:output = []
+
+ for l:match in ale#util#GetMatches(a:lines, l:pattern)
+ call add(l:output, {
+ \ 'text': l:match[1],
+ \ 'lnum': l:match[2] + 0,
+ \ 'col': l:match[3] + 0,
+ \})
+ endfor
+
+ return l:output
+endfunction
+
+call ale#linter#Define('json', {
+\ 'name': 'jq',
+\ 'executable': { b -> ale#Var(b, 'json_jq_executable') },
+\ 'output_stream': 'stderr',
+\ 'command': function('ale_linters#json#jq#GetCommand'),
+\ 'callback': 'ale_linters#json#jq#Handle',
+\})
diff --git a/test/test_jq_linter.vader b/test/test_jq_linter.vader
new file mode 100644
index 00000000..e702f5a3
--- /dev/null
+++ b/test/test_jq_linter.vader
@@ -0,0 +1,15 @@
+Before:
+ runtime ale_linters/json/jq.vim
+
+Execute (Should parse error correctly):
+ AssertEqual
+ \ [
+ \ {
+ \ 'lnum': 1,
+ \ 'col': 9,
+ \ 'text': 'Expected another array element',
+ \ }
+ \ ],
+ \ ale_linters#json#jq#Handle(0, [
+ \ 'parse error: Expected another array element at line 1, column 9'
+ \ ])