Use JSON output for eslint and fix tsserver column

ale_linters/javascript/eslint.vim

@@ -6,5 +6,5 @@ call ale#linter#Define('javascript', {
 \   'output_stream': 'both',
 \   'executable': function('ale#handlers#eslint#GetExecutable'),
 \   'command': function('ale#handlers#eslint#GetCommand'),
-\   'callback': 'ale#handlers#eslint#Handle',
+\   'callback': 'ale#handlers#eslint#HandleJSON',
 \})