From d8efd4fa73277908467ba59926428ca22703df27 Mon Sep 17 00:00:00 2001
From: Daniel Lupu <lupu.daniel.f@gmail.com>
Date: Thu, 9 Feb 2017 20:54:49 +0200
Subject: add xo support (#304)
* add xo support
* add documentation
* Fix a screw up when fixing conflicts
* Fix it harder
---
ale_linters/javascript/xo.vim | 41 +++++++++++++++++++++++++++++++++++++++++
doc/ale.txt | 38 +++++++++++++++++++++++++++++++++++++-
2 files changed, 78 insertions(+), 1 deletion(-)
create mode 100644 ale_linters/javascript/xo.vim
diff --git a/ale_linters/javascript/xo.vim b/ale_linters/javascript/xo.vim
new file mode 100644
index 00000000..e27f6f33
--- /dev/null
+++ b/ale_linters/javascript/xo.vim
@@ -0,0 +1,41 @@
+" Author: Daniel Lupu <lupu.daniel.f@gmail.com>
+" Description: xo for JavaScript files
+
+let g:ale_javascript_xo_executable =
+\ get(g:, 'ale_javascript_xo_executable', 'xo')
+
+let g:ale_javascript_xo_options =
+\ get(g:, 'ale_javascript_xo_options', '')
+
+let g:ale_javascript_xo_use_global =
+\ get(g:, 'ale_javascript_xo_use_global', 0)
+
+function! ale_linters#javascript#xo#GetExecutable(buffer) abort
+ if g:ale_javascript_xo_use_global
+ return g:ale_javascript_xo_executable
+ endif
+
+ return ale#util#ResolveLocalPath(
+ \ a:buffer,
+ \ 'node_modules/.bin/xo',
+ \ g:ale_javascript_xo_executable
+ \)
+endfunction
+
+function! ale_linters#javascript#xo#GetCommand(buffer) abort
+ return ale_linters#javascript#xo#GetExecutable(a:buffer)
+ \ . ' ' . g:ale_javascript_xo_options
+ \ . ' --reporter unix --stdin --stdin-filename %s'
+endfunction
+
+function! ale_linters#javascript#xo#Handle(buffer, lines) abort
+ " xo uses eslint and the output format is the same
+ return ale_linters#javascript#eslint#Handle(a:buffer, a:lines)
+endfunction
+
+call ale#linter#Define('javascript', {
+\ 'name': 'xo',
+\ 'executable_callback': 'ale_linters#javascript#xo#GetExecutable',
+\ 'command_callback': 'ale_linters#javascript#xo#GetCommand',
+\ 'callback': 'ale_linters#javascript#xo#Handle',
+\})
diff --git a/doc/ale.txt b/doc/ale.txt
index 187251f6..348be809 100644
--- a/doc/ale.txt
+++ b/doc/ale.txt
@@ -36,6 +36,7 @@ CONTENTS *ale-contents*
4.24. python-pylint...................|ale-linter-options-python-pylint|
4.25. erlang..........................|ale-linter-options-erlang|
4.26. phpmd...........................|ale-linter-options-phpmd|
+ 4.27. xo..............................|ale-linter-options-xo|
5. Linter Integration Notes.............|ale-linter-integration|
5.1. merlin..........................|ale-linter-integration-ocaml-merlin|
5.2. rust.............................|ale-integration-rust|
@@ -86,7 +87,7 @@ The following languages and tools are supported.
* Go: 'gofmt -e', 'go vet', 'golint', 'go build'
* Haskell: 'ghc', 'hlint'
* HTML: 'HTMLHint', 'tidy'
-* JavaScript: 'eslint', 'jscs', 'jshint', 'flow'
+* JavaScript: 'eslint', 'jscs', 'jshint', 'flow', 'xo'
* JSON: 'jsonlint'
* LaTeX: 'chktex', 'lacheck'
* Lua: 'luacheck'
@@ -892,6 +893,41 @@ g:ale_php_phpmd_ruleset *g:ale_php_phpmd_ruleset*
This variable controls the ruleset used by phpmd. Default is to use all of
the available phpmd rulesets
+------------------------------------------------------------------------------
+4.27. xo *ale-linter-options-xo*
+
+g:ale_javascript_xo_executable *g:ale_javascript_xo_executable*
+
+ Type: |String|
+ Default: `'xo'`
+
+ ALE will first discover the xo path in an ancestor node_modules
+ directory. If no such path exists, this variable will be used instead.
+
+ This variable can be set to change the path to xo.
+
+ If you wish to use only a globally installed version of xo, set
+ |g:ale_javascript_xo_use_global| to `1`.
+
+
+g:ale_javascript_xo_options *g:ale_javascript_xo_options*
+
+ Type: |String|
+ Default: `''`
+
+ This variable can be set to pass additional options to xo.
+
+
+g:ale_javascript_xo_use_global *g:ale_javascript_xo_use_global*
+
+ Type: |String|
+ Default: `0`
+
+ This variable controls whether or not ALE will search for a local path for
+ xo first. If this variable is set to `1`, then ALE will always use the
+ global version of xo, in preference to locally installed versions of
+ xo in node_modules.
+
===============================================================================
5. Linter Integration Notes *ale-linter-integration*
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