Support remark-lint installed locally

ale_linters/markdown/remark_lint.vim

@@ -1,5 +1,23 @@
 " Author rhysd https://rhysd.github.io/, Dirk Roorda (dirkroorda), Adrián González Rus (@adrigzr)
 " Description: remark-lint for Markdown files
+call ale#Set('markdown_remark_lint_executable', 'remark')
+call ale#Set('markdown_remark_lint_use_global', get(g:, 'ale_use_global_executables', 0))
+call ale#Set('markdown_remark_lint_options', '')
+
+function! ale_linters#markdown#remark_lint#GetExecutable(buffer) abort
+    return ale#node#FindExecutable(a:buffer, 'markdown_remark_lint', [
+    \   'node_modules/.bin/remark',
+    \])
+endfunction
+
+function! ale_linters#markdown#remark_lint#GetCommand(buffer) abort
+    let l:executable = ale_linters#markdown#remark_lint#GetExecutable(a:buffer)
+    let l:options = ale#Var(a:buffer, 'markdown_remark_lint_options')
+
+    return ale#node#Executable(a:buffer, l:executable)
+    \    . (!empty(l:options) ? ' ' . l:options : '')
+    \    . ' --no-stdout --no-color %s'
+endfunction
 
 function! ale_linters#markdown#remark_lint#Handle(buffer, lines) abort
     " matches: '  1:4  warning  Incorrect list-item indent: add 1 space  list-item-indent  remark-lint'
@@ -26,8 +44,8 @@ endfunction
 
 call ale#linter#Define('markdown', {
 \   'name': 'remark-lint',
-\   'executable': 'remark',
-\   'command': 'remark --no-stdout --no-color %s',
+\   'executable_callback': 'ale_linters#markdown#remark_lint#GetExecutable',
+\   'command_callback': 'ale_linters#markdown#remark_lint#GetCommand',
 \   'callback': 'ale_linters#markdown#remark_lint#Handle',
 \   'lint_file': 1,
 \   'output_stream': 'stderr',

doc/ale-markdown.txt

@@ -28,6 +28,33 @@ prettier                                                *ale-markdown-prettier*
 See |ale-javascript-prettier| for information about the available options.
 
 
+===============================================================================
+remark-lint                                          *ale-markdown-remark-lint*
+
+g:ale_markdown_remark_lint_executable   *g:ale_markdown_remark_lint_executable*
+                                        *b:ale_markdown_remark_lint_executable*
+  Type: |String|
+  Default: `'remark'`
+
+  See |ale-integrations-local-executables|
+
+
+g:ale_markdown_remark_lint_options         *g:ale_markdown_remark_lint_options*
+                                           *b:ale_markdown_remark_lint_options*
+  Type: |String|
+  Default: `''`
+
+  This variable can be set to pass additional options to remark-lint.
+
+
+g:ale_markdown_remark_lint_use_global   *g:ale_markdown_remark_lint_use_global*
+                                        *b:ale_markdown_remark_lint_use_global*
+  Type: |Number|
+  Default: `get(g:, 'ale_use_global_executables', 0)`
+
+  See |ale-integrations-local-executables|
+
+
 ===============================================================================
 textlint                                                *ale-markdown-textlint*
 

test/command_callback/test_remark_lint_command_callbacks.vader

@@ -0,0 +1,37 @@
+Before:
+  " This is just one language for the linter.
+  call ale#assert#SetUpLinterTest('markdown', 'remark_lint')
+
+After:
+  call ale#assert#TearDownLinterTest()
+
+Execute(The default command should be correct):
+  AssertLinter 'remark',
+  \ ale#Escape('remark') . ' --no-stdout --no-color %s'
+
+Execute(The executable should be configurable):
+  let b:ale_markdown_remark_lint_executable = 'foobar'
+
+  AssertLinter 'foobar',
+  \ ale#Escape('foobar') . ' --no-stdout --no-color %s'
+
+Execute(The options should be configurable):
+  let b:ale_markdown_remark_lint_options = '--something'
+
+  AssertLinter 'remark',
+  \ ale#Escape('remark') . ' --something --no-stdout --no-color %s'
+
+Execute(The local executable from .bin should be used if available):
+  call ale#test#SetFilename('remark_lint_paths/with_bin_path/foo.md')
+
+  AssertLinter
+  \ ale#path#Simplify(g:dir . '/remark_lint_paths/with_bin_path/node_modules/.bin/remark'),
+  \ ale#Escape(ale#path#Simplify(g:dir . '/remark_lint_paths/with_bin_path/node_modules/.bin/remark'))
+  \   . ' --no-stdout --no-color %s'
+
+Execute(The global executable should be uesd if the option is set):
+  let b:ale_markdown_remark_lint_use_global = 1
+  call ale#test#SetFilename('remark_lint_paths/with_bin_path/foo.md')
+
+  AssertLinter 'remark', ale#Escape('remark')
+  \   . ' --no-stdout --no-color %s'