Merge branch 'master' into fix-swipl

* master: (133 commits)
  Add rnix-lsp for Nix diagnostics and completion
  add spectral support for json
  add spectral handler
  add spectral linter for yaml
  doc: Fix linter issues
  doc: Add documentation for Deno
  feat: Add Deno lsp support
  feat: Add Deno fmt fixer
  Add document for apkbuild filetype
  Add tests for atools handler, basic and dealing with Error and Warning
  Test default linters for apkbuild
  Document new default linters for apkbuild
  Make apkbuild_lint and secfixes_check default for apkbuild filetype
  document support for apkbuild-lint and secfixes-check for apkbuild
  Add linters for apkbuild-lint and secfixes-check from atools
  Add handler for the output of atools
  Fix typos
  Add command callback tests
  Add support for standalone files
  Fix linting errors
  ...

25 files changed, 411 insertions, 98 deletions

diff --git a/ale_linters/ada/adals.vim b/ale_linters/ada/adals.vim
new file mode 100644
index 00000000..9a41e1df
--- /dev/null
+++ b/ale_linters/ada/adals.vim
@@ -0,0 +1,26 @@
+" Author: Bartek Jasicki http://github.com/thindil
+" Description: Support for Ada Language Server
+
+call ale#Set('ada_adals_executable', 'ada_language_server')
+call ale#Set('ada_adals_project', 'default.gpr')
+call ale#Set('ada_adals_encoding', 'utf-8')
+
+function! ale_linters#ada#adals#GetAdaLSConfig(buffer) abort
+    return {
+    \   'ada.projectFile': ale#Var(a:buffer, 'ada_adals_project'),
+    \   'ada.defaultCharset': ale#Var(a:buffer, 'ada_adals_encoding')
+    \}
+endfunction
+
+function! ale_linters#ada#adals#GetRootDirectory(buffer) abort
+    return fnamemodify(bufname(a:buffer), ':p:h')
+endfunction
+
+call ale#linter#Define('ada', {
+\   'name': 'adals',
+\   'lsp': 'stdio',
+\   'executable': {b -> ale#Var(b, 'ada_adals_executable')},
+\   'command': '%e',
+\   'project_root': function('ale_linters#ada#adals#GetRootDirectory'),
+\   'lsp_config': function('ale_linters#ada#adals#GetAdaLSConfig')
+\})
diff --git a/ale_linters/apkbuild/apkbuild_lint.vim b/ale_linters/apkbuild/apkbuild_lint.vim
new file mode 100644
index 00000000..285f5534
--- /dev/null
+++ b/ale_linters/apkbuild/apkbuild_lint.vim
@@ -0,0 +1,12 @@
+" Author: Leo <thinkabit.ukim@gmail.com>
+" Description: apkbuild-lint from atools linter for APKBUILDs
+
+call ale#Set('apkbuild_apkbuild_lint_executable', 'apkbuild-lint')
+
+call ale#linter#Define('apkbuild', {
+\   'name': 'apkbuild_lint',
+\   'output_stream': 'stdout',
+\   'executable': {b -> ale#Var(b, 'apkbuild_apkbuild_lint_executable')},
+\   'command': '%e %t',
+\   'callback': 'ale#handlers#atools#Handle',
+\})
diff --git a/ale_linters/apkbuild/secfixes_check.vim b/ale_linters/apkbuild/secfixes_check.vim
new file mode 100644
index 00000000..c65267fd
--- /dev/null
+++ b/ale_linters/apkbuild/secfixes_check.vim
@@ -0,0 +1,12 @@
+" Author: Leo <thinkabit.ukim@gmail.com>
+" Description: secfixes-check from atools linter for APKBUILDs
+
+call ale#Set('apkbuild_secfixes_check_executable', 'secfixes-check')
+
+call ale#linter#Define('apkbuild', {
+\   'name': 'secfixes_check',
+\   'output_stream': 'stdout',
+\   'executable': {b -> ale#Var(b, 'apkbuild_secfixes_check_executable')},
+\   'command': '%e %t',
+\   'callback': 'ale#handlers#atools#Handle',
+\})
diff --git a/ale_linters/cpp/clangtidy.vim b/ale_linters/cpp/clangtidy.vim
index 5e062d86..d6944aae 100644
--- a/ale_linters/cpp/clangtidy.vim
+++ b/ale_linters/cpp/clangtidy.vim
@@ -23,11 +23,13 @@ function! ale_linters#cpp#clangtidy#GetCommand(buffer, output) abort
         let l:options = ale#Var(a:buffer, 'cpp_clangtidy_options')
         let l:cflags = ale#c#GetCFlags(a:buffer, a:output)
         let l:options .= !empty(l:options) ? ale#Pad(l:cflags) : l:cflags
-    endif
 
-    " Tell clang-tidy a .h header with a C++ filetype in Vim is a C++ file.
-    if expand('#' . a:buffer) =~# '\.h$'
-        let l:options .= !empty(l:options) ? ' -x c++' : '-x c++'
+        " Tell clang-tidy a .h header with a C++ filetype in Vim is a C++ file
+        " only when compile-commands.json file is not there. Adding these
+        " flags makes clang-tidy completely ignore compile commmands.
+        if expand('#' . a:buffer) =~# '\.h$'
+            let l:options .= !empty(l:options) ? ' -x c++' : '-x c++'
+        endif
     endif
 
     " Get the options to pass directly to clang-tidy
diff --git a/ale_linters/dafny/dafny.vim b/ale_linters/dafny/dafny.vim
index b5b90675..de7a7bb8 100644
--- a/ale_linters/dafny/dafny.vim
+++ b/ale_linters/dafny/dafny.vim
@@ -6,7 +6,7 @@ function! ale_linters#dafny#dafny#Handle(buffer, lines) abort
 
     for l:match in ale#util#GetMatches(a:lines, l:pattern)
         call add(l:output, {
-        \    'bufnr': a:buffer,
+        \    'filename': l:match[1],
         \    'col': l:match[3] + 0,
         \    'lnum': l:match[2] + 0,
         \    'text': l:match[5],
@@ -14,13 +14,28 @@ function! ale_linters#dafny#dafny#Handle(buffer, lines) abort
         \ })
     endfor
 
+    for l:match in ale#util#GetMatches(a:lines, '\v(.*)\((\d+),(\d+)\): (Verification of .{-} timed out after \d+ seconds)')
+        call add(l:output, {
+        \     'bufnr': a:buffer,
+        \     'col': l:match[3] + 0,
+        \     'lnum': l:match[2] + 0,
+        \     'text': l:match[4],
+        \     'type': 'E',
+        \ })
+    endfor
+
     return l:output
 endfunction
 
+function! ale_linters#dafny#dafny#GetCommand(buffer) abort
+    return printf('dafny %%s /compile:0 /timeLimit:%d', ale#Var(a:buffer, 'dafny_dafny_timelimit'))
+endfunction
+
+call ale#Set('dafny_dafny_timelimit', 10)
 call ale#linter#Define('dafny', {
 \    'name': 'dafny',
 \    'executable': 'dafny',
-\    'command': 'dafny %s /compile:0',
+\    'command': function('ale_linters#dafny#dafny#GetCommand'),
 \    'callback': 'ale_linters#dafny#dafny#Handle',
 \    'lint_file': 1,
 \ })
diff --git a/ale_linters/dart/analysis_server.vim b/ale_linters/dart/analysis_server.vim
new file mode 100644
index 00000000..a6870da9
--- /dev/null
+++ b/ale_linters/dart/analysis_server.vim
@@ -0,0 +1,29 @@
+" Author: Nelson Yeung <nelsyeung@gmail.com>
+" Description: Check Dart files with dart analysis server LSP
+
+call ale#Set('dart_analysis_server_executable', 'dart')
+
+function! ale_linters#dart#analysis_server#GetProjectRoot(buffer) abort
+    " Note: pub only looks for pubspec.yaml, there's no point in adding
+    " support for pubspec.yml
+    let l:pubspec = ale#path#FindNearestFile(a:buffer, 'pubspec.yaml')
+
+    return !empty(l:pubspec) ? fnamemodify(l:pubspec, ':h:h') : '.'
+endfunction
+
+function! ale_linters#dart#analysis_server#GetCommand(buffer) abort
+    let l:executable = ale#Var(a:buffer, 'dart_analysis_server_executable')
+    let l:dart = resolve(exepath(l:executable))
+
+    return '%e '
+    \   . fnamemodify(l:dart, ':h') . '/snapshots/analysis_server.dart.snapshot'
+    \   . ' --lsp'
+endfunction
+
+call ale#linter#Define('dart', {
+\   'name': 'analysis_server',
+\   'lsp': 'stdio',
+\   'executable': {b -> ale#Var(b, 'dart_analysis_server_executable')},
+\   'command': function('ale_linters#dart#analysis_server#GetCommand'),
+\   'project_root': function('ale_linters#dart#analysis_server#GetProjectRoot'),
+\})
diff --git a/ale_linters/elixir/credo.vim b/ale_linters/elixir/credo.vim
index 7c298502..892d47b9 100644
--- a/ale_linters/elixir/credo.vim
+++ b/ale_linters/elixir/credo.vim
@@ -45,6 +45,16 @@ function! ale_linters#elixir#credo#GetMode() abort
     endif
 endfunction
 
+function! ale_linters#elixir#credo#GetConfigFile() abort
+    let l:config_file = get(g:, 'ale_elixir_credo_config_file', '')
+
+    if empty(l:config_file)
+        return ''
+    endif
+
+    return ' --config-file ' . l:config_file
+endfunction
+
 function! ale_linters#elixir#credo#GetCommand(buffer) abort
     let l:project_root = ale#handlers#elixir#FindMixUmbrellaRoot(a:buffer)
     let l:mode = ale_linters#elixir#credo#GetMode()
@@ -52,6 +62,7 @@ function! ale_linters#elixir#credo#GetCommand(buffer) abort
     return ale#path#CdString(l:project_root)
     \ . 'mix help credo && '
     \ . 'mix credo ' . ale_linters#elixir#credo#GetMode()
+    \ . ale_linters#elixir#credo#GetConfigFile()
     \ . ' --format=flycheck --read-from-stdin %s'
 endfunction
 
diff --git a/ale_linters/erlang/erlc.vim b/ale_linters/erlang/erlc.vim
index a83bacc3..e78dc341 100644
--- a/ale_linters/erlang/erlc.vim
+++ b/ale_linters/erlang/erlc.vim
@@ -1,14 +1,22 @@
 " Author: Magnus Ottenklinger - https://github.com/evnu
 
+let g:ale_erlang_erlc_executable = get(g:, 'ale_erlang_erlc_executable', 'erlc')
 let g:ale_erlang_erlc_options = get(g:, 'ale_erlang_erlc_options', '')
 
+function! ale_linters#erlang#erlc#GetExecutable(buffer) abort
+    return ale#Var(a:buffer, 'erlang_erlc_executable')
+endfunction
+
 function! ale_linters#erlang#erlc#GetCommand(buffer) abort
     let l:output_file = ale#util#Tempname()
     call ale#command#ManageFile(a:buffer, l:output_file)
 
-    return 'erlc -o ' . ale#Escape(l:output_file)
-    \   . ' ' . ale#Var(a:buffer, 'erlang_erlc_options')
-    \   . ' %t'
+    let l:command = ale#Escape(ale_linters#erlang#erlc#GetExecutable(a:buffer))
+    \             . ' -o ' . ale#Escape(l:output_file)
+    \             . ' ' . ale#Var(a:buffer, 'erlang_erlc_options')
+    \             . ' %t'
+
+    return l:command
 endfunction
 
 function! ale_linters#erlang#erlc#Handle(buffer, lines) abort
@@ -90,7 +98,7 @@ endfunction
 
 call ale#linter#Define('erlang', {
 \   'name': 'erlc',
-\   'executable': 'erlc',
+\   'executable': function('ale_linters#erlang#erlc#GetExecutable'),
 \   'command': function('ale_linters#erlang#erlc#GetCommand'),
 \   'callback': 'ale_linters#erlang#erlc#Handle',
 \})
diff --git a/ale_linters/inko/inko.vim b/ale_linters/inko/inko.vim
new file mode 100644
index 00000000..11558897
--- /dev/null
+++ b/ale_linters/inko/inko.vim
@@ -0,0 +1,33 @@
+" Author: Yorick Peterse <yorick@yorickpeterse.com>
+" Description: linting of Inko source code using the Inko compiler
+
+call ale#Set('inko_inko_executable', 'inko')
+
+function! ale_linters#inko#inko#GetCommand(buffer) abort
+    let l:include = ''
+
+    " Include the tests source directory, but only for test files.
+    if expand('#' . a:buffer . ':p') =~? '\vtests[/\\]test[/\\]'
+        let l:test_dir = ale#path#FindNearestDirectory(a:buffer, 'tests')
+
+        if isdirectory(l:test_dir)
+            let l:include = '--include ' . ale#Escape(l:test_dir)
+        endif
+    endif
+
+    " We use %s instead of %t so the compiler determines the correct module
+    " names for the file being edited. Not doing so may lead to errors in
+    " certain cases.
+    return '%e build --check --format=json'
+    \ . ale#Pad(l:include)
+    \ . ' %s'
+endfunction
+
+call ale#linter#Define('inko', {
+\   'name': 'inko',
+\   'executable': {b -> ale#Var(b, 'inko_inko_executable')},
+\   'command': function('ale_linters#inko#inko#GetCommand'),
+\   'callback': 'ale#handlers#inko#Handle',
+\   'output_stream': 'stderr',
+\   'lint_file': 1
+\})
diff --git a/ale_linters/java/checkstyle.vim b/ale_linters/java/checkstyle.vim
index ec7339d1..f00734e0 100644
--- a/ale_linters/java/checkstyle.vim
+++ b/ale_linters/java/checkstyle.vim
@@ -9,7 +9,7 @@ function! ale_linters#java#checkstyle#Handle(buffer, lines) abort
     let l:output = []
 
     " modern checkstyle versions
-    let l:pattern = '\v\[(WARN|ERROR)\] [a-zA-Z]?:?[^:]+:(\d+):(\d+)?:? (.*) \[(.+)\]$'
+    let l:pattern = '\v\[(WARN|ERROR)\] [a-zA-Z]?:?[^:]+:(\d+):(\d+)?:? (.*) \[(.+)\]'
 
     for l:match in ale#util#GetMatches(a:lines, l:pattern)
         call add(l:output, {
diff --git a/ale_linters/javascript/xo.vim b/ale_linters/javascript/xo.vim
index e24f4a82..5e04ad5c 100644
--- a/ale_linters/javascript/xo.vim
+++ b/ale_linters/javascript/xo.vim
@@ -1,26 +1,9 @@
 " Author: Daniel Lupu <lupu.daniel.f@gmail.com>
 " Description: xo for JavaScript files
 
-call ale#Set('javascript_xo_executable', 'xo')
-call ale#Set('javascript_xo_use_global', get(g:, 'ale_use_global_executables', 0))
-call ale#Set('javascript_xo_options', '')
-
-function! ale_linters#javascript#xo#GetExecutable(buffer) abort
-    return ale#node#FindExecutable(a:buffer, 'javascript_xo', [
-    \   'node_modules/.bin/xo',
-    \])
-endfunction
-
-function! ale_linters#javascript#xo#GetCommand(buffer) abort
-    return ale#Escape(ale_linters#javascript#xo#GetExecutable(a:buffer))
-    \   . ' ' . ale#Var(a:buffer, 'javascript_xo_options')
-    \   . ' --reporter json --stdin --stdin-filename %s'
-endfunction
-
-" xo uses eslint and the output format is the same
 call ale#linter#Define('javascript', {
 \   'name': 'xo',
-\   'executable': function('ale_linters#javascript#xo#GetExecutable'),
-\   'command': function('ale_linters#javascript#xo#GetCommand'),
-\   'callback': 'ale#handlers#eslint#HandleJSON',
+\   'executable': function('ale#handlers#xo#GetExecutable'),
+\   'command': function('ale#handlers#xo#GetLintCommand'),
+\   'callback': 'ale#handlers#xo#HandleJSON',
 \})
diff --git a/ale_linters/json/spectral.vim b/ale_linters/json/spectral.vim
new file mode 100644
index 00000000..c7d56234
--- /dev/null
+++ b/ale_linters/json/spectral.vim
@@ -0,0 +1,14 @@
+" Author: t2h5 <https://github.com/t2h5>
+" Description: Integration of Stoplight Spectral CLI with ALE.
+
+call ale#Set('json_spectral_executable', 'spectral')
+call ale#Set('json_spectral_use_global', get(g:, 'ale_use_global_executables', 0))
+
+call ale#linter#Define('json', {
+\   'name': 'spectral',
+\   'executable': {b -> ale#node#FindExecutable(b, 'json_spectral', [
+\       'node_modules/.bin/spectral',
+\   ])},
+\   'command': '%e lint --ignore-unknown-format -q -f text %t',
+\   'callback': 'ale#handlers#spectral#HandleSpectralOutput'
+\})
diff --git a/ale_linters/julia/languageserver.vim b/ale_linters/julia/languageserver.vim
index 564bec39..999ad815 100644
--- a/ale_linters/julia/languageserver.vim
+++ b/ale_linters/julia/languageserver.vim
@@ -6,9 +6,9 @@ call ale#Set('julia_executable', 'julia')
 
 function! ale_linters#julia#languageserver#GetCommand(buffer) abort
     let l:julia_executable = ale#Var(a:buffer, 'julia_executable')
-    let l:cmd_string = 'using LanguageServer; server = LanguageServer.LanguageServerInstance(isdefined(Base, :stdin) ? stdin : STDIN, isdefined(Base, :stdout) ? stdout : STDOUT, false); server.runlinter = true; run(server);'
+    let l:cmd_string = 'using LanguageServer; using Pkg; import StaticLint; import SymbolServer; server = LanguageServer.LanguageServerInstance(isdefined(Base, :stdin) ? stdin : STDIN, isdefined(Base, :stdout) ? stdout : STDOUT, dirname(Pkg.Types.Context().env.project_file)); server.runlinter = true; run(server);'
 
-    return ale#Escape(l:julia_executable) . ' --startup-file=no --history-file=no -e ' . ale#Escape(l:cmd_string)
+    return ale#Escape(l:julia_executable) . ' --project=@. --startup-file=no --history-file=no -e ' . ale#Escape(l:cmd_string)
 endfunction
 
 call ale#linter#Define('julia', {
diff --git a/ale_linters/nix/rnix_lsp.vim b/ale_linters/nix/rnix_lsp.vim
new file mode 100644
index 00000000..949bed1c
--- /dev/null
+++ b/ale_linters/nix/rnix_lsp.vim
@@ -0,0 +1,16 @@
+" Author: jD91mZM2 <me@krake.one>
+" Description: rnix-lsp language client
+
+function! ale_linters#nix#rnix_lsp#GetProjectRoot(buffer) abort
+    " rnix-lsp does not yet use the project root, so getting it right is not
+    " important
+    return fnamemodify(a:buffer, ':h')
+endfunction
+
+call ale#linter#Define('nix', {
+\   'name': 'rnix_lsp',
+\   'lsp': 'stdio',
+\   'executable': 'rnix-lsp',
+\   'command': '%e',
+\   'project_root': function('ale_linters#nix#rnix_lsp#GetProjectRoot'),
+\})
diff --git a/ale_linters/openapi/ibm_validator.vim b/ale_linters/openapi/ibm_validator.vim
new file mode 100644
index 00000000..446931a2
--- /dev/null
+++ b/ale_linters/openapi/ibm_validator.vim
@@ -0,0 +1,58 @@
+" Author: Horacio Sanson <hsanson@gmail.com>
+
+call ale#Set('openapi_ibm_validator_executable', 'lint-openapi')
+call ale#Set('openapi_ibm_validator_options', '')
+
+function! ale_linters#openapi#ibm_validator#GetCommand(buffer) abort
+    return '%e' . ale#Pad(ale#Var(a:buffer, 'openapi_ibm_validator_options'))
+    \ . ' %t'
+endfunction
+
+function! ale_linters#openapi#ibm_validator#Handle(buffer, lines) abort
+    let l:output = []
+    let l:type = 'E'
+    let l:message = ''
+    let l:nr = -1
+
+    for l:line in a:lines
+        let l:match = matchlist(l:line, '^errors$')
+
+        if !empty(l:match)
+            let l:type = 'E'
+        endif
+
+        let l:match = matchlist(l:line, '^warnings$')
+
+        if !empty(l:match)
+            let l:type = 'W'
+        endif
+
+        let l:match = matchlist(l:line, '^ *Message : *\(.\+\)$')
+
+        if !empty(l:match)
+            let l:message = l:match[1]
+        endif
+
+        let l:match = matchlist(l:line, '^ *Line *: *\(\d\+\)$')
+
+        if !empty(l:match)
+            let l:nr = l:match[1]
+
+            call add(l:output, {
+            \   'lnum': l:nr + 0,
+            \   'col': 0,
+            \   'text': l:message,
+            \   'type': l:type,
+            \})
+        endif
+    endfor
+
+    return l:output
+endfunction
+
+call ale#linter#Define('openapi', {
+\   'name': 'ibm_validator',
+\   'executable': {b -> ale#Var(b, 'openapi_ibm_validator_executable')},
+\   'command': function('ale_linters#openapi#ibm_validator#GetCommand'),
+\   'callback': 'ale_linters#openapi#ibm_validator#Handle',
+\})
diff --git a/ale_linters/openapi/yamllint.vim b/ale_linters/openapi/yamllint.vim
new file mode 100644
index 00000000..2b8952cc
--- /dev/null
+++ b/ale_linters/openapi/yamllint.vim
@@ -0,0 +1,9 @@
+call ale#Set('yaml_yamllint_executable', 'yamllint')
+call ale#Set('yaml_yamllint_options', '')
+
+call ale#linter#Define('openapi', {
+\   'name': 'yamllint',
+\   'executable': {b -> ale#Var(b, 'yaml_yamllint_executable')},
+\   'command': function('ale#handlers#yamllint#GetCommand'),
+\   'callback': 'ale#handlers#yamllint#Handle',
+\})
diff --git a/ale_linters/php/intelephense.vim b/ale_linters/php/intelephense.vim
index e9e07d1f..aca619e3 100644..100755
--- a/ale_linters/php/intelephense.vim
+++ b/ale_linters/php/intelephense.vim
@@ -18,8 +18,8 @@ function! ale_linters#php#intelephense#GetProjectRoot(buffer) abort
     return !empty(l:git_path) ? fnamemodify(l:git_path, ':h:h') : ''
 endfunction
 
-function! ale_linters#php#intelephense#GetInitializationOptions() abort
-    return ale#Get('php_intelephense_config')
+function! ale_linters#php#intelephense#GetInitializationOptions(buffer) abort
+    return ale#Var(a:buffer, 'php_intelephense_config')
 endfunction
 
 call ale#linter#Define('php', {
diff --git a/ale_linters/ruby/sorbet.vim b/ale_linters/ruby/sorbet.vim
index cae0683c..c67e20cc 100644
--- a/ale_linters/ruby/sorbet.vim
+++ b/ale_linters/ruby/sorbet.vim
@@ -1,14 +1,17 @@
 call ale#Set('ruby_sorbet_executable', 'srb')
 call ale#Set('ruby_sorbet_options', '')
+call ale#Set('ruby_sorbet_enable_watchman', 0)
 
 function! ale_linters#ruby#sorbet#GetCommand(buffer) abort
     let l:executable = ale#Var(a:buffer, 'ruby_sorbet_executable')
     let l:options = ale#Var(a:buffer, 'ruby_sorbet_options')
+    let l:enable_watchman = ale#Var(a:buffer, 'ruby_sorbet_enable_watchman')
 
     return ale#ruby#EscapeExecutable(l:executable, 'srb')
     \   . ' tc'
     \   . (!empty(l:options) ? ' ' . l:options : '')
-    \   . ' --lsp --disable-watchman'
+    \   . ' --lsp'
+    \   . (l:enable_watchman ? '' : ' --disable-watchman')
 endfunction
 
 call ale#linter#Define('ruby', {
diff --git a/ale_linters/rust/analyzer.vim b/ale_linters/rust/analyzer.vim
index 3666ec03..77d946f7 100644
--- a/ale_linters/rust/analyzer.vim
+++ b/ale_linters/rust/analyzer.vim
@@ -17,7 +17,7 @@ endfunction
 call ale#linter#Define('rust', {
 \   'name': 'analyzer',
 \   'lsp': 'stdio',
-\   'lsp_config': {b -> ale#Var(b, 'rust_analyzer_config')},
+\   'initialization_options': {b -> ale#Var(b, 'rust_analyzer_config')},
 \   'executable': {b -> ale#Var(b, 'rust_analyzer_executable')},
 \   'command': function('ale_linters#rust#analyzer#GetCommand'),
 \   'project_root': function('ale_linters#rust#analyzer#GetProjectRoot'),
diff --git a/ale_linters/salt/salt_lint.vim b/ale_linters/salt/salt_lint.vim
new file mode 100644
index 00000000..47f66d83
--- /dev/null
+++ b/ale_linters/salt/salt_lint.vim
@@ -0,0 +1,33 @@
+" Author: Benjamin BINIER <poulpatine@gmail.com>
+" Description: salt-lint, saltstack linter
+
+call ale#Set('salt_salt_lint_executable', 'salt-lint')
+call ale#Set('salt_salt_lint_options', '')
+
+function! ale_linters#salt#salt_lint#GetCommand(buffer) abort
+    return '%e' . ale#Pad(ale#Var(a:buffer, 'salt_salt_lint_options'))
+    \   . ' --json'
+endfunction
+
+function! ale_linters#salt#salt_lint#Handle(buffer, lines) abort
+    let l:output = []
+
+    for l:error in ale#util#FuzzyJSONDecode(a:lines, [])
+        call add(l:output, {
+        \   'lnum': l:error.linenumber + 0,
+        \   'code': l:error.id + 0,
+        \   'text': l:error.message,
+        \   'type': l:error.severity is# 'HIGH' ? 'E' : 'W',
+        \})
+    endfor
+
+    return l:output
+endfunction
+
+call ale#linter#Define('salt', {
+\   'name': 'salt_lint',
+\   'aliases': ['salt-lint'],
+\   'executable': {b -> ale#Var(b, 'salt_salt_lint_executable')},
+\   'command': function('ale_linters#salt#salt_lint#GetCommand'),
+\   'callback': 'ale_linters#salt#salt_lint#Handle'
+\})
diff --git a/ale_linters/typescript/deno.vim b/ale_linters/typescript/deno.vim
new file mode 100644
index 00000000..051cb208
--- /dev/null
+++ b/ale_linters/typescript/deno.vim
@@ -0,0 +1,25 @@
+" Author: Mohammed Chelouti - https://github.com/motato1
+" Description: Deno lsp linter for TypeScript files.
+
+call ale#linter#Define('typescript', {
+\   'name': 'deno',
+\   'lsp': 'stdio',
+\   'executable': function('ale#handlers#deno#GetExecutable'),
+\   'command': '%e lsp',
+\   'project_root': function('ale#handlers#deno#GetProjectRoot'),
+\   'initialization_options': function('ale_linters#typescript#deno#GetInitializationOptions'),
+\})
+
+function! ale_linters#typescript#deno#GetInitializationOptions(buffer) abort
+    let l:options = {
+    \   'enable': v:true,
+    \   'lint': v:true,
+    \   'unstable': v:false,
+    \   }
+
+    if ale#Var(a:buffer, 'deno_unstable')
+        let l:options.unstable = v:true
+    endif
+
+    return l:options
+endfunction
diff --git a/ale_linters/typescript/xo.vim b/ale_linters/typescript/xo.vim
index 0a3a717b..6f4ee50c 100644
--- a/ale_linters/typescript/xo.vim
+++ b/ale_linters/typescript/xo.vim
@@ -1,23 +1,6 @@
-call ale#Set('typescript_xo_executable', 'xo')
-call ale#Set('typescript_xo_use_global', get(g:, 'ale_use_global_executables', 0))
-call ale#Set('typescript_xo_options', '')
-
-function! ale_linters#typescript#xo#GetExecutable(buffer) abort
-    return ale#node#FindExecutable(a:buffer, 'typescript_xo', [
-    \   'node_modules/.bin/xo',
-    \])
-endfunction
-
-function! ale_linters#typescript#xo#GetCommand(buffer) abort
-    return ale#Escape(ale_linters#typescript#xo#GetExecutable(a:buffer))
-    \   . ale#Pad(ale#Var(a:buffer, 'typescript_xo_options'))
-    \   . ' --reporter json --stdin --stdin-filename %s'
-endfunction
-
-" xo uses eslint and the output format is the same
 call ale#linter#Define('typescript', {
 \   'name': 'xo',
-\   'executable': function('ale_linters#typescript#xo#GetExecutable'),
-\   'command': function('ale_linters#typescript#xo#GetCommand'),
-\   'callback': 'ale#handlers#eslint#HandleJSON',
+\   'executable': function('ale#handlers#xo#GetExecutable'),
+\   'command': function('ale#handlers#xo#GetLintCommand'),
+\   'callback': 'ale#handlers#xo#HandleJSON',
 \})
diff --git a/ale_linters/vala/vala_lint.vim b/ale_linters/vala/vala_lint.vim
new file mode 100644
index 00000000..7f8a566a
--- /dev/null
+++ b/ale_linters/vala/vala_lint.vim
@@ -0,0 +1,66 @@
+" Author: Atsuya Takagi <asoftonight@gmail.com>
+" Description: A linter for Vala using Vala-Lint.
+
+call ale#Set('vala_vala_lint_config_filename', 'vala-lint.conf')
+call ale#Set('vala_vala_lint_executable', 'io.elementary.vala-lint')
+
+function! ale_linters#vala#vala_lint#GetExecutable(buffer) abort
+    return ale#Var(a:buffer, 'vala_vala_lint_executable')
+endfunction
+
+function! ale_linters#vala#vala_lint#GetCommand(buffer) abort
+    let l:command = ale_linters#vala#vala_lint#GetExecutable(a:buffer)
+
+    let l:config_filename = ale#Var(a:buffer, 'vala_vala_lint_config_filename')
+    let l:config_path = ale#path#FindNearestFile(a:buffer, l:config_filename)
+
+    if !empty(l:config_path)
+        let l:command .= ' -c ' . l:config_path
+    endif
+
+    return l:command . ' %s'
+endfunction
+
+function! ale_linters#vala#vala_lint#Handle(buffer, lines) abort
+    let l:pattern = '^\s*\(\d\+\)\.\(\d\+\)\s\+\(error\|warn\)\s\+\(.\+\)\s\([A-Za-z0-9_\-]\+\)'
+    let l:output = []
+
+    for l:line in a:lines
+        " remove color escape sequences since vala-lint doesn't support
+        " output without colors
+        let l:cleaned_line = substitute(l:line, '\e\[[0-9;]\+[mK]', '', 'g')
+        let l:match = matchlist(l:cleaned_line, l:pattern)
+
+        if len(l:match) == 0
+            continue
+        endif
+
+        let l:refined_type = l:match[3] is# 'warn' ? 'W' : 'E'
+        let l:cleaned_text = substitute(l:match[4], '^\s*\(.\{-}\)\s*$', '\1', '')
+
+        let l:lnum = l:match[1] + 0
+        let l:column = l:match[2] + 0
+        let l:type = l:refined_type
+        let l:text = l:cleaned_text
+        let l:code = l:match[5]
+
+        call add(l:output, {
+        \   'lnum': l:lnum,
+        \   'col': l:column,
+        \   'text': l:text,
+        \   'type': l:type,
+        \   'code': l:code,
+        \})
+    endfor
+
+    return l:output
+endfunction
+
+call ale#linter#Define('vala', {
+\   'name': 'vala_lint',
+\   'output_stream': 'stdout',
+\   'executable': function('ale_linters#vala#vala_lint#GetExecutable'),
+\   'command': function('ale_linters#vala#vala_lint#GetCommand'),
+\   'callback': 'ale_linters#vala#vala_lint#Handle',
+\   'lint_file': 1,
+\})
diff --git a/ale_linters/yaml/spectral.vim b/ale_linters/yaml/spectral.vim
new file mode 100644
index 00000000..bd4623a5
--- /dev/null
+++ b/ale_linters/yaml/spectral.vim
@@ -0,0 +1,14 @@
+" Author: t2h5 <https://github.com/t2h5>
+" Description: Integration of Stoplight Spectral CLI with ALE.
+
+call ale#Set('yaml_spectral_executable', 'spectral')
+call ale#Set('yaml_spectral_use_global', get(g:, 'ale_use_global_executables', 0))
+
+call ale#linter#Define('yaml', {
+\   'name': 'spectral',
+\   'executable': {b -> ale#node#FindExecutable(b, 'yaml_spectral', [
+\       'node_modules/.bin/spectral',
+\   ])},
+\   'command': '%e lint --ignore-unknown-format -q -f text %t',
+\   'callback': 'ale#handlers#spectral#HandleSpectralOutput'
+\})
diff --git a/ale_linters/yaml/yamllint.vim b/ale_linters/yaml/yamllint.vim
index bedb7bf1..39011df1 100644
--- a/ale_linters/yaml/yamllint.vim
+++ b/ale_linters/yaml/yamllint.vim
@@ -3,48 +3,9 @@
 call ale#Set('yaml_yamllint_executable', 'yamllint')
 call ale#Set('yaml_yamllint_options', '')
 
-function! ale_linters#yaml#yamllint#GetCommand(buffer) abort
-    return '%e' . ale#Pad(ale#Var(a:buffer, 'yaml_yamllint_options'))
-    \   . ' -f parsable %t'
-endfunction
-
-function! ale_linters#yaml#yamllint#Handle(buffer, lines) abort
-    " Matches patterns line the following:
-    " something.yaml:1:1: [warning] missing document start "---" (document-start)
-    " something.yml:2:1: [error] syntax error: expected the node content, but found '<stream end>'
-    let l:pattern = '\v^.*:(\d+):(\d+): \[(error|warning)\] (.+)$'
-    let l:output = []
-
-    for l:match in ale#util#GetMatches(a:lines, l:pattern)
-        let l:item = {
-        \   'lnum': l:match[1] + 0,
-        \   'col': l:match[2] + 0,
-        \   'text': l:match[4],
-        \   'type': l:match[3] is# 'error' ? 'E' : 'W',
-        \}
-
-        let l:code_match = matchlist(l:item.text, '\v^(.+) \(([^)]+)\)$')
-
-        if !empty(l:code_match)
-            if l:code_match[2] is# 'trailing-spaces'
-            \&& !ale#Var(a:buffer, 'warn_about_trailing_whitespace')
-                " Skip warnings for trailing whitespace if the option is off.
-                continue
-            endif
-
-            let l:item.text = l:code_match[1]
-            let l:item.code = l:code_match[2]
-        endif
-
-        call add(l:output, l:item)
-    endfor
-
-    return l:output
-endfunction
-
 call ale#linter#Define('yaml', {
 \   'name': 'yamllint',
 \   'executable': {b -> ale#Var(b, 'yaml_yamllint_executable')},
-\   'command': function('ale_linters#yaml#yamllint#GetCommand'),
-\   'callback': 'ale_linters#yaml#yamllint#Handle',
+\   'command': function('ale#handlers#yamllint#GetCommand'),
+\   'callback': 'ale#handlers#yamllint#Handle',
 \})