Simplify the code for most linters and tests with closures

1 files changed, 4 insertions, 13 deletions

diff --git a/ale_linters/typescript/tsserver.vim b/ale_linters/typescript/tsserver.vim
index 08bd0f41..0ad35d37 100644
--- a/ale_linters/typescript/tsserver.vim
+++ b/ale_linters/typescript/tsserver.vim
@@ -5,22 +5,13 @@ call ale#Set('typescript_tsserver_executable', 'tsserver')
 call ale#Set('typescript_tsserver_config_path', '')
 call ale#Set('typescript_tsserver_use_global', get(g:, 'ale_use_global_executables', 0))
 
-" These functions need to be defined just to comply with the API for LSP.
-function! ale_linters#typescript#tsserver#GetProjectRoot(buffer) abort
-    return ''
-endfunction
-
-function! ale_linters#typescript#tsserver#GetExecutable(buffer) abort
-    return ale#node#FindExecutable(a:buffer, 'typescript_tsserver', [
-    \   'node_modules/.bin/tsserver',
-    \])
-endfunction
-
 call ale#linter#Define('typescript', {
 \   'name': 'tsserver',
 \   'lsp': 'tsserver',
-\   'executable_callback': 'ale_linters#typescript#tsserver#GetExecutable',
+\   'executable_callback': ale#node#FindExecutableFunc('typescript_tsserver', [
+\       'node_modules/.bin/tsserver',
+\   ]),
 \   'command_callback': 'ale_linters#typescript#tsserver#GetExecutable',
-\   'project_root_callback': 'ale_linters#typescript#tsserver#GetProjectRoot',
+\   'project_root_callback': {-> ''},
 \   'language': '',
 \})