Add importMap option to deno Initialization Options (#3827)

* feat(deno): move init options to handlers

* feat(deno): add deno lsp support for js files

* feat(deno): use default map option

* feat(docs): add deno import map option

* feat(deno): add tests for importMap option

* fix(deno): use full path in importMap

* feat(deno): remove deno as linter for js, separate PR

* fix(deno): test for executable

* fix(deno-test): include filename to simplify function

4 files changed, 40 insertions, 3 deletions

diff --git a/test/linter/test_typescript_deno_lsp.vader b/test/linter/test_typescript_deno_lsp.vader
index 88b2e036..944f6a0a 100644
--- a/test/linter/test_typescript_deno_lsp.vader
+++ b/test/linter/test_typescript_deno_lsp.vader
@@ -1,4 +1,5 @@
 Before:
+  let g:ale_deno_importMap = 'import_map.json'
   let g:ale_deno_unstable = 0
   let g:ale_deno_executable = 'deno'
   let g:ale_deno_lsp_project_root = ''
@@ -13,7 +14,8 @@ Execute(Should set deno lsp for TypeScript projects using stable Deno API):
   AssertLSPOptions {
   \   'enable': v:true,
   \   'lint': v:true,
-  \   'unstable': v:false
+  \   'unstable': v:false,
+  \   'importMap': ''
   \}
 
 Execute(Should set deno lsp using unstable Deno API if enabled by user):
@@ -22,7 +24,41 @@ Execute(Should set deno lsp using unstable Deno API if enabled by user):
   AssertLSPOptions {
   \   'enable': v:true,
   \   'lint': v:true,
-  \   'unstable': v:true
+  \   'unstable': v:true,
+  \   'importMap': ''
+  \}
+
+Execute(Should set the default importMap filepath):
+  call ale#test#SetFilename('../test-files/typescript/test.ts')
+
+  AssertLSPOptions {
+  \   'enable': v:true,
+  \   'lint': v:true,
+  \   'unstable': v:false,
+  \   'importMap': ale#path#Simplify(g:dir . '/../test-files/typescript/import_map.json')
+  \}
+
+Execute(Should set the importMap filepath from user defined importMap):
+  let g:ale_deno_importMap = 'custom_import_map.json'
+  call ale#test#SetFilename('../test-files/typescript/test.ts')
+
+  AssertLSPOptions {
+  \   'enable': v:true,
+  \   'lint': v:true,
+  \   'unstable': v:false,
+  \   'importMap': ale#path#Simplify(g:dir . '/../test-files/typescript/custom_import_map.json')
+  \}
+
+Execute(Should set the importMap filepath from user defined importMap with unstable API):
+  let g:ale_deno_importMap = 'custom_import_map.json'
+  let g:ale_deno_unstable = 1
+  call ale#test#SetFilename('../test-files/typescript/test.ts')
+
+  AssertLSPOptions {
+  \   'enable': v:true,
+  \   'lint': v:true,
+  \   'unstable': v:true,
+  \   'importMap': ale#path#Simplify(g:dir . '/../test-files/typescript/custom_import_map.json')
   \}
 
 Execute(Should find project root containing tsconfig.json):
diff --git a/test/test-files/typescript/custom_import_map.json b/test/test-files/typescript/custom_import_map.json
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/test/test-files/typescript/custom_import_map.json
diff --git a/test/test-files/typescript/import_map.json b/test/test-files/typescript/import_map.json
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/test/test-files/typescript/import_map.json
diff --git a/test/test_deno_executable_detection.vader b/test/test_deno_executable_detection.vader
index edd408b1..87690bfe 100644
--- a/test/test_deno_executable_detection.vader
+++ b/test/test_deno_executable_detection.vader
@@ -1,8 +1,9 @@
 Before:
+  Save g:ale_deno_executable
   runtime autoload/ale/handlers/deno.vim
 
 After:
-  unlet! g:ale_deno_executable
+  unlet! b:ale_deno_executable
 
   call ale#linter#Reset()