refactor(cli): move get_linter_options_from_language

I want to use get_linter_options_from_language in the LSP server. Move
it out of cli/.

Author: strager

src/quick-lint-js/cli/main.cpp

@@ -193,8 +193,6 @@ void init();
 [[noreturn]] void run(int argc, char **argv);
 [[noreturn]] void run(Options o);
 
-Linter_Options get_linter_options_from_language(File_Language);
-
 void list_debug_apps();
 void run_lsp_server();
 
@@ -319,34 +317,6 @@ void run(Options o) {
   std::exit(EXIT_SUCCESS);
 }
 
-Linter_Options get_linter_options_from_language(File_Language language) {
-  Linter_Options o;
-  switch (language) {
-  case File_Language::javascript:
-    o.jsx = false;
-    o.typescript = false;
-    break;
-  case File_Language::javascript_jsx:
-    o.jsx = true;
-    o.typescript = false;
-    break;
-  case File_Language::typescript:
-    o.jsx = false;
-    o.typescript = true;
-    break;
-  case File_Language::typescript_definition:
-    o.jsx = false;
-    o.typescript = true;
-    o.typescript_definition = true;
-    break;
-  case File_Language::typescript_jsx:
-    o.jsx = true;
-    o.typescript = true;
-    break;
-  }
-  return o;
-}
-
 void list_debug_apps() {
   Monotonic_Allocator temporary_allocator("list_debug_apps");
 

src/quick-lint-js/fe/linter.cpp

@@ -23,6 +23,34 @@ bool operator!=(Linter_Options lhs, Linter_Options rhs) {
   return !(lhs == rhs);
 }
 
+Linter_Options get_linter_options_from_language(File_Language language) {
+  Linter_Options o;
+  switch (language) {
+  case File_Language::javascript:
+    o.jsx = false;
+    o.typescript = false;
+    break;
+  case File_Language::javascript_jsx:
+    o.jsx = true;
+    o.typescript = false;
+    break;
+  case File_Language::typescript:
+    o.jsx = false;
+    o.typescript = true;
+    break;
+  case File_Language::typescript_definition:
+    o.jsx = false;
+    o.typescript = true;
+    o.typescript_definition = true;
+    break;
+  case File_Language::typescript_jsx:
+    o.jsx = true;
+    o.typescript = true;
+    break;
+  }
+  return o;
+}
+
 void parse_and_lint(Padded_String_View code, Diag_Reporter& reporter,
                     const Global_Declared_Variable_Set& globals,
                     Linter_Options options) {

src/quick-lint-js/fe/linter.h

@@ -3,6 +3,8 @@
 
 #pragma once
 
+#include <quick-lint-js/fe/language.h>
+
 namespace quick_lint_js {
 class Diag_Reporter;
 class Global_Declared_Variable_Set;
@@ -29,6 +31,8 @@ struct Linter_Options {
   friend bool operator!=(Linter_Options, Linter_Options);
 };
 
+Linter_Options get_linter_options_from_language(File_Language);
+
 void parse_and_lint(Padded_String_View code, Diag_Reporter&,
                     const Global_Declared_Variable_Set&, Linter_Options);
 }