Fix behavior for extensionless files with .mime file (#1779)

.gitignore

@@ -9,6 +9,7 @@ yarn.lock
 node_modules
 # editor files
 .idea
+.vscode
 # export dir for gh-pages
 /gh-pages
 # temp benchmark data

js/compiler.ts

@@ -162,6 +162,7 @@ class Compiler implements ts.LanguageServiceHost, ts.FormatDiagnosticsHost {
   // arguments
   private readonly _options: ts.CompilerOptions = {
     allowJs: true,
+    allowNonTsExtensions: true,
     checkJs: true,
     esModuleInterop: true,
     module: ts.ModuleKind.ESNext,

rollup.config.js

@@ -266,11 +266,12 @@ export default function makeConfig(commandOptions) {
             "createLanguageService",
             "formatDiagnostics",
             "formatDiagnosticsWithColorAndContext",
+            "version",
+            "Extension",
             "ModuleKind",
             "ScriptKind",
             "ScriptSnapshot",
-            "ScriptTarget",
-            "version"
+            "ScriptTarget"
           ]
         }
       }),

tests/023_no_ext_with_mime

@@ -0,0 +1 @@
+console.log("HELLO");

tests/023_no_ext_with_mime.mime

@@ -0,0 +1 @@
+application/javascript

tests/023_no_ext_with_mime.out

@@ -0,0 +1 @@
+HELLO

tests/023_no_ext_with_mime.test

@@ -0,0 +1,2 @@
+args: tests/023_no_ext_with_mime --reload --recompile
+output: tests/023_no_ext_with_mime.out

tests/024_import_no_ext_with_mime.test

@@ -0,0 +1,2 @@
+args: tests/024_import_no_ext_with_mime.ts --reload --recompile
+output: tests/024_import_no_ext_with_mime.ts.out

tests/024_import_no_ext_with_mime.ts

@@ -0,0 +1 @@
+import "./023_no_ext_with_mime";

tests/024_import_no_ext_with_mime.ts.out

@@ -0,0 +1 @@
+HELLO