Allow importing of the compiled in typescript

Fixes denoland#18.

Makefile

@@ -39,7 +39,7 @@ deno: msg.pb.go $(GO_FILES)
 	go build -o deno ./cmd
 
 assets.go: dist/main.js
-	cp node_modules/typescript/lib/lib.*d.ts dist/
+	cp node_modules/typescript/lib/*d.ts dist/
 	cp deno.d.ts dist/
 	go-bindata -pkg deno -o assets.go dist/
 

runtime.ts

@@ -130,6 +130,8 @@ export function makeDefine(fileName: string): AmdDefine {
         return localRequire;
       } else if (dep === "exports") {
         return localExports;
+      } else if (dep === "typescript") {
+        return ts;
       } else if (dep === "deno") {
         return deno;
       } else {
@@ -310,6 +312,8 @@ class TypeScriptHost implements ts.LanguageServiceHost {
       let resolvedFileName;
       if (name === "deno") {
         resolvedFileName = resolveModuleName("deno.d.ts", "/$asset$/");
+      } else if (name === "typescript") {
+        resolvedFileName = resolveModuleName("typescript.d.ts", "/$asset$/");
       } else {
         resolvedFileName = resolveModuleName(name, containingFile);
       }

testdata/import_typescript.ts

@@ -0,0 +1,3 @@
+import * as ts from "typescript";
+
+console.log("typescript version", ts.version);

testdata/import_typescript.ts.out

@@ -0,0 +1 @@
+typescript version 2.8.3