diff --git a/README.md b/README.md
index 286dfd7..3dabe8d 100644
--- a/README.md
+++ b/README.md
@@ -1,16 +1,19 @@
 # ESBuild Typescript Bunder
 
 ## Supports import maps and runs on Deno Deploy
-Uses the WASM version of ESBuild for use on Deno Deploy and adds some plugins to allow for import maps. Unfortunately, `npm:*` and `jsr:*` specifiers are not supported currently.
+Uses the WASM version of ESBuild for use on Deno Deploy and adds some plugins to allow for import maps. ***Unfortunately, `npm:*` and `jsr:*` specifiers are not supported currently***.
 
 ### Manual Bundle API
 ```typescript
 import Bundle from "./mod.ts";
 Bundle(
-    // ESBuild configuration:
+    // directory to work from
+    "./some_folder",
+
+    // ESBuild configuration (entry points are relative to "directory"):
     {entry:["./app.tsx"]},
 
-    // import map:
+    // import map (if omitted, will scan for a deno configuration within "directory" and use that)
     {"imports": {
         "react": "https://esm.sh/preact@10.22.0/compat",
         "react/": "https://esm.sh/preact@10.22.0/compat/"
diff --git a/introspect.ts b/introspect.ts
index f57f56a..b6c9033 100644
--- a/introspect.ts
+++ b/introspect.ts
@@ -3,8 +3,11 @@ import { parse as JSONC } from "https://deno.land/x/jsonct@v0.1.0/mod.ts";
 type JsonLike = { [key: string]: string | string[] | JsonLike; };
 
 /** A `file://` url version of Deno.cwd() (contains trailing slash) */
-export const Root = new URL(`file://${Deno.cwd().replaceAll("\\", "/")}`).toString() + "/";
-export default async function HuntConfig(directory=Root)
+export const Root:string = new URL(`file://${Deno.cwd().replaceAll("\\", "/")}`).toString() + "/";
+export default async function HuntConfig(directory=Root):Promise<{
+    imports: JsonLike;
+    compilerOptions: JsonLike;
+}>
 {
     let path:string, json:JsonLike|undefined;
     console.log("searchig in directory", directory)
diff --git a/jsapi.test.tsx b/jsapi.test.tsx
new file mode 100644
index 0000000..c3b0571
--- /dev/null
+++ b/jsapi.test.tsx
@@ -0,0 +1,11 @@
+import * as Test from "https://deno.land/std@0.224.0/assert/mod.ts";
+import Bundle, {ESBuild} from "./mod.ts";
+
+
+const path = await import.meta.resolve("./test/");
+const {outputFiles} = await Bundle(path, {entryPoints:["./app.tsx"]});
+
+Deno.test("check", ()=>{
+    Test.assert(outputFiles?.length == 1);
+    Test.assert(outputFiles[0].text.length > 1000);
+})
diff --git a/jsapi.tsx b/jsapi.tsx
deleted file mode 100644
index c534a27..0000000
--- a/jsapi.tsx
+++ /dev/null
@@ -1,12 +0,0 @@
-import Bundle from "./mod.ts";
-import Config from "./test/deno.json" with {type:"json"};
-
-const path = import.meta.resolve("./test/");
-const {outputFiles} = await Bundle(path, {entryPoints:["./app.tsx"]}, Config);
-if(outputFiles)
-{
-    for(const item of outputFiles)
-    {
-        console.log(item.text);
-    }
-}
diff --git a/test/deno.json b/test/deno.json
index 56ee7b3..5368ab6 100644
--- a/test/deno.json
+++ b/test/deno.json
@@ -1,7 +1,7 @@
 {
     "imports": {
-        "react":  "npm:preact@10.22.0/compat",
-        "react/": "npm:preact@10.22.0/compat/"
+        "react":  "https://esm.sh/preact@10.22.0/compat",
+        "react/": "https://esm.sh/preact@10.22.0/compat/"
     },
     "compilerOptions": {
         "jsx": "react-jsx",