Fixes #107

plugos/asset_bundle/bundle.ts

@@ -57,6 +57,8 @@ export class AssetBundle {
   }
 
   writeFileSync(path: string, data: Uint8Array) {
+    // Replace \ with / for windows
+    path = path.replaceAll("\\", "/");
     const mimeType = mime.getType(path) || "application/octet-stream";
     this.bundle[path] = base64EncodedDataUrl(mimeType, data);
   }

plugos/bin/plugos-bundle.ts

@@ -76,11 +76,13 @@ export async function bundle(
       continue;
     }
     let jsFunctionName = "default",
-      filePath = path.join(rootPath, def.path);
+      filePath: string = def.path;
     if (filePath.indexOf(":") !== -1) {
       [filePath, jsFunctionName] = filePath.split(":");
     }
-
+    // Resolve path
+    filePath = path.join(rootPath, filePath);
+    
     def.code = await compile(
       filePath,
       jsFunctionName,

plugos/compile.ts

@@ -49,8 +49,9 @@ export async function compile(
     inFile = await Deno.makeTempFile({ suffix: ".ts" });
     await Deno.writeTextFile(
       inFile,
-      `import {${functionName}} from "${
-        path.resolve(filePath)
+      `import {${functionName}} from "file://${
+        // Replacaing \ with / for Windows
+        path.resolve(filePath).replaceAll("\\", "\\\\")
       }";export default ${functionName};`,
     );
   }

plugos/runtime.test.ts

@@ -130,10 +130,12 @@ Deno.test("Run a deno sandbox", async () => {
 
 import { bundle as plugOsBundle } from "./bin/plugos-bundle.ts";
 import { esbuild } from "./compile.ts";
+import { urlToPathname } from "./util.ts";
 
-const __dirname = new URL(".", import.meta.url).pathname;
+const __dirname = urlToPathname(new URL(".", import.meta.url));
 
 Deno.test("Preload dependencies", async () => {
+  
   const globalModules = await plugOsBundle(
     `${__dirname}../plugs/global.plug.yaml`,
   );

plugos/syscalls/fs.deno.test.ts

@@ -2,11 +2,12 @@ import { assert } from "../../test_deps.ts";
 import { FileMeta } from "../../common/types.ts";
 import { path } from "../deps.ts";
 import fileSystemSyscalls from "./fs.deno.ts";
+import { urlToPathname } from "../util.ts";
 
 const fakeCtx = {} as any;
 
 Deno.test("Test FS operations", async () => {
-  const thisFolder = path.dirname(new URL(import.meta.url).pathname);
+  const thisFolder = path.resolve(path.dirname(urlToPathname(new URL(import.meta.url))));
   const syscalls = fileSystemSyscalls(thisFolder);
   const allFiles: FileMeta[] = await syscalls["fs.listFiles"](
     fakeCtx,

plugos/util.ts

@@ -5,3 +5,8 @@ export function safeRun(fn: () => Promise<void>) {
     // throw e;
   });
 }
+
+export function urlToPathname(url: URL) {
+  // For Windows, remove prefix /
+  return url.pathname.replace(/^\/(\w:)/, "$1");
+}