feat: add initial upload method

package.json

@@ -22,7 +22,7 @@
     },
     "dependencies": {
         "@lumeweb/community-portals": "^0.1.0-develop.2",
-        "@lumeweb/libportal": "0.2.0-develop.8",
+        "@lumeweb/libportal": "^0.2.0-develop.10",
         "@lumeweb/node-library-preset": "git+https://git.lumeweb.com/LumeWeb/node-library-preset.git",
         "@noble/curves": "^1.1.0",
         "@noble/hashes": "^1.3.1"

src/err.ts

@@ -1,4 +1,5 @@
 import { objAsString } from "./objAsString.js";
+import { ErrTuple } from "#types.js";
 
 // addContextToErr is a helper function that standardizes the formatting of
 // adding context to an error.
@@ -14,3 +15,5 @@ function addContextToErr(err: any, context: string): string {
 }
 
 export { addContextToErr };
+
+export const NO_PORTALS_ERROR = [null, "no active portals"] as ErrTuple;

src/index.ts

@@ -11,5 +11,6 @@ export * from "./cid.js";
 export * from "./encoding.js";
 export * from "./keys.js";
 export * from "./download.js";
+export * from "./upload.js";
 export * from "./portal.js";
 export { ed25519, sha512 };

src/upload.ts

@@ -0,0 +1,39 @@
+import { ErrTuple } from "#types.js";
+import { getActivePortals } from "#portal.js";
+import { NO_PORTALS_ERROR } from "#err.js";
+
+export async function uploadObject(
+  file:
+    | ReadableStream<Uint8Array>
+    | import("stream").Readable
+    | Uint8Array
+    | Blob,
+  size?: bigint,
+): Promise<ErrTuple> {
+  const activePortals = getActivePortals();
+
+  if (!activePortals.length) {
+    return NO_PORTALS_ERROR;
+  }
+
+  for (const portal of activePortals) {
+    if (!(await portal.isLoggedIn())) {
+      try {
+        await portal.register();
+      } catch {}
+
+      await portal.login();
+    }
+
+    let upload;
+    try {
+      upload = await portal.uploadFile(file as any, size);
+    } catch {
+      continue;
+    }
+
+    return [upload, null];
+  }
+
+  return NO_PORTALS_ERROR;
+}