move Blob import to global scope of package

LIT-Protocol · Oct 3, 2023 · 3f940f6 · 3f940f6
1 parent 9007be1
commit 3f940f6
Showing 1 changed file with 19 additions and 14 deletions.
diff --git a/packages/crypto/src/lib/crypto.ts b/packages/crypto/src/lib/crypto.ts
@@ -60,6 +60,18 @@ if (!globalThis.wasmECDSA) {
     }
   });
 }
+
+if (isNode()) {
+  try {
+    let { Blob } = import('node:buffer').then((module) => {
+      globalThis.Blob = module.Blob;
+    });
+  } catch (e) {
+    log(
+      'Warn: could not resolve Blob from node api set, perhaps polyfil a Blob implementation of your choice'
+    );
+  }
+}
 /** ---------- Exports ---------- */
 
 /**
@@ -101,20 +113,13 @@ export const encryptWithSymmetricKey = async (
     symmKey,
     data
   );
-  if (isNode()) {
-    let { Blob } = await import("node:buffer");
-    const encryptedZipBlob = new Blob([iv, new Uint8Array(encryptedZipData)], {
-      type: 'application/octet-stream',
-    });
-
-    return encryptedZipBlob; 
-  } else {
-    const encryptedZipBlob = new Blob([iv, new Uint8Array(encryptedZipData)], {
-      type: 'application/octet-stream',
-    });
-
-    return encryptedZipBlob;
-  }
+
+  let { Blob } = await import('node:buffer');
+  const encryptedZipBlob = new Blob([iv, new Uint8Array(encryptedZipData)], {
+    type: 'application/octet-stream',
+  });
+
+  return encryptedZipBlob;
 };
 
 /**