Create DataBlobUrls.js

thunderbird · Dec 6, 2023 · 8ca89ff · 8ca89ff
1 parent b3dff71
commit 8ca89ff
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/includes/DataBlobUrls.js b/includes/DataBlobUrls.js
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+const image = await fetch("https://raw.githubusercontent.com/thunderbird/sample-extensions/master/hello-world/images/internet.png")
+const imageBlob = await image.blob();
+
+// Retrieve a data: url.
+const dataUrl = await new Promise(resolve => {
+  var reader = new FileReader();
+  reader.onload = (e) => resolve(e.target.result);
+  reader.readAsDataURL(imageBlob);
+})
+
+// Retrieve a blob: url.
+const blobUrl = URL.createObjectURL(imageBlob);