Downloader

OS-agnostic API for downloading files asynchronously.

Permission

system permission is required.

my-plugin.json

{
    //...
    "plugin": {
        "permissions": {
            "scopes": ["system"],
            "allow": {
                "writePaths": ["$DOWNLOAD/**/*"]
            }
        }
    }
}

//...

// Destination file
// Note that $DOWNLOAD is in the allow list
const filePath = $filepath.Join($os.downloadDir(), "file.zip")

// Start a download
const downloadID = ctx.downloader.download(downloadUrl, filePath);

// Track progress
const cancelWatch = ctx.downloader.watch(downloadID, (progress) => {
	console.log("Download progress:", 
		progress.percentage.toFixed(2), "%, ", 
		"Speed:", (progress.speed / 1024).toFixed(2), "KB/s, ",
		"Downloaded:", (progress.totalBytes / 1024).toFixed(2), "KB"
	);
	
	if (progress.status === "completed") {
		// download completed
	} else if (progress.status === "error") {
		// oops!
	}
});

// Cancel
ctx.downloader.cancel(downloadID)