Connect Azure Blob NDJSON file and Google Storage CSV file in our serverless environment

class AzureBlobSourceReadRemoteNdjson {
    async init() {
        // TODO: Create your azure blob credential
        // More info at https://yepcode.io/docs/integrations/azure-blob/#credential-configuration
        this.azureBlob = yepcode.integration.azureBlob(
            "your-azure-blob-credential-name"
        );
    }

    async fetch(publish, done) {
        // TODO: customize the container name and blob name to download
        // // More info at https://docs.microsoft.com/en-us/javascript/api/@azure/storage-blob/blobserviceclient?view=azure-node-latest#@azure-storage-blob-blobserviceclient-getcontainerclient
        const containerClient = this.azureBlob.getContainerClient("container-name");
        const blobClient = containerClient.getBlobClient("blob-name");
        const result = await blobClient.download();

        // result.readableStreamBody is a stream of object content

        result.readableStreamBody
            .pipe(ndjson.parse())
            .on("data", async (line) => {
                await publish(line);
            })
            .on("end", done);
    }

    async close() {}
}

class GoogleStorageTargetUploadCsv {
    async init() {
        // TODO: Create your google-storage credential
        // More info at https://yepcode.io/docs/integrations/google-storage/#credential-configuration
        const googleStorage = yepcode.integration.googleStorage(
            "your-google-storage-credential-name"
        );
        // TODO: Customize your bucket name
        const bucket = googleStorage.bucket("your-bucket-name");
        // TODO: choose a destination file
        const blob = bucket.file(`one-folder/my-filename-${Date.now()}.csv`);
        this.ws = blob.createWriteStream({
            metadata: {
                contentType: "text/csv",
            },
        });
        // Transform the items into a csv format
        this.stringifier = csv.stringify({
            delimiter: ",",
        });
        this.stringifier.pipe(this.ws);
    }

    async consume(item) {
        // TODO: Customize csv row content with your item content
        const csvRow = [item.id, item.name];
        this.stringifier.write(csvRow);
    }

    async close() {
        this.stringifier.end();
    }
}