Connect Airtable and Azure Blob NDJSON file in our serverless environment

class AirtableSourceListRecords {
    async init() {
        // TODO: Create your airtable credential
        // More info at https://yepcode.io/docs/integrations/airtable/#credential-configuration
        this.airtableClient = yepcode.integration.airtable(
            "your-airtable-credential-name"
        );

        // TODO: Customize your base id and table id
        // More info at https://support.airtable.com/docs/understanding-airtable-ids
        this.table = this.airtableClient
            .base("your-base-id")
            .table("your-table-id");
    }

    async fetch(publish, done) {
        await this.table
            .select({
                // TODO: Provide optional parameters
                // Airtable creates a dynamic docs page for each base
                // Visit yours at https://airtable.com/{your-base-id}/api/docs
                maxRecords: 30,
            })
            .eachPage(async (records, fetchNextPage) => {
                for (const record of records) {
                    const {
                        id,
                        fields
                    } = record._rawJson;

                    // TODO: Customize record columns mapping to the item that will be published
                    const item = {
                        id,
                        name: fields.name
                    };

                    await publish(item);
                }
                fetchNextPage();
            }, done);
    }

    async close() {}
}

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

        // TODO: customize the container name and blob name to upload
        // // 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 = azureBlob.getContainerClient("container-name");
        const blockBlobClient = containerClient.getBlockBlobClient("blob-name");

        // Transforms the items into a ndjson format
        this.stringifier = ndjson.stringify();
        this.upload = blockBlobClient.uploadStream(this.stringifier);

    }

    async consume(item) {
        this.stringifier.write(item);
    }

    async close() {
        try {
            this.stringifier.end();
        } catch (error) {
            console.error(`Error ending stringifier`, error);
        }
        try {
            await this.upload;
        } catch (error) {
            console.error(`Error ending upload`, error);
        }
    }
}