Connect Airtable and Amazon S3 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 AwsS3TargetUploadNdjson {
    async init() {
        // TODO: Create your aws-s3 credential
        // More info at https://yepcode.io/docs/integrations/aws-s3/#credential-configuration
        const awsS3 = yepcode.integration.awsS3("your-aws-s3-credential-name");
        // Transforms the items into a ndjson format
        this.stringifier = ndjson.stringify();
        const targetStream = new PassThrough();
        this.stringifier.pipe(targetStream);
        // TODO: customize the Upload content
        // More info at: https://docs.aws.amazon.com/AWSJavaScriptSDK/v3/latest/interfaces/_aws_sdk_lib_storage.options-1.html
        const upload = new Upload({
            client: awsS3,
            params: {
                Bucket: "your-bucket-name",
                Key: "your-file-name.ndjson",
                Body: targetStream,
            },
        });
        upload.on("httpUploadProgress", (progress) => {
            console.log(`Upload progress`, progress);
        });
        this.uploadPromise = upload.done();
    }

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

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