Connect MongoDB and Supabase NDJSON file in our serverless environment

class MongodbSourceSelect {
    async init() {
        // TODO: Create your mongodb credential
        // More info at https://yepcode.io/docs/integrations/mongodb/#credential-configuration
        this.mongodb = yepcode.integration.mongodb("your-mongodb-credential-name");
        await this.mongodb.connect();
        // TODO: Customize your db and collection names
        const db = this.mongodb.db("your-db-name");
        this.collection = db.collection("your-collection-name");
    }

    async fetch(publish, done) {
        this.collection.find({}).stream().on("data", publish).on("end", done);
    }

    async close() {
        await this.mongodb.close();
    }
}

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

        this.items = [];
    }

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

    async close() {
        try {
            // Transform items to ndjson entries
            const ndjsonFileContent = ndjson.stringify(this.items);
            // TODO: adapt bucket and files management
            // You may check the full API documentation at:
            // Check docs at https://supabase.com/docs/reference/javascript/storage-from-upload
            const {
                data,
                error
            } = await this.supabase.storage
                .from("your-bucket-name")
                .upload(`your-new-file.ndjson`, ndjsonFileContent, {
                    contentType: "text/ndjson",
                });

            if (error) {
                throw error;
            }
        } catch (error) {
            console.error(`Error ending upload`, error);
        }
    }
}