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•Created by adam boukhris on 1/4/2025 in #help-and-questions

Sveltekit not receiving real-time data

Hello devs , i was trying to add real time events in my sveltekit app and with the release of prisma pulse and prisma postgreSQL so i added these features to my app but i had problem with prisma pulse , when i create a new DB i receive events when a change happens only in a short period of time and it stops working and i'm not having any error , in my pluse dashboard it says Replication slot status Unavailable idk if it means something , and this is my code , it will be nice of you if you take a look maybe i was doing things not in the right way

//api/+server.js
import { prisma } from "$lib/index.js";

export async function GET({ request }) {
  const stream = new ReadableStream({
    async start(controller) {
      async function main() {
        try {
          const prismaStream = await prisma.links.stream();

          for await (const event of prismaStream) {
            console.log("Received event:", event);
            controller.enqueue(`data: ${JSON.stringify(event)}\n\n`);
          }
        } catch (error) {
          console.error("Error in Prisma stream:", error);
          controller.error(error);
        }
      }

      main();
    },
    cancel() {
      console.log("Stream cancelled");
    },
  });

  return new Response(stream, {
    headers: {
      "Content-Type": "text/event-stream",
      "Cache-Control": "no-cache",
      Connection: "keep-alive",
      "Access-Control-Allow-Origin": "*",
    },
  });
}

//api/+server.js
import { prisma } from "$lib/index.js";

export async function GET({ request }) {
  const stream = new ReadableStream({
    async start(controller) {
      async function main() {
        try {
          const prismaStream = await prisma.links.stream();

          for await (const event of prismaStream) {
            console.log("Received event:", event);
            controller.enqueue(`data: ${JSON.stringify(event)}\n\n`);
          }
        } catch (error) {
          console.error("Error in Prisma stream:", error);
          controller.error(error);
        }
      }

      main();
    },
    cancel() {
      console.log("Stream cancelled");
    },
  });

  return new Response(stream, {
    headers: {
      "Content-Type": "text/event-stream",
      "Cache-Control": "no-cache",
      Connection: "keep-alive",
      "Access-Control-Allow-Origin": "*",
    },
  });
}

// lib/index.js
import { PrismaClient } from "@prisma/client";
import { withPulse } from "@prisma/extension-pulse";
import { PULSE_API_KEY } from "$env/static/private";

if (!PULSE_API_KEY) {
  throw new Error("PULSE_API_KEY environment variable is not set");
}

const prisma = new PrismaClient().$extends(
  withPulse({
    apiKey: PULSE_API_KEY,
    // Add retry options for better reliability
    retry: {
      maxRetries: 3,
      initialDelay: 1000, // 1 second
    },
  })
);

export { prisma };

// lib/index.js
import { PrismaClient } from "@prisma/client";
import { withPulse } from "@prisma/extension-pulse";
import { PULSE_API_KEY } from "$env/static/private";

if (!PULSE_API_KEY) {
  throw new Error("PULSE_API_KEY environment variable is not set");
}

const prisma = new PrismaClient().$extends(
  withPulse({
    apiKey: PULSE_API_KEY,
    // Add retry options for better reliability
    retry: {
      maxRetries: 3,
      initialDelay: 1000, // 1 second
    },
  })
);

export { prisma };

3 replies

PPrisma

•Created by adam boukhris on 6/8/2024 in #help-and-questions

problem when deploying prisma

hello guys , i just completed my portfolio and i'm trying to deploy my app to vercel but i'm always having this error

You can mark the path "mock-aws-s3" as external to exclude it from the bundle, which will remove this error and leave the unresolved path in the bundle. You can also surround this "require" call with a try/catch block to handle this failure at run-time instead of bundle-time.

, the problem is i never used the path that he is talking about , i started getting the error when i added prisma to my code , any idea how to solve it ?

8 replies

PPrisma

•Created by adam boukhris on 6/7/2024 in #help-and-questions

problem when deploying

hello guys , i just completed my portfolio and i'm trying to deploy my app to vercel but i'm always having this error

You can mark the path "mock-aws-s3" as external to exclude it from the bundle, which will remove this error and leave the unresolved path in the bundle. You can also surround this "require" call with a try/catch block to handle this failure at run-time instead of bundle-time.

, the problem is i never used the path that he is talking about , i started getting the error when i added prisma to my code , any idea how to solve it ?

2 replies

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