@npio/internals/src/server/prisma.ts

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import { PrismaClient } from "@prisma/client";
import { isAbsolute, join } from "node:path";
import { createGlobal } from "./util";

// Prismas default DATABASE_URL resolution doesnt work nicely with nitro build
// This makes sure that relative urls are resolved to their proper absolute path (based on cwd)
// https://github.com/nuxt/nuxt/issues/22738
// https://github.com/prisma/prisma/issues/2559
const resolveRelativeDatasourceUrl = function (url?: string) {
  const FILE_INDICATOR = "file:";
  if (!url?.startsWith(FILE_INDICATOR)) {
    return url;
  }

  const rawUrl = url.replace(FILE_INDICATOR, "");
  if (isAbsolute(rawUrl)) {
    return rawUrl;
  }

  const newUrl =
    FILE_INDICATOR + join(process.cwd(), "prisma", "schema", rawUrl);
  return newUrl;
};

const createClient = () => {
  const prisma = new PrismaClient({
    // Inspired by: https://github.com/t3-oss/create-t3-app/blob/1e4c2d352e9b42e0f48c98980714c5334bfd06d7/cli/template/extras/src/server/db.ts#L12
    log: import.meta.env?.DEV ? ["query", "error", "warn"] : ["error"],
    datasourceUrl: resolveRelativeDatasourceUrl(process.env["DATABASE_URL"]),
  });
  return prisma;
};

export const [useDatabase, setDatabase] =
  createGlobal<ReturnType<typeof createClient>>("npDatabase");

const initDatabase = () => setDatabase(createClient);
export default initDatabase;

export const connectOrDisconnect = (
  id?: string | null,
  connectOnly = false,
) => {
  if (id) return { connect: { id } };
  if (connectOnly) return;
  return { disconnect: true };
};