nuxt-users/dist/runtime/server/utils/db.js

A comprehensive user management module for Nuxt 3 and Nuxt 4 applications with authentication, authorization, database support, and CLI tools

import { createDatabase } from "db0";
import { isBuildTime } from "./build-time.js";
const dbCache = /* @__PURE__ */ new Map();
export const closeAllDbConnections = async () => {
  for (const db of dbCache.values()) {
    if (db && typeof db.disconnect === "function") {
      await db.disconnect();
    }
  }
  dbCache.clear();
};
export const getConnector = async (name) => {
  try {
    switch (name) {
      case "mysql":
        return (await import("db0/connectors/mysql2")).default;
      case "postgresql":
        return (await import("db0/connectors/postgresql")).default;
      case "sqlite":
        return (await import("db0/connectors/better-sqlite3")).default;
      default:
        throw new Error(`Unsupported database connector: ${name}`);
    }
  } catch (error) {
    if (error instanceof Error && error.message.includes("Cannot resolve")) {
      throw new Error(`Database connector "${name}" not found. Please install the required peer dependency:
- For sqlite: yarn add better-sqlite3
- For mysql: yarn add mysql2
- For postgresql: yarn add pg`);
    }
    throw error;
  }
};
export const useDb = async (options) => {
  if (isBuildTime()) {
    throw new Error("[Nuxt Users] Database connections are not available during build/prerendering phase. This should not happen - please check your prerender configuration.");
  }
  const cacheKey = JSON.stringify(options.connector);
  if (dbCache.has(cacheKey)) {
    return dbCache.get(cacheKey);
  }
  const connectorName = options.connector.name;
  const connector = await getConnector(connectorName);
  const connectorOptions = { ...options.connector.options };
  if (connectorName !== "sqlite") {
    delete connectorOptions.path;
  }
  try {
    const db = createDatabase(connector(connectorOptions));
    dbCache.set(cacheKey, db);
    return db;
  } catch (error) {
    console.warn(`[Nuxt Users] \u26A0\uFE0F  Failed to connect to ${connectorName} database:`, error instanceof Error ? error.message : "Unknown error");
    throw error;
  }
};
export const checkTableExists = async (options, tableName) => {
  try {
    const db = await useDb(options);
    await db.sql`SELECT 1 FROM {${tableName}} LIMIT 1`;
    return true;
  } catch {
    return false;
  }
};