dialects.ts

import { mssqlOptions } from "./mssql";
import { mysqlOptions } from "./mysql";
import { postgresOptions } from "./postgres";
import { sqliteOptions } from "./sqlite";
import { DialectOptions } from "./dialect-options";
import { Dialect } from "sequelize";

const dialects: { [name in Dialect]: DialectOptions | null } = {
  db2: null,
  oracle: null,
  snowflake: null,
  mssql: mssqlOptions,
  mysql: mysqlOptions,
  mariadb: mysqlOptions,
  postgres: postgresOptions,
  sqlite: sqliteOptions
};

export function getDialect(dialectName: Dialect) : DialectOptions {
  const result = dialects[dialectName];
  if(!result) {
    throw new Error(`Dialect not available for ${dialectName}`);
  }
  return result as DialectOptions;
}