ormconfig.ts

import { DefaultNamingStrategy } from 'typeorm/naming-strategy/DefaultNamingStrategy';
import { NamingStrategyInterface } from 'typeorm/naming-strategy/NamingStrategyInterface';
import { snakeCase } from 'typeorm/util/StringUtils';
import { config } from './config';

export class CustomNamingStrategy
  extends DefaultNamingStrategy
  implements NamingStrategyInterface
{
  tableName(targetName: string, userSpecifiedName: string): string {
    return userSpecifiedName ? userSpecifiedName : snakeCase(targetName) + 's';
  }

  columnName(
    propertyName: string,
    customName: string,
    embeddedPrefixes: string[],
  ): string {
    return snakeCase(
      embeddedPrefixes.concat(customName ? customName : propertyName).join('_'),
    );
  }

  columnNameCustomized(customName: string): string {
    return customName;
  }

  relationName(propertyName: string): string {
    return snakeCase(propertyName);
  }
}

export const SOURCE_PATH = config.ENV === 'production' ? 'dist/src' : 'src';

export const options = {
  type: config.PROJECTION_DB_SETTINGS.type,
  host: config.PROJECTION_DB_SETTINGS.hostname,
  port: config.PROJECTION_DB_SETTINGS.port,
  username: config.PROJECTION_DB_SETTINGS.credentials.username,
  password: config.PROJECTION_DB_SETTINGS.credentials.password,
  database: config.PROJECTION_DB_SETTINGS.database,
  migrationsTableName: 'migration',
  entities: [`${SOURCE_PATH}/**/*.entity{.ts,.js}`],
  migrations: [`${SOURCE_PATH}/migrations/*{.ts,.js}`],
  namingStrategy: new CustomNamingStrategy(),
  synchronize: false,
  logging: false,
  ssl: config.ENV === 'production' && {
    rejectUnauthorized: false,
  },
  cli: {
    migrationsDir: 'src/migrations',
  },
};