Function generate

packages/migrations-mongodb/src/MigrationGenerator.ts:20–33

* @inheritDoc

(diff: { up: string[]; down: string[] }, path?: string, name?: string)

   * @inheritDoc
   */
  async generate(diff: { up: string[]; down: string[] }, path?: string, name?: string): Promise<[string, string]> {
    const { fs } = await import('@mikro-orm/core/fs-utils');
    /* v8 ignore next */
    const defaultPath = this.options.emit === 'ts' && this.options.pathTs ? this.options.pathTs : this.options.path!;
    path = fs.normalizePath(this.driver.config.get('baseDir'), path ?? defaultPath);
    fs.ensureDir(path);
    const timestamp = new Date().toISOString().replace(/[-T:]|\.\d{3}z$/gi, '');
    const className = this.namingStrategy.classToMigrationName(timestamp, name);
    const fileName = `${this.options.fileName!(timestamp, name)}.${this.options.emit}`;
    const ret = await this.generateMigrationFile(className, diff);
    await fs.writeFile(path + '/' + fileName, ret, { flush: true });

    return [ret, fileName];
  }

  /** @inheritDoc */
  /* v8 ignore next */