objection/src/queryBuilder/operations/KnexOperation.js

An SQL-friendly ORM for Node.js

import WrappingQueryBuilderOperation from './WrappingQueryBuilderOperation';

export default class KnexOperation extends WrappingQueryBuilderOperation {

  onBuild(builder) {
    if (typeof builder[this.name] === 'function') {
      builder[this.name].apply(builder, this.args);
    } else {
      throw new Error(`knex doesn't have the method '${this.name}'`);
    }
  }
}