@bodyam8/core/src/objection/utils.ts

most useful backend tools

import {ShardedConnectionConfig} from './connection';
import {AbstractShardedModel} from './AbstractShardedModel';
import {Knex, knex} from 'knex';

// eslint-disable-next-line @typescript-eslint/ban-types
function createClassInheritor(className: string): Function {
    return new Function(
        'BaseClass',
        `
    'use strict';
    return class ${className} extends BaseClass {}
  `);
}

export const createDynamicModel = <T extends typeof AbstractShardedModel>(proto: T, tableName: string, connection: Knex): T => {
    const inheritor = createClassInheritor(proto.name);
    const model = inheritor(proto);
    model['assignedTableName'] = tableName;
    model.knex(connection);
    return model;
}