watcher-ts/packages/util/src/index.ts

//
// Copyright 2021 Vulcanize, Inc.
//

import Decimal from 'decimal.js';
import { ValueTransformer } from 'typeorm';

/**
 * Method to wait for specified time.
 * @param time Time to wait in milliseconds
 */
export const wait = async (time: number): Promise<void> => new Promise(resolve => setTimeout(resolve, time));

/**
 * Transformer used by typeorm entity for Decimal type fields
 */
export const decimalTransformer: ValueTransformer = {
  to: (value?: Decimal) => {
    if (value) {
      return value.toString();
    }

    return value;
  },
  from: (value?: string) => {
    if (value) {
      return new Decimal(value);
    }

    return value;
  }
};