export const findLoaderByRegex = (testRegex: string |  undefined, rules: any[]): number => {
    let index: number = -1

    rules.every((rule, i) => {
      if (rule.test && rule.test.toString() === testRegex || rule.test === testRegex) {
        index = i
        return false
      }
      return true
    })

    if (index === -1) {
      throw new Error('Error in webpack for test ' + testRegex)
    }

    return index
  }