metaltest/reporter/errorreporter.js

import chalk from 'chalk'

const log = (...args) => process.stdout.write(...args)

const errorreporter = () => {
  const report = {
    end: (stats) => {
      const { testFail } = stats

      for (const test of testFail) {
        log('\n' + chalk.redBright(test.name) + '\n')
        prettyError(test.error)
      }
    }
  }

  return report
}

import { stackParser } from '../lib/stackparser.js'
const prettyError = (error) => {
  if (typeof error == 'string') {
    log(chalk.yellowBright(error))
    log('\n')
    return
  }

  const stack = stackParser(error.stack)
  log(chalk.yellowBright(stack.title) + '\n')

  if (stack.diff != '')
    log(chalk.white(stack.diff) + '\n')

  if (stack.where != '')
    log(chalk.gray(stack.where) + '\n')
}

export { errorreporter }