@prantlf/faucet/bin/cmd.js

Human-readable TAP reporter/formatter.

#!/usr/bin/env node

const faucet = require('../')
const minimist = require('minimist')
const defined = require('defined')

const argv = minimist(process.argv.slice(2))
const tap = faucet({
  verbose: defined(argv.v, argv.verbose, false),
  width: defined(argv.w, argv.width, process.stdout.isTTY
    ? process.stdout.columns - 5
    : 0
  )
})
process.on('exit', code => {
  if (code === 0 && tap.exitCode !== 0) {
    process.exit(tap.exitCode)
  }
})
process.stdout.on('error', () => {})

if (!process.stdin.isTTY || argv._[0] === '-') {
  process.stdin.pipe(tap).pipe(process.stdout)
  return
}

const { dirname, join } = require('path')
const tapeCmd = join(dirname(require.resolve('tape')), 'bin/tape')

const { spawn } = require('child_process')
const { existsSync, readdirSync, statSync } = require('fs')

const files = argv._.reduce((acc, file) => {
  if (statSync(file).isDirectory()) {
    return acc.concat(readdirSync(file).map(x => join(file, x)).filter(jsFile))
  } else return acc.concat(file)
}, [])

if (files.length === 0 && existsSync('test')) {
  files.push.apply(files, readdirSync('test').map(x => join('test', x)).filter(jsFile))
}
if (files.length === 0 && existsSync('tests')) {
  files.push.apply(files, readdirSync('tests').map(x => join('tests', x)).filter(jsFile))
}

if (files.length === 0) {
  console.error('usage: `faucet [-v|--verbose] [-w|--width=<number>] [FILES]`\n    or `| faucet [-v|--verbose] [-w|--width=<number>]`\n')
  console.error(
    'No test files or stdin provided and no files in test/ or tests/' +
        ' directories found.'
  )
  process.exit(1)
}

const tape = spawn(tapeCmd, files)
tape.stderr.pipe(process.stderr)
tape.stdout.pipe(tap).pipe(process.stdout)

let tapeCode
tape.on('exit', code => tapeCode = code)
process.on('exit', code => {
  if (code === 0 && tapeCode !== 0) {
    console.error('# non-zero exit from the `tape` command')
    process.exit(tapeCode)
  }
})

function jsFile (x) {
  return /\.js$/i.test(x)
}