text: #!/usr/bin/env node
  
  /*!
   * Script to run vnu-jar if Java is available.
   * Copyright 2017-2020 The Bootstrap Authors
   * Copyright 2017-2020 Twitter, Inc.
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   */
  
  'use strict'
  
  const childProcess = require('child_process')
  const vnu = require('vnu-jar')
  
  childProcess.exec('java -version', (error, stdout, stderr) => {
    if (error) {
      console.error('Skipping vnu-jar test; Java is missing.')
      return
    }
  
    const is32bitJava = !/64-Bit/.test(stderr)
  
    // vnu-jar accepts multiple ignores joined with a `|`.
    // Also note that the ignores are regular expressions.
    const ignores = [
      // "autocomplete" is included in <button> and checkboxes and radio <input>s due to
      // Firefox's non-standard autocomplete behavior - see https://bugzilla.mozilla.org/show_bug.cgi?id=654072
      'Attribute “autocomplete” is only allowed when the input type is.*'
    ].join('|')
  
    const args = [
      '-jar',
      vnu,
      '--asciiquotes',
      '--skip-non-html',
      // Ignore the language code warnings
      '--no-langdetect',
      '--Werror',
      `--filterpattern "${ignores}"`,
      './*.html',
      'docs_html/',
      'pages/'
    ]
  
    // For the 32-bit Java we need to pass `-Xss512k`
    if (is32bitJava) {
      args.splice(0, 0, '-Xss512k')
    }
  
    return childProcess.spawn('java', args, {
      shell: true,
      stdio: 'inherit'
    })
      .on('exit', process.exit)
  })
  