axe-pro-earl

#!/usr/bin/env node

const fs = require('fs')
const path = require('path')
const yargs = require('yargs')
const globby = require('globby')
const groupResultsByRule = require('./src/group-results-by-rule')
const toEarlReport = require('./src/to-earl-report')
const loadJson = require('./src/load-json')

const inputDefault = './axe-pro-exports/**/*.json'

const argv = yargs.usage('Usage: $0 -input reports/**.json --output earl-report.json')
  .option('input', {
    alias: 'i',
    default: inputDefault,
    array: true
  })
  .option('outDir', {
    alias: 'o',
    default: './reports/'
  })
  .option('testcases', {
    alias: 't',
    default: 'https://act-rules.github.io/testcases.json'
  })
  .help('help')
  .alias('help', 'h')
  .alias('version', 'v')
  .argv;

// Little work-around so that the default shows up as a globby, instead of listing out
//  each JSON file individually
if (argv.input.length === 1 && argv.input[0] === inputDefault) {
  argv.input = globby.sync(inputDefault)
}

async function main ({ input, outDir, testcases }) {
  const testCasesJson = await loadJson(testcases)

  // Ensure the output dir exists
  const resolvedOutDir = path.resolve(outDir)
  if (!fs.existsSync(resolvedOutDir)) {
    fs.mkdirSync(resolvedOutDir)
  }

  // Group results by rule, so that we can figure out what rules ran
  const ruleResultSets = groupResultsByRule(input, testCasesJson)

  // Loop over each rule
  Object.entries(ruleResultSets).forEach(([ruleId, ruleResults]) => {
    const earlReport = toEarlReport(ruleResults)
    const reportPath = path.resolve(resolvedOutDir, `${ruleId}-earl-report.json`)
    const reportString = JSON.stringify(earlReport, null, 2)

    // Save the report
    fs.writeFileSync(reportPath, reportString, 'utf8')
    console.log(`Created '${reportPath}'`)
  })
}

main(argv).catch(err => {
  console.error(err)
  process.exit(1)
})