a11y-audit-parse.js

/* eslint-disable flowtype/require-valid-file-annotation */
/* eslint-disable import/no-unresolved */
/* eslint-disable global-require */
/* eslint-disable no-console */
try {
  // I disabled flow for this file because of this line.
  // Sometimes the file exists, sometimes it doesn't.
  // It depends on if you have run the accessibility test or not.
  // Given this conditional I thought it best to simply disable flow for the file
  const a11yReport = require('./test-reports/lighthouse/a11y.report.json');
  const a11yScore = a11yReport.categories.accessibility.score;
  const a11yScoreFormatted = `${a11yScore ? a11yScore * 100 : 0}%`;

  console.log('*************************');
  console.log('Lighthouse accessibility score: ', a11yScoreFormatted);
  console.log('*************************');

  if (a11yScore === 1) {
    // success!
    process.exit(0);
  } else {
    // fail build
    console.log(
      '\nNOTE: Lighthouse accessibility audit score must be 100% to pass this build step.\n\n',
    );
    process.exit(1);
  }
} catch (e) {
  console.error(e);
  process.exit(1);
}