1. module a11y
   1. function a11y (url, opts, cb)

module a11y

function a11y (url, opts, cb)

• description and source-code

  (url, opts, cb) => {
      if (typeof opts !== 'object') {
          cb = opts;
          opts = {};
      }
  
      opts = opts || {};
  
      if (typeof cb !== 'function') {
          throw new TypeError('Callback required');
      }
  
      if (!(url && url.length > 0)) {
          throw new Error('Specify at least one URL');
      }
  
      const viewportSize = (opts.viewportSize || '').split('x');
      delete opts.viewportSize;
  
      opts = Object.assign({delay: 1}, opts, {
          url: protocolify(url),
          width: viewportSize[0] || 1024,
          height: viewportSize[1] || 768
      });
  
      execFile(phantomjs.path, [
          path.join(__dirname, 'audits.js'),
          JSON.stringify(opts),
          '--ignore-ssl-errors=true',
          '--ssl-protocol=tlsv1',
          '--local-to-remote-url-access=true'
      ], (err, stdout) => {
          if (err) {
              cb(err);
              return;
          }
  
          cb(null, parseJson(stdout));
      });
  }

• example usage

  n/a