@thenja/html-parser/scripts/update-readme-with-shield-badge.js

A simple forgiving html parser

/* **************
The only purpose of this script is to be used by the npm test script to 
write the shield badge within the README.md file
************** */ 

var fs = require('fs');
var path = require('path');
var istanbul = require('istanbul');
var collector = new istanbul.Collector();
var Report = istanbul.Report;
var shieldBadgeReporter = require('istanbul-reporter-shield-badge');

istanbul.Report.register(shieldBadgeReporter);
var report = Report.create('shield-badge', {
  readmeFilename: 'README.md',
  readmeDir: path.resolve(__dirname, '../'),
  subject: 'Test Coverage',
  range: [70, 90]
});

try {
  var coverageDir = path.resolve(__dirname, '../', 'coverage');
  fs.readdirSync(coverageDir).forEach(function (file) {
    if (file.indexOf('cov') === 0 && file.indexOf('.json') > 0) {
      collector.add(JSON.parse(fs.readFileSync(
        path.resolve(coverageDir, file), 'utf8')));
    }
  });
  report.on('done', function () { 
    console.log('The istanbul shield badge report has been generated')
  });
  report.writeReport(collector, true);
} catch (err) {
  console.error(err.message);
  process.exit(1);
}