gulp_tasks/checkstyle.js

/*eslint-env node */
/*global require: true, module: true */

'use strict';

var options = require('../gulp-options.js'), gulp = require('gulp'),
    clean = require('gulp-clean'), eslint = require('gulp-eslint');

var runSequence = require('run-sequence'), fs = require('fs');

gulp.task('checkstyle:clean', function() {
  return gulp
      .src(
          [options.targetFolderPath + '/eslint-report-checkstyle.xml'],
          {'read': false})
      .pipe(clean({'force': true}));
});

gulp.task('checkstyle:eslint', function() {
  return gulp.src([options.srcFolderPath + '/**/*.js', options.excludePath])
      .pipe(eslint({'useEslintrc': true}))
      .pipe(eslint.format('checkstyle', function(output) {
        fs.writeFileSync(
            options.targetFolderPath + '/eslint-report-checkstyle.xml', output);
      }));
});

module.exports = function(callback) {
  return runSequence('checkstyle:clean', 'checkstyle:eslint', callback);
};