gulpfile.js

'use strict';

var gulp = require('gulp');
var eslint = require('gulp-eslint');
var excludeGitignore = require('gulp-exclude-gitignore');
var mocha = require('gulp-mocha');
var istanbul = require('gulp-istanbul');
var nsp = require('gulp-nsp');
var plumber = require('gulp-plumber');
var bump = require('gulp-bump');
var git = require('gulp-git');

gulp.task('static', function () {
  return gulp.src('**/*.js')
    .pipe(excludeGitignore())
    .pipe(eslint())
    .pipe(eslint.format())
    .pipe(eslint.failAfterError());
});

gulp.task('nsp', function (cb) {
  nsp('package.json', cb);
});

gulp.task('pre-test', function () {
  return gulp.src('lib/**/*.js')
    .pipe(istanbul({
      includeUntested: true
    }))
    .pipe(istanbul.hookRequire());
});

gulp.task('test', ['pre-test'], function (cb) {
  var mochaErr;

  gulp.src('test/**/*.js')
    .pipe(plumber())
    .pipe(mocha({reporter: 'spec'}))
    .on('error', function (err) {
      mochaErr = err;
    })
    .pipe(istanbul.writeReports())
    .on('end', function () {
      cb(mochaErr);
    });
});

gulp.task('bump', function () {
  return gulp.src(['./package.json'])
    .pipe(bump({type:'minor'}))
    .pipe(gulp.dest('./'));
});

gulp.task('tag', ['bump'], function () {
  var pkg = require('./package.json');
  var v = 'v' + pkg.version;
  var message = 'Release ' + v;

  return gulp.src('./')
    .pipe(git.commit(message))
    .pipe(git.tag(v, message))
    .pipe(git.push('origin', 'master', '--tags'))
    .pipe(gulp.dest('./'));
});

gulp.task('npm', ['tag'], function (done) {
  require('child_process').spawn('npm', ['publish'], { stdio: 'inherit' })
    .on('close', done);
});

gulp.task('prepublish', ['nsp']);
gulp.task('release', ['npm']);
gulp.task('default', ['static', 'test']);