thebakeryio/parse-graphql-server

/* eslint no-underscore-dangle: "off", global-require: "off" */

const gulp = require('gulp');
const loadPlugins = require('gulp-load-plugins');
const del = require('del');
const path = require('path');
const isparta = require('isparta');
require('vinyl-source-stream');

const Instrumenter = isparta.Instrumenter;
const mochaGlobals = require('./test/setup/.globals');
const manifest = require('./package.json');

// Load all of our Gulp plugins
const $ = loadPlugins();

// Gather the library data from `package.json`
const mainFile = manifest.main;
const destinationFolder = path.dirname(mainFile);

function cleanDist(done) {
  del([destinationFolder]).then(() => done());
}

function cleanTmp(done) {
  del(['tmp']).then(() => done());
}

// Lint a set of files
function lint(files) {
  return gulp.src(files)
    .pipe($.eslint())
    .pipe($.eslint.format())
    .pipe($.eslint.failAfterError());
}

function lintSrc() {
  return lint('src/**/*.js');
}

function lintTest() {
  return lint('test/**/*.js');
}

function lintGulpfile() {
  // return lint('gulpfile.js');
}

function build() {
  return gulp.src('src/**/*.js')
    .pipe($.sourcemaps.init({ loadMaps: true }))
    .pipe($.babel())
    .pipe($.sourcemaps.write('./'))
    .pipe(gulp.dest(destinationFolder));
}

function _mocha() {
  return gulp.src(['test/setup/node.js', 'test/unit/**/*.js'], { read: false })
    .pipe($.mocha({
      reporter: 'dot',
      globals: Object.keys(mochaGlobals.globals),
      ignoreLeaks: false,
    }));
}

function _registerBabel() {
  require('babel-register');
}

function test() {
  _registerBabel();
  return _mocha();
}

function coverage(done) {
  _registerBabel();
  gulp.src(['src/**/*.js'])
    .pipe($.istanbul({ instrumenter: Instrumenter }))
    .pipe($.istanbul.hookRequire())
    .on('finish', () => test().pipe($.istanbul.writeReports()).on('end', done));
}

const watchFiles = ['src/**/*', 'test/**/*', 'package.json', '**/.eslintrc', '.jscsrc'];

// Run the headless unit tests as you make changes.
function watch() {
  gulp.watch(watchFiles, ['test']);
}

// Remove the built files
gulp.task('clean', cleanDist);

// Remove our temporary files
gulp.task('clean-tmp', cleanTmp);

// Lint our source code
gulp.task('lint-src', lintSrc);

// Lint our test code
gulp.task('lint-test', lintTest);

// Lint this file
gulp.task('lint-gulpfile', lintGulpfile);

// Lint everything
gulp.task('lint', ['lint-src', 'lint-test', 'lint-gulpfile']);

// Build two versions of the library
gulp.task('build', ['lint', 'clean'], build);

// Lint and run our tests
gulp.task('test', ['lint'], test);

// Set up coverage and run tests
gulp.task('coverage', ['lint'], coverage);

// Run the headless unit tests as you make changes.
gulp.task('watch', watch);

// An alias of test
gulp.task('default', ['test']);