rump-images/lib/gulp/build.js

Rump piece for handling images

'use strict';

var _interopRequireDefault = require('babel-runtime/helpers/interop-require-default')['default'];

var _gulp = require('gulp');

var _gulp2 = _interopRequireDefault(_gulp);

var _gulpChanged = require('gulp-changed');

var _gulpChanged2 = _interopRequireDefault(_gulpChanged);

var _gulpClone = require('gulp-clone');

var _gulpClone2 = _interopRequireDefault(_gulpClone);

var _gulpFilter = require('gulp-filter');

var _gulpFilter2 = _interopRequireDefault(_gulpFilter);

var _gulpGm = require('gulp-gm');

var _gulpGm2 = _interopRequireDefault(_gulpGm);

var _gulpImagemin = require('gulp-imagemin');

var _gulpImagemin2 = _interopRequireDefault(_gulpImagemin);

var _gulpPlumber = require('gulp-plumber');

var _gulpPlumber2 = _interopRequireDefault(_gulpPlumber);

var _gulpRename = require('gulp-rename');

var _gulpRename2 = _interopRequireDefault(_gulpRename);

var _rump = require('rump');

var _rump2 = _interopRequireDefault(_rump);

var _gulpUtil = require('gulp-util');

var _path = require('path');

var name = _rump2['default'].taskName.bind(_rump2['default']);
var task = _gulp2['default'].task.bind(_gulp2['default']);
var configs = _rump2['default'].configs;

task(name('build:images'), function () {
      var source = (0, _path.join)(configs.main.paths.source.root, configs.main.paths.source.images, configs.main.globs.build.images);
      var destination = (0, _path.join)(_rump2['default'].configs.main.paths.destination.root, _rump2['default'].configs.main.paths.destination.images);
      var minify = configs.main.images.minify;

      var stream = (0, _gulp.src)([source].concat(configs.main.globs.global)).pipe((_rump2['default'].configs.watch ? _gulpPlumber2['default'] : _gulpUtil.noop)()).pipe((_rump2['default'].configs.watch ? _gulpChanged2['default'] : _gulpUtil.noop)(destination));

      // Clone retina images if available
      if (configs.main.images.retina) {
            var cloneSink = _gulpClone2['default'].sink(),
                retinaFilter = (0, _gulpFilter2['default'])(['**/*@2x.*'], { restore: true });
            stream = stream.pipe(retinaFilter).pipe(cloneSink).pipe((0, _gulpGm2['default'])(function (gmfile, done) {
                  return done(null, gmfile.resize('50%', '50%'));
            })).pipe((0, _gulpRename2['default'])(function (path) {
                  return path.basename = path.basename.replace(/@2x$/, '');
            })).pipe(retinaFilter.restore).pipe(cloneSink.tap());
      }

      return stream.pipe((minify ? _gulpImagemin2['default'] : _gulpUtil.noop)(configs.main.images.imagemin)).pipe((0, _gulp.dest)(destination));
});

_gulp.tasks[name('build')].dep.push(name('build:images'));
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