Gulp, postcss and UnCSS

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Gulp, postcss and UnCSS



I'm trying to clean up my css and use UnCSS with gulp and Postcss.



I have this:


gulp.task('optim-css', function() {
var stream1 = gulp.src(['dev/css/bootstrap.min.css','dev/css/custom.css'])
.pipe(postcss([ rucksack() ]))
.pipe(postcss(uncss({
html: ['http://localhost/olssonseder/','http://localhost/olssonseder/lyssna/','http://localhost/olssonseder/repertoar/','http://localhost/olssonseder/kontakta/','http://localhost/olssonseder/kontakta/','http://localhost/olssonseder/om-gitarren/'],
ignore: [new RegExp('.b-lazy*'),
new RegExp('.stickyFooter')]
}))
);

var stream2 = gulp.src(['dev/css/responsive-nav.css','dev/css/lity.css','dev/css/mp3-player-button.css'])

return merge(stream1, stream2)
.pipe(concat('styles.css'))
.pipe(cleanCSS())
.pipe(gulp.dest(''))
.pipe(browserSync.stream());
});



But I get this error and I just can't figure out why:


[14:21:49] TypeError: UnCSS: expected a callback
at init (C:UsersNickeDocumentsPortableAppsUwAmpwwwolssonsederwp-contentthemesbastemanode_modulesuncsssrcuncss.js:176:15)
at Gulp.<anonymous> (C:UsersNickeDocumentsPortableAppsUwAmpwwwolssonsederwp-contentthemesbastemagulpfile.js:48:23)
at module.exports (C:UsersNickeDocumentsPortableAppsUwAmpwwwolssonsederwp-contentthemesbastemanode_modulesorchestratorlibrunTask.js:34:7)
at Gulp.Orchestrator._runTask (C:UsersNickeDocumentsPortableAppsUwAmpwwwolssonsederwp-contentthemesbastemanode_modulesorchestratorindex.js:273:3)
at Gulp.Orchestrator._runStep (C:UsersNickeDocumentsPortableAppsUwAmpwwwolssonsederwp-contentthemesbastemanode_modulesorchestratorindex.js:214:10)
at Gulp.Orchestrator.start (C:UsersNickeDocumentsPortableAppsUwAmpwwwolssonsederwp-contentthemesbastemanode_modulesorchestratorindex.js:134:8)
at C:UsersNickeDocumentsPortableAppsUwAmpwwwolssonsederwp-contentthemesbastemanode_modulesgulpbingulp.js:129:20
at process._tickCallback (internal/process/next_tick.js:150:11)
at Function.Module.runMain (module.js:703:11)
at startup (bootstrap_node.js:190:16)
[14:21:52] Finished 'optim-js' after 2.75 s
[14:21:52] Finished 'optim-deferjs' after 2.73 s
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! bastema@1.0.0 gi: `gulp init`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the bastema@1.0.0 gi script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR! C:UsersNickeAppDataRoamingnpm-cache_logs2018-07-27T12_21_52_508Z-debug.log



Anyone has an idea as to why this is happening?









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