Why I am not getting a new CSS file from gulp-uncss? -

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i trying further compress css file. , getting error peculiar. wondered why referenceerror: can't find variable: jquery task solely encompasses selectors html & css? unless it's reading script tags in html have selectors?

update forgot mention task not spitting out, new css file!

also noticed many gulp tasks have ./ preceding directory, purpose of that? anyway, see below:

this gulp file, figured include it...

gulp.task('uncss', function() { return gulp.src('site/assets/stylesheets/style.min.81113a5b.css')     .pipe(uncss({         html: [             'site/**/*.html'         ]     }))     .pipe(gulp.dest('./out'));  });

this error getting.

referenceerror: can't find variable: jquery    file:///users/antonioortiz/sites/antonioortiz.github.io/site/cookie_control/cookie_example/index.html:12   file:///users/antonioortiz/sites/antonioortiz.github.io/site/cookie_control/cookie_example/index.html:43  /users/antonioortiz/sites/antonioortiz.github.io/node_modules/gulp-uncss/node_modules/uncss/node_modules/bluebird/js/main/async.js:43         fn = function () { throw arg; };                                  ^ error: uncss/node_modules/css: unable parse undefined: missing '}' near line 1:46497     1:     -> ebkit-min-device-pixel-ratio:0){@media{.      @ error (/users/antonioortiz/sites/antonioortiz.github.io/node_modules/gulp-uncss/node_modules/uncss/node_modules/css/node_modules/css-parse/index.js:57:15)     @ declarations (/users/antonioortiz/sites/antonioortiz.github.io/node_modules/gulp-uncss/node_modules/uncss/node_modules/css/node_modules/css-parse/index.js:224:26)     @ rule (/users/antonioortiz/sites/antonioortiz.github.io/node_modules/gulp-uncss/node_modules/uncss/node_modules/css/node_modules/css-parse/index.js:481:21)     @ rules (/users/antonioortiz/sites/antonioortiz.github.io/node_modules/gulp-uncss/node_modules/uncss/node_modules/css/node_modules/css-parse/index.js:103:56)     @ atmedia (/users/antonioortiz/sites/antonioortiz.github.io/node_modules/gulp-uncss/node_modules/uncss/node_modules/css/node_modules/css-parse/index.js:345:35)     @ atrule (/users/antonioortiz/sites/antonioortiz.github.io/node_modules/gulp-uncss/node_modules/uncss/node_modules/css/node_modules/css-parse/index.js:457:10)     @ rules (/users/antonioortiz/sites/antonioortiz.github.io/node_modules/gulp-uncss/node_modules/uncss/node_modules/css/node_modules/css-parse/index.js:103:44)     @ stylesheet (/users/antonioortiz/sites/antonioortiz.github.io/node_modules/gulp-uncss/node_modules/uncss/node_modules/css/node_modules/css-parse/index.js:73:16)     @ object.module.exports [as parse] (/users/antonioortiz/sites/antonioortiz.github.io/node_modules/gulp-uncss/node_modules/uncss/node_modules/css/node_modules/css-parse/index.js:485:10)     @ process (/users/antonioortiz/sites/antonioortiz.github.io/node_modules/gulp-uncss/node_modules/uncss/src/uncss.js:158:22)     @ trycatcher (/users/antonioortiz/sites/antonioortiz.github.io/node_modules/gulp-uncss/node_modules/uncss/node_modules/bluebird/js/main/util.js:26:23)     @ promise._settlepromisefromhandler (/users/antonioortiz/sites/antonioortiz.github.io/node_modules/gulp-uncss/node_modules/uncss/node_modules/bluebird/js/main/promise.js:501:31)     @ promise._settlepromiseat (/users/antonioortiz/sites/antonioortiz.github.io/node_modules/gulp-uncss/node_modules/uncss/node_modules/bluebird/js/main/promise.js:577:18)     @ promise._settlepromises (/users/antonioortiz/sites/antonioortiz.github.io/node_modules/gulp-uncss/node_modules/uncss/node_modules/bluebird/js/main/promise.js:693:14)     @ async._drainqueue (/users/antonioortiz/sites/antonioortiz.github.io/node_modules/gulp-uncss/node_modules/uncss/node_modules/bluebird/js/main/async.js:123:16)     @ async._drainqueues (/users/antonioortiz/sites/antonioortiz.github.io/node_modules/gulp-uncss/node_modules/uncss/node_modules/bluebird/js/main/async.js:133:10)

taken uncss documentation:

how?

the process uncss removes unused rules follows:

  1. the html files loaded phantomjs , javascript executed.
  2. ...

this means page loaded in headless browser, library able find selectors used.

i never used uncss, seems me that:

  • it throw js errors in case happen;
  • it complain in case css not error-free.

that's why you're getting errors.


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