Node-Sass includes the #use directive when compiling - sass

I'm new to sass in general and am using gulp to watch my directory. However I realized that when my CSS Compiles from SASS it includes the #use directive at the top. For instance where I use sass:map this is brought over in the final file. I'm aware that it may just be of nuisance value right now. But wondering how to have them excluded.
Here is the gulpfile that I use for watching/compiling
var gulp = require("gulp");
var sass = require("gulp-sass");
var sassGlobbing = require("gulp-sass-glob");
sass.compiler = require("node-sass");
var paths = {
styles:{
src:"src/scss/**/*.scss",
dest: "assets/css/",
index: "src/scss/styles.scss"
}
}
gulp.task("sass", function(){
return gulp
.src(paths.styles.index)
.pipe(sassGlobbing())
.pipe(sass().on("error", sass.logError))
.pipe(gulp.dest(paths.styles.dest))
})
gulp.task("watch", function(){
gulp.watch(paths.styles.src, gulp.series("sass"))
})

According to this and I am just copying some lines from there
https://sass-lang.com/documentation/at-rules/import#importing-css
"Note that only Dart Sass currently supports #use. Users of other implementations must use the #import rule instead.)"

Related

Gulp task: pipe gulp-sass to postCSS doing nothing

I'm trying to:
Add vendor prefixes to SCSS
Compile to CSS
Minify it
With this gulp code:
const {src,dest} = require('gulp');
const sass = require('gulp-sass')(require('sass'));
const autoprefixer = require('autoprefixer');
const sourcemaps= require('gulp-sourcemaps');
const postcss = require('gulp-postcss')
const postcssScss = require('postcss-scss')
function genCSS() {
return src(tpath.src.scss)
.pipe(sourcemaps.init()) //line in css, maps to source (file & line).
.pipe(postcss({plugins:[autoprefixer()], syntax:require('postcss-scss')}))
.pipe(sass.sync({outputStyle:'compressed'}).on('error', sass.logError))
.pipe(sourcemaps.write())
.pipe(dest(tpath.dest.scss)) //single index.css file
};
exports.genCSS=genCSS
But this is what postCSS logs, and indeed it is true:
You did not set any plugins, parser, or stringifier. Right now, PostCSS does nothing. Pick plugins for your case on https://www.postcss.parts/ and use them in postcss.config.js.
On the linked page: https://www.postcss.parts/, there are Sass plugins but this is not a compiler so I'm confused.
What is the mistake and how could it be solved?
This
.pipe(postcss([autoprefixer()],{syntax:'postcss-scss'}))
should be:
.pipe(postcss([autoprefixer()],{syntax:'postcss-scss'}))
A few details:
If Config file is there, remove the options from postcss({...})
It runs faster without postcss-scss on the function argument (but it has to be imported), like so:
const postcssScss = require('postcss-scss') //keep this
.pipe(postcss([autoprefixer()])) //removed here
You can add cssnano and remove outputStyle:compressed but this will be slower (loading an extra package).

How do I use post-css to autoprefix SCSS without compiling to CSS?

I have a static site that is generated using Jekyll.
Directory structure:
| _sass/
|---| subfolder/
|---|---| _component-1.scss
|---|---| _component-2.scss etc
| css/
|---| main.scss
| _site/
|---| css/
|---|---| main.css
main.scss imports all my SCSS components into one file, and Jekyll compiles the SCSS into the 'source' directory (where the static site is generated) - _site.
I want to use an autoprefixer on my SCSS components. There are Jekyll plugins that do this, however I host the site on GitHub pages, which disables plugins for security reasons. I could use the plugin locally and then just push the _site directory to GitHub, but I don't want to use this option.
I want to use a Gulp task to autoprefix my SCSS components, without first compiling the SCSS to CSS. I want to simply autoprefix in my Gulp build step, and let the Jekyll build process take care of the SCSS compilation.
So I've changed the sass_dir in the Jekyll _config.yml file to be _gulped-sass (or whatever) instead of _sass, and tried the following gulp task:
var gulp = require('gulp');
var autoprefixer = require('gulp-autoprefixer');
var source = '_sass/**/*.scss';
var destination = '_gulped-sass';
gulp.task('autoprefixer', function() {
gulp.src(source)
.pipe(autoprefixer({
browsers: ['last 2 versions']
}))
.pipe(gulp.dest(destination));
});
..however this gives the error:
$ gulp autoprefixer
$ error: you tried to parse SCSS with the standard CSS parser; try again with the postcss-scss parser
Ok, so the docs for post-scss gives the useage as
var syntax = require('postcss-scss');
postcss(plugins).process(scss, { syntax: syntax }).then(function(result) {
result.content // SCSS with transformations
});
..and the docs for post-css give the useage as:
gulp.task('css', function () {
var postcss = require('gulp-postcss');
var sourcemaps = require('gulp-sourcemaps');
return gulp.src('src/**/*.css')
.pipe( sourcemaps.init() )
.pipe( postcss([ require('precss'), require('autoprefixer') ]) )
.pipe( sourcemaps.write('.') )
.pipe( gulp.dest('build/') );
});
I cannot work out from the docs how to use the postcss-scss parser in my Gulp task. I've tried many different combinations of the two examples from the docs, but none work.
So, how can I use post-css and/or post-scss in my Gulp task in order to autoprefix my SCSS without compiling it to CSS?
Figured it out. The post-scss parser (not plugin) can be assigned as the syntax property of an object passed as a second parameter to the postcss function. It starts to look really messy, but it works:
var gulp = require('gulp');
var source = '_sass/**/*.scss';
var destination = '_gulped-sass';
var postcss = require('gulp-postcss');
var autoprefixer = require('autoprefixer');
gulp.task('autoprefixer', function () {
return gulp.src(source)
.pipe(postcss([autoprefixer({
browsers: ['last 2 versions']
})], {
syntax: require('postcss-scss')
}))
.pipe(gulp.dest(destination));
});

Getting proper sourcemaps (gulp sass + cleanCss + prefixer + uncss)

What is best way to chain gulp for compiling sass into clean css (prefixed, un-CSSed and minified).
Following example creates sourcemaps, but they are pointing to wrong line numbers in source files when viewed in browser inspector.
var plugins = require('gulp-load-plugins')(),
bourbon = require('node-bourbon').includePaths,
neat = require('node-neat').includePaths;
gulp.task('default', function () {
return gulp.src('src/scss/**/*.scss')
.pipe(plugins.sourcemaps.init())
.pipe(plugins.sass({includePaths: bourbon, includePaths: neat}))
.on('error',plugins.util.log.bind(plugins.util, 'Sass Error'))
.pipe(plugins.concat('styles.css'))
.pipe(plugins.uncss({html: ['dist/**/*.html']}))
.pipe(plugins.autoprefixer())
.pipe(plugins.cleanCss())
.pipe(plugins.sourcemaps.write('.'))
.pipe(gulp.dest('dist/css/'));
});
In an attempt to fix this problem I tried to output sourcemaps before autoprefixer and cleanCss but it results in an error related to "Neat" and "Burbon" paths: Error: Broken #import declaration of "../neat" Broken #import declaration of "../colors" Broken #import declaration of "../variables" Broken #import declaration of "../grid" Broken #import declaration of "../tables"
i work with this task, using CSSO instead of your cleanCSS but use whatever you want, the tricky part is the sourcemaps, sometimes mess up the paths.
Declare a source path
Init SourceMaps
Compile SCSS into CSS
Add the right prefix support
Paste SourceMaps in the CSS file generated pointing to the SCSS files
Compress the CSS file ( this probably remove the sourcemaps unless you told package to save comments )
Declare a dest path
Gulpfile: SASS Task
const gulp = require('gulp'),
autoprefixer = require('gulp-autoprefixer'),
csso = require('gulp-csso'),
sass = require('gulp-sass'),
sourcemaps = require('gulp-sourcemaps');
gulp.task('sass', ['sass'], () => {
return gulp
.src('src/scss/**/*.scss')
.pipe(sourcemaps.init())
.pipe(sass().on('error', sass.logError))
.pipe(autoprefixer({ browser: ['last 2 version', '> 5%'] }))
.pipe(sourcemaps.write())
.pipe(csso())
.pipe(gulp.dest('dist/css'));
});

gulp-sass: ERROR - file to import not found or unreadable

I am having problems getting my SASS files to compile having now split them out and importing ones I require in my main scss file.
I have a styles folder that contains:
main.scss
top_menu.scss
I have added some imports to my main.scss:
#import 'font-awesome';
#import 'bootstrap';
#import 'custom_bootstrap';
#import 'top_menu';
and my gulp-sass task looks like this
gulp.task('compile_sass', ['compile_bower_sass'], function () {
return gulp.src(paths.scss_files, {base:'src'})
.pipe(gulp.dest(paths.dist))
.on('error', gutil.log)
.pipe(sass().on('error', sass.logError))
.pipe(minifycss({
keepSpecialComments: false,
removeEmpty: true
}))
.pipe(rename({suffix: '.min'}))
.pipe(gulp.dest(paths.dist))
});
The paths.scss_files variable is set to:
scss_files: './src/assets/styles/**/*.scss'
When the task runs I receive an error:
file to import not found or unreadable: top_menu
I actually want to be able to split my scss out into separate related sub folders and then use #import: 'navigation\top_menu' kinda thing.
Why would this error be coming up?
Thanks
EDIT:
The compile_bower_sass task compiles some other scss files (font-awesome, bootstrap, custom_bootstrap) which are required as you can see from the #import lines on my main.scss.
When running the compile_sass task and watching the output (dist) folder, I see the css files get generated from the compile_bower_sass task (so font-awesome.css, bootstrap.css, custom_bootstrap.min.css). I notice that the top_menu.scss file gets copied across too, but does not get compiled, so I guess this is why the error occurs.
Do I need to specify an order in my task, so could I make sure it compiles main.scss last to ensure any required files such as my custom top_menu.scss get compiled first and are available for my main file to access?
EDIT 2
OK, so I think my thoughts this was down to the order of compilation is correct.
If I change my scss_files variable to explicitly set the order they get piped to the gulp-sass (this time I have further organised into folders)
scss_files: ['./src/assets/styles/custom_bootstrap.scss',
'./src/assets/styles/navigation/top_menu.scss',
'./src/assets/styles/navigation/user_toolbar.scss',
'./src/assets/styles/main.scss']
Now my original compile-sass task works as is.
So, my next question is how do I configure gulp-sass so that I can ensure my main.scss file is compiled last? Or am I going about this all the wrong way?
EDIT 3:
I should probably have added these extra task configs when first asking this question. So the compile_sass task requires compile_bower_sass to be run first.
/*-BOWER PACKAGEs INCLUSION --------------------------------------------*/
gulp.task('compile_bower_sass', ['compile_bower_css'], function(){
var sassFiles = mainBowerFiles('**/*.scss');
return gulp.src(sassFiles)
.pipe(rename(function(path){
path.basename = path.basename.replace(/^_/, '');
return path;
// required where the string begins with _ , meaning that sass won't compile it (bootstrap)
}))
.pipe(sass({onError: function(e) { console.log(e); } }))
.pipe(gulp.dest(paths.dist_styles));
});
gulp.task('compile_bower_css', function(){
var cssFiles = mainBowerFiles('**/*.css');
return gulp.src(cssFiles)
.pipe(gulp.dest(paths.dist_styles));
});
gulp.task('compile_sass', ['compile_bower_sass'], function () {
return gulp.src(paths.scss_files, {base:'src'})
.pipe(sass({outputStyle: 'compressed'})
.on('error', sass.logError))
.pipe(rename({suffix: '.min'}))
.pipe(gulp.dest(paths.dist))
});
Im now ending up with
file to import not found or unreadable: font-awesome
In my dist style folder I can see font-awesome.css has been generated. I am pretty new at gulp and sass compilation, so no doubt I have misunderstood something here.
When the #import statement is used, is the file looking for that named scss or css file?
I have been having the same issue (using a mac with Sierra) and it seemed to only happen when I was using the glob style of including.
It turns out it is due to a race condition, you can work around it by putting a short wait in like so...
var gulp = require('gulp');
var sass = require('gulp-sass');
var wait = require('gulp-wait');
gulp.task('scss', function () {
gulp.src('resources/scss/**/*.scss')
.pipe(wait(200))
.pipe(sass())
.pipe(gulp.dest('public/dist'));
});
Add line breaks between the #import lines.
I tried many other solutions, some suggested it's a SublimeText issue having to do with setting "atomic_save": true, that didn't work for me.
I even tried adding a .pipe(wait(500)). Didn't work either.
Then I just added a line break before the offending #import. So in your case if it's throwing an error regarding top_menu, put a line break so it becomes:
#import 'custom_bootstrap';
#import 'top_menu';
I have no idea why, but this is the only thing that worked for me.
As best-practice I would add line breaks between all the lines just in case.
I've tried to recreate the issue you're having, but for me it seems to run fine.
I'll attach my code, and a shot of the folder structure to compare.
The only omission is the ['compile_bower_sass'] part, as I'm not totally sure what you need here. Is it possible that's something that should be using a loadPath instead?
You'll also notice from the screenshot of the folders that your scss files are getting copied over to dist as well. This may not be desirable.
Here's the Gulp code:
var gulp = require('gulp');
var sass = require('gulp-sass');
var minifycss = require('gulp-minify-css');
var rename = require('gulp-rename');
var gutil = require('gulp-util');
var paths = {
scss_files: './src/assets/styles/**/*.scss',
dist: './dist'
};
gulp.task('compile_sass', function () {
return gulp.src(paths.scss_files, {base:'src'})
.pipe(gulp.dest(paths.dist))
.on('error', gutil.log)
.pipe(sass().on('error', sass.logError))
.pipe(minifycss({
keepSpecialComments: false,
removeEmpty: true
}))
.pipe(rename({suffix: '.min'}))
.pipe(gulp.dest(paths.dist))
});
Here's the folders:
http://take.ms/AOFND
Perhaps all you need is:
var gulp = require('gulp');
var sass = require('gulp-sass');
var rename = require('gulp-rename');
var paths = {
scss_files: './src/assets/styles/**/*.scss',
dist: './dist'
};
gulp.task('compile_sass', function () {
return gulp.src(paths.scss_files, {base:'src'})
.pipe(sass({outputStyle: 'compressed'})
.on('error', sass.logError))
.pipe(rename({suffix: '.min'}))
.pipe(gulp.dest(paths.dist))
});
I was getting the error trying to migrate from Gulp 3.9.1 to 4.0.2, which requires a different way of setting up the gulpfile.js. I tried the line breaks in my file and also the wait just incase it was a race condition.
Utilizing gulp-plumber, it took away the error and my compiling of sass was successful.
function compile_sass() {
return gulp
.src('./wwwroot/css/**/*.scss')
.pipe(plumber())
.pipe(sass())
.pipe(gulp.dest("./wwwroot/css"));
}
The important part was the
.pipe(plumber())

Combining SCSS and SASS syntax with Gulp?

This is the first time I use a Taskrunner but I've used Sass a lot and I really like the Sass syntax rather than the SCSS syntax. However, I want to use the Bourbon library in my new project and it's written with SCSS, so it doesn't compile for me if I don't have all of my CSS written in SCSS, since I only compile the files with the .sass ending. Is there a way to compile both or to use some other gulp plugin that does this? I've never had this problem using Compass, Codekit or the Sass compiler that's built into Jekyll. I attached my code and remember that I'm new to this, so feel free to point out if I've done some stupid decisions or if there's something that looks weird, I'd love to improve.
var gulp = require('gulp'),
browserify = require('gulp-browserify'),
sass = require('gulp-sass'),
browserSync = require('browser-sync'),
reload = browserSync.reload;
//Tasks regarding scripts--------------------------------------------------|
gulp.task('scripts', function(){
// Single entry point to browserify
gulp.src('vendor/scripts/main.js')
.pipe(browserify({
insertGlobals : true,
debug : !gulp.env.production
}))
.pipe(gulp.dest('./dist/js'))
console.log("This is reloaded");
});
//Tasks regarding styles----------------------------------------------------|
gulp.task('sass', function(){
gulp.src('vendor/styles/**/*.scss')
.pipe(sass({
outputStyle: 'nested',
onError: console.error.bind(console, 'Sass error:')
}))
.pipe(gulp.dest('./dist/css'))
});
//Live reload--------------------------------------------------------------------|
gulp.task('serve', ['scripts','sass'], function () {
gulp.watch([
'dist/**/*'
]).on('change', reload);
gulp.watch('vendor/styles/**/*.scss', ['sass']);
gulp.watch('vendor/scripts/*.js', ['scripts']);
browserSync({
notify: false,
port: 9000,
server: {
baseDir: ['.tmp', 'dist'],
routes: {
'/bower_components': 'bower_components'
}
}
});
});
gulp-sass is based on libsass, the native C implementation of Sass, and libsass is well known to have issues with different syntaxes. I'd recommend using the plugin gulp-ruby-sass to fall back on the original Ruby implementation. The one you also use with Codekit, Compass, and so on. Be aware that gulp-ruby-sass has a different interface:
var sass = require('gulp-ruby-sass');
gulp.task('sass', function(){
return sass('vendor/styles/**/*.scss')
.pipe(gulp.dest('./dist/css'))
});
It's a lot slower that gulp-sass, but you won't come into such issues since there's still a huge difference between those implementations.
Btw: Good turn on your first Gulpfile! Just make sure to return streams in your subtasks so Gulp knows how to orchestrate them (just place a return statement before gulp.src)
According to
https://css-tricks.com/gulp-for-beginners/
You just need to change
/*.scss to *.+(scss|sass)
The plus + and parentheses () allows Gulp to match multiple patterns, with different patterns separated by the pipe | character. In this case, Gulp will match any file ending with .scss or .sass in the root folder.
This are my plugins:
// Load plugins
var gulp = require('gulp'),
sass = require('gulp-ruby-sass'),
autoprefixer = require('gulp-autoprefixer'),
cssnano = require('gulp-cssnano'),
jshint = require('gulp-jshint'),
uglify = require('gulp-uglify'),
imagemin = require('gulp-imagemin'),
haml = require('gulp-ruby-haml'),
rename = require('gulp-rename'),
concat = require('gulp-concat'),
notify = require('gulp-notify'),
cache = require('gulp-cache'),
livereload = require('gulp-livereload'),
coffee = require('gulp-coffee'),
gutil = require('gulp-util'),
slim = require("gulp-slim"),
del = require('del');
This worked for me:
// Styles
gulp.task('styles', function() {
return sass('src/styles/**/*.+(scss|sass)', { style: 'expanded' })
.pipe(autoprefixer('last 2 version'))
.pipe(gulp.dest('dist/css'))
.pipe(rename({ suffix: '.min' }))
.pipe(cssnano())
.pipe(gulp.dest('dist/css'));
});

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