Getting a strange error using a basic gulp/express build watch.
Directory Layout
project/
- sass/
- style.scss
- gulpfile.js
- index.html
Gulpfile.js
var gulp = require('gulp'),
sass = require('gulp-ruby-sass'),
autoprefixer = require('gulp-autoprefixer'),
minifycss = require('gulp-minify-css'),
rename = require('gulp-rename');
gulp.task('express', function() {
var express = require('express');
var app = express();
app.use(require('connect-livereload')({port: 4002}));
app.use(express.static(__dirname));
app.listen(4000);
});
var tinylr;
gulp.task('livereload', function() {
tinylr = require('tiny-lr')();
tinylr.listen(4002);
});
function notifyLiveReload(event) {
var fileName = require('path').relative(__dirname, event.path);
tinylr.changed({
body: {
files: [fileName]
}
});
}
gulp.task('styles', function() {
return gulp.src('sass/*.scss')
.pipe(sass({ style: 'expanded', sourcemap: false }))
.pipe(autoprefixer('last 2 version', 'safari 5', 'ie 8', 'ie 9', 'opera 12.1'))
.pipe(gulp.dest('css'))
.pipe(rename({suffix: '.min'}))
.pipe(minifycss())
.pipe(gulp.dest('css'));
});
gulp.task('watch', function() {
gulp.watch('sass/*.scss', ['styles']);
gulp.watch('*.html', notifyLiveReload);
gulp.watch('css/*.css', notifyLiveReload);
});
gulp.task('default', ['styles', 'express', 'livereload', 'watch'], function() {
});
Style.scss
body { position: relative; }
The express server/livereload works fine, but when it tries to compile the stylesheet I'm getting this error (even with sourcemap: false
)
gulp-ruby-sass: write style.css.map
events.js:72
throw er; // Unhandled 'error' event
^
Error: <LOCAL_PATH_HERE>/style.css.map:3:1: Unknown word
Disabling sourcemaps is some kind of mystery right now. You have to do it like this
.pipe(sass({ "sourcemap=none": true }))
Not entirely sure why this fixes it, but changing the autoprefixer pipe to:
.pipe(autoprefixer({
browsers: ['last 2 versions'],
cascade: false
}))
and putting it before the sass pipe (top) allows it to build succesfully.
I fixed this problem keeping the source maps and using gulp-filter :
var filter = require('gulp-filter')
var filterCSS = filter('**/*.css');
gulp.task('styles', function() {
return gulp.src('sass/*.scss')
.pipe(sass({ style: 'expanded', sourcemap: true }))
// Filters only css files before auto prefixing
.pipe(filterCSS)
.pipe(autoprefixer('last 2 version', 'safari 5', 'ie 8', 'ie 9', 'opera 12.1'))
.pipe(filterCSS.restore())
.pipe(gulp.dest('css'))
.pipe(rename({suffix: '.min'}))
.pipe(minifycss())
.pipe(gulp.dest('css'));
});
I was having the same issue with the gulp-ruby-sass plugin . I found this blog post which explains that there are a couple of bugs in the gulp-ruby-sass plugin regarding source maps. They have both been closed a little over a week ago. If you upgrade to gulp-ruby-sass~1.0.0-alpha this should fix the issues your having with source maps.
If that doesn't work the article I linked to above shows how to use the gulp-sass plugin which which doesn't have the source map issue.
Try upgrading to gulp-ruby-sass 1.0.0-alpha. It uses gulp-sourcemaps and should avoid all iterations of this problem.
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