Prefix CSS with Autoprefixer
Issues with the output should be reported on the Autoprefixer issue tracker.
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$ npm install --save-dev gulp-autoprefixer
const gulp = require('gulp');
const autoprefixer = require('gulp-autoprefixer');
gulp.task('default', () =>
gulp.src('src/app.css')
.pipe(autoprefixer({
browsers: ['last 2 versions'],
cascade: false
}))
.pipe(gulp.dest('dist'))
);See the Autoprefixer options.
Use gulp-sourcemaps like this:
const gulp = require('gulp');
const sourcemaps = require('gulp-sourcemaps');
const autoprefixer = require('gulp-autoprefixer');
const concat = require('gulp-concat');
gulp.task('default', () =>
gulp.src('src/**/*.css')
.pipe(sourcemaps.init())
.pipe(autoprefixer())
.pipe(concat('all.css'))
.pipe(sourcemaps.write('.'))
.pipe(gulp.dest('dist'))
);You might want to use Autoprefixer as a PostCSS plugin if you use other PostCSS plugins in your build process.
MIT © Sindre Sorhus