npm i -D gulp-purgecss
npm install --save-dev gulp-purgecss
Usage
By default, purgecss
outputs the source CSS with unused selectors removed:
const gulp = require('gulp')
const purgecss = require('gulp-purgecss')
gulp.task('purgecss', () => {
return gulp.src('src/**/*.css')
.pipe(purgecss({
content: ['src/**/*.html']
}))
.pipe(gulp.dest('build/css'))
})
By setting the rejected
option, you can 'invert' the output to list only the removed selectors:
const gulp = require('gulp')
const rename = require('gulp-rename')
const purgecss = require('gulp-purgecss')
gulp.task('purgecss-rejected', () => {
return gulp.src('src/**/*.css')
.pipe(rename({
suffix: '.rejected'
}))
.pipe(purgecss({
content: ['src/**/*.html'],
rejected: true
}))
.pipe(gulp.dest('build/css'))
})
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