diff --git a/plugins/extract-css.js b/plugins/extract-css.js
index e3331e9..d264bfd 100644
--- a/plugins/extract-css.js
+++ b/plugins/extract-css.js
@@ -1,4 +1,5 @@
var fs = require('fs')
+var path = require('path')
var compiler = require('../lib/compiler')
module.exports = function (b, opts) {
@@ -8,17 +9,23 @@ module.exports = function (b, opts) {
var styles = Object.create(null)
var outPath = opts.out || opts.o || 'bundle.css'
+ var allowEmpty = opts.allowEmpty || opts.empty || false
b.on('bundle', function (bs) {
bs.on('end', function () {
- var css = Object.keys(styles)
- .map(function (file) { return styles[file] })
- .join('\n')
- if (typeof outPath === 'object' && outPath.write) {
- outPath.write(css)
- outPath.end()
- } else if (typeof outPath === 'string') {
- fs.writeFile(outPath, css, function () {})
+ if (allowEmpty || (!allowEmpty && Object.keys(styles)[0] !== undefined)) {
+ var css = Object.keys(styles)
+ .map(function (file) { return styles[file] })
+ .join('\n')
+ if (typeof outPath === 'object' && outPath.write) {
+ outPath.write(css)
+ outPath.end()
+ } else if (typeof outPath === 'string') {
+ if (!fs.existsSync(path.dirname(outPath))) {
+ fs.mkdirSync(path.dirname(outPath))
+ }
+ fs.writeFile(outPath, css, function () {})
+ }
}
})
})
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