小编Mat*_*ias的帖子

我为我的 javascript 设置了一个 Webpack 配置并顺利运行，但是当我尝试将 PostCSS 添加到同一个配置时，开始出现问题。它确实有效，并生成了我的 CSS，但同时也抛出了一些奇怪的错误，我对此感到非常困难。

$ npm run env:dev -- webpack-dev-server
> arc@0.1.0 env:dev /Users/mattias/projects/pestbarn.github.io
> cross-env NODE_ENV=development "webpack-dev-server"

Project is running at http://localhost:3000/
webpack output is served from /

WARNING in ./src/postcss/base.postcss
(Emitted value instead of an instance of Error) resolve-url-loader cannot operate: CSS error
    ENOENT: no such file or directory, open 'src/postcss/%3Cno%20source%3E'
    at Object.fs.openSync (fs.js:584:18)
    @ multi (webpack)-dev-server/client?http://localhost:3000 webpack/hot/dev-server ./src/postcss/base.postcss webpack/hot/only-dev-server

Child extract-text-webpack-plugin:

WARNING in ./~/css-loader?importLoaders=1!./~/resolve-url-loader!./~/postcss-loader/lib?sourceMap=inline!./src/postcss/base.postcss
(Emitted value instead of an instance of Error)   resolve-url-loader …