check if dir and file exists before generate bundle (#236)
check if dir and file exists before generate bundle (#236)

Solves for my own case https://github.com/darionco/rollup-plugin-web-worker-loader/issues/4

Which generates a new configuration for the worker which, when inlined, has not file or directory and rollup-plugin-postcss tries to compile it and crashes


egoist/rollup-plugin-postcss