CLI wrapper for preprocess.
Usage: preprocess <file> [options]
Options:
-o, --output-file Output file
-s, --file-not-found-silent-fail Instruct preprocess to fail silently. [default: false]
--src-dir The directory where to look for files included. Defaults to process.cwd().
--src-eol The end of line (EOL) character to use for the preprocessed result.
-t, --type The syntax type of source string to preprocess. [default: "html"]
-c, --context Context file: must be js or json. Defaults to process.env.