Extracts files of interest from a zip object, calls a supplied function to modify them, and restores the files into the zip object.
Function that modifies the specified files
Array of file names to extract from the zip file. If empty, all files are extracted.
Promise that resolves to the modified zip file if the swizzle was successful
Extracts files of interest from a zip object, calls a supplied function to modify them, and restores the files into the zip object.