Symlink files (keeping the directory structure) during your build.
npm install symlink-files
symlink_files("./client/**/*.!(js|html|css)", "./client", "./build", {}, callback);Works with gulp.
gulp.task("link", function (cb)
{
symlink_files("./client/**/*.!(js|html|css)", "./client", "./build", {}, callback);
});symlink_files(glob, client_path, build_path, [options,] callback)
Options is an object with the following possible properties.
rel Whether to create relative symlinks or absolute (default: false)