in src/FileUpdater.js [155:165]
function updatePath (sourcePath, targetPath, options, log) {
if (sourcePath !== null && typeof sourcePath !== 'string') {
throw new Error('A source path (or null) is required.');
}
if (!targetPath || typeof targetPath !== 'string') {
throw new Error('A target path is required.');
}
return updatePathInternal(sourcePath, targetPath, options, log);
}