phantomjs fs.overwrite

fsOverwrite.js

var fs = require('fs');

fs.overwrite = function(source, destination, maxTrials){
	var overwritten = false;
	var trials = 0;
	maxTrials = parseInt(maxTrials)
	maxTrials = !!maxTrials ? maxTrials : null;
	while(!overwritten) {
		if (maxTrials && trials > maxTrials) {
			return -1;
		}
		try {
			this.copy(source, destination);
			overwritten = true;
		} catch(e) {
			if (fs.exists(destination)) {
				fs.remove(destination);
			} else {
				return -2;
			}
		}
		trials++;
	}
	return trials;
};