A pre-commit hook to minify JavaScript files and add them to staging.

pre-commit

#!/usr/bin/env node

var fs = require('fs');
var uglify = require('uglify-js');
var path = require('path');
var exec = require('child_process').exec;

var in_file = path.normalize(__dirname + '../../../infile.js');
var out_file = path.normalize(__dirname + '../../../outfile.min.js');

var result = uglify.minify(in_file);
fs.writeFile(out_file, result.code, function (err) {
  if (err) return console.warn(err);
  console.log('Successfully created ' + out_file);
});

exec('git add ' + out_file, function (err, stdout, stderr) {
  if (err) return console.warn(err);
});