grunt-script-extractor

Extract the script sources from a html file and pass them to uglify task.

example Gruntfile.js:

module.exports = function (grunt) {
	'use strict';

	var scriptExtractor = require('grunt-script-extractor')(grunt);

	grunt.initConfig({
		pkg: grunt.file.readJSON('package.json'),
		uglify: {
			options: {
				banner: '/*! <%= pkg.name %> <%= grunt.template.today("yyyy-mm-dd") %> */\n',
				report: 'min'
			},
			build: {
				files: {
					'dist/app.min.js': scriptExtractor('index.html')
				}
			}
		}
	});
	grunt.loadNpmTask('grunt-contrib-uglify');
	grunt.loadNpmTask('grunt-script-extractor');

	grunt.registertask('default', ['uglify']);
};

scriptExtractor(htmlFile, [prefix])

Search through htmlFile for script tags and return an array of each script tags src value, prefixed by optional prefix.