p2s/Gruntfile.js

A JavaScript 2D physics engine.

var fs = require('fs');

module.exports = function(grunt) {

    grunt.initConfig({
        pkg: grunt.file.readJSON('package.json'),

        browserify : {
            core : {
                src : ["src/p2.js"],
                dest : 'build/p2.js',
                options:{
                    bundleOptions : {
                        standalone : "p2"
                    }
                }
            }
        },

        uglify : {
            build: {
                src : ['build/p2.js'],
                dest : 'build/p2.min.js'
            },
            demo: {
                src : ['build/p2.renderer.js'],
                dest : 'build/p2.renderer.min.js'
            }
        },

        nodeunit: {
            all: ['test/**/*.js'],
        },

        jshint: {
            all: ['src/**/*.js'],
            options:{
                jshintrc: '.jshintrc',
                force: true // Do not fail the task
            }
        },

        watch: {
            options: {
                nospawn: false
            },
            files: [
                'src/**/*',
                'demos/js/*Renderer.js',
                'test/**/*'
            ],
            tasks: [
                'dev'
            ]
        },

        concat: {
            renderer: {
                src: ['demos/js/pixi.js', 'demos/js/dat.gui.js', 'demos/js/Renderer.js', 'demos/js/WebGLRenderer.js'],
                dest: 'build/p2.renderer.js',
            }
        },

        yuidoc: {
            compile: {
                name: 'p2.js',
                description: '<%= pkg.description %>',
                version: '<%= pkg.version %>',
                url: '<%= pkg.homepage %>',
                options: {
                    outdir : "docs",
                    paths : ["./src/"],
                    exclude: ".DS_Store,.svn,CVS,.git,build_rollup_tmp,build_tmp,gl-matrix"
                }
            }
        }
    });

    grunt.loadNpmTasks('grunt-contrib-uglify');
    grunt.loadNpmTasks('grunt-contrib-jshint');
    grunt.loadNpmTasks('grunt-browserify');
    grunt.loadNpmTasks('grunt-contrib-nodeunit');
    grunt.loadNpmTasks('grunt-contrib-watch');
    grunt.loadNpmTasks('grunt-contrib-concat');
    grunt.loadNpmTasks('grunt-contrib-yuidoc');

    grunt.registerTask('default', ['test','jshint','browserify','concat','uglify','addLicense','requireJsFix']);
    grunt.registerTask('dev', ['test','jshint','browserify','concat']);
    grunt.registerTask('test', ['nodeunit']);

    // Not sure what flag Browserify needs to do this. Fixing it manually for now.
    grunt.registerTask('requireJsFix','Modifies the browserify bundle so it works with RequireJS',function(){
        ['build/p2.js', 'build/p2.min.js'].forEach(function (path){
            var text = fs.readFileSync(path).toString();
            text = text.replace('define.amd', 'false'); // This makes the bundle skip using define() from RequireJS
            fs.writeFileSync(path, text);
        });
    });

    grunt.registerTask('addLicense','Adds the LICENSE to the top of the built files',function(){
        var text = fs.readFileSync("LICENSE").toString();

        var dev = fs.readFileSync("build/p2.js").toString();
        var min = fs.readFileSync("build/p2.min.js").toString();

        fs.writeFileSync("build/p2.js",text+"\n"+dev);
        fs.writeFileSync("build/p2.min.js",text+"\n"+min);
    });
};