browserify生成代码

browserify test.js test2.js -o bundle.js

(function outer (modules, cache, entry) {
    // Save the require from previous bundle to this closure if any
    var previousRequire = typeof require == "function" && require;

    function newRequire(name, jumped){
        if(!cache[name]) {
            if(!modules[name]) {
                // if we cannot find the the module within our internal map or
                // cache jump to the current global require ie. the last bundle
                // that was added to the page.
                var currentRequire = typeof require == "function" && require;
                if (!jumped && currentRequire) return currentRequire(name, true);

                // If there are other bundles on this page the require from the
                // previous one is saved to 'previousRequire'. Repeat this as
                // many times as there are bundles until the module is found or
                // we exhaust the require chain.
                if (previousRequire) return previousRequire(name, true);
                throw new Error('Cannot find module \'' + name + '\'');
            }
            var m = cache[name] = {exports:{}};
            modules[name][0].call(m.exports, function(x){
                var id = modules[name][1][x];
                return newRequire(id ? id : x);
            },m,m.exports,outer,modules,cache,entry);
        }
        return cache[name].exports;
    }
    for(var i=0;i<entry.length;i++) newRequire(entry[i]);

    // Override the current require with this new one
    return newRequire;
})({
    1 : [function(require, module, exports) {
        function a() {}

        module.exports = a;

    },
    {}],
    2 : [function(require, module, exports) {
        var a = require('./test.js');
        function b() {}
        module.exports = b;

    },
    {
        "./test.js": 1
    }]
},
{},
[1, 2]);

browerify自动添加的代码模板参考prelude.js