// The chunk is requested, when you require the bundle
var waitForChunk = require("bundle!./file.js");

console.assert(waitForChunk.__asyncModule === true); // function is marked with `__asyncModule` flag

// To wait until the chunk is available (and get the exports)
//  you need to async wait for it.
waitForChunk(
    function(file) {
        // use file like is was required with
        // var file = require("./file.js");
    },
    function(error) {
        // error while loading chunk (error callback is only available in webpack >= 2.2.0)
    }
);
// wraps the require in a require.ensure block

var load = require("bundle?lazy!./file.js");

console.assert(load.__asyncModule === true); // function is marked with `__asyncModule` flag
console.assert(load.__lazyModule === true); // function is marked with `__lazyModule` flag

// The chunk is not requested until you call the load function
load(
    function(file) {
    },
    function(error) {
        // error while loading chunk (error callback is only available in webpack >= 2.2.0)
    }
);

require("bundle-marked-loader?lazy&name=my-chunk!./file.js");