Is it possible to specify "main" file when launching node-webkit - node-webkit

Question

I'm not sure if this is possible or not. I am wondering if there is a way to specify the index file that is opened up when node-webkit is launched. i.e., I am trying to override the "main" key in the manifest file.
Here is a basic example of a setup and what I want to do:
package.json:
{
"main": "index.html",
"name": "nw-demo",
...
}
The package looks something like this:
app.nw
| -- package.json
` -- index.html
` -- anotherIndex.html
...
Desired command:
nw app.nw --main="anotherIndex.html"
I am aware of the --url="FILE.html" command line switch specified here, but when I pass this param node-webkit fails to open at all.

Answer 1

Node Webkit can support opening the file, as you want it to. This code is not bullet-proof, but it should get you started.
Follow these steps:
Place the following JavaScript in the head of your default index.html page:
window.gui = require('nw.gui');
checkFile = function()
{
var arg = window.gui.App.argv[1];
if (arg)
{
window.location = arg;
}
}
Now add this to the body tag : onLoad="checkFile();"
You should now be able to call Node WebKit from the command line as follows:
nw app.nw startwiththisfile.html
If startwiththisfile.html is in your app.nw package, it should launch.