Read a nested property in a JSON5 scenegraph

index.js

'use strict';
const fs = require('fs');
const json5 = require('json5');

fs.readFile(
	'scene.json5',
	'utf8',
	(error, code) => {
		const shape = json5.parse(code);
		console.log(shape.appearance.material.diffuseColor);
	}
);

scene.json5

{
    "$": "Shape",

    // This line is a comment.
    "geometry": {
        "$": "Sphere"
    },

    "appearance": {
        "$": "Appearance",
        "material": {
            "$": "Material",
            "diffuseColor": [0, 1, 0]
        }
    }
}

Example for Issue #10 of JSON Scenegraph.