Navigating attributes originating from the key in JSON: A guide to effective management

Question

Navigating attributes originating from the key in JSON: A guide to effective management

I'm facing a situation in my application where I have a JSON object structured like this:

var pages = {
    home: {
        title: "Home",
        description: "The home page",
        file: "home.html",
        url: "/home"
    },
    blog: {
        title: "Blog",
        description: "Our blog",
        file: "blog.html",
        url: "/blog"
    }
};

The file and url properties can be easily derived from the key itself. Currently, I define the object in this way:

var pages = {
    home: {
        title: "Home",
        description: "The home page"
    },
    blog: {
        title: "Blog",
        description: "Our blog"
    }
};

$.each(pages, function(key, value) {
    value.file = key + ".html";
    value.url = "/" + key;
}

Adding these derived properties to the object feels redundant. Yet, passing around the value instead of the key makes it necessary to include them. One possible solution would be:

var pages = {
    home: {
        title: "Home",
        description: "The home page"
    },
    blog: {
        title: "Blog",
        description: "Our blog"
    }
};

$.each(pages, function(key, value) {
    value.jsonKey = key;
}

Having three different approaches, I'm not fully satisfied with any of them. I believe this is a common issue in programming. How do you usually tackle this problem, especially when the derived attribute is required in multiple instances?

javascript json attributes derived

Answer 1

Answer №1

Consider storing pages as a collection of objects rather than a single object with properties. This approach offers better logical consistency and addresses concerns about redundancy.

let pages = [
    {
        id: 'home'
        title: "Home",
        content: "The main page",
    },
    {
        id: 'blog',
        title: "Blog",
        content: "Explore our blog posts",
    }
];

Furthermore, you can define classes for page objects and implement methods that calculate derived properties (perhaps caching them for efficient repeated access). However, for simple string manipulations, this may be considered unnecessary.

Answer 2

Consider storing pages as a collection of objects rather than a single object with properties. This approach offers better logical consistency and addresses concerns about redundancy.

let pages = [
    {
        id: 'home'
        title: "Home",
        content: "The main page",
    },
    {
        id: 'blog',
        title: "Blog",
        content: "Explore our blog posts",
    }
];

Furthermore, you can define classes for page objects and implement methods that calculate derived properties (perhaps caching them for efficient repeated access). However, for simple string manipulations, this may be considered unnecessary.

Answer 3

Answer №2

What is the benefit of duplicating data in another format when you already have it in one form (your key)? In my view, it's unnecessary to choose either option, as you can always retrieve the file and url for a specific page directly from the page.key.

Answer 4

What is the benefit of duplicating data in another format when you already have it in one form (your key)? In my view, it's unnecessary to choose either option, as you can always retrieve the file and url for a specific page directly from the page.key.

Navigating attributes originating from the key in JSON: A guide to effective management

Answer №1

Answer №2

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