JSON "light" template?

[tleunen]

Hi,

I'm thinking about creating a new JSON template, but without all the duplicates values for each sprite. What do you think of this?

{
    "image": "nested/dir/spritesheet.png",
    "w": 80,
    "h": 100
    "sprites": {
        "sprite1": {
            "x": 0,
            "y": 0,
            "w": 10,
            "h": 20
        },
        "sprite2": {
            "x": 0,
            "y": 0,
            "w": 10,
            "h": 20
        }
    }
}

And also, what do you think of removing the "spaces" param of the stringify function?

[twolfson]

Can you explain the use case for this?

As for stringify, I would rather make it possible to have a default of 4 but be able to override (e.g. null for no spaces)

[twolfson]

In fact, it might we could probably allow for custom iterator for JSON.stringify via cssOpts which would allow you to strip down the JSON to your liking.

[twolfson]

but still please explain your use case =)

[tleunen]

I don't really have a usecase. I use the JSON format when I need to dynamically download some assets and display them in an application. But with the current format, there are a lot of "duplicates" values, which cause the filesize to be bigger. If we can save a bit, it's always a good thing ;)

For the custom iterator, if you're talking about implementing a custom "toJSON", then yes it will work, and it's even a better solution as it will allow everyone to implement their own JSON without creating a new template.

[twolfson]

JSON.stringify accepts an iterator (replacer in the docs) for stringifying as its second parameter. That is what I was referring to.

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/stringify

For your semi-use case, I would suggest composing the output from grunt-spritesmith via JSON grunt tasks:

https://npmjs.org/package/grunt-json-massager

https://npmjs.org/package/grunt-json-minify

https://npmjs.org/package/grunt-json-replace

http://gruntjs.com/plugins/json-

I am going to close this issue for now until it gains more critical mass from others.

[tleunen]

I think the replacer just allows you to modify a value for a certain property, not to completely rewrite the json.

But yep, I can read the output and modify it to be in the form in which I need, but this will add an additionnal step. I can also create a custom template and create the json I need before using stringify.