Oriol.sprite fun

[osenan]

This includes two new functions addsvg_sprite and rmsvg_sprite that add the functionality to easily edit sprite maps, add or remove svgs to the sprite map. It is motivated by this issue:

#226

To read, parse and edit the svg files it is necessary the xml2 package, so I have edited the DESCRIPTION and added as suggested packages. Documentation and tests have also been added.

DoD

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[osenan]

Thank you for your comments. Finally I have adressed all changes. Only instead of putting one app in examples I have put more examples in the function directly. I did it this way because these new functions are helper functions and are not directly components of a Shiny App. Building an example app does not show its functionality, while showing more examples in documentation it does.

[jchojna]

Great work, tested it and the sprite map gets generated and works fine! The only thing I miss is some UI function to add svg DOM node. An example function:

svg_icon <- function(path_to_sprite_map, id, class = "", style = "") {
    HTML(glue::glue("
        <svg
            class = '{class}',
            style = '{style}',
            viewBox = '0 0 <calculated width> <calculated height>'
        >
            <use href = '{path_to_sprite_map}#{id}'></use>
        </svg>"
    ))
}

svg_icon("temp.svg", "appsilon_logo", "test-svg", "fill: red;")

I didn't test this function, but briefly this is how I would imagine that

[osenan]

Hi @jchojna I agree with you that to close this issue we could add a function to insert sprite maps easily on the UI. Consequently we should also write an example app using it.