html.nix/tags.nix

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{utils}: let
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inherit (utils) concatStrings mapAttrsToList genAttrs isAttrs isList range toString;
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evalAttrs = attrs: concatStrings (mapAttrsToList (name: value: " ${name}=\"${value}\"") attrs);
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evalChildren = children:
if isList children
then concatStrings children
else children;
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tag = name: maybeAttrs:
if isAttrs maybeAttrs
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then (children: "<${name}${evalAttrs maybeAttrs}>${evalChildren children}</${name}>")
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else tag name {} maybeAttrs;
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noChildrenTag = name: attrs: "<${name} ${evalAttrs attrs}>";
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tagsToGen = ["html" "head" "body" "div" "p" "a" "title" "code" "pre" "nav" "article"] ++ (map (n: "h${toString n}") (range 1 6));
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tags = genAttrs tag tagsToGen;
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noChildrenTagsToGen = ["link" "meta"];
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noChildrenTags = genAttrs noChildrenTag noChildrenTagsToGen;
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in
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tags
// noChildrenTags
// {
inherit tag;
mkLink = url: tags.a {href = url;};
mkStylesheet = url:
noChildrenTags.link {
rel = "stylesheet";
href = url;
};
}