45 lines
1003 B
Nix
45 lines
1003 B
Nix
rec {
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#############################################################################
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# Helpers
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# Source: https://github.com/NixOS/nixpkgs/blob/d61bc96d16ca288c69b798b8e31eca64050098e3/lib/lists.nix
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foldr = op: nul: list:
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let
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len = builtins.length list;
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fold' = n:
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if n == len
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then nul
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else op (builtins.elemAt list n) (fold' (n + 1));
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in
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fold' 0;
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concatMap = op: list:
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let
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concat = (a: b: op a + b);
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in
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foldr concat "" list;
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############################################################################
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# Configs
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optional = cond: val:
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let
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def =
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if builtins.isList val then [ ]
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else if builtins.isString val then ""
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else null;
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in
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if cond then val else def;
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#############################################################################
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# Lua
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mkLuaHeredoc = content: ''
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lua << EOF
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${content}
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EOF
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'';
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mkLuaRc = contents: concatMap mkLuaHeredoc contents;
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}
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