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lib: Improve KDL generator (#7429)

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This adds support for generating ordered children and nodes with
attributes and/or properties but no children. These are both needed to
generate zellij keybinding configuration.
This commit is contained in:
Quentin Smith 2025-07-12 15:32:14 -04:00 • committed by GitHub
parent ae62fd8ad8
commit ea24675e4f
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3 changed files with 42 additions and 24 deletions
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48
modules/lib/generators.nix
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@ -116,34 +116,34 @@
convertAttrsToKDL =
name: attrs:
let
optArgsString = lib.optionalString (attrs ? "_args") (
lib.pipe attrs._args [
(map literalValueToString)
(lib.concatStringsSep " ")
(s: s + " ")
]
optArgs = map literalValueToString (attrs._args or [ ]);
optProps = lib.mapAttrsToList (name: value: "${name}=${literalValueToString value}") (
attrs._props or { }
);
optPropsString = lib.optionalString (attrs ? "_props") (
lib.pipe attrs._props [
(lib.mapAttrsToList (name: value: "${name}=${literalValueToString value}"))
(lib.concatStringsSep " ")
(s: s + " ")
]
);
orderedChildren = lib.pipe (attrs._children or [ ]) [
(map (child: mapAttrsToList convertAttributeToKDL child))
lib.flatten
];
unorderedChildren = lib.pipe attrs [
(lib.filterAttrs (
name: _:
!(elem name [
"_args"
"_props"
"_children"
])
))
(mapAttrsToList convertAttributeToKDL)
];
children = orderedChildren ++ unorderedChildren;
optChildren = lib.optional (children != [ ]) ''
{
${indentStrings children}
}'';
children = lib.filterAttrs (
name: _:
!(elem name [
"_args"
"_props"
])
) attrs;
in
''
${name} ${optArgsString}${optPropsString}{
${indentStrings (mapAttrsToList convertAttributeToKDL children)}
}'';
lib.concatStringsSep " " ([ name ] ++ optArgs ++ optProps ++ optChildren);
# List Conversion
# String -> ListOf (OneOf [Int Float String Bool Null]) -> String