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lib/lua: deprecate old Lua helpers superseded by toLuaObject

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raf 2025-04-06 02:19:13 +03:00
parent 028bdc522c
commit dade4b6ed6
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1 changed files with 9 additions and 39 deletions
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48
lib/lua.nix
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@ -1,8 +1,8 @@
# Helpers for converting values to lua
{lib}: let
inherit (builtins) hasAttr head throw typeOf isList isAttrs isBool isInt isString isPath isFloat toJSON;
inherit (lib.attrsets) mapAttrsToList filterAttrs;
inherit (lib.strings) concatStringsSep concatMapStringsSep stringToCharacters concatLines;
inherit (builtins) head throw typeOf isList isAttrs isBool isInt isString isPath isFloat toJSON;
inherit (lib.attrsets) mapAttrsToList filterAttrs hasAttr;
inherit (lib.strings) concatStringsSep concatMapStringsSep stringToCharacters;
inherit (lib.trivial) boolToString warn;
in rec {
# Convert a null value to lua's nil
@ -11,43 +11,13 @@ in rec {
then "nil"
else "'${value}'";
# convert an expression to lua
expToLua = exp:
if isList exp
then listToLuaTable exp # if list, convert to lua table
else if isAttrs exp
then attrsetToLuaTable exp # if attrs, convert to table
else if isBool exp
then boolToString exp # if bool, convert to string
else if isInt exp
then toString exp # if int, convert to string
else if exp == null
then "nil"
else (toJSON exp); # otherwise jsonify the value and print as is
# convert list to a lua table
listToLuaTable = list:
"{ " + (concatStringsSep ", " (map expToLua list)) + " }";
# convert attrset to a lua table
attrsetToLuaTable = attrset:
"{ "
+ (
concatStringsSep ", "
(
mapAttrsToList (
name: value:
name
+ " = "
+ (expToLua value)
)
attrset
)
)
+ " }";
# Convert a list of lua expressions to a lua table. The difference to listToLuaTable is that the elements here are expected to be lua expressions already, whereas listToLuaTable converts from nix types to lua first
luaTable = items: ''{${concatStringsSep "," items}}'';
expToLua = exp: builtins.warn "expToLua is deprecated, please use toLuaObject instead" (toLuaObject exp);
listToLuaTable = exp: builtins.warn "listToLuaTable is deprecated, please use toLuaObject instead" (toLuaObject exp);
attrsetToLuaTable = exp: builtins.warn "attrsetToLuaTable is deprecated, please use toLuaObject instead" (toLuaObject exp);
luaTable = exp: builtins.warn "luaTable is deprecated, please use toLuaObject instead" (toLuaObject exp);
# Check if the given object is a Lua inline object.
# isLuaInline :: AttrSet -> Bool
isLuaInline = object: (object._type or null) == "lua-inline";
toLuaObject = args: