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Merge pull request #226 from horriblename/fix-lua-null-conversion

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Fix lua null conversion
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raf 2024-02-17 21:16:38 +00:00 committed by GitHub
commit cd4d0cd63d
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1 changed files with 5 additions and 3 deletions
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8
lib/lua.nix
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@ -1,7 +1,7 @@
# Helpers for converting values to lua # Helpers for converting values to lua
{lib}: let {lib}: let
inherit (lib) mapAttrsToList filterAttrs concatStringsSep concatMapStringsSep stringToCharacters boolToString; inherit (lib) mapAttrsToList filterAttrs concatStringsSep concatMapStringsSep stringToCharacters boolToString;
inherit (builtins) hasAttr head; inherit (builtins) hasAttr head throw typeOf;
in rec { in rec {
# Convert a null value to lua's nil # Convert a null value to lua's nil
nullString = value: nullString = value:
@ -19,6 +19,8 @@ in rec {
then lib.boolToString exp # if bool, convert to string then lib.boolToString exp # if bool, convert to string
else if builtins.isInt exp else if builtins.isInt exp
then builtins.toString exp # if int, convert to string then builtins.toString exp # if int, convert to string
else if exp == null
then "nil"
else (builtins.toJSON exp); # otherwise jsonify the value and print as is else (builtins.toJSON exp); # otherwise jsonify the value and print as is
# convert list to a lua table # convert list to a lua table
@ -80,7 +82,7 @@ in rec {
then "${toString args}" then "${toString args}"
else if builtins.isInt args else if builtins.isInt args
then "${toString args}" then "${toString args}"
else if (args != null) else if (args == null)
then "nil" then "nil"
else ""; else throw "could not convert object of type `${typeOf args}` to lua object";
} }