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lib.generators.toLua: allow disabling multiline

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This commit is contained in:
Mykola Orliuk 2023-04-23 19:35:52 +02:00
parent a48fd10c86
commit e9b416168a
2 changed files with 23 additions and 10 deletions
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24
lib/generators.nix
View file

@ -432,6 +432,7 @@ ${expr "" v}
Lua-inlines that can be construted by mkLuaInline function.
Configuration:
* multiline - by default is true which results in indented block-like view.
* indent - initial indent.
Attention:
@ -459,12 +460,19 @@ ${expr "" v}
Type:
toLua :: AttrSet -> Any -> String
*/
toLua = { indent ? "" }@args: v:
toLua = {
/* If this option is true, the output is indented with newlines for attribute sets and lists */
multiline ? true,
/* Initial indentation level */
indent ? ""
}@args: v:
with builtins;
let
indent' = "${indent} ";
args' = args // { indent = indent'; };
concatItems = concatStringsSep ",\n";
innerIndent = "${indent} ";
introSpace = if multiline then "\n${innerIndent}" else " ";
outroSpace = if multiline then "\n${indent}" else " ";
innerArgs = args // { indent = innerIndent; };
concatItems = concatStringsSep ",${introSpace}";
isLuaInline = { _type ? null, ... }: _type == "lua-inline";
in
if v == null then
@ -473,7 +481,7 @@ ${expr "" v}
builtins.toJSON v
else if isList v then
(if v == [ ] then "{}" else
"{\n${concatItems (map (value: "${indent'}${toLua args' value}") v)}\n${indent}}")
"{${introSpace}${concatItems (map (value: "${toLua innerArgs value}") v)}${outroSpace}}")
else if isAttrs v then
(
if isLuaInline v then
@ -481,9 +489,9 @@ ${expr "" v}
else if v == { } then
"{}"
else
"{\n${concatItems (
lib.attrsets.mapAttrsToList (key: value: "${indent'}[${builtins.toJSON key}] = ${toLua args' value}") v
)}\n${indent}}"
"{${introSpace}${concatItems (
lib.attrsets.mapAttrsToList (key: value: "[${builtins.toJSON key}] = ${toLua innerArgs value}") v
)}${outroSpace}}"
)
else
abort "generators.toLua: type ${typeOf v} is unsupported";

9
lib/tests/misc.nix
View file

@ -950,13 +950,18 @@ runTests {
};
testToLuaAttrsetWithSpaceInKey = {
expr = generators.toLua {} { "some space and double-quote (\")" = generators.mkLuaInline ''"abc" .. "def"''; };
expr = generators.toLua {} { "some space and double-quote (\")" = 42; };
expected = ''
{
["some space and double-quote (\")"] = ("abc" .. "def")
["some space and double-quote (\")"] = 42
}'';
};
testToLuaWithoutMultiline = {
expr = generators.toLua { multiline = false; } [ 41 43 ];
expected = ''{ 41, 43 }'';
};
testToLuaBasicExample = {
expr = generators.toLua {} {
cmd = [ "typescript-language-server" "--stdio" ];