c4patino/nixpkgs
1
0
Fork 0
mirror of https://github.com/NixOS/nixpkgs.git synced 2026-07-06 17:13:24 -05:00
Code Issues Projects Releases Packages Wiki Activity

lib.strings: remove throwIfNot usage

Browse source 
throwIfNot sends our error message through a function call, even if the
error condition doesn't trigger. This requires a lot of thunk allocation
that can be easily avoided.
This commit is contained in:
Eman Resu 2026-05-26 13:38:47 -04:00
commit ed29e1b031
1 changed files with 12 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

24
lib/strings.nix
View file

@ -1589,15 +1589,14 @@ rec {
*/
toSentenceCase =
str:
lib.throwIfNot (isString str)
"toSentenceCase does only accepts string values, but got ${typeOf str}"
(
let
firstChar = substring 0 1 str;
rest = substring 1 (-1) str; # -1 takes till the end of the string
in
toUpper firstChar + toLower rest
);
if !isString str then
throw "toSentenceCase does only accepts string values, but got ${typeOf str}"
else
let
firstChar = substring 0 1 str;
rest = substring 1 (-1) str; # -1 takes till the end of the string
in
toUpper firstChar + toLower rest;
/**
Converts a string to camelCase. Handles snake_case, PascalCase,
@ -1633,7 +1632,9 @@ rec {
*/
toCamelCase =
str:
lib.throwIfNot (isString str) "toCamelCase does only accepts string values, but got ${typeOf str}" (
if !isString str then
throw "toCamelCase does only accepts string values, but got ${typeOf str}"
else
let
separators = splitStringBy (
prev: curr:
@ -1653,8 +1654,7 @@ rec {
first = if length parts > 0 then toLower (head parts) else "";
rest = if length parts > 1 then map toSentenceCase (tail parts) else [ ];
in
concatStrings ([ first ] ++ rest)
);
concatStrings ([ first ] ++ rest);
/**
Appends string context from string like object `src` to `target`.