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refactor: increase readability 

split logic into variables and add comments
pull/12043/head
Nikita Revenco 2024-12-20 12:23:53 +00:00
parent d4e4049ab7
commit ef2b035e01
1 changed files with 16 additions and 8 deletions
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18
helix-core/src/case_conversion.rs
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@ -63,15 +63,23 @@ pub fn separator_case_conversion(
let mut prev: Option<char> = None; let mut prev: Option<char> = None;
for c in text.skip_while(|ch| ch.is_whitespace()) { for c in text.skip_while(|ch| ch.is_whitespace()) {
if c.is_alphanumeric() { if !c.is_alphanumeric() {
if prev.is_some_and(|p| p.is_lowercase()) && c.is_uppercase() prev = Some(c);
|| !prev.is_some_and(|p| p.is_alphanumeric()) && !buf.is_empty() continue;
{ }
// "camelCase" => transition at 'l' -> 'C'
let has_camel_transition = prev.is_some_and(|p| p.is_lowercase()) && c.is_uppercase();
// "email@somewhere" => transition at 'l' -> '@'
// first character must not be separator, e.g. @emailSomewhere should not become -email-somewhere
let has_alphanum_transition = !prev.is_some_and(|p| p.is_alphanumeric()) && !buf.is_empty();
if has_camel_transition || has_alphanum_transition {
buf.push(separator); buf.push(separator);
} }
buf.push(c.to_ascii_lowercase()); buf.push(c.to_ascii_lowercase());
}
prev = Some(c); prev = Some(c);
} }
} }