52 lines
1.7 KiB
Rust
52 lines
1.7 KiB
Rust
use crate::{transform, uppercase};
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/// This trait defines a shouty kebab case conversion.
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///
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/// In SHOUTY-KEBAB-CASE, word boundaries are indicated by hyphens and all
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/// words are in uppercase.
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///
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/// ## Example:
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///
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/// ```rust
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/// use heck::ShoutyKebabCase;
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///
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/// let sentence = "We are going to inherit the earth.";
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/// assert_eq!(sentence.to_shouty_kebab_case(), "WE-ARE-GOING-TO-INHERIT-THE-EARTH");
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/// ```
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pub trait ShoutyKebabCase: ToOwned {
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/// Convert this type to shouty kebab case.
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fn to_shouty_kebab_case(&self) -> Self::Owned;
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}
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impl ShoutyKebabCase for str {
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fn to_shouty_kebab_case(&self) -> Self::Owned {
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transform(self, uppercase, |s| s.push('-'))
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}
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}
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#[cfg(test)]
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mod tests {
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use super::ShoutyKebabCase;
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macro_rules! t {
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($t:ident : $s1:expr => $s2:expr) => {
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#[test]
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fn $t() {
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assert_eq!($s1.to_shouty_kebab_case(), $s2)
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}
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};
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}
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t!(test1: "CamelCase" => "CAMEL-CASE");
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t!(test2: "This is Human case." => "THIS-IS-HUMAN-CASE");
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t!(test3: "MixedUP CamelCase, with some Spaces" => "MIXED-UP-CAMEL-CASE-WITH-SOME-SPACES");
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t!(test4: "mixed_up_ snake_case with some _spaces" => "MIXED-UP-SNAKE-CASE-WITH-SOME-SPACES");
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t!(test5: "kebab-case" => "KEBAB-CASE");
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t!(test6: "SHOUTY_SNAKE_CASE" => "SHOUTY-SNAKE-CASE");
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t!(test7: "snake_case" => "SNAKE-CASE");
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t!(test8: "this-contains_ ALLKinds OfWord_Boundaries" => "THIS-CONTAINS-ALL-KINDS-OF-WORD-BOUNDARIES");
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t!(test9: "XΣXΣ baffle" => "XΣXΣ-BAFFLE");
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t!(test10: "XMLHttpRequest" => "XML-HTTP-REQUEST");
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t!(test11: "SHOUTY-KEBAB-CASE" => "SHOUTY-KEBAB-CASE");
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}
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