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/// Converts string to camel case.
///
/// # Arguments
///
/// * `s` - The string to convert.
///
/// # Returns
///
/// Returns the camel cased string.
///
/// # Examples
///
/// ```
/// use rufl::string;
///
/// assert_eq!("fooBar", string::camel_case("Foo Bar"));
///
/// assert_eq!("fooBar", string::camel_case("fooBar".to_string()));
///
/// assert_eq!("fooBar", string::camel_case("__FOO_BAR__"));
///
/// ```
pub fn camel_case(s: impl AsRef<str>) -> String {
match s.as_ref().len() {
0 => s.as_ref().to_string(),
_ => crate::string::split_words(s)
.into_iter()
.enumerate()
.map(|(i, item)| match i {
0 => item.to_lowercase(),
_ => crate::string::capitalize(item),
})
.collect::<Vec<String>>()
.join(""),
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_camel_case() {
assert_eq!("fooBar", camel_case("fooBar"));
assert_eq!("fooBar", camel_case("Foo Bar"));
assert_eq!("fooBar", camel_case("__FOO_BAR__"));
assert_eq!("fooBar123", camel_case("foo-bar123"));
assert_eq!("foo11Bar", camel_case("Foo-#1😄$_%^&*(1bar"));
}
}