A Rhai little function to title case strings

to-title-case.rhai.rs

// Meilisearch is setting the document for you, this way.

// Note we use the rhai.rs file extension to benefit from
// the Rust Syntax Highlighting only, it's Rhai nothing more.

let doc = #{ title: "star wars" };
print(doc);

// -- script starts here --

fn to_title_case() {
    let title_cased = "";
    let must_upper_case = true;

    for c in this.to_chars() {
        if c == " " {
            must_upper_case = true;
            title_cased += " ";
        } else if must_upper_case {
            title_cased += c.to_upper();
            must_upper_case = false;
        } else {
            title_cased += c.to_lower();
        }
    }
    this = title_cased;
}

doc.title.to_title_case();

// -- and ends here --

print(doc);