azusa

Transform string index from UTF-8 in Rust to UTF-16 in JavsScript.

Usage

use azusa::Azusa;

let text = "c😅é文";
let transformer = Azusa::new(text.into());

let utf8_range_in_rust = (1, 5);
let utf16_range_in_js = (1, 3);
assert_eq!(
    transformer.utf8_to_utf16(utf8_range_in_rust),
    utf16_range_in_js
);

// In javascript: text.slice(1, 3) === "😅"

License

MIT