locutus/esm/tcl/string/compare.js

Locutus other languages' standard libraries to JavaScript for fun and educational purposes

export function compare(str1, str2) {
    //      discuss at: https://locutus.io/tcl/compare/
    // parity verified: Tcl 8.6
    //     original by: Kevin van Zonneveld (https://kvz.io)
    //       example 1: compare('abc', 'abc')
    //       returns 1: 0
    //       example 2: compare('abc', 'abd')
    //       returns 2: -1
    //       example 3: compare('abd', 'abc')
    //       returns 3: 1
    const left = String(str1);
    const right = String(str2);
    if (left === right) {
        return 0;
    }
    return left < right ? -1 : 1;
}