locutus/esm/golang/sort/StringsAreSorted.js

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

export function StringsAreSorted(a) {
    //      discuss at: https://locutus.io/golang/sort/StringsAreSorted
    // parity verified: Go 1.23
    //     original by: Kevin van Zonneveld (https://kvz.io)
    //       example 1: StringsAreSorted(['a', 'b', 'c'])
    //       returns 1: true
    //       example 2: StringsAreSorted(['a', 'c', 'b'])
    //       returns 2: false
    //       example 3: StringsAreSorted(['only'])
    //       returns 3: true
    for (let i = 1; i < a.length; i += 1) {
        const previous = a[i - 1];
        const current = a[i];
        if (previous === undefined || current === undefined) {
            continue;
        }
        if (previous > current) {
            return false;
        }
    }
    return true;
}