fast-string-compare/dist/index.js

A (much) faster String.prototype.localeCompare

/**
 * Compare two strings. This comparison is not linguistically accurate, unlike
 * String.prototype.localeCompare(), albeit stable.
 *
 * @returns -1, 0 or 1
 */
export function compare(a, b) {
    const lenA = a.length;
    const lenB = b.length;
    const minLen = lenA < lenB ? lenA : lenB;
    var i = 0;
    for (; i < minLen; ++i) {
        const ca = a.charCodeAt(i);
        const cb = b.charCodeAt(i);
        if (ca > cb)
            return 1;
        else if (ca < cb)
            return -1;
    }
    if (lenA === lenB)
        return 0;
    return lenA > lenB ? 1 : -1;
}
;