klz-cables.com/.pnpm-store/v10/files/ca/d6a413dbac9e42214d85abfea64c70d319d7228d09795c103c6b24eb598a0581f703579354e39cc21dd1caf10f838fc3d2851595ccaa1037ade8de6512e4ea

export const balanced = (a, b, str) => {
    const ma = a instanceof RegExp ? maybeMatch(a, str) : a;
    const mb = b instanceof RegExp ? maybeMatch(b, str) : b;
    const r = ma !== null && mb != null && range(ma, mb, str);
    return (r && {
        start: r[0],
        end: r[1],
        pre: str.slice(0, r[0]),
        body: str.slice(r[0] + ma.length, r[1]),
        post: str.slice(r[1] + mb.length),
    });
};
const maybeMatch = (reg, str) => {
    const m = str.match(reg);
    return m ? m[0] : null;
};
export const range = (a, b, str) => {
    let begs, beg, left, right = undefined, result;
    let ai = str.indexOf(a);
    let bi = str.indexOf(b, ai + 1);
    let i = ai;
    if (ai >= 0 && bi > 0) {
        if (a === b) {
            return [ai, bi];
        }
        begs = [];
        left = str.length;
        while (i >= 0 && !result) {
            if (i === ai) {
                begs.push(i);
                ai = str.indexOf(a, i + 1);
            }
            else if (begs.length === 1) {
                const r = begs.pop();
                if (r !== undefined)
                    result = [r, bi];
            }
            else {
                beg = begs.pop();
                if (beg !== undefined && beg < left) {
                    left = beg;
                    right = bi;
                }
                bi = str.indexOf(b, i + 1);
            }
            i = ai < bi && ai >= 0 ? ai : bi;
        }
        if (begs.length && right !== undefined) {
            result = [left, right];
        }
    }
    return result;
};
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