import { parseLine as f, createLineData as s } from "./parser.js";
function d(l, i = " ") {
  let r = s(null, i);
  const t = {
    ended: !1,
    clone() {
      return d(l.clone(), i);
    },
    async next() {
      if (r.line = await l.next(), r.line === null)
        return !0;
      f(r);
    },
    current() {
      return t;
    },
    line() {
      var e;
      return (e = r.line) == null ? void 0 : e.slice(r.offsetHead);
    },
    head() {
      var e;
      return (e = r.line) == null ? void 0 : e.slice(r.offsetHead, r.offsetTail);
    },
    tail() {
      var e;
      return (e = r.line) == null ? void 0 : e.slice(r.offsetTail);
    },
    level() {
      return r.level;
    },
    async content(e = -1, n = []) {
      var u;
      return e === -1 && (e = r.level + 1), await t.next() || r.level < e ? n : (n.push(((u = r.line) == null ? void 0 : u.slice(e)) || ""), t.content(e, n));
    },
    async seek(e, n = -1) {
      return n === -1 && (n = r.level), await t.next() ? !1 : t.head() === e ? t : r.level < n ? !1 : t.seek(e, n);
    }
  };
  return t;
}
export {
  d as useDocument
};