!function(e, n) {
  "object" == typeof exports && "undefined" != typeof module ? n(exports, require("execall2")) : "function" == typeof define && define.amd ? define([ "exports", "execall2" ], n) : n((e = "undefined" != typeof globalThis ? globalThis : e || self).BlankLine = {}, e.execall2);
}(this, (function(e, n) {
  "use strict";
  const t = "\n";
  function normalize(e) {
    return String(e).replace(/\r\n|\r(?!\n)|\n/g, t).replace(/\uFEFF/g, "").replace(/[  \xA0]/g, " ").replace(/[ \t　\xA0\u3000]+\n/g, "\n").replace(/^\n+|[\s　\xA0\u3000]+$/g, "");
  }
  function getBlankLine(e, t = {}) {
    let l = n.execall(/\n+/g, normalize(e));
    if (l.length) {
      let e = l.reduce((function(e, n) {
        return e.push(n.match.length), e;
      }), []);
      return t.filter && (e = e.filter((function(e, n, t) {
        return t.indexOf(e) == n;
      }))), t.sort && e.sort((function(e, n) {
        return e - n;
      })), e;
    }
    return null;
  }
  function getMinMidMax(e) {
    let n = getBlankLine(e, {
      filter: !0,
      sort: !0
    });
    if (null == n || !n.length) return [ null, null, null ];
    let t = n[0] || null;
    return [ t, n[1] || t, n[n.length - 1] || t ];
  }
  e.default = getMinMidMax, e.getBlankLine = getBlankLine, e.getMinMidMax = getMinMidMax, 
  e.normalize = normalize, Object.defineProperty(e, "__esModule", {
    value: !0
  });
}));
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