!function(t, r) {
  "object" == typeof exports && "undefined" != typeof module ? r(exports, require("runes2"), require("es6-class-prototype")) : "function" == typeof define && define.amd ? define([ "exports", "runes2", "es6-class-prototype" ], r) : r((t = "undefined" != typeof globalThis ? globalThis : t || self).UniString = {}, t.runes2, t.es6ClassPrototype);
}(this, (function(t, r, e) {
  "use strict";
  const i = Object.getOwnPropertyNames(String.prototype);
  class UString extends String {
    _arr=null;
    constructor(t, ...r) {
      super(t);
      let e = Object.getOwnPropertyDescriptor(this, "_arr");
      Object.defineProperty(this, "_arr", Object.assign(e, {
        configurable: !0,
        enumerable: !1
      }));
    }
    [Symbol.iterator]() {
      return UString.toArray(this)[Symbol.iterator]();
    }
    static isString(t) {
      return "string" == typeof t || t instanceof String;
    }
    static toArray(t) {
      return t instanceof UString ? t.toArray() : r.runes(String(t));
    }
    toArray() {
      return this._arr || (this._arr = r.runes(String(this))), this._arr;
    }
    split(t, r) {
      let e, i = String(this);
      return "" === t ? (e = UString.toArray(this), void 0 !== r && (e = e.slice(0, r))) : e = String.prototype.split.call(i, t, r), 
      e;
    }
    substr(t, r) {
      return UString.toArray(this).slice(t).slice(0, r).join("");
    }
    substring(t, r) {
      return (Number.isNaN(t) || t < 0) && (t = 0), "number" == typeof r && ((Number.isNaN(r) || r < 0) && (r = 0), 
      t > r && ([t, r] = [ r, t ])), this.slice(t, r);
    }
    indexOf(t, r = 0) {
      let e = UString.toArray(this);
      if (r = Math.max(0, Math.min(e.length, r)), "" === (t = String(t))) return r;
      e = e.slice(r);
      let i = UString.toArray(t), n = 0, s = 0, a = i[i.length - 1];
      do {
        if (n = e.indexOf(i[0], s), -1 !== n) {
          if (e.slice(n, n + i.length).join("") === t) return r + n;
          s = n, i.length > 1 && (n = e.indexOf(a, n + 1), s = n - i.length);
        }
        s++;
      } while (-1 !== n && s < e.length);
      return -1;
    }
    includes(t, r = 0) {
      return -1 !== UString.toArray(this).slice(r).join("").indexOf(t);
    }
    slice(t, r) {
      return UString.toArray(this).slice(t, r).join("");
    }
    charAt(t) {
      return this.substr(t, 1);
    }
    startsWith(t, r) {
      return 0 === this.substr(!r || r < 0 ? 0 : +r, t.length).indexOf(t);
    }
    endsWith(t, r) {
      let e = UString.toArray(this), i = UString.toArray(t);
      return (void 0 === r || r > e.length) && (r = e.length), this.substring(r - i.length, r) === t;
    }
    padEnd(t, r) {
      t >>= 0, r = String(void 0 !== r ? r : " ");
      let e = this.split(""), i = this.split.call(r, "");
      return e.length > t ? String(this) : ((t -= e.length) > i.length && (r += r.repeat(t / i.length), 
      i = new UString(r)), String(this) + i.slice(0, t));
    }
    padStart(t, r) {
      t >>= 0, r = String(void 0 !== r ? r : " ");
      let e = this.split(""), i = this.split.call(r, "");
      return e.length > t ? String(this) : ((t -= e.length) > i.length && (r += r.repeat(t / i.length), 
      i = new UString(r)), i.slice(0, t) + String(this));
    }
    codePointAt(t) {
      return this.toArray()[t].codePointAt(0);
    }
    static UString=UString;
    static default=UString;
    static create(t, ...r) {
      return new this(t, ...r);
    }
    static get support() {
      let t = e.classPrototype(this);
      return Object.keys(t).reduce((function(t, r) {
        return i.includes(r) && (t[r] = !0), t;
      }), {});
    }
    static indexOf(t, r, e = 0) {
      return this.create(t).indexOf(r, e);
    }
    static includes(t, r, e = 0) {
      return this.create(t).includes(r, e);
    }
    static split(t, r, e) {
      return this.create(t).split(r, e);
    }
    static substr(t, r, e) {
      return this.create(t).substr(r, e);
    }
    static substring(t, r, e) {
      return this.create(t).substring(r, e);
    }
    static slice(t, r, e) {
      return this.create(t).slice(r, e);
    }
    static charAt(t, r) {
      return this.create(t).charAt(r);
    }
    static padEnd(t, r, e) {
      return this.create(t).padEnd(r, e);
    }
    static padStart(t, r, e) {
      return this.create(t).padStart(r, e);
    }
    static startsWith(t, r, e) {
      return this.create(t).startsWith(r, e);
    }
    static endsWith(t, r, e) {
      return this.create(t).endsWith(r, e);
    }
    get charLength() {
      return UString.toArray(this).length;
    }
    size() {
      return UString.toArray(this).length;
    }
    static size(t) {
      return this.create(t).size();
    }
    static codePointAt(t, r) {
      return this.create(t).codePointAt(r);
    }
  }
  Object.defineProperty(UString, "UString", {
    value: UString
  }), Object.defineProperty(UString, "default", {
    value: UString
  }), Object.defineProperty(UString, "__esModule", {
    value: !0
  }), t.STRING_PROTOTYPE = i, t.UString = UString, t.default = UString, Object.defineProperty(t, "__esModule", {
    value: !0
  });
}));
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