@webwriter/geogebra/dist/widgets/webwriter-geogebra-classic.js

Use the mathematics learning apps of GeoGebra for algebra and geometry.

var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __decorateClass = (decorators, target, key, kind) => {
  var result = kind > 1 ? void 0 : kind ? __getOwnPropDesc(target, key) : target;
  for (var i5 = decorators.length - 1, decorator; i5 >= 0; i5--)
    if (decorator = decorators[i5])
      result = (kind ? decorator(target, key, result) : decorator(result)) || result;
  if (kind && result) __defProp(target, key, result);
  return result;
};

// node_modules/@lit/reactive-element/decorators/custom-element.js
var t = (t5) => (e6, o6) => {
  void 0 !== o6 ? o6.addInitializer(() => {
    customElements.define(t5, e6);
  }) : customElements.define(t5, e6);
};

// node_modules/@lit/reactive-element/css-tag.js
var t2 = globalThis;
var e = t2.ShadowRoot && (void 0 === t2.ShadyCSS || t2.ShadyCSS.nativeShadow) && "adoptedStyleSheets" in Document.prototype && "replace" in CSSStyleSheet.prototype;
var s = Symbol();
var o = /* @__PURE__ */ new WeakMap();
var n = class {
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  get styleSheet() {
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  toString() {
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};
var r = (t5) => new n("string" == typeof t5 ? t5 : t5 + "", void 0, s);
var i = (t5, ...e6) => {
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    if ("number" == typeof t6) return t6;
    throw Error("Value passed to 'css' function must be a 'css' function result: " + t6 + ". Use 'unsafeCSS' to pass non-literal values, but take care to ensure page security.");
  })(s4) + t5[o7 + 1], t5[0]);
  return new n(o6, t5, s);
};
var S = (s4, o6) => {
  if (e) s4.adoptedStyleSheets = o6.map((t5) => t5 instanceof CSSStyleSheet ? t5 : t5.styleSheet);
  else for (const e6 of o6) {
    const o7 = document.createElement("style"), n6 = t2.litNonce;
    void 0 !== n6 && o7.setAttribute("nonce", n6), o7.textContent = e6.cssText, s4.appendChild(o7);
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};
var c = e ? (t5) => t5 : (t5) => t5 instanceof CSSStyleSheet ? ((t6) => {
  let e6 = "";
  for (const s4 of t6.cssRules) e6 += s4.cssText;
  return r(e6);
})(t5) : t5;

// node_modules/@lit/reactive-element/reactive-element.js
var { is: i2, defineProperty: e2, getOwnPropertyDescriptor: r2, getOwnPropertyNames: h, getOwnPropertySymbols: o2, getPrototypeOf: n2 } = Object;
var a = globalThis;
var c2 = a.trustedTypes;
var l = c2 ? c2.emptyScript : "";
var p = a.reactiveElementPolyfillSupport;
var d = (t5, s4) => t5;
var u = { toAttribute(t5, s4) {
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      t5 = t5 ? l : null;
      break;
    case Object:
    case Array:
      t5 = null == t5 ? t5 : JSON.stringify(t5);
  }
  return t5;
}, fromAttribute(t5, s4) {
  let i5 = t5;
  switch (s4) {
    case Boolean:
      i5 = null !== t5;
      break;
    case Number:
      i5 = null === t5 ? null : Number(t5);
      break;
    case Object:
    case Array:
      try {
        i5 = JSON.parse(t5);
      } catch (t6) {
        i5 = null;
      }
  }
  return i5;
} };
var f = (t5, s4) => !i2(t5, s4);
var y = { attribute: true, type: String, converter: u, reflect: false, hasChanged: f };
Symbol.metadata ??= Symbol("metadata"), a.litPropertyMetadata ??= /* @__PURE__ */ new WeakMap();
var b = class extends HTMLElement {
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  static createProperty(t5, s4 = y) {
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      const i5 = Symbol(), r7 = this.getPropertyDescriptor(t5, i5, s4);
      void 0 !== r7 && e2(this.prototype, t5, r7);
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  static getPropertyDescriptor(t5, s4, i5) {
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      return this[s4];
    }, set(t6) {
      this[s4] = t6;
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    return { get() {
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    }, set(s5) {
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      h4.call(this, s5), this.requestUpdate(t5, r7, i5);
    }, configurable: true, enumerable: true };
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  static getPropertyOptions(t5) {
    return this.elementProperties.get(t5) ?? y;
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  static _$Ei() {
    if (this.hasOwnProperty(d("elementProperties"))) return;
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  static finalize() {
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    const t5 = this[Symbol.metadata];
    if (null !== t5) {
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    return i5;
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  static _$Eu(t5, s4) {
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  constructor() {
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  _$Ev() {
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  addController(t5) {
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  removeController(t5) {
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  _$E_() {
    const t5 = /* @__PURE__ */ new Map(), s4 = this.constructor.elementProperties;
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  createRenderRoot() {
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  connectedCallback() {
    this.renderRoot ??= this.createRenderRoot(), this.enableUpdating(true), this._$EO?.forEach((t5) => t5.hostConnected?.());
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  enableUpdating(t5) {
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  disconnectedCallback() {
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  attributeChangedCallback(t5, s4, i5) {
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  _$EC(t5, s4) {
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  _$AK(t5, s4) {
    const i5 = this.constructor, e6 = i5._$Eh.get(t5);
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  requestUpdate(t5, s4, i5) {
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    false === this.isUpdatePending && (this._$ES = this._$ET());
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  async _$ET() {
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    const t5 = this.scheduleUpdate();
    return null != t5 && await t5, !this.isUpdatePending;
  }
  scheduleUpdate() {
    return this.performUpdate();
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  performUpdate() {
    if (!this.isUpdatePending) return;
    if (!this.hasUpdated) {
      if (this.renderRoot ??= this.createRenderRoot(), this._$Ep) {
        for (const [t7, s5] of this._$Ep) this[t7] = s5;
        this._$Ep = void 0;
      }
      const t6 = this.constructor.elementProperties;
      if (t6.size > 0) for (const [s5, i5] of t6) true !== i5.wrapped || this._$AL.has(s5) || void 0 === this[s5] || this.P(s5, this[s5], i5);
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    let t5 = false;
    const s4 = this._$AL;
    try {
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    } catch (s5) {
      throw t5 = false, this._$EU(), s5;
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    t5 && this._$AE(s4);
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  willUpdate(t5) {
  }
  _$AE(t5) {
    this._$EO?.forEach((t6) => t6.hostUpdated?.()), this.hasUpdated || (this.hasUpdated = true, this.firstUpdated(t5)), this.updated(t5);
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  _$EU() {
    this._$AL = /* @__PURE__ */ new Map(), this.isUpdatePending = false;
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  get updateComplete() {
    return this.getUpdateComplete();
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  getUpdateComplete() {
    return this._$ES;
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  shouldUpdate(t5) {
    return true;
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  update(t5) {
    this._$Ej &&= this._$Ej.forEach((t6) => this._$EC(t6, this[t6])), this._$EU();
  }
  updated(t5) {
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  firstUpdated(t5) {
  }
};
b.elementStyles = [], b.shadowRootOptions = { mode: "open" }, b[d("elementProperties")] = /* @__PURE__ */ new Map(), b[d("finalized")] = /* @__PURE__ */ new Map(), p?.({ ReactiveElement: b }), (a.reactiveElementVersions ??= []).push("2.0.4");

// node_modules/@lit/reactive-element/decorators/property.js
var o3 = { attribute: true, type: String, converter: u, reflect: false, hasChanged: f };
var r3 = (t5 = o3, e6, r7) => {
  const { kind: n6, metadata: i5 } = r7;
  let s4 = globalThis.litPropertyMetadata.get(i5);
  if (void 0 === s4 && globalThis.litPropertyMetadata.set(i5, s4 = /* @__PURE__ */ new Map()), s4.set(r7.name, t5), "accessor" === n6) {
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      e6.set.call(this, r8), this.requestUpdate(o6, n7, t5);
    }, init(e7) {
      return void 0 !== e7 && this.P(o6, void 0, t5), e7;
    } };
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  if ("setter" === n6) {
    const { name: o6 } = r7;
    return function(r8) {
      const n7 = this[o6];
      e6.call(this, r8), this.requestUpdate(o6, n7, t5);
    };
  }
  throw Error("Unsupported decorator location: " + n6);
};
function n3(t5) {
  return (e6, o6) => "object" == typeof o6 ? r3(t5, e6, o6) : ((t6, e7, o7) => {
    const r7 = e7.hasOwnProperty(o7);
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}

// node_modules/lit-html/lit-html.js
var t3 = globalThis;
var i3 = t3.trustedTypes;
var s2 = i3 ? i3.createPolicy("lit-html", { createHTML: (t5) => t5 }) : void 0;
var e4 = "$lit$";
var h2 = `lit$${Math.random().toFixed(9).slice(2)}$`;
var o4 = "?" + h2;
var n4 = `<${o4}>`;
var r4 = document;
var l2 = () => r4.createComment("");
var c3 = (t5) => null === t5 || "object" != typeof t5 && "function" != typeof t5;
var a2 = Array.isArray;
var u2 = (t5) => a2(t5) || "function" == typeof t5?.[Symbol.iterator];
var d2 = "[ 	\n\f\r]";
var f2 = /<(?:(!--|\/[^a-zA-Z])|(\/?[a-zA-Z][^>\s]*)|(\/?$))/g;
var v = /-->/g;
var _ = />/g;
var m = RegExp(`>|${d2}(?:([^\\s"'>=/]+)(${d2}*=${d2}*(?:[^ 	
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var p2 = /'/g;
var g = /"/g;
var $ = /^(?:script|style|textarea|title)$/i;
var y2 = (t5) => (i5, ...s4) => ({ _$litType$: t5, strings: i5, values: s4 });
var x = y2(1);
var b2 = y2(2);
var w = y2(3);
var T = Symbol.for("lit-noChange");
var E = Symbol.for("lit-nothing");
var A = /* @__PURE__ */ new WeakMap();
var C = r4.createTreeWalker(r4, 129);
function P(t5, i5) {
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var V = (t5, i5) => {
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    for (; y4 < s5.length && (c5.lastIndex = y4, u4 = c5.exec(s5), null !== u4); ) y4 = c5.lastIndex, c5 === f2 ? "!--" === u4[1] ? c5 = v : void 0 !== u4[1] ? c5 = _ : void 0 !== u4[2] ? ($.test(u4[2]) && (r7 = RegExp("</" + u4[2], "g")), c5 = m) : void 0 !== u4[3] && (c5 = m) : c5 === m ? ">" === u4[0] ? (c5 = r7 ?? f2, d4 = -1) : void 0 === u4[1] ? d4 = -2 : (d4 = c5.lastIndex - u4[2].length, a4 = u4[1], c5 = void 0 === u4[3] ? m : '"' === u4[3] ? g : p2) : c5 === g || c5 === p2 ? c5 = m : c5 === v || c5 === _ ? c5 = f2 : (c5 = m, r7 = void 0);
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};
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};
var R = class _R {
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