/*
 This Source Code Form is subject to the terms of the Mozilla Public
 License, v. 2.0. If a copy of the MPL was not distributed with this
 file, You can obtain one at http://mozilla.org/MPL/2.0/.

 GitHub Web Components Polyfill Add-on
 Copyright (c) 2020 JustOff. All rights reserved.
 Copyright (c) 2022 SeaHOH. All rights reserved.

 Element.prototype.toggleAttribute and Array.prototype.flat polyfills
 Copyright (c) 2005-2020 Mozilla and individual contributors.
 https://developer.mozilla.org/docs/Web/API/Element/toggleAttribute
 https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Array/flat

 Array.prototype.flatMap polyfill
 Copyright (c) 2017 Aluan Haddad.
 https://github.com/aluanhaddad/flat-map

 PerformanceObserver polyfill
 Copyright (c) 2020 Fastly, Inc.
 https://github.com/fastly/performance-observer-polyfill

 Promise.any polyfill
 Copyright (c) 2019, Andrea Giammarchi, @WebReflection
 https://github.com/ungap/promise-any

 Custom Elements polyfill
 Copyright (c) 2020 The Polymer Project Authors. All rights reserved.
 https://github.com/webcomponents/polyfills
 
 Node.prototype.getRootNode polyfill
 Copyright (c) 2016 Foobar HQ
 https://github.com/foobarhq/get-root-node-polyfill
*/

"use strict";

var Cc = Components.classes, Ci = Components.interfaces, Cu = Components.utils;

Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/XPCOMUtils.jsm");

const isSeaMonkey = Services.appinfo.name == "SeaMonkey";

const pfSeaMonkey = `(function(){
if (!Element.prototype.toggleAttribute) {
  Element.prototype.toggleAttribute = function(name, force) {
    if(force !== void 0) force = !!force
    if (this.hasAttribute(name)) {
      if (force) return true;
      this.removeAttribute(name);
      return false;
    }
    if (force === false) return false;
    this.setAttribute(name, "");
    return true;
  };
}
function flattenIntoArray(target, source, start, depth, mapperFunction, thisArg) {
  const mapperFunctionProvied = mapperFunction !== undefined;
  let targetIndex = start;
  let sourceIndex = 0;
  const sourceLen = source.length;
  while (sourceIndex < sourceLen) {
    const p = sourceIndex;
    const exists = !!source[p];
    if (exists === true) {
      let element = source[p];
      if (element) {
        if (mapperFunctionProvied) {
          element = mapperFunction.call(thisArg, element, sourceIndex, target);
        }
        const spreadable = Object.getOwnPropertySymbols(element).includes(Symbol.isConcatSpreadable) || Array.isArray(element);
        if (spreadable === true && depth > 0) {
          const nextIndex = flattenIntoArray(target, element, targetIndex, depth - 1);
          targetIndex = nextIndex;
        } else {
          if (!Number.isSafeInteger(targetIndex)) {
            throw TypeError();
          }
          target[targetIndex] = element;
        }
      }
    }
    targetIndex += 1;
    sourceIndex += 1;
  }
  return targetIndex;
}
function arraySpeciesCreate(originalArray, length) {
  const isArray = Array.isArray(originalArray);
  if (!isArray) {
    return Array(length);
  }
  let C = Object.getPrototypeOf(originalArray).constructor;
  if (C) {
    if (typeof C === 'object' || typeof C === 'function') {
      C = C[Symbol.species.toString()];
      C = C !== null ? C : undefined;
    }
    if (C === undefined) {
      return Array(length);
    }
    if (typeof C !== 'function') {
      throw TypeError('invalid constructor');
    }
    const result = new C(length);
    return result;
  }
}
if (!Object.prototype.hasOwnProperty.call(Array.prototype, 'flatMap')) {
  Array.prototype.flatMap = function flatMap(callbackFn, thisArg) {
    const o = Object(this);
    if (!callbackFn || typeof callbackFn.call !== 'function') {
      throw TypeError('callbackFn must be callable.');
    }
    const t = thisArg !== undefined ? thisArg : undefined;
    const a = arraySpeciesCreate(o, o.length);
    flattenIntoArray(a, o, 0, 1, callbackFn, t);
    return a.filter(x => x !== undefined, a);
  };
}
if (!Array.prototype.flat) {
  Array.prototype.flat = function() {
    var depth = arguments[0];
    depth = depth === undefined ? 1 : Math.floor(depth);
    if (depth < 1) return Array.prototype.slice.call(this);
    return (function flat(arr, depth) {
      var len = arr.length >>> 0;
      var flattened = [];
      var i = 0;
      while (i < len) {
        if (i in arr) {
          var el = arr[i];
          if (Array.isArray(el) && depth > 0)
            flattened = flattened.concat(flat(el, depth - 1));
          else flattened.push(el);
        }
        i++;
      }
      return flattened;
    })(this, depth);
  };
}
String.prototype.matchAll === undefined && (
    String.prototype.matchAll = function* matchAll(pattern) {
  let isRe = pattern instanceof RegExp, flags = "g", res = [];
  if (!isRe)
    // $()*+,-.?[\\]^{|}
    pattern = pattern.replace(/[\\x24\\x28-\\x2e\\x3f\\x5b-\\x5e\\x7b-\\x7d]/g, "\\\\$\\&");
  else if (pattern.global)
    flags = pattern.flags;
  else
    flags += pattern.flags;
  pattern = new RegExp(pattern, flags);
  this.replace(pattern, function (...groups) {
    groups.input = groups.pop();
    groups.index = groups.pop();
    res.push(groups);
    return groups[0];
  });
  for (let m of res) yield m;
});
}).call(this);`;
const hashSeaMonkey = "'sha256-xGA1ERFngZ6AZtytK91CwXQ9toYwTIK/4yo4HWqgXTQ='";
const pfBase = `typeof queueMicrotask !== 'function' && (queueMicrotask = function(f) {setTimeout(f, 0)});(function(){return function(e){var t={};function r(n){if(t[n])return t[n].exports;var o=t[n]={i:n,l:!1,exports:{}};return e[n].call(o.exports,o,o.exports,r),o.l=!0,o.exports}return r.m=e,r.c=t,r.d=function(e,t,n){r.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:n})},r.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},r.t=function(e,t){if(1&t&&(e=r(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var n=Object.create(null);if(r.r(n),Object.defineProperty(n,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var o in e)r.d(n,o,function(t){return e[t]}.bind(null,o));return n},r.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return r.d(t,"a",t),t},r.o=function(e,t){return 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this.context?this.context.requestAnimationFrame(t):this.context.setTimeout(t,0)}},{key:"add",value:function(e){this.registeredObservers.add(e),1===this.registeredObservers.size&&this.observe()}},{key:"remove",value:function(e){this.registeredObservers.delete(e),this.registeredObservers.size||this.disconnect()}},{key:"observe",value:function(){this.intervalId=this.context.setInterval(this.processEntries.bind(this),this.interval)}},{key:"disconnect",value:function(){this.intervalId=this.context.clearInterval(this.intervalId)}}])&&y(t.prototype,r),n&&y(t,n),e}()),k=function(){function e(t){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:P;!function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,e),b(this,"callback",void 0),b(this,"buffer",void 0),b(this,"entryTypes",[]),b(this,"taskQueue",void 0),this.callback=t,this.buffer=new Set,this.taskQueue=r}var t,r,n;return t=e,(r=[{key:"observe",value:function(e){if(!e)throw new Error(h);if(e.entryTypes&&e.type)throw new Error(m);var t;if(e.entryTypes)t=e.entryTypes;else{if(!e.type)throw new Error(h);t=[e.type]}var r=t.filter(w);r.length>0&&r.length!==t.length&&console.warn(O),r.length?(this.entryTypes=r,this.taskQueue.add(this)):console.warn(g)}},{key:"disconnect",value:function(){this.taskQueue.remove(this)}},{key:"takeRecords",value:function(){var e=Array.from(this.buffer);return new l(e)}}])&&v(t.prototype,r),n&&v(t,n),e}();b(k,"supportedEntryTypes",d);var E="PerformanceObserver"in self&&"function"==typeof PerformanceObserver?PerformanceObserver:k,j=self;j.PerformanceObserver||(j.PerformanceObserver=E)}])}).call(this);(function(){if(Element.prototype.replaceChildren===undefined){Element.prototype.replaceChildren=function(...nodesOrDOMStrings){while(this.lastChild){this.removeChild(this.lastChild)}if(nodesOrDOMStrings.length){this.append(...nodesOrDOMStrings)}}}}());if(!('any' in Promise && typeof Promise.any == 'function'))Promise.any = function($) {return new Promise(function (D, E, A, L) {A = []; L = $.map(function ($, i) {return Promise.resolve($).then(D, function (O) {return ((A[i] = O), --L) || E({errors: A});});}).length;});}`;
const hashBase = "'sha256-Y97hZdvuJztaJyvPJfwpU8LImTg64KGz8oN2jC/bVMY='";
const pfFollowUp = `(function () {
  // Ensure config dom.getRootNode.enabled is "false", or it would not work correctly
  if (Node.prototype.getRootNode === undefined) {
    Node.prototype.getRootNode = function getRootNode(opt) {
      let composed = typeof opt === "object" && Boolean(opt.composed);
      return composed ? getShadowIncludingRoot(this) : getRoot(this);
    }
    function getShadowIncludingRoot(node) {
      let root = getRoot(node);
      while (isShadowRoot(root))
        root = getRoot(root.host);
      return root;
    }
    function getRoot(node) {
      while (node.parentNode)
        node = node.parentNode;
      return node;
    }
    function isShadowRoot(node) {
      return node.nodeName === "#document-fragment" &&
             node.constructor.name === "ShadowRoot";
    }
  }
  if (window.ShadowRoot === undefined) {
    ShadowRoot = class ShadowRoot extends DocumentFragment {
      set innerHTML (html) {
        super.innerHTML = html;
        let tagName = this.host.localName, hh = c32(tagName);
        // flag "s" is broken in matchAll
        for (let [css] of html.matchAll(/<style>[\\s\\S]+?<\\/style>/g)) {
          for (let [$, selectors, style] of css.matchAll(/(:host[\\s\\S]*?)(\\{[\\s\\S]+?\\})/g)) {
            let hc = c32($, hh);
            if (cssHashSet.has(hc)) continue
            cssHashSet.add(hc);
            CSS.innerHTML += selectors.replace(
                // flag "s" is broken in SeaMonkey
                /:host(-context)?(?:\\(([\\s\\S]+?)\\))?/g,
                function ($, context, selectors) {
                  if (context === undefined && selectors === undefined)
                    return tagName;
                  if (context)
                    return \`:-moz-any(\${selectors}) \${tagName}\`;
                  let res = [];
                  for (let selector of selectors.split(","))
                    res.push(tagName + selector);
                  return \`:-moz-any(\${res.join(", ")})\`;
                }) + style;
          }
        }
      }
    };
    Element.prototype.attachShadow = function attachShadow(init) {
      if (this.shadowRoot !== undefined)
        throw new DOMException(
            \`The <\${this.tagName}> element has be tried to attach to is already a shadow host.\`,
            "InvalidStateError");
      if (!asNames.has(this.localName))
        throw new DOMException(
            \`The <\${this.tagName}> element does not supported to attach shadow\`,
            "NotSupportedError");
      let sr = new ShadowRoot();
      Object.defineProperty(sr, "host", {value: this});
      Object.defineProperty(sr, "mode", {value: init.mode});
      Object.defineProperty(sr, "delegatesFocus", {value: Boolean(init.delegatesFocus)});
      Object.defineProperty(this, "shadowRoot", {value: init.mode === "closed" ? null : sr});
      return sr;
    };
    function c32 (str, hash) {
      hash = hash || 0;
      for (let c of str) {
        if (" \\n\\t".includes(c)) continue
        hash += hash << 8;
        hash ^= c.codePointAt(0);
      }
      return hash;
    }
    function addEventListener (type, listener, options) {
      const target = this, parent = target.parentNode,
            ael = EventTarget.prototype.addEventListener;
      ael.call(target, type, listener, options);
      // Limit applied scope, or break other functions
      if (!(type === "click" && parent.localName === "button")) return;
      if (!triggerMap.has(target))
        triggerMap.set(target, function () {target.dispatchEvent(new Event("click"))});
      ael.call(parent, type, triggerMap.get(target), options);
    }
    function removeEventListener (type, listener, options) {
      const target = this, parent = target.parentNode,
            rel = EventTarget.prototype.removeEventListener;
      rel.call(target, type, listener, options);
      if (!(type === "click" && parent.localName === "button")) return;
      rel.call(parent, type, triggerMap.get(target), options);
    }
    const CSS = document.createElement("style"),
          cssHashSet = new Set(),
          triggerMap = new Map(),
          oldCED = customElements.define,
          asNames = new Set(["article", "aside", "blockquote", "body", "div",
                             "footer", "h1", "h2", "h3", "h4", "h5", "h6",
                             "header", "main", "nav", "p", "section", "span"]);
    document.head.appendChild(CSS);
    customElements.define = function (name, cls) {
      asNames.add(name);
      cls.prototype.addEventListener = addEventListener;
      cls.prototype.removeEventListener = removeEventListener;
      oldCED.call(customElements, name, cls);
    };
  }
  // Remove "disabled" attribute of "Load diff" buttons
  if (/^\\/.+?\\/.+?\\/(commit\\/|pull\\/\\d+\\/(commits\\/|files))/.test(location.pathname))
    document.addEventListener("DOMContentLoaded", function () {
      for (let button of document.getElementsByClassName("load-diff-button"))
        button.removeAttribute("disabled");
    }, {once: true});
}());`;
const hashFollowUp = "'sha256-sByi/A21oqNGPE00oZdNzS7MH/Axu2zHWHZK1pJ908Y='";
const customElements = `(function(){var n=window.Document.prototype.createElement,p=window.Document.prototype.createElementNS,aa=window.Document.prototype.importNode,ba=window.Document.prototype.prepend,ca=window.Document.prototype.append,da=window.DocumentFragment.prototype.prepend,ea=window.DocumentFragment.prototype.append,q=window.Node.prototype.cloneNode,r=window.Node.prototype.appendChild,t=window.Node.prototype.insertBefore,u=window.Node.prototype.removeChild,v=window.Node.prototype.replaceChild,w=Object.getOwnPropertyDescriptor(window.Node.prototype,
"textContent"),y=window.Element.prototype.attachShadow,z=Object.getOwnPropertyDescriptor(window.Element.prototype,"innerHTML"),A=window.Element.prototype.getAttribute,B=window.Element.prototype.setAttribute,C=window.Element.prototype.removeAttribute,D=window.Element.prototype.getAttributeNS,E=window.Element.prototype.setAttributeNS,F=window.Element.prototype.removeAttributeNS,G=window.Element.prototype.insertAdjacentElement,H=window.Element.prototype.insertAdjacentHTML,fa=window.Element.prototype.prepend,
ha=window.Element.prototype.append,ia=window.Element.prototype.before,ja=window.Element.prototype.after,ka=window.Element.prototype.replaceWith,la=window.Element.prototype.remove,ma=window.HTMLElement,I=Object.getOwnPropertyDescriptor(window.HTMLElement.prototype,"innerHTML"),na=window.HTMLElement.prototype.insertAdjacentElement,oa=window.HTMLElement.prototype.insertAdjacentHTML;var pa=new Set;"annotation-xml color-profile font-face font-face-src font-face-uri font-face-format font-face-name missing-glyph".split(" ").forEach(function(a){return pa.add(a)});function qa(a){var b=pa.has(a);a=/^[a-z][.0-9_a-z]*-[-.0-9_a-z]*$/.test(a);return!b&&a}var ra=document.contains?document.contains.bind(document):document.documentElement.contains.bind(document.documentElement);
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      } catch (e) {
        if (cookie) {
          subject.setRequestHeader("Cookie", cookie, false);
        }
      }
    }
  },
  QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver, Ci.nsISupportsWeakReference])
};

function tracingListener () {
  this.receivedData = [];
}

tracingListener.prototype = {
  onDataAvailable: function (request, context, inputStream, offset, count) {
    let binaryInputStream = Cc["@mozilla.org/binaryinputstream;1"].createInstance(Ci["nsIBinaryInputStream"]);
    binaryInputStream.setInputStream(inputStream);
    let data = binaryInputStream.readBytes(count);
    this.receivedData.push(data);
  },
  onStartRequest: function (request, context) {
    try {
      this.originalListener.onStartRequest(request, context);
    } catch (err) {
      request.cancel(err.result);
    }
  },
  onStopRequest: function (request, context, statusCode) {
    let data = this.receivedData.join("");
    try {
      if (this.site == "github") {
        data = data.replace("<head>", "<head><script>" + pfFollowUp + "</script>");
        data = data.replace("<head>", "<head><script crossorigin=\"anonymous\" integrity=\"sha512-g4ztuyuFPzjTvIqYBeZdHEDaHz2K6RCz4RszsnL3m5ko4kiWCjB9W6uIScLkNr8l/BtC2dYiIFkOdOLDYBHLqQ==\" type=\"application/javascript\" src=\"https://github.githubassets.com/assets/compat-838cedbb.js\"></script>");
        data = data.replace("<head>", "<head><script>" + pfBase + "</script>");
        if (isSeaMonkey) {
          data = data.replace("<head>", "<head><script>" + pfSeaMonkey + "</script>");
        }
      } else if (this.site == "gitlab") {
        data = data.replace("<script", "<script>" + customElements + "</script><script");
      } else if (this.site == "gitlabjs") {
        // https://gitlab.com/gitlab-org/gitlab/-/commit/5522a5ffb6a0522e11dd684cce5c5e99ae6c24ce
        data = data.replace("/^&(?<iid>\\d+)$/", "/^&(\\d+)$/").replace(".groups.iid", "[1]");
        // https://gitlab.com/gitlab-org/gitlab-ui/-/commit/d23c341bb8cef5683bf2d49556dabe4008be76cf
        // Test URL: https://gitlab.com/ykweyer-test-group/emoji-test
        //data = data.replace("\\p{Emoji}", "[\\u{1f300}-\\u{1f5ff}\\u{1f900}-\\u{1f9ff}\\u{1f600}-\\u{1f64f}\\u{1f680}-\\u{1f6ff}\\u{2600}-\\u{26ff}\\u{2700}-\\u{27bf}\\u{1f1e6}-\\u{1f1ff}\\u{1f191}-\\u{1f251}\\u{1f004}\\u{1f0cf}\\u{1f170}-\\u{1f171}\\u{1f17e}-\\u{1f17f}\\u{1f18e}\\u{3030}\\u{2b50}\\u{2b55}\\u{2934}-\\u{2935}\\u{2b05}-\\u{2b07}\\u{2b1b}-\\u{2b1c}\\u{3297}\\u{3299}\\u{303d}\\u{00a9}\\u{00ae}\\u{2122}\\u{23f3}\\u{24c2}\\u{23e9}-\\u{23ef}\\u{25b6}\\u{23f8}-\\u{23fa}]");
        // https://gitlab.com/gitlab-org/gitlab/-/merge_requests/79161
        data = data.replace("/^(?<indent>\\s*)(?<leader>((?<isOl>[*+-])|(?<isUl>\\d+\\.))( \\[([x ])\\])?\\s)(?<content>.)?/", "/^(\\s*)(([*+-]|\\d+\\.)( \\[[x ]\\])?\\s)(.)?/").replace(/\{indent:(.),content:(.),leader:(.)\}=(.)\.groups;/, "[$1,$2,$3]=[$4[1],$4[5],$4[2]];");
      }
    } catch (e) {}
    let storageStream = Cc["@mozilla.org/storagestream;1"].createInstance(Ci["nsIStorageStream"]);
    storageStream.init(8192, data.length, null);
    let os = storageStream.getOutputStream(0);
    if (data.length > 0) {
      os.write(data, data.length);
    }
    os.close();
    try {
      this.originalListener.onDataAvailable(request, context, storageStream.newInputStream(0), 0, data.length);
    } catch (e) {}
    try {
      this.originalListener.onStopRequest(request, context, statusCode);
    } catch (e) {}
  },
  QueryInterface: XPCOMUtils.generateQI([Ci.nsIStreamListener, Ci.nsISupports])
}

function startup(data, reason) {
  Services.obs.addObserver(httpObserver, "http-on-examine-response", false);
  Services.obs.addObserver(httpObserver, "http-on-examine-cached-response", false);
  if (isSeaMonkey) {
    Services.obs.addObserver(httpObserver, "http-on-modify-request", false);
  }
}

function shutdown(data, reason) {
  if (reason == APP_SHUTDOWN) {
    return;
  }
  if (isSeaMonkey) {
    Services.obs.removeObserver(httpObserver, "http-on-modify-request", false);
  }
  Services.obs.removeObserver(httpObserver, "http-on-examine-cached-response", false);
  Services.obs.removeObserver(httpObserver, "http-on-examine-response", false);
}

function install() {}

function uninstall() {}