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Name	Size	Last Modified
[F]CDATASection-impl.js Edit	365 bytes	2022-10-02 10:07:53
[F]CharacterData-impl.js Edit	3.37 KB	2022-10-02 10:07:53
[F]ChildNode-impl.js Edit	1.98 KB	2022-10-02 10:07:53
[F]Comment-impl.js Edit	531 bytes	2022-10-02 10:07:54
[F]DOMImplementation-impl.js Edit	3.78 KB	2022-10-02 10:07:56
[F]DOMStringMap-impl.js Edit	1.95 KB	2022-10-02 10:07:57
[F]DOMTokenList-impl.js Edit	4.24 KB	2022-10-02 10:07:57
[F]Document-impl.js Edit	27.82 KB	2022-10-02 10:07:56
[F]DocumentFragment-impl.js Edit	1.36 KB	2022-10-02 10:07:56
[F]DocumentOrShadowRoot-impl.js Edit	731 bytes	2022-10-02 10:07:56
[F]DocumentType-impl.js Edit	653 bytes	2022-10-02 10:07:56
[F]Element-impl.js Edit	16.21 KB	2022-10-02 10:07:57
[F]ElementCSSInlineStyle-impl.js Edit	570 bytes	2022-10-02 10:07:57
[F]ElementContentEditable-impl.js Edit	120 bytes	2022-10-02 10:07:57
[F]GlobalEventHandlers-impl.js Edit	2.40 KB	2022-10-02 10:07:59
[F]HTMLAnchorElement-impl.js Edit	1.22 KB	2022-10-02 10:08:00
[F]HTMLAreaElement-impl.js Edit	1.12 KB	2022-10-02 10:08:00
[F]HTMLAudioElement-impl.js Edit	218 bytes	2022-10-02 10:08:00
[F]HTMLBRElement-impl.js Edit	197 bytes	2022-10-02 10:08:00
[F]HTMLBaseElement-impl.js Edit	715 bytes	2022-10-02 10:08:00
[F]HTMLBodyElement-impl.js Edit	490 bytes	2022-10-02 10:08:00
[F]HTMLButtonElement-impl.js Edit	1.90 KB	2022-10-02 10:08:00
[F]HTMLCanvasElement-impl.js Edit	3.78 KB	2022-10-02 10:08:00
[F]HTMLCollection-impl.js Edit	2.21 KB	2022-10-02 10:08:00
[F]HTMLDListElement-impl.js Edit	203 bytes	2022-10-02 10:08:00
[F]HTMLDataElement-impl.js Edit	201 bytes	2022-10-02 10:08:00
[F]HTMLDataListElement-impl.js Edit	597 bytes	2022-10-02 10:08:00
[F]HTMLDetailsElement-impl.js Edit	923 bytes	2022-10-02 10:08:00
[F]HTMLDialogElement-impl.js Edit	205 bytes	2022-10-02 10:08:00
[F]HTMLDirectoryElement-impl.js Edit	211 bytes	2022-10-02 10:08:00
[F]HTMLDivElement-impl.js Edit	199 bytes	2022-10-02 10:08:00
[F]HTMLElement-impl.js Edit	4.40 KB	2022-10-02 10:08:01
[F]HTMLEmbedElement-impl.js Edit	201 bytes	2022-10-02 10:08:01
[F]HTMLFieldSetElement-impl.js Edit	1.22 KB	2022-10-02 10:08:01
[F]HTMLFontElement-impl.js Edit	201 bytes	2022-10-02 10:08:01
[F]HTMLFormElement-impl.js Edit	5.94 KB	2022-10-02 10:08:01
[F]HTMLFrameElement-impl.js Edit	7.49 KB	2022-10-02 10:08:01
[F]HTMLFrameSetElement-impl.js Edit	502 bytes	2022-10-02 10:08:01
[F]HTMLHRElement-impl.js Edit	197 bytes	2022-10-02 10:08:01
[F]HTMLHeadElement-impl.js Edit	201 bytes	2022-10-02 10:08:01
[F]HTMLHeadingElement-impl.js Edit	207 bytes	2022-10-02 10:08:01
[F]HTMLHtmlElement-impl.js Edit	201 bytes	2022-10-02 10:08:01
[F]HTMLHyperlinkElementUtils-impl.js Edit	7.74 KB	2022-10-02 10:08:01
[F]HTMLIFrameElement-impl.js Edit	220 bytes	2022-10-02 10:08:01
[F]HTMLImageElement-impl.js Edit	3.58 KB	2022-10-02 10:08:01
[F]HTMLInputElement-impl.js Edit	36.26 KB	2022-10-02 10:08:01
[F]HTMLLIElement-impl.js Edit	197 bytes	2022-10-02 10:08:02
[F]HTMLLabelElement-impl.js Edit	2.68 KB	2022-10-02 10:08:01
[F]HTMLLegendElement-impl.js Edit	516 bytes	2022-10-02 10:08:01
[F]HTMLLinkElement-impl.js Edit	2.67 KB	2022-10-02 10:08:02
[F]HTMLMapElement-impl.js Edit	265 bytes	2022-10-02 10:08:02
[F]HTMLMarqueeElement-impl.js Edit	207 bytes	2022-10-02 10:08:02
[F]HTMLMediaElement-impl.js Edit	3.11 KB	2022-10-02 10:08:02
[F]HTMLMenuElement-impl.js Edit	201 bytes	2022-10-02 10:08:02
[F]HTMLMetaElement-impl.js Edit	201 bytes	2022-10-02 10:08:02
[F]HTMLMeterElement-impl.js Edit	4.26 KB	2022-10-02 10:08:02
[F]HTMLModElement-impl.js Edit	198 bytes	2022-10-02 10:08:02
[F]HTMLOListElement-impl.js Edit	426 bytes	2022-10-02 10:08:02
[F]HTMLObjectElement-impl.js Edit	685 bytes	2022-10-02 10:08:02
[F]HTMLOptGroupElement-impl.js Edit	209 bytes	2022-10-02 10:08:02
[F]HTMLOptionElement-impl.js Edit	3.60 KB	2022-10-02 10:08:02
[F]HTMLOptionsCollection-impl.js Edit	3.34 KB	2022-10-02 10:08:02
[F]HTMLOrSVGElement-impl.js Edit	3.13 KB	2022-10-02 10:08:02
[F]HTMLOutputElement-impl.js Edit	1.98 KB	2022-10-02 10:08:02
[F]HTMLParagraphElement-impl.js Edit	211 bytes	2022-10-02 10:08:02
[F]HTMLParamElement-impl.js Edit	203 bytes	2022-10-02 10:08:02
[F]HTMLPictureElement-impl.js Edit	207 bytes	2022-10-02 10:08:02
[F]HTMLPreElement-impl.js Edit	199 bytes	2022-10-02 10:08:02
[F]HTMLProgressElement-impl.js Edit	1.74 KB	2022-10-02 10:08:02
[F]HTMLQuoteElement-impl.js Edit	202 bytes	2022-10-02 10:08:02
[F]HTMLScriptElement-impl.js Edit	7.37 KB	2022-10-02 10:08:02
[F]HTMLSelectElement-impl.js Edit	7.96 KB	2022-10-02 10:08:03
[F]HTMLSlotElement-impl.js Edit	1.50 KB	2022-10-02 10:08:03
[F]HTMLSourceElement-impl.js Edit	203 bytes	2022-10-02 10:08:03
[F]HTMLSpanElement-impl.js Edit	201 bytes	2022-10-02 10:08:03
[F]HTMLStyleElement-impl.js Edit	2.05 KB	2022-10-02 10:08:03
[F]HTMLTableCaptionElement-impl.js Edit	217 bytes	2022-10-02 10:08:03
[F]HTMLTableCellElement-impl.js Edit	1.62 KB	2022-10-02 10:08:03
[F]HTMLTableColElement-impl.js Edit	209 bytes	2022-10-02 10:08:03
[F]HTMLTableElement-impl.js Edit	6.01 KB	2022-10-02 10:08:03
[F]HTMLTableRowElement-impl.js Edit	2.35 KB	2022-10-02 10:08:03
[F]HTMLTableSectionElement-impl.js Edit	1.60 KB	2022-10-02 10:08:03
[F]HTMLTemplateElement-impl.js Edit	1.99 KB	2022-10-02 10:08:03
[F]HTMLTextAreaElement-impl.js Edit	7.06 KB	2022-10-02 10:08:03
[F]HTMLTimeElement-impl.js Edit	201 bytes	2022-10-02 10:08:03
[F]HTMLTitleElement-impl.js Edit	369 bytes	2022-10-02 10:08:03
[F]HTMLTrackElement-impl.js Edit	242 bytes	2022-10-02 10:08:03
[F]HTMLUListElement-impl.js Edit	203 bytes	2022-10-02 10:08:03
[F]HTMLUnknownElement-impl.js Edit	207 bytes	2022-10-02 10:08:03
[F]HTMLVideoElement-impl.js Edit	298 bytes	2022-10-02 10:08:03
[F]LinkStyle-impl.js Edit	55 bytes	2022-10-02 10:08:04
[F]Node-impl.js Edit	34.10 KB	2022-10-02 10:08:05
[F]NodeList-impl.js Edit	1.03 KB	2022-10-02 10:08:05
[F]NonDocumentTypeChildNode-impl.js Edit	675 bytes	2022-10-02 10:08:05
[F]NonElementParentNode-impl.js Edit	262 bytes	2022-10-02 10:08:05
[F]ParentNode-impl.js Edit	2.55 KB	2022-10-02 10:08:05
[F]ProcessingInstruction-impl.js Edit	506 bytes	2022-10-02 10:08:05
[F]SVGElement-impl.js Edit	2.03 KB	2022-10-02 10:08:06
[F]SVGGraphicsElement-impl.js Edit	494 bytes	2022-10-02 10:08:06
[F]SVGSVGElement-impl.js Edit	1.20 KB	2022-10-02 10:08:06
[F]SVGTests-impl.js Edit	1.13 KB	2022-10-02 10:08:06
[F]SVGTitleElement-impl.js Edit	198 bytes	2022-10-02 10:08:06
[F]ShadowRoot-impl.js Edit	973 bytes	2022-10-02 10:08:06
[F]Slotable-impl.js Edit	947 bytes	2022-10-02 10:08:06
[F]Text-impl.js Edit	2.84 KB	2022-10-02 10:08:06
[F]WindowEventHandlers-impl.js Edit	1.06 KB	2022-10-02 10:08:07
[F]XMLDocument-impl.js Edit	151 bytes	2022-10-02 10:08:07

Editing: HTMLScriptElement-impl.js

"use strict";
const vm = require("vm");
const whatwgEncoding = require("whatwg-encoding");
const MIMEType = require("whatwg-mimetype");
const { serializeURL } = require("whatwg-url");

const jsMIMETypes = new Set([
  "application/ecmascript",
  "application/javascript",
  "application/x-ecmascript",
  "application/x-javascript",
  "text/ecmascript",
  "text/javascript",
  "text/javascript1.0",
  "text/javascript1.1",
  "text/javascript1.2",
  "text/javascript1.3",
  "text/javascript1.4",
  "text/javascript1.5",
  "text/jscript",
  "text/livescript",
  "text/x-ecmascript",
  "text/x-javascript"
]);

class HTMLScriptElementImpl extends HTMLElementImpl {
  constructor(globalObject, args, privateData) {
    super(globalObject, args, privateData);
    this._alreadyStarted = false;
    this._parserInserted = false; // set by the parser
  }

_attach() {
    super._attach();

// In our current terribly-hacky document.write() implementation, we parse in a div them move elements into the main
    // document. Thus _eval() will bail early when it gets in _poppedOffStackOfOpenElements(), since we're not attached
    // then. Instead, we'll let it eval here.
    if (!this._parserInserted || this._isMovingDueToDocumentWrite) {
      this._eval();
    }
  }

_canRunScript() {
    const document = this._ownerDocument;
    // Equivalent to the spec's "scripting is disabled" check.
    if (!document._defaultView || document._defaultView._runScripts !== "dangerously" || document._scriptingDisabled) {
      return false;
    }

return true;
  }

_fetchExternalScript() {
    const document = this._ownerDocument;
    const resourceLoader = document._resourceLoader;
    const defaultEncoding = whatwgEncoding.labelToName(this.getAttributeNS(null, "charset")) || document._encoding;
    let request;

if (!this._canRunScript()) {
      return;
    }

const src = this.getAttributeNS(null, "src");
    const url = parseURLToResultingURLRecord(src, this._ownerDocument);
    if (url === null) {
      return;
    }
    const urlString = serializeURL(url);

const onLoadExternalScript = data => {
      const { response } = request;
      let contentType;

if (response && response.statusCode !== undefined && response.statusCode >= 400) {
        throw new Error("Status code: " + response.statusCode);
      }

if (response) {
        contentType = MIMEType.parse(response.headers["content-type"]) || new MIMEType("text/plain");
      }

const encoding = whatwgEncoding.getBOMEncoding(data) ||
        (contentType && whatwgEncoding.labelToName(contentType.parameters.get("charset"))) ||
        defaultEncoding;
      const script = whatwgEncoding.decode(data, encoding);

this._innerEval(script, urlString);
    };

request = resourceLoader.fetch(urlString, {
      element: this,
      onLoad: onLoadExternalScript
    });
  }

_fetchInternalScript() {
    const document = this._ownerDocument;

if (!this._canRunScript()) {
      return;
    }

document._queue.push(null, () => {
      this._innerEval(this.text, document.URL);

fireAnEvent("load", this);
    }, null, false, this);
  }

_attrModified(name, value, oldValue) {
    super._attrModified(name, value, oldValue);

if (this._attached && !this._startedEval && name === "src" && oldValue === null && value !== null) {
      this._fetchExternalScript();
    }
  }

_poppedOffStackOfOpenElements() {
    // This seems to roughly correspond to
    // https://html.spec.whatwg.org/multipage/parsing.html#parsing-main-incdata:prepare-a-script, although we certainly
    // don't implement the full semantics.
    this._eval();
  }

// Vaguely similar to https://html.spec.whatwg.org/multipage/scripting.html#prepare-a-script, but we have a long way
  // to go before it's aligned.
  _eval() {
    if (this._alreadyStarted) {
      return;
    }

// TODO: this text check doesn't seem completely the same as the spec, which e.g. will try to execute scripts with
    // child element nodes. Spec bug? https://github.com/whatwg/html/issues/3419
    if (!this.hasAttributeNS(null, "src") && this.text.length === 0) {
      return;
    }

if (!this._attached) {
      return;
    }

const scriptBlocksTypeString = this._getTypeString();
    const type = getType(scriptBlocksTypeString);

if (type !== "classic") {
      // TODO: implement modules, and then change the check to `type === null`.
      return;
    }

this._alreadyStarted = true;

// TODO: implement nomodule here, **but only after we support modules**.

// At this point we completely depart from the spec.

if (this.hasAttributeNS(null, "src")) {
      this._fetchExternalScript();
    } else {
      this._fetchInternalScript();
    }
  }

_innerEval(text, filename) {
    this._ownerDocument._writeAfterElement = this;
    processJavaScript(this, text, filename);
    delete this._ownerDocument._writeAfterElement;
  }

_getTypeString() {
    const typeAttr = this.getAttributeNS(null, "type");
    const langAttr = this.getAttributeNS(null, "language");

if (typeAttr === "") {
      return "text/javascript";
    }

if (typeAttr === null && langAttr === "") {
      return "text/javascript";
    }

if (typeAttr === null && langAttr === null) {
      return "text/javascript";
    }

if (typeAttr !== null) {
      return typeAttr.trim();
    }

if (langAttr !== null) {
      return "text/" + langAttr;
    }

return null;
  }

get text() {
    return childTextContent(this);
  }

set text(text) {
    this.textContent = text;
  }

// https://html.spec.whatwg.org/multipage/scripting.html#script-processing-model
  [cloningSteps](copy, node) {
    copy._alreadyStarted = node._alreadyStarted;
  }
}

function processJavaScript(element, code, filename) {
  const document = element.ownerDocument;
  const window = document && document._global;

if (window) {
    document._currentScript = element;

try {
      vm.runInContext(code, window, { filename, lineOffset, displayErrors: false });
    } catch (e) {
      reportException(window, e, filename);
    } finally {
      document._currentScript = null;
    }
  }
}

module.exports = {
  implementation: HTMLScriptElementImpl
};

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