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"use strict";
const path = require("path");
const fs = require("pn/fs");
const vm = require("vm");
const toughCookie = require("tough-cookie");
const sniffHTMLEncoding = require("html-encoding-sniffer");
const whatwgURL = require("whatwg-url");
const whatwgEncoding = require("whatwg-encoding");
const { URL } = require("whatwg-url");
const MIMEType = require("whatwg-mimetype");
const idlUtils = require("./jsdom/living/generated/utils.js");
const VirtualConsole = require("./jsdom/virtual-console.js");
const Window = require("./jsdom/browser/Window.js");
const { parseIntoDocument } = require("./jsdom/browser/parser");
const { fragmentSerialization } = require("./jsdom/living/domparsing/serialization.js");
const ResourceLoader = require("./jsdom/browser/resources/resource-loader.js");
const NoOpResourceLoader = require("./jsdom/browser/resources/no-op-resource-loader.js");
// This symbol allows us to smuggle a non-public option through to the JSDOM constructor, for use by JSDOM.fromURL.
const transportLayerEncodingLabelHiddenOption = Symbol("transportLayerEncodingLabel");
class CookieJar extends toughCookie.CookieJar {
constructor(store, options) {
// jsdom cookie jars must be loose by default
super(store, Object.assign({ looseMode: true }, options));
}
}
const window = Symbol("window");
let sharedFragmentDocument = null;
class JSDOM {
constructor(input, options = {}) {
const mimeType = new MIMEType(options.contentType === undefined ? "text/html" : options.contentType);
const { html, encoding } = normalizeHTML(input, options[transportLayerEncodingLabelHiddenOption], mimeType);
options = transformOptions(options, encoding, mimeType);
this[window] = new Window(options.windowOptions);
const documentImpl = idlUtils.implForWrapper(this[window]._document);
options.beforeParse(this[window]._globalProxy);
parseIntoDocument(html, documentImpl);
documentImpl.close();
}
get window() {
// It's important to grab the global proxy, instead of just the result of `new Window(...)`, since otherwise things
// like `window.eval` don't exist.
return this[window]._globalProxy;
}
get virtualConsole() {
return this[window]._virtualConsole;
}
get cookieJar() {
// TODO NEWAPI move _cookieJar to window probably
return idlUtils.implForWrapper(this[window]._document)._cookieJar;
}
serialize() {
return fragmentSerialization(idlUtils.implForWrapper(this[window]._document), { requireWellFormed: false });
}
nodeLocation(node) {
if (!idlUtils.implForWrapper(this[window]._document)._parseOptions.sourceCodeLocationInfo) {
throw new Error("Location information was not saved for this jsdom. Use includeNodeLocations during creation.");
}
return idlUtils.implForWrapper(node).sourceCodeLocation;
}
runVMScript(script, options) {
if (!vm.isContext(this[window])) {
throw new TypeError("This jsdom was not configured to allow script running. " +
"Use the runScripts option during creation.");
}
return script.runInContext(this[window], options);
}
reconfigure(settings) {
if ("windowTop" in settings) {
this[window]._top = settings.windowTop;
}
if ("url" in settings) {
const document = idlUtils.implForWrapper(this[window]._document);
const url = whatwgURL.parseURL(settings.url);
if (url === null) {
throw new TypeError(`Could not parse "${settings.url}" as a URL`);
}
document._URL = url;
document.origin = whatwgURL.serializeURLOrigin(document._URL);
}
}
static fragment(string = "") {
if (!sharedFragmentDocument) {
sharedFragmentDocument = (new JSDOM()).window.document;
}
const template = sharedFragmentDocument.createElement("template");
template.innerHTML = string;
return template.content;
}
static fromURL(url, options = {}) {
return Promise.resolve().then(() => {
const parsedURL = new URL(url);
url = parsedURL.href;
options = normalizeFromURLOptions(options);
const resourceLoader = resourcesToResourceLoader(options.resources);
const resourceLoaderForInitialRequest = resourceLoader.constructor === NoOpResourceLoader ?
new ResourceLoader() :
resourceLoader;
const req = resourceLoaderForInitialRequest.fetch(url, {
accept: "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
cookieJar: options.cookieJar,
referrer: options.referrer
});
return req.then(body => {
const res = req.response;
let transportLayerEncodingLabel;
if ("content-type" in res.headers) {
const mimeType = new MIMEType(res.headers["content-type"]);
transportLayerEncodingLabel = mimeType.parameters.get("charset");
}
options = Object.assign(options, {
url: req.href + parsedURL.hash,
contentType: res.headers["content-type"],
referrer: req.getHeader("referer"),
[transportLayerEncodingLabelHiddenOption]: transportLayerEncodingLabel
});
return new JSDOM(body, options);
});
});
}
static fromFile(filename, options = {}) {
return Promise.resolve().then(() => {
options = normalizeFromFileOptions(filename, options);
return fs.readFile(filename).then(buffer => {
return new JSDOM(buffer, options);
});
});
}
}
function normalizeFromURLOptions(options) {
// Checks on options that are invalid for `fromURL`
if (options.url !== undefined) {
throw new TypeError("Cannot supply a url option when using fromURL");
}
if (options.contentType !== undefined) {
throw new TypeError("Cannot supply a contentType option when using fromURL");
}
// Normalization of options which must be done before the rest of the fromURL code can use them, because they are
// given to request()
const normalized = Object.assign({}, options);
if (options.referrer !== undefined) {
normalized.referrer = (new URL(options.referrer)).href;
}
if (options.cookieJar === undefined) {
normalized.cookieJar = new CookieJar();
}
return normalized;
// All other options don't need to be processed yet, and can be taken care of in the normal course of things when
// `fromURL` calls `new JSDOM(html, options)`.
}
function normalizeFromFileOptions(filename, options) {
const normalized = Object.assign({}, options);
if (normalized.contentType === undefined) {
const extname = path.extname(filename);
if (extname === ".xhtml" || extname === ".xml") {
normalized.contentType = "application/xhtml+xml";
}
}
if (normalized.url === undefined) {
normalized.url = new URL("file:" + path.resolve(filename));
}
return normalized;
}
function transformOptions(options, encoding, mimeType) {
const transformed = {
windowOptions: {
// Defaults
url: "about:blank",
referrer: "",
contentType: "text/html",
parsingMode: "html",
parseOptions: { sourceCodeLocationInfo: false },
runScripts: undefined,
encoding,
pretendToBeVisual: false,
storageQuota: 5000000,
// Defaults filled in later
resourceLoader: undefined,
virtualConsole: undefined,
cookieJar: undefined
},
// Defaults
beforeParse() { }
};
// options.contentType was parsed into mimeType by the caller.
if (!mimeType.isHTML() && !mimeType.isXML()) {
throw new RangeError(`The given content type of "${options.contentType}" was not a HTML or XML content type`);
}
transformed.windowOptions.contentType = mimeType.essence;
transformed.windowOptions.parsingMode = mimeType.isHTML() ? "html" : "xml";
if (options.url !== undefined) {
transformed.windowOptions.url = (new URL(options.url)).href;
}
if (options.referrer !== undefined) {
transformed.windowOptions.referrer = (new URL(options.referrer)).href;
}
if (options.includeNodeLocations) {
if (transformed.windowOptions.parsingMode === "xml") {
throw new TypeError("Cannot set includeNodeLocations to true with an XML content type");
}
transformed.windowOptions.parseOptions = { sourceCodeLocationInfo: true };
}
transformed.windowOptions.cookieJar = options.cookieJar === undefined ?
new CookieJar() :
options.cookieJar;
transformed.windowOptions.virtualConsole = options.virtualConsole === undefined ?
(new VirtualConsole()).sendTo(console) :
options.virtualConsole;
if (!(transformed.windowOptions.virtualConsole instanceof VirtualConsole)) {
throw new TypeError("virtualConsole must be an instance of VirtualConsole");
}
transformed.windowOptions.resourceLoader = resourcesToResourceLoader(options.resources);
if (options.runScripts !== undefined) {
transformed.windowOptions.runScripts = String(options.runScripts);
if (transformed.windowOptions.runScripts !== "dangerously" &&
transformed.windowOptions.runScripts !== "outside-only") {
throw new RangeError(`runScripts must be undefined, "dangerously", or "outside-only"`);
}
}
if (options.beforeParse !== undefined) {
transformed.beforeParse = options.beforeParse;
}
if (options.pretendToBeVisual !== undefined) {
transformed.windowOptions.pretendToBeVisual = Boolean(options.pretendToBeVisual);
}
if (options.storageQuota !== undefined) {
transformed.windowOptions.storageQuota = Number(options.storageQuota);
}
// concurrentNodeIterators??
return transformed;
}
function normalizeHTML(html = "", transportLayerEncodingLabel, mimeType) {
let encoding = "UTF-8";
if (ArrayBuffer.isView(html)) {
html = Buffer.from(html.buffer, html.byteOffset, html.byteLength);
} else if (html instanceof ArrayBuffer) {
html = Buffer.from(html);
}
if (Buffer.isBuffer(html)) {
encoding = sniffHTMLEncoding(html, {
defaultEncoding: mimeType.isXML() ? "UTF-8" : "windows-1252",
transportLayerEncodingLabel
});
html = whatwgEncoding.decode(html, encoding);
} else {
html = String(html);
}
return { html, encoding };
}
function resourcesToResourceLoader(resources) {
switch (resources) {
case undefined: {
return new NoOpResourceLoader();
}
case "usable": {
return new ResourceLoader();
}
default: {
if (!(resources instanceof ResourceLoader)) {
throw new TypeError("resources must be an instance of ResourceLoader");
}
return resources;
}
}
}
exports.JSDOM = JSDOM;
exports.VirtualConsole = VirtualConsole;
exports.CookieJar = CookieJar;
exports.ResourceLoader = ResourceLoader;
exports.toughCookie = toughCookie;