| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255 |
- "use strict";
- const conversions = require("webidl-conversions");
- const utils = require("./utils.js");
- const Node = require("./Node.js");
- const implSymbol = utils.implSymbol;
- const ctorRegistrySymbol = utils.ctorRegistrySymbol;
- const interfaceName = "TreeWalker";
- exports.is = value => {
- return utils.isObject(value) && Object.hasOwn(value, implSymbol) && value[implSymbol] instanceof Impl.implementation;
- };
- exports.isImpl = value => {
- return utils.isObject(value) && value instanceof Impl.implementation;
- };
- exports.convert = (globalObject, value, { context = "The provided value" } = {}) => {
- if (exports.is(value)) {
- return utils.implForWrapper(value);
- }
- throw new globalObject.TypeError(`${context} is not of type 'TreeWalker'.`);
- };
- function makeWrapper(globalObject, newTarget) {
- let proto;
- if (newTarget !== undefined) {
- proto = newTarget.prototype;
- }
- if (!utils.isObject(proto)) {
- proto = globalObject[ctorRegistrySymbol]["TreeWalker"].prototype;
- }
- return Object.create(proto);
- }
- exports.create = (globalObject, constructorArgs, privateData) => {
- const wrapper = makeWrapper(globalObject);
- return exports.setup(wrapper, globalObject, constructorArgs, privateData);
- };
- exports.createImpl = (globalObject, constructorArgs, privateData) => {
- const wrapper = exports.create(globalObject, constructorArgs, privateData);
- return utils.implForWrapper(wrapper);
- };
- exports._internalSetup = (wrapper, globalObject) => {};
- exports.setup = (wrapper, globalObject, constructorArgs = [], privateData = {}) => {
- privateData.wrapper = wrapper;
- exports._internalSetup(wrapper, globalObject);
- Object.defineProperty(wrapper, implSymbol, {
- value: new Impl.implementation(globalObject, constructorArgs, privateData),
- configurable: true
- });
- wrapper[implSymbol][utils.wrapperSymbol] = wrapper;
- if (Impl.init) {
- Impl.init(wrapper[implSymbol]);
- }
- return wrapper;
- };
- exports.new = (globalObject, newTarget) => {
- const wrapper = makeWrapper(globalObject, newTarget);
- exports._internalSetup(wrapper, globalObject);
- Object.defineProperty(wrapper, implSymbol, {
- value: Object.create(Impl.implementation.prototype),
- configurable: true
- });
- wrapper[implSymbol][utils.wrapperSymbol] = wrapper;
- if (Impl.init) {
- Impl.init(wrapper[implSymbol]);
- }
- return wrapper[implSymbol];
- };
- const exposed = new Set(["Window"]);
- exports.install = (globalObject, globalNames) => {
- if (!globalNames.some(globalName => exposed.has(globalName))) {
- return;
- }
- const ctorRegistry = utils.initCtorRegistry(globalObject);
- class TreeWalker {
- constructor() {
- throw new globalObject.TypeError("Illegal constructor");
- }
- parentNode() {
- const esValue = this !== null && this !== undefined ? this : globalObject;
- if (!exports.is(esValue)) {
- throw new globalObject.TypeError(
- "'parentNode' called on an object that is not a valid instance of TreeWalker."
- );
- }
- return utils.tryWrapperForImpl(esValue[implSymbol].parentNode());
- }
- firstChild() {
- const esValue = this !== null && this !== undefined ? this : globalObject;
- if (!exports.is(esValue)) {
- throw new globalObject.TypeError(
- "'firstChild' called on an object that is not a valid instance of TreeWalker."
- );
- }
- return utils.tryWrapperForImpl(esValue[implSymbol].firstChild());
- }
- lastChild() {
- const esValue = this !== null && this !== undefined ? this : globalObject;
- if (!exports.is(esValue)) {
- throw new globalObject.TypeError("'lastChild' called on an object that is not a valid instance of TreeWalker.");
- }
- return utils.tryWrapperForImpl(esValue[implSymbol].lastChild());
- }
- previousSibling() {
- const esValue = this !== null && this !== undefined ? this : globalObject;
- if (!exports.is(esValue)) {
- throw new globalObject.TypeError(
- "'previousSibling' called on an object that is not a valid instance of TreeWalker."
- );
- }
- return utils.tryWrapperForImpl(esValue[implSymbol].previousSibling());
- }
- nextSibling() {
- const esValue = this !== null && this !== undefined ? this : globalObject;
- if (!exports.is(esValue)) {
- throw new globalObject.TypeError(
- "'nextSibling' called on an object that is not a valid instance of TreeWalker."
- );
- }
- return utils.tryWrapperForImpl(esValue[implSymbol].nextSibling());
- }
- previousNode() {
- const esValue = this !== null && this !== undefined ? this : globalObject;
- if (!exports.is(esValue)) {
- throw new globalObject.TypeError(
- "'previousNode' called on an object that is not a valid instance of TreeWalker."
- );
- }
- return utils.tryWrapperForImpl(esValue[implSymbol].previousNode());
- }
- nextNode() {
- const esValue = this !== null && this !== undefined ? this : globalObject;
- if (!exports.is(esValue)) {
- throw new globalObject.TypeError("'nextNode' called on an object that is not a valid instance of TreeWalker.");
- }
- return utils.tryWrapperForImpl(esValue[implSymbol].nextNode());
- }
- get root() {
- const esValue = this !== null && this !== undefined ? this : globalObject;
- if (!exports.is(esValue)) {
- throw new globalObject.TypeError("'get root' called on an object that is not a valid instance of TreeWalker.");
- }
- return utils.getSameObject(this, "root", () => {
- return utils.tryWrapperForImpl(esValue[implSymbol]["root"]);
- });
- }
- get whatToShow() {
- const esValue = this !== null && this !== undefined ? this : globalObject;
- if (!exports.is(esValue)) {
- throw new globalObject.TypeError(
- "'get whatToShow' called on an object that is not a valid instance of TreeWalker."
- );
- }
- return esValue[implSymbol]["whatToShow"];
- }
- get filter() {
- const esValue = this !== null && this !== undefined ? this : globalObject;
- if (!exports.is(esValue)) {
- throw new globalObject.TypeError(
- "'get filter' called on an object that is not a valid instance of TreeWalker."
- );
- }
- return utils.tryWrapperForImpl(esValue[implSymbol]["filter"]);
- }
- get currentNode() {
- const esValue = this !== null && this !== undefined ? this : globalObject;
- if (!exports.is(esValue)) {
- throw new globalObject.TypeError(
- "'get currentNode' called on an object that is not a valid instance of TreeWalker."
- );
- }
- return utils.tryWrapperForImpl(esValue[implSymbol]["currentNode"]);
- }
- set currentNode(V) {
- const esValue = this !== null && this !== undefined ? this : globalObject;
- if (!exports.is(esValue)) {
- throw new globalObject.TypeError(
- "'set currentNode' called on an object that is not a valid instance of TreeWalker."
- );
- }
- V = Node.convert(globalObject, V, {
- context: "Failed to set the 'currentNode' property on 'TreeWalker': The provided value"
- });
- esValue[implSymbol]["currentNode"] = V;
- }
- }
- Object.defineProperties(TreeWalker.prototype, {
- parentNode: { enumerable: true },
- firstChild: { enumerable: true },
- lastChild: { enumerable: true },
- previousSibling: { enumerable: true },
- nextSibling: { enumerable: true },
- previousNode: { enumerable: true },
- nextNode: { enumerable: true },
- root: { enumerable: true },
- whatToShow: { enumerable: true },
- filter: { enumerable: true },
- currentNode: { enumerable: true },
- [Symbol.toStringTag]: { value: "TreeWalker", configurable: true }
- });
- ctorRegistry[interfaceName] = TreeWalker;
- Object.defineProperty(globalObject, interfaceName, {
- configurable: true,
- writable: true,
- value: TreeWalker
- });
- };
- const Impl = require("../../jsdom/living/traversal/TreeWalker-impl.js");
|