"use strict";
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const conversions = require("webidl-conversions");
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const utils = require("./utils.js");
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const convertNode = require("./Node.js").convert;
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const impl = utils.implSymbol;
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function TreeWalker() {
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throw new TypeError("Illegal constructor");
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}
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Object.defineProperty(TreeWalker, "prototype", {
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value: TreeWalker.prototype,
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writable: false,
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enumerable: false,
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configurable: false
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});
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TreeWalker.prototype.parentNode = function parentNode() {
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if (!this || !module.exports.is(this)) {
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throw new TypeError("Illegal invocation");
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}
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return utils.tryWrapperForImpl(this[impl].parentNode());
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};
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TreeWalker.prototype.firstChild = function firstChild() {
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if (!this || !module.exports.is(this)) {
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throw new TypeError("Illegal invocation");
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}
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return utils.tryWrapperForImpl(this[impl].firstChild());
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};
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TreeWalker.prototype.lastChild = function lastChild() {
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if (!this || !module.exports.is(this)) {
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throw new TypeError("Illegal invocation");
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}
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return utils.tryWrapperForImpl(this[impl].lastChild());
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};
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TreeWalker.prototype.previousSibling = function previousSibling() {
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if (!this || !module.exports.is(this)) {
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throw new TypeError("Illegal invocation");
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}
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return utils.tryWrapperForImpl(this[impl].previousSibling());
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};
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TreeWalker.prototype.nextSibling = function nextSibling() {
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if (!this || !module.exports.is(this)) {
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throw new TypeError("Illegal invocation");
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}
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return utils.tryWrapperForImpl(this[impl].nextSibling());
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};
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TreeWalker.prototype.previousNode = function previousNode() {
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if (!this || !module.exports.is(this)) {
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throw new TypeError("Illegal invocation");
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}
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return utils.tryWrapperForImpl(this[impl].previousNode());
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};
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TreeWalker.prototype.nextNode = function nextNode() {
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if (!this || !module.exports.is(this)) {
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throw new TypeError("Illegal invocation");
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}
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return utils.tryWrapperForImpl(this[impl].nextNode());
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};
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Object.defineProperty(TreeWalker.prototype, "root", {
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get() {
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if (!this || !module.exports.is(this)) {
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throw new TypeError("Illegal invocation");
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}
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return utils.getSameObject(this, "root", () => {
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return utils.tryWrapperForImpl(this[impl]["root"]);
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});
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},
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enumerable: true,
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configurable: true
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});
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Object.defineProperty(TreeWalker.prototype, "whatToShow", {
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get() {
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if (!this || !module.exports.is(this)) {
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throw new TypeError("Illegal invocation");
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}
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return this[impl]["whatToShow"];
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},
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enumerable: true,
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configurable: true
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});
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Object.defineProperty(TreeWalker.prototype, "filter", {
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get() {
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if (!this || !module.exports.is(this)) {
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throw new TypeError("Illegal invocation");
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}
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return utils.tryWrapperForImpl(this[impl]["filter"]);
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},
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enumerable: true,
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configurable: true
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});
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Object.defineProperty(TreeWalker.prototype, "currentNode", {
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get() {
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if (!this || !module.exports.is(this)) {
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throw new TypeError("Illegal invocation");
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}
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return utils.tryWrapperForImpl(this[impl]["currentNode"]);
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},
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set(V) {
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if (!this || !module.exports.is(this)) {
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throw new TypeError("Illegal invocation");
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}
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V = convertNode(V, { context: "Failed to set the 'currentNode' property on 'TreeWalker': The provided value" });
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this[impl]["currentNode"] = V;
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},
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enumerable: true,
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configurable: true
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});
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Object.defineProperty(TreeWalker.prototype, Symbol.toStringTag, {
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value: "TreeWalker",
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writable: false,
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enumerable: false,
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configurable: true
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});
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const iface = {
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// When an interface-module that implements this interface as a mixin is loaded, it will append its own `.is()`
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// method into this array. It allows objects that directly implements *those* interfaces to be recognized as
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// implementing this mixin interface.
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_mixedIntoPredicates: [],
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is(obj) {
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if (obj) {
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if (utils.hasOwn(obj, impl) && obj[impl] instanceof Impl.implementation) {
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return true;
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}
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for (const isMixedInto of module.exports._mixedIntoPredicates) {
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if (isMixedInto(obj)) {
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return true;
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}
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}
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}
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return false;
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},
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isImpl(obj) {
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if (obj) {
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if (obj instanceof Impl.implementation) {
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return true;
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}
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const wrapper = utils.wrapperForImpl(obj);
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for (const isMixedInto of module.exports._mixedIntoPredicates) {
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if (isMixedInto(wrapper)) {
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return true;
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}
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}
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}
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return false;
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},
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convert(obj, { context = "The provided value" } = {}) {
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if (module.exports.is(obj)) {
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return utils.implForWrapper(obj);
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}
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throw new TypeError(`${context} is not of type 'TreeWalker'.`);
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},
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create(constructorArgs, privateData) {
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let obj = Object.create(TreeWalker.prototype);
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obj = this.setup(obj, constructorArgs, privateData);
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return obj;
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},
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createImpl(constructorArgs, privateData) {
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let obj = Object.create(TreeWalker.prototype);
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obj = this.setup(obj, constructorArgs, privateData);
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return utils.implForWrapper(obj);
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},
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_internalSetup(obj) {},
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setup(obj, constructorArgs, privateData) {
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if (!privateData) privateData = {};
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privateData.wrapper = obj;
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this._internalSetup(obj);
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Object.defineProperty(obj, impl, {
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value: new Impl.implementation(constructorArgs, privateData),
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writable: false,
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enumerable: false,
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configurable: true
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});
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obj[impl][utils.wrapperSymbol] = obj;
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if (Impl.init) {
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Impl.init(obj[impl], privateData);
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}
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return obj;
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},
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interface: TreeWalker,
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expose: {
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Window: { TreeWalker }
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}
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}; // iface
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module.exports = iface;
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const Impl = require("../traversal/TreeWalker-impl.js");
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