"use strict";
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const DOMException = require("domexception");
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const HTMLElementImpl = require("./HTMLElement-impl").implementation;
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const HTMLCollection = require("../generated/HTMLCollection");
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const { HTML_NS } = require("../helpers/namespaces");
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const { childrenByHTMLLocalNames } = require("../helpers/traversal");
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const { domSymbolTree } = require("../helpers/internal-constants");
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const cellLocalNames = new Set(["td", "th"]);
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class HTMLTableRowElementImpl extends HTMLElementImpl {
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get cells() {
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if (!this._cells) {
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this._cells = HTMLCollection.createImpl([], {
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element: this,
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query: () => childrenByHTMLLocalNames(this, cellLocalNames)
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});
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}
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return this._cells;
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}
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get rowIndex() {
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const parent = this.parentElement;
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if (parent === null || parent.namespaceURI !== HTML_NS) {
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return -1;
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}
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let tableElement = parent;
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if (parent.localName === "thead" || parent.localName === "tbody" || parent.localName === "tfoot") {
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tableElement = parent.parentElement;
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}
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if (tableElement === null || tableElement.namespaceURI !== HTML_NS || tableElement.localName !== "table") {
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return -1;
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}
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return tableElement.rows.indexOf(this);
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}
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get sectionRowIndex() {
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const parent = domSymbolTree.parent(this);
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if (parent === null) {
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return -1;
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}
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const { rows } = parent;
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if (!rows) {
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return -1;
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}
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return rows.indexOf(this);
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}
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insertCell(index) {
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const td = this._ownerDocument.createElement("TD");
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const { cells } = this;
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if (index < -1 || index > cells.length) {
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throw new DOMException("The index is not in the allowed range.", "IndexSizeError");
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}
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if (index === -1 || index === cells.length) {
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this.appendChild(td);
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} else {
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const ref = cells.item(index);
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this.insertBefore(td, ref);
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}
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return td;
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}
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deleteCell(index) {
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const { cells } = this;
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if (index < -1 || index >= cells.length) {
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throw new DOMException("The index is not in the allowed range.", "IndexSizeError");
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}
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if (index === -1) {
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if (cells.length === 0) {
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return;
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}
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index = cells.length - 1;
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}
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const td = cells.item(index);
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this.removeChild(td);
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}
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}
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module.exports = {
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implementation: HTMLTableRowElementImpl
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};
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