29 lines
1.0 KiB
JavaScript
29 lines
1.0 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.toBeEmptyDOMElement = toBeEmptyDOMElement;
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var _utils = require("./utils");
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function toBeEmptyDOMElement(element) {
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(0, _utils.checkHtmlElement)(element, toBeEmptyDOMElement, this);
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return {
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pass: isEmptyElement(element),
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message: () => {
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return [this.utils.matcherHint(`${this.isNot ? '.not' : ''}.toBeEmptyDOMElement`, 'element', ''), '', 'Received:', ` ${this.utils.printReceived(element.innerHTML)}`].join('\n');
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}
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};
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}
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/**
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* Identifies if an element doesn't contain child nodes (excluding comments)
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* ℹ Node.COMMENT_NODE can't be used because of the following issue
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* https://github.com/jsdom/jsdom/issues/2220
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*
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* @param {*} element an HtmlElement or SVGElement
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* @return {*} true if the element only contains comments or none
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*/
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function isEmptyElement(element) {
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const nonCommentChildNodes = [...element.childNodes].filter(node => node.nodeType !== 8);
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return nonCommentChildNodes.length === 0;
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}
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