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32 lines
1.0 KiB
32 lines
1.0 KiB
"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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} |