GoScrobble/web/node_modules/@testing-library/jest-dom/dist/to-be-empty-dom-element.js

32 lines
1.0 KiB
JavaScript
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

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