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@stylable/dom-test-kit

v6.1.1

Published

Stylable DOM testing utilities

Downloads

7,924

Readme

@stylable/dom-test-kit

npm version

@stylable/dom-test-kit is comprised of a single class, StylableDOMUtil, which exposes several DOM related testing utilities.

Example

/* my-component.st.css */
.root {}

.part {
  -st-states: loading;
}
/* test.ts */
import { StylableDOMUtil } from '@stylable/dom-test-kit';
import * as stylesheet from './my-component.st.css';

const domUtil = new StylableDOMUtil(stylesheet, document.body);
const partElement = domUtil.select('.part');

if (partElement) {
    domUtil.hasStyleState(partElement, 'loading');
}

What does it do?

Note: currently all of the provided utilities support only simplified Stylable selectors, consisting only of class and pseudo-class selectors.

constructor(style: RuntimeStylesheet, root?: Element)

Initialize the StylableDOMUtil by providing a source stylesheet that would function as the base for all testing utilities. You may pass a DOM root element to serve as the default entry point for the select methods,

select(selector?: string, element?: Element): Element | null

Select the first element in the DOM that matches the provided Stylable selector.

selectAll(selector?: string, element?: Element): Element[] | null

Select all elements in the DOM that match the provided Stylable selector.

scopeSelector(selector?: string): string

Transforms a Stylable selector to its target vanilla CSS.

hasStyleState(element: Element, stateName: string, param: StateValue = true): boolean

Check whether the provided element has the corresponding state set. This method can also receive a third optional param to validate the state active value.

getStyleState(element: Element, stateName: string): string | null

Get an element state value if exists, null if it does not.

License

Copyright (c) 2017 Wix.com Ltd. All Rights Reserved. Use of this source code is governed by a MIT license.