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No support for CustomElements Shadow DOM ? #9

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BerndWessels opened this issue Sep 26, 2020 · 0 comments
Open

No support for CustomElements Shadow DOM ? #9

BerndWessels opened this issue Sep 26, 2020 · 0 comments
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bug Something isn't working

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@BerndWessels
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Summary

ARC Toolkit does not work with the websites using CustomElements Shadow DOM

Expected result

ARC Toolkit should behave like assistive technology and support CustomElements Shadow DOM

Actual result

ARC Toolkit does not recognize any elements within the CustomElements Shadow DOM

Test Case

Without CustomElements

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>ARC Toolkit Shadow DOM issue</title>
</head>
<body>
<main role="main"><h1>My Product</h1></main>
</body>
</html>

image

image

With CustomElements

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>ARC Toolkit Shadow DOM issue</title>
    <script>
        class ProductTitle extends HTMLElement {
            connectedCallback() {
                this.attachShadow({ mode: 'open' });
                this.shadowRoot.innerHTML = "<h1>My Product</h1>";
            }
        }
        customElements.define('my-product-title', ProductTitle);
    </script>
</head>
<body>
<main role="main"><my-product-title></my-product-title></main>
</body>
</html>

image

image

Additional Information

CustomElements are a widely used standard and without support for it ARC Toolkit becomes useless in most modern websites.

ARC Toolkit version

Version: 3.3.2.0

Operating System and version

Windows 10

Browser and version:

Google Chrome Version 85.0.4183.121 (Official Build) (64-bit)
@BerndWessels BerndWessels added the bug Something isn't working label Sep 26, 2020
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@BerndWessels