demos/DynamicallyAddExternalIcon.html

<!--
    Codepen sample: https://codepen.io/geospatialem/pen/OJoRgXq
-->

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Dynamically Add External Links</title>
    <script type="module" src="https://js.arcgis.com/calcite-components/1.0.7/calcite.esm.js"></script>
    <link rel="stylesheet" type="text/css" href="https://js.arcgis.com/calcite-components/1.0.7/calcite.css">
    <style>
        calcite-link {
            display: flex;
            margin: 1rem;
        }

        calcite-button[target="_blank"]::after,
        calcite-link[target="_blank"]::after {
            content: " (opens in new tab)";
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }
    </style>

</head>

<body>
    <!-- Icon not added -->
    <calcite-link href="https://developers.arcgis.com">ArcGIS Developers</calcite-link>

    <!-- Icon added on-the-fly when target is set to blank -->
    <calcite-link href="https://developers.arcgis.com/calcite-design-system" target="_blank">Calcite Design
        System</calcite-link>
    <script>
        (async () => {
            await customElements.whenDefined("calcite-link");
            const calLink = document.querySelectorAll("calcite-link");
            for (let i = 0; i < calLink.length; i++) {
                if (calLink[i].target === "_blank" && !calLink[i].iconEnd) {
                    calLink[i].iconEnd = "launch";
                }
            }
            await customElements.whenDefined("calcite-button");
            const calBtn = document.querySelectorAll("calcite-button");
            for (let i = 0; i < calBtn.length; i++) {
                if (calBtn[i].target === "_blank" && !calBtn[i].iconEnd) {
                    calBtn[i].iconEnd = "launch";
                }
            }
        })();

    </script>
</body>

</html>