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Commit 498566d

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muanmuan
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Pull shadow dom demo code out
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‎example/index.html‎

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@@ -2,6 +2,7 @@
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<script src="./shadow-demo.js"></script>
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<!-- <script type="module" src="../dist/index.js"></script> -->
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<script type="module" src="https://unpkg.com/@github/details-dialog-element@latest"></script>
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<script type="text/javascript" src="https://unpkg.com/@github/include-fragment-element@latest"></script>
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<button type="button" class="btn mt-4" onclick="document.querySelector('details').open = true">JS trigger: focus should return here</button>
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<div id="shadow">
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</div>
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<template id="shadow-template">
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<style>
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details {
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margin-top: 2em;
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}
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summary {
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padding: .5em;
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border: 1px solid;
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border-radius: .3em;
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display: inline-block;
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}
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details[open] summary:before {
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position: fixed;
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content: '';
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display: block;
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left: 0;
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right: 0;
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bottom: 0;
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top: 0;
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background: rgba(0, 0, 0, 0.3);
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}
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details-dialog {
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position: fixed;
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height: 50vh;
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top: 50%;
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margin-top: -25vh;
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width: 50vw;
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min-width: 20em;
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left: 50%;
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transform: translateX(-50%);
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background: #fff;
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border-radius: .5em;
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padding: 1em;
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}
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</style>
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<details>
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<summary>Dialog with Shadow DOM</summary>
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<details-dialog aria-label="Shadow dialog">
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<button type="button" data-close-dialog>Close</button>
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content
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<button type="button" data-close-dialog>Close</button>
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</details-dialog>
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</details>
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</template>
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<script>
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const shadow = document.getElementById('shadow')
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const template = document.getElementById('shadow-template')
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const root = shadow.attachShadow({mode: 'open'})
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root.append(template.content.cloneNode(true))
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</script>
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<shadow-dialog></shadow-dialog>
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</body>
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</html>

‎example/shadow-demo.js‎

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class ShadowDialog extends HTMLElement {
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constructor() {
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super()
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const root = this.attachShadow({mode: 'open'})
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root.innerHTML = `
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<style>
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details {
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margin-top: 2em;
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}
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summary {
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padding: .5em;
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border: 1px solid;
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border-radius: .3em;
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display: inline-block;
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}
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details[open] summary:before {
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position: fixed;
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content: '';
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display: block;
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left: 0;
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right: 0;
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bottom: 0;
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top: 0;
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background: rgba(0, 0, 0, 0.3);
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}
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details-dialog {
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position: fixed;
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height: 50vh;
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top: 50%;
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margin-top: -25vh;
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width: 50vw;
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min-width: 20em;
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left: 50%;
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transform: translateX(-50%);
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background: #fff;
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border-radius: .5em;
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padding: 1em;
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}
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</style>
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<details>
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<summary>Dialog with Shadow DOM</summary>
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<details-dialog aria-label="Shadow dialog">
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<button type="button" data-close-dialog>Close</button>
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content
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<button type="button" data-close-dialog>Close</button>
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</details-dialog>
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</details>`
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}
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}
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window.customElements.define('shadow-dialog', ShadowDialog)

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