47 lines
2.0 KiB
HTML
47 lines
2.0 KiB
HTML
{{ $uniq := .Inner | htmlEscape | md5 | lower }}
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<div class="demo-container">
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{{ if .Get "caption" }}
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<figure role="group" aria-labelledby="caption-{{ $uniq }}">
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{{ end }}
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<div class="demo" id="js-demo-{{ $uniq }}"></div>
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{{ if .Get "caption" }}
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<figcaption id="caption-{{ $uniq }}">{{ .Get "caption" | markdownify }}</figcaption>
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{{ end }}
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{{ if .Get "caption" }}
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</figure>
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{{ end }}
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<template id="template-{{ $uniq }}">
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{{ .Inner }}
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</template>
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<button data-launch="js-demo-{{ $uniq }}">Launch in separate window</button>
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<script>
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(function() {
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var root = document.getElementById('js-demo-{{ $uniq }}');
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var template = document.getElementById('template-{{ $uniq }}');
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var script = template.content.querySelector('script');
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if (script) {
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var standaloneScript = '(function() { document.getElementsByTagName(\'html\')[0].setAttribute(\'lang\', \'en\'); var demo = document; ' + script.textContent + ' })()';
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var wrappedScript = '(function() { var demo = document.getElementById(\'js-demo-{{ $uniq }}\').shadowRoot;' + script.textContent + '})()';
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script.textContent = wrappedScript;
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}
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if (document.head.attachShadow) {
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root.attachShadow({mode: 'open'});
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root.shadowRoot.appendChild(document.importNode(template.content, true));
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} else {
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root.innerHTML = '<p class="site-error"><strong style="font-weight:bold">Site error:</strong> A browser supporting Shadow DOM is needed to run encapsulated demos. You can launch the demo in a separate window ↓</p>';
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}
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var launchButton = document.querySelector('[data-launch="js-demo-{{ $uniq }}"]');
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launchButton.addEventListener('click', function () {
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var demoContent = template.content;
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var standalone = window.open();
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script.textContent = standaloneScript;
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standalone.document.body.appendChild(document.importNode(template.content, true));
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standalone.document.title = 'demo ' + {{ $uniq }}
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});
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})();
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</script>
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</div>
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