63 lines
1.8 KiB
HTML
63 lines
1.8 KiB
HTML
{#- Based on https://www.roboleary.net/2022/01/13/copy-code-to-clipboard-blog.html -#}
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<script type="text/javascript">
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document.addEventListener("DOMContentLoaded", function () {
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let blocks = document.querySelectorAll("pre[class^='language-']");
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blocks.forEach((block) => {
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if (navigator.clipboard) {
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// Code block header title
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let title = document.createElement("span");
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let lang = block.getAttribute("data-lang");
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title.innerHTML = lang;
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// Copy button icon
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let icon = document.createElement("i");
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icon.classList.add("icon");
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// Copy button label (for screen readers)
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let label = document.createElement("span");
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label.classList.add("hidden");
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label.innerHTML = "{{ macros_translate::translate(key='copy_code', default='Copy code', language_strings=language_strings) }}";
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// Copy button
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let button = document.createElement("button");
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button.appendChild(icon);
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button.appendChild(label);
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// Code block header
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let header = document.createElement("div");
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header.classList.add("header");
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header.appendChild(button);
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header.appendChild(title);
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// Container that holds header and the code block itself
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let container = document.createElement("div");
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container.classList.add("pre-container");
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container.appendChild(header);
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// Move code block into the container
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block.parentNode.insertBefore(container, block);
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container.appendChild(block);
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button.addEventListener("click", async () => {
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await copyCode(block, header);
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});
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}
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});
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async function copyCode(block, header) {
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let code = block.querySelector("code");
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let text = code.innerText;
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await navigator.clipboard.writeText(text);
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header.classList.add("active");
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setTimeout(() => {
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header.classList.remove("active");
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}, 800);
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}
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});
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</script>
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