57 lines
1.7 KiB
JavaScript
57 lines
1.7 KiB
JavaScript
// Based on https://www.roboleary.net/2022/01/13/copy-code-to-clipboard-blog.html
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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
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let button = document.createElement("button");
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let copyCodeText = document.getElementById("copy-code-text").textContent;
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button.setAttribute("title", copyCodeText)
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button.appendChild(icon);
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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(title);
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header.appendChild(button);
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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, button); // Pass the button here
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});
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}
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});
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async function copyCode(block, header, button) {
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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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button.setAttribute("disabled", true);
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header.addEventListener("animationend", () => {
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header.classList.remove("active");
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button.removeAttribute("disabled");
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}, { once: true });
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}
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});
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