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// https://aaronluna.dev/blog/add-copy-button-to-code-blocks-hugo-chroma/
// Further modified for Zola by Jieiku: https://github.com/Jieiku
(function() {
// create copy button
function ccb(highlightDiv) {
const button = document.createElement("button");
button.className = "cc ";
button.type = "button";
button.innerHTML = "Copy";
button.addEventListener("click", () =>
ccc(button, highlightDiv)
);
// addCopyButtonToDom
const wrapper = document.createElement("div");
wrapper.className = "ccw";
wrapper.appendChild(button);
highlightDiv.parentNode.insertBefore(wrapper, highlightDiv);
wrapper.appendChild(highlightDiv);
}
// copy code clipboard
async function ccc(button, highlightDiv) {
//look for table, if so do it different
const { length } = highlightDiv.querySelectorAll("table");
let codeToCopy = "";
if (length > 0) {
const items = highlightDiv.querySelectorAll(":last-child > tr > td:last-child");
items.forEach(item => {
codeToCopy = codeToCopy + item.innerText;
//console.log(codeToCopy);
});
} else {
codeToCopy = highlightDiv.querySelector(":last-child > code").innerText;
}
try {
result = await navigator.permissions.query({ name: "clipboard-write" });
if (result.state == "granted" || result.state == "prompt") {
await navigator.clipboard.writeText(codeToCopy);
} else {
cce(codeToCopy, highlightDiv);//copyCodeBlockExecCommand
}
} catch (_) {
cce(codeToCopy, highlightDiv);//copyCodeBlockExecCommand
} finally {
//codeWasCopied
//button.blur();
button.innerHTML = "Copied";
setTimeout(function () {
button.innerHTML = "Copy";
}, 2000);
}
}
//copyCodeBlockExecCommand
function cce(codeToCopy, highlightDiv) {
const textArea = document.createElement("textArea");
textArea.contentEditable = "true";
textArea.readOnly = "false";
textArea.className = "copyable-text-area";
textArea.value = codeToCopy;
highlightDiv.insertBefore(textArea, highlightDiv.firstChild);
const range = document.createRange();
range.selectNodeContents(textArea);
const sel = window.getSelection();
sel.removeAllRanges();
sel.addRange(range);
textArea.setSelectionRange(0, 999999);
document.execCommand("copy");
highlightDiv.removeChild(textArea);
}
document
.querySelectorAll("pre")
.forEach((highlightDiv) => ccb(highlightDiv));
})();
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