const svgCopy =
'';
const svgCheck =
'';
const addCopyButtons = (clipboard) => {
var els = document.getElementsByClassName("highlight");
// for each highlight
for (var i = 0; i < els.length; i++) {
if (els[i].getElementsByClassName("clipboard-button").length) continue;
// find pre > code inside els[i]
let codeBlocks = els[i].getElementsByTagName("code");
// line numbers are inside first code block
let lastCodeBlock = codeBlocks[codeBlocks.length - 1];
const button = document.createElement("button");
button.className = "clipboard-button";
button.type = "button";
button.innerHTML = svgCopy;
// remove every second newline from lastCodeBlock.innerText
button.addEventListener("click", () => {
clipboard.writeText(lastCodeBlock.innerText.replace(/\n\n/g, "\n")).then(
() => {
button.blur();
button.innerHTML = svgCheck;
setTimeout(() => (button.innerHTML = svgCopy), 2000);
},
(error) => (button.innerHTML = "Error")
);
});
// find chroma inside els[i]
let chroma = els[i].getElementsByClassName("chroma")[0];
els[i].insertBefore(button, chroma);
console.log(els[i].lastChild)
}
}
function initClipboard() {
if (navigator && navigator.clipboard) {
addCopyButtons(navigator.clipboard);
} else {
const script = document.createElement("script");
script.src =
"https://cdnjs.cloudflare.com/ajax/libs/clipboard-polyfill/2.7.0/clipboard-polyfill.promise.js";
script.integrity = "sha256-waClS2re9NUbXRsryKoof+F9qc1gjjIhc2eT7ZbIv94=";
script.crossOrigin = "anonymous";
script.onload = () => addCopyButtons(clipboard);
document.body.appendChild(script);
}
}