67 lines
2.4 KiB
JavaScript
67 lines
2.4 KiB
JavaScript
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var scriptBundle = document.getElementById("script-bundle");
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var copyText = scriptBundle && scriptBundle.getAttribute("data-copy")? scriptBundle.getAttribute("data-copy") : "Copy";
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var copiedText = scriptBundle && scriptBundle.getAttribute("data-copied")? scriptBundle.getAttribute("data-copied") : "Copied";
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function createCopyButton(highlightDiv) {
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const button = document.createElement("button");
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button.className = "copy-button";
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button.type = "button";
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button.ariaLabel = copyText;
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button.innerText = copyText;
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button.addEventListener("click", () => copyCodeToClipboard(button, highlightDiv));
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addCopyButtonToDom(button, highlightDiv);
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}
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async function copyCodeToClipboard(button, highlightDiv) {
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const codeToCopy = highlightDiv.querySelector(":last-child").innerText;
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try {
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result = await navigator.permissions.query({ name: "clipboard-write" });
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if (result.state == "granted" || result.state == "prompt") {
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await navigator.clipboard.writeText(codeToCopy);
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} else {
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copyCodeBlockExecCommand(codeToCopy, highlightDiv);
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}
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} catch (_) {
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copyCodeBlockExecCommand(codeToCopy, highlightDiv);
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} finally {
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codeWasCopied(button);
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}
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}
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function copyCodeBlockExecCommand(codeToCopy, highlightDiv) {
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const textArea = document.createElement("textArea");
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textArea.contentEditable = "true";
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textArea.readOnly = "false";
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textArea.className = "copy-textarea";
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textArea.value = codeToCopy;
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highlightDiv.insertBefore(textArea, highlightDiv.firstChild);
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const range = document.createRange();
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range.selectNodeContents(textArea);
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const sel = window.getSelection();
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sel.removeAllRanges();
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sel.addRange(range);
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textArea.setSelectionRange(0, 999999);
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document.execCommand("copy");
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highlightDiv.removeChild(textArea);
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}
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function codeWasCopied(button) {
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button.blur();
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button.innerText = copiedText;
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setTimeout(function () {
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button.innerText = copyText;
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}, 2000);
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}
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function addCopyButtonToDom(button, highlightDiv) {
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highlightDiv.insertBefore(button, highlightDiv.firstChild);
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const wrapper = document.createElement("div");
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wrapper.className = "highlight-wrapper";
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highlightDiv.parentNode.insertBefore(wrapper, highlightDiv);
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wrapper.appendChild(highlightDiv);
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}
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window.addEventListener("DOMContentLoaded", (event) => {
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document.querySelectorAll(".highlight").forEach((highlightDiv) => createCopyButton(highlightDiv));
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});
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