1 files changed, 47 insertions, 0 deletions
diff --git a/static/js/copyCodeToClipboard.js b/static/js/copyCodeToClipboard.js
new file mode 100644
index 0000000..805eb59
--- /dev/null
+++ b/static/js/copyCodeToClipboard.js
@@ -0,0 +1,47 @@
+const copiedText = document.getElementById('copy-success').textContent;
+const initCopyText = document.getElementById('copy-init').textContent;
+
+const changeIcon = (copyDiv, className) => {
+    copyDiv.classList.add(className);
+    copyDiv.setAttribute('aria-label', copiedText);
+    setTimeout(() => {
+        copyDiv.classList.remove(className);
+        copyDiv.setAttribute('aria-label', initCopyText);
+    }, 2500);
+};
+
+const addCopyEventListenerToDiv = (copyDiv, block) => {
+    copyDiv.addEventListener('click', () => copyCodeAndChangeIcon(copyDiv, block));
+};
+
+const copyCodeAndChangeIcon = async (copyDiv, block) => {
+    const code = block.querySelector('table')
+        ? getTableCode(block)
+        : getNonTableCode(block);
+    try {
+        await navigator.clipboard.writeText(code);
+        changeIcon(copyDiv, 'checked');
+    } catch (error) {
+        changeIcon(copyDiv, 'error');
+    }
+};
+
+const getNonTableCode = (block) => {
+    return [...block.querySelectorAll('code')].map((code) => code.textContent).join('');
+};
+
+const getTableCode = (block) => {
+    return [...block.querySelectorAll('tr')]
+        .map((row) => row.querySelector('td:last-child')?.innerText ?? '')
+        .join('');
+};
+
+document.querySelectorAll('pre:not(.mermaid)').forEach((block) => {
+    const copyDiv = document.createElement('div');
+    copyDiv.setAttribute('role', 'button');
+    copyDiv.setAttribute('aria-label', initCopyText);
+    copyDiv.setAttribute('title', initCopyText);
+    copyDiv.className = 'copy-code';
+    block.prepend(copyDiv);
+    addCopyEventListenerToDiv(copyDiv, block);
+});