92ac10ad82
Fix #1609 --------- Signed-off-by: George Araujo <george.gcac@gmail.com> Co-authored-by: Maruan Al-Shedivat <maruan@genesistherapeutics.ai>
47 lines
2.0 KiB
JavaScript
47 lines
2.0 KiB
JavaScript
// create element for copy button in code blocks
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var codeBlocks = document.querySelectorAll('pre');
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codeBlocks.forEach(function (codeBlock) {
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if ((codeBlock.querySelector('pre:not(.lineno)') || codeBlock.querySelector('code')) && codeBlock.querySelector('code:not(.language-mermaid)')) {
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// create copy button
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var copyButton = document.createElement('button');
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copyButton.className = 'copy';
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copyButton.type = 'button';
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copyButton.ariaLabel = 'Copy code to clipboard';
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copyButton.innerText = 'Copy';
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copyButton.innerHTML = '<i class="fa-solid fa-clipboard"></i>';
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// get code from code block and copy to clipboard
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copyButton.addEventListener('click', function () {
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// check if code block has line numbers
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// i.e. `kramdown.syntax_highlighter_opts.block.line_numbers` set to true in _config.yml
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// or using `jekyll highlight` liquid tag with `linenos` option
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if (codeBlock.querySelector('pre:not(.lineno)')) {
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// get code from code block ignoring line numbers
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var code = codeBlock.querySelector('pre:not(.lineno)').innerText.trim();
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} else { // if (codeBlock.querySelector('code')) {
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// get code from code block when line numbers are not displayed
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var code = codeBlock.querySelector('code').innerText.trim();
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}
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window.navigator.clipboard.writeText(code);
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copyButton.innerText = 'Copied';
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copyButton.innerHTML = '<i class="fa-solid fa-clipboard-check"></i>';
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var waitFor = 3000;
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setTimeout(function () {
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copyButton.innerText = 'Copy';
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copyButton.innerHTML = '<i class="fa-solid fa-clipboard"></i>';
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}, waitFor);
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});
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// create wrapper div
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var wrapper = document.createElement('div');
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wrapper.className = 'code-display-wrapper';
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// add copy button and code block to wrapper div
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const parent = codeBlock.parentElement;
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parent.insertBefore(wrapper, codeBlock);
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wrapper.append(codeBlock);
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wrapper.append(copyButton);
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}
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});
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