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chore: add code copy button icons in js (#133)
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imfing authored Oct 7, 2023
1 parent 5f4c742 commit 28a20e1
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Showing 3 changed files with 70 additions and 32 deletions.
89 changes: 61 additions & 28 deletions assets/js/code-copy.js
Original file line number Diff line number Diff line change
@@ -1,30 +1,63 @@
document.querySelectorAll('.code-copy-btn').forEach(function (button) {
button.addEventListener('click', function (e) {
e.preventDefault();
const targetId = button.getAttribute('data-clipboard-target');
const target = document.querySelector(targetId);
let codeElement;
if (target.tagName === 'CODE') {
codeElement = target;
} else {
// Select the last code element in case line numbers are present
const codeElements = target.querySelectorAll('code');
codeElement = codeElements[codeElements.length - 1];
}
if (codeElement) {
// Replace double newlines with single newlines in the innerText
// as each line inside <span> has trailing newline '\n'
const code = codeElement.innerText.replace(/\n\n/g, '\n');
navigator.clipboard.writeText(code).then(function () {
button.classList.add('copied');
setTimeout(function () {
button.classList.remove('copied');
}, 500);
}).catch(function (err) {
console.error('Failed to copy text: ', err);
});
} else {
console.error('Target element not found');
}
// Copy button for code blocks

document.addEventListener('DOMContentLoaded', function () {
const getCopyIcon = () => {
const svg = document.createElementNS('http://www.w3.org/2000/svg', 'svg');
svg.innerHTML = `
<path stroke-linecap="round" stroke-linejoin="round" d="M8 16H6a2 2 0 01-2-2V6a2 2 0 012-2h8a2 2 0 012 2v2m-6 12h8a2 2 0 002-2v-8a2 2 0 00-2-2h-8a2 2 0 00-2 2v8a2 2 0 002 2z" />
`;
svg.setAttribute('fill', 'none');
svg.setAttribute('viewBox', '0 0 24 24');
svg.setAttribute('stroke', 'currentColor');
svg.setAttribute('stroke-width', '2');
return svg;
}

const getSuccessIcon = () => {
const svg = document.createElementNS('http://www.w3.org/2000/svg', 'svg');
svg.innerHTML = `
<path stroke-linecap="round" stroke-linejoin="round" d="M5 13l4 4L19 7" />
`;
svg.setAttribute('fill', 'none');
svg.setAttribute('viewBox', '0 0 24 24');
svg.setAttribute('stroke', 'currentColor');
svg.setAttribute('stroke-width', '2');
return svg;
}

document.querySelectorAll('.code-copy-btn').forEach(function (button) {
// Add copy and success icons
button.querySelector('.copy-icon')?.appendChild(getCopyIcon());
button.querySelector('.success-icon')?.appendChild(getSuccessIcon());

// Add click event listener for copy button
button.addEventListener('click', function (e) {
e.preventDefault();
const targetId = button.getAttribute('data-clipboard-target');
const target = document.querySelector(targetId);
let codeElement;
if (target.tagName === 'CODE') {
codeElement = target;
} else {
// Select the last code element in case line numbers are present
const codeElements = target.querySelectorAll('code');
codeElement = codeElements[codeElements.length - 1];
}
if (codeElement) {
// Replace double newlines with single newlines in the innerText
// as each line inside <span> has trailing newline '\n'
const code = codeElement.innerText.replace(/\n\n/g, '\n');
navigator.clipboard.writeText(code).then(function () {
button.classList.add('copied');
setTimeout(function () {
button.classList.remove('copied');
}, 500);
}).catch(function (err) {
console.error('Failed to copy text: ', err);
});
} else {
console.error('Target element not found');
}
});
});
});
3 changes: 2 additions & 1 deletion exampleSite/hugo_stats.json
Original file line number Diff line number Diff line change
Expand Up @@ -154,6 +154,7 @@
"contrast-more:text-gray-800",
"contrast-more:text-gray-900",
"contrast-more:underline",
"copy-icon",
"cursor-default",
"cursor-pointer",
"dark:before:bg-neutral-800",
Expand Down Expand Up @@ -590,4 +591,4 @@
],
"ids": null
}
}
}
10 changes: 7 additions & 3 deletions layouts/_default/_markup/render-codeblock.html
Original file line number Diff line number Diff line change
Expand Up @@ -15,9 +15,13 @@
<pre><code id="code-block-{{ .Ordinal }}">{{ .Inner }}</code></pre>
{{- end -}}
<div class="opacity-0 transition group-hover/code:opacity-100 flex gap-1 absolute m-[11px] right-0 {{ if $filename }}top-8{{ else }}top-0{{ end }}">
<button class="code-copy-btn group/copybtn transition-all active:opacity-50 bg-primary-700/5 border border-black/5 text-gray-600 hover:text-gray-900 rounded-md p-1.5 dark:bg-primary-300/10 dark:border-white/10 dark:text-gray-400 dark:hover:text-gray-50" title="Copy code" data-clipboard-target="#code-block-{{ .Ordinal }}">
{{ partial "utils/icon.html" (dict "name" "copy" "attributes" "class=\"group-[.copied]/copybtn:hidden pointer-events-none h-4 w-4\"") }}
{{ partial "utils/icon.html" (dict "name" "check" "attributes" "class=\"hidden group-[.copied]/copybtn:block success-icon pointer-events-none h-4 w-4\"") }}
<button
class="code-copy-btn group/copybtn transition-all active:opacity-50 bg-primary-700/5 border border-black/5 text-gray-600 hover:text-gray-900 rounded-md p-1.5 dark:bg-primary-300/10 dark:border-white/10 dark:text-gray-400 dark:hover:text-gray-50"
title="Copy code"
data-clipboard-target="#code-block-{{ .Ordinal }}"
>
<div class="group-[.copied]/copybtn:hidden copy-icon pointer-events-none h-4 w-4"></div>
<div class="hidden group-[.copied]/copybtn:block success-icon pointer-events-none h-4 w-4"></div>
</button>
</div>
</div>

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