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Copy to clipboard feature for code block (#152)

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Co-authored-by: Jacky Zhao <j.zhao2k19@gmail.com>
This commit is contained in:
Geoffrey Garrett 2022-07-03 20:42:35 +02:00 • committed by GitHub
parent 015ed4cfa2
commit f54df35767
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GPG key ID: 4AEE18F83AFDEB23
6 changed files with 114 additions and 14 deletions
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38
assets/js/clipboard.js Normal file
View file

@ -0,0 +1,38 @@
const svgCopy =
'<svg aria-hidden="true" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true"><path fill-rule="evenodd" d="M0 6.75C0 5.784.784 5 1.75 5h1.5a.75.75 0 010 1.5h-1.5a.25.25 0 00-.25.25v7.5c0 .138.112.25.25.25h7.5a.25.25 0 00.25-.25v-1.5a.75.75 0 011.5 0v1.5A1.75 1.75 0 019.25 16h-7.5A1.75 1.75 0 010 14.25v-7.5z"></path><path fill-rule="evenodd" d="M5 1.75C5 .784 5.784 0 6.75 0h7.5C15.216 0 16 .784 16 1.75v7.5A1.75 1.75 0 0114.25 11h-7.5A1.75 1.75 0 015 9.25v-7.5zm1.75-.25a.25.25 0 00-.25.25v7.5c0 .138.112.25.25.25h7.5a.25.25 0 00.25-.25v-7.5a.25.25 0 00-.25-.25h-7.5z"></path></svg>';
const svgCheck =
'<svg aria-hidden="true" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true"><path fill-rule="evenodd" fill="rgb(63, 185, 80)" d="M13.78 4.22a.75.75 0 010 1.06l-7.25 7.25a.75.75 0 01-1.06 0L2.22 9.28a.75.75 0 011.06-1.06L6 10.94l6.72-6.72a.75.75 0 011.06 0z"></path></svg>';
const addCopyButtons = () => {
let els = document.getElementsByClassName("highlight");
// for each highlight
for (let 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", () => {
navigator.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)
}
}

2
assets/js/darkmode.js
View file

@ -8,7 +8,7 @@ const syntaxTheme = document.querySelector("#theme-link");
if (currentTheme) {
document.documentElement.setAttribute('saved-theme', currentTheme);
(currentTheme === 'dark') ? syntaxTheme.href = '{{ $darkSyntax.Permalink }}' : syntaxTheme.href = '{{ $lightSyntax.Permalink }}';
syntaxTheme.href = currentTheme === 'dark' ? '{{ $darkSyntax.Permalink }}' : '{{ $lightSyntax.Permalink }}';
}
const switchTheme = (e) => {