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Support folding code blocks in tabs #694

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merged 1 commit into from
Sep 8, 2023
Merged

Support folding code blocks in tabs #694

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4 changes: 4 additions & 0 deletions source/js/next-boot.js
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,10 @@ NexT.boot.registerEvents = function() {
target && target.click();
}
});

window.addEventListener('tabs:click', e => {
NexT.utils.registerCodeblock(e.target);
});
};

NexT.boot.refresh = function() {
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45 changes: 26 additions & 19 deletions source/js/utils.js
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Original file line number Diff line number Diff line change
Expand Up @@ -39,47 +39,54 @@ NexT.utils = {
});
},

registerCodeblock: function() {
let figure = document.querySelectorAll('figure.highlight');
registerCodeblock: function(element) {
const inited = !!element;
let figure = (inited ? element : document).querySelectorAll('figure.highlight');
let isHljsWithWrap = true;
if (figure.length === 0) {
figure = document.querySelectorAll('pre:not(.mermaid)');
isHljsWithWrap = false;
}
figure.forEach(element => {
let span = element.querySelectorAll('.code .line span');
if (span.length === 0) {
// Hljs without line_number and wrap
span = element.querySelectorAll('code.highlight span');
}
span.forEach(s => {
s.classList.forEach(name => {
s.classList.replace(name, `hljs-${name}`);
if (!inited) {
let span = element.querySelectorAll('.code .line span');
if (span.length === 0) {
// Hljs without line_number and wrap
span = element.querySelectorAll('code.highlight span');
}
span.forEach(s => {
s.classList.forEach(name => {
s.classList.replace(name, `hljs-${name}`);
});
});
});
}
const height = parseInt(window.getComputedStyle(element).height.replace('px', ''), 10);
const needFold = CONFIG.fold.enable && (height > CONFIG.fold.height);
if (!needFold && !CONFIG.copycode.enable) return;
let target;
if (isHljsWithWrap && CONFIG.copycode.style === 'mac') {
target = element;
} else {
// https://github.com/next-theme/hexo-theme-next/issues/98
// https://github.com/next-theme/hexo-theme-next/pull/508
const container = element.querySelector('.table-container') || element;
const box = document.createElement('div');
box.className = 'code-container';
container.wrap(box);
let box = element.querySelector('.code-container');
if (!box) {
// https://github.com/next-theme/hexo-theme-next/issues/98
// https://github.com/next-theme/hexo-theme-next/pull/508
const container = element.querySelector('.table-container') || element;
box = document.createElement('div');
box.className = 'code-container';
container.wrap(box);
}
target = box;
}
if (needFold) {
if (needFold && !target.classList.contains('unfold')) {
target.classList.add('highlight-fold');
target.insertAdjacentHTML('beforeend', '<div class="fold-cover"></div><div class="expand-btn"><i class="fa fa-angle-down fa-fw"></i></div>');
target.querySelector('.expand-btn').addEventListener('click', () => {
target.classList.remove('highlight-fold');
target.classList.add('unfold');
});
}
if (!CONFIG.copycode.enable) return;
if (inited || !CONFIG.copycode.enable) return;
// One-click copy code support.
target.insertAdjacentHTML('beforeend', '<div class="copy-btn"><i class="fa fa-copy fa-fw"></i></div>');
const button = target.querySelector('.copy-btn');
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