mirror of
https://github.com/arsenetar/PrismHighlight.git
synced 2025-07-03 21:53:20 +00:00
24 lines
751 B
JavaScript
24 lines
751 B
JavaScript
Prism.hooks.add('after-highlight', function (env) {
|
|
// works only for <code> wrapped inside <pre data-line-numbers> (not inline)
|
|
var pre = env.element.parentNode;
|
|
if (!pre || !/pre/i.test(pre.nodeName) || pre.className.indexOf('line-numbers') === -1) {
|
|
return;
|
|
}
|
|
|
|
var linesNum = (1 + env.code.split('\n').length);
|
|
var lineNumbersWrapper;
|
|
|
|
lines = new Array(linesNum);
|
|
lines = lines.join('<span></span>');
|
|
|
|
lineNumbersWrapper = document.createElement('span');
|
|
lineNumbersWrapper.className = 'line-numbers-rows';
|
|
lineNumbersWrapper.innerHTML = lines;
|
|
|
|
if (pre.hasAttribute('data-start')) {
|
|
pre.style.counterReset = 'linenumber ' + (parseInt(pre.getAttribute('data-start'), 10) - 1);
|
|
}
|
|
|
|
env.element.appendChild(lineNumbersWrapper);
|
|
|
|
}); |