73bcce88
 luigser
COMPONENTS
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
Prism.hooks.add('after-highlight', function (env) {
// works only for <code> wrapped inside <pre> (not inline)
var pre = env.element.parentNode;
var clsReg = /\s*\bline-numbers\b\s*/;
if (
!pre || !/pre/i.test(pre.nodeName) ||
// Abort only if nor the <pre> nor the <code> have the class
(!clsReg.test(pre.className) && !clsReg.test(env.element.className))
) {
return;
}
if (clsReg.test(env.element.className)) {
// Remove the class "line-numbers" from the <code>
env.element.className = env.element.className.replace(clsReg, '');
}
if (!clsReg.test(pre.className)) {
// Add the class "line-numbers" to the <pre>
pre.className += ' line-numbers';
}
var linesNum = (1 + env.code.split('\n').length);
var lineNumbersWrapper;
var 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);
});
|
