github/less.js
1
1
Fork 0
mirror of https://github.com/less/less.js.git synced 2026-04-09 03:00:20 -04:00
Code Issues Packages Projects Releases Wiki Activity

patch for issue 163

Browse Source
This commit is contained in:
Ben Loveridge
2010-12-15 13:42:15 -07:00
committed by Luke Page
parent 9f0c58cfa4
commit a7c9a853e9
1 changed files with 27 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

46
lib/less/browser.js
View File

@@ -321,23 +321,23 @@ function extractId(href) {
}
function createCSS(styles, sheet, lastModified) {
var css;
// Strip the query-string
var href = sheet.href || '';
// If there is no title set, use the filename, minus the extension
var id = 'less:' + (sheet.title || extractId(href));
// If the stylesheet doesn't exist, create a new node
if ((css = document.getElementById(id)) === null) {
css = document.createElement('style');
css.type = 'text/css';
if( sheet.media ){ css.media = sheet.media; }
css.id = id;
var nextEl = sheet && sheet.nextSibling || null;
(nextEl || document.getElementsByTagName('head')[0]).parentNode.insertBefore(css, nextEl);
// If this has already been inserted into the DOM, we may need to replace it
var oldCss = document.getElementById(id);
var keepOldCss = false;
// Create a new stylesheet node for insertion or (if necessary) replacement
var css = document.createElement('style');
css.setAttribute('type', 'text/css');
if (sheet.media) {
css.setAttribute('media', sheet.media);
}
css.id = id;
if (css.styleSheet) { // IE
try {
@@ -346,15 +346,23 @@ function createCSS(styles, sheet, lastModified) {
throw new(Error)("Couldn't reassign styleSheet.cssText.");
}
} else {
(function (node) {
if (css.childNodes.length > 0) {
if (css.firstChild.nodeValue !== node.nodeValue) {
css.replaceChild(node, css.firstChild);
}
} else {
css.appendChild(node);
}
})(document.createTextNode(styles));
css.appendChild(document.createTextNode(styles));
// If new contents match contents of oldCss, don't replace oldCss
keepOldCss = (oldCss !== null && oldCss.childNodes.length > 0 && css.childNodes.length > 0 &&
oldCss.firstChild.nodeValue === css.firstChild.nodeValue);
}
var head = document.getElementsByTagName('head')[0];
// If there is no oldCss, just append; otherwise, only append if we need
// to replace oldCss with an updated stylesheet
if (oldCss == null || keepOldCss === false) {
var nextEl = sheet && sheet.nextSibling || null;
(nextEl || document.getElementsByTagName('head')[0]).parentNode.insertBefore(css, nextEl);
}
if (oldCss && keepOldCss === false) {
head.removeChild(oldCss);
}
// Don't update the local store if the file wasn't modified