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decoupled single stylesheet loading

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cloudhead
2010-06-07 16:12:25 -04:00
parent 25e3205eb3
commit 693ef38edf
1 changed files with 24 additions and 22 deletions
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46
lib/less/browser.js
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@@ -43,31 +43,33 @@ if (less.env === 'development') {
function loadStyleSheets(callback) {
for (var i = 0; i < sheets.length; i++) {
(function (sheet) { // Because the functions here are async, we need to create a closure
var css = typeof(localStorage) !== "undefined" && localStorage.getItem(sheet.href);
var styles = css && JSON.parse(css);
loadStyleSheet(sheets[i], callback);
}
}
xhr(sheet.href, function (data, lastModified) {
if (styles && (new(Date)(lastModified).valueOf() ===
new(Date)(styles.timestamp).valueOf())) {
// Use local copy
createCSS(styles.css, sheet);
callback(sheet, {local: true})
} else {
// Use remote copy (re-parse)
new(less.Parser)({ optimization: 3 }).parse(data, function (e, root) {
if (e) { return error(e, sheet.href) }
try {
createCSS(root.toCSS(), sheet, lastModified);
callback(sheet, {local: false})
} catch (e) {
error(e, sheet.href);
}
});
function loadStyleSheet(sheet, callback) {
var css = typeof(localStorage) !== "undefined" && localStorage.getItem(sheet.href);
var styles = css && JSON.parse(css);
xhr(sheet.href, function (data, lastModified) {
if (styles && (new(Date)(lastModified).valueOf() ===
new(Date)(styles.timestamp).valueOf())) {
// Use local copy
createCSS(styles.css, sheet);
callback(sheet, {local: true})
} else {
// Use remote copy (re-parse)
new(less.Parser)({ optimization: 3 }).parse(data, function (e, root) {
if (e) { return error(e, sheet.href) }
try {
createCSS(root.toCSS(), sheet, lastModified);
callback(sheet, {local: false})
} catch (e) {
error(e, sheet.href);
}
});
})(sheets[i]);
}
}
});
}
function createCSS(styles, sheet, lastModified) {