138 lines
4.8 KiB
JavaScript
138 lines
4.8 KiB
JavaScript
/*@flow*/
|
|
/*::
|
|
const define = (x:any, y:any) => {};
|
|
const require = define;
|
|
*/
|
|
define([
|
|
'/api/config'
|
|
], function (Config) { /*::});module.exports = (function() {
|
|
const Config = (undefined:any);
|
|
*/
|
|
|
|
var module = { exports: {} };
|
|
var key = Config.requireConf.urlArgs;
|
|
var localStorage = {};
|
|
if (!window.cryptpadCache) {
|
|
try {
|
|
localStorage = window.localStorage || {};
|
|
if (localStorage['LESS_CACHE'] !== key) {
|
|
Object.keys(localStorage).forEach(function (k) {
|
|
if (k.indexOf('LESS_CACHE|') !== 0) { return; }
|
|
delete localStorage[k];
|
|
});
|
|
localStorage['LESS_CACHE'] = key;
|
|
}
|
|
} catch (e) {
|
|
console.error(e);
|
|
localStorage = {};
|
|
}
|
|
}
|
|
|
|
var cacheGet = function (k, cb) {
|
|
if (window.cryptpadCache) { return void window.cryptpadCache.get(k, cb); }
|
|
setTimeout(function () { cb(localStorage['LESS_CACHE|' + key + '|' + k]); });
|
|
};
|
|
var cachePut = function (k, v, cb) {
|
|
if (window.cryptpadCache) { return void window.cryptpadCache.put(k, v, cb); }
|
|
setTimeout(function () {
|
|
localStorage['LESS_CACHE|' + key + '|' + k] = v;
|
|
if (cb) { cb(); }
|
|
});
|
|
};
|
|
|
|
var fixURL = function (url, parent) {
|
|
// data: blob: etc
|
|
if (/^[a-zA-Z0-9]*:/.test(url)) { return url; }
|
|
var ua = url.split('#');
|
|
var mark = (ua[0].indexOf('?') !== -1) ? '&' : '?';
|
|
ua[0] = ua[0] + mark + key;
|
|
if (ua[0].indexOf(':') === -1 && ua[0].indexOf('/') && parent) {
|
|
ua[0] = parent.replace(/\/[^\/]*$/, '/') + ua[0];
|
|
}
|
|
var out = ua.join('#');
|
|
//console.log(url + " --> " + out);
|
|
return out;
|
|
};
|
|
|
|
var inject = function (cssText /*:string*/, url) {
|
|
var curStyle = document.createElement('style');
|
|
curStyle.setAttribute('data-original-src', url);
|
|
curStyle.type = 'text/css';
|
|
curStyle.appendChild(document.createTextNode(cssText));
|
|
if (!document.head) { throw new Error(); }
|
|
document.head.appendChild(curStyle);
|
|
};
|
|
|
|
var fixAllURLs = function (source /*:string*/, parent) {
|
|
var urlRegEx = /@import\s*("([^"]*)"|'([^']*)')|url\s*\(\s*(\s*"([^"]*)"|'([^']*)'|[^\)]*\s*)\s*\)/ig;
|
|
var result, url;
|
|
|
|
while (!!(result = urlRegEx.exec(source))) {
|
|
url = result[3] || result[2] || result[5] || result[6] || result[4];
|
|
var newUrl = fixURL(url, parent);
|
|
var quoteLen = result[5] || result[6] ? 1 : 0;
|
|
source = source.substr(0, urlRegEx.lastIndex - url.length - quoteLen - 1)
|
|
+ newUrl + source.substr(urlRegEx.lastIndex - quoteLen - 1);
|
|
urlRegEx.lastIndex = urlRegEx.lastIndex + (newUrl.length - url.length);
|
|
}
|
|
|
|
return source;
|
|
};
|
|
|
|
var loadCSS = function (url, cb) {
|
|
var xhr = new window.XMLHttpRequest();
|
|
xhr.open("GET", fixURL(url), true);
|
|
xhr.responseType = 'text';
|
|
xhr.onload = function () {
|
|
if (/^4/.test('' + this.status)) { return cb("error loading " + url); }
|
|
cb(undefined, xhr.response);
|
|
};
|
|
xhr.send(null);
|
|
};
|
|
|
|
var lessEngine;
|
|
var getLessEngine = function (cb) {
|
|
if (lessEngine) {
|
|
cb(lessEngine);
|
|
} else {
|
|
require(['/bower_components/less/dist/less.min.js'], function (Less) {
|
|
lessEngine = Less;
|
|
var doXHR = lessEngine.FileManager.prototype.doXHR;
|
|
lessEngine.FileManager.prototype.doXHR = function (url, type, callback, errback) {
|
|
url = fixURL(url);
|
|
//console.log("xhr: " + url);
|
|
return doXHR(url, type, callback, errback);
|
|
};
|
|
cb(lessEngine);
|
|
});
|
|
}
|
|
};
|
|
|
|
var loadLess = function (url, cb) {
|
|
getLessEngine(function (less) {
|
|
less.render('@import (multiple) "' + url + '";', {}, function(err, css) {
|
|
if (err) { return void cb(err); }
|
|
cb(undefined, css.css);
|
|
}, window.less);
|
|
});
|
|
};
|
|
|
|
module.exports.load = function (url /*:string*/, cb /*:()=>void*/) {
|
|
cacheGet(url, function (css) {
|
|
if (css) {
|
|
inject(css, url);
|
|
return void cb();
|
|
}
|
|
console.log('CACHE MISS ' + url);
|
|
((/\.less([\?\#].*)?$/.test(url)) ? loadLess : loadCSS)(url, function (err, css) {
|
|
if (!css) { return void console.error(err); }
|
|
var output = fixAllURLs(css, url);
|
|
cachePut(url, output);
|
|
inject(output, url);
|
|
cb();
|
|
});
|
|
});
|
|
};
|
|
|
|
return module.exports;
|
|
})/*::()*/;
|