5a739853
 patrick.he
commit
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//split IE to make sure
function breakCSS(less_parser, css_input, callback) {
if(!less_parser) {
callback.call(null, false);
return;
}
less_parser.parse(css_input, function(e, tree) {
if(e) {
callback.call(null, false);
console.log($e);
return;
}
var rules = tree.rules;
var totalSelectors = 0;
var lastIndex = -1;//the index to split CSS files from
var ie_limit = 4090;//4095;
for(var i = 0, l = rules.length; i < l ; i++) {
var rule = rules[i];
if(rule.type == "Ruleset") {
totalSelectors += rule.selectors.length;
if(totalSelectors > ie_limit) break;
lastIndex = rule.selectors[0].elements[0].index;
}
else if(rule.type == "Media") {
var $rules = rule.rules[0].rules;
for(var k = 0 ; k < $rules.length; k++) {
if($rules[k].type == "Ruleset") {
totalSelectors += $rules[k].selectors.length;
}
}
}
if(totalSelectors > ie_limit) break;
}
var css_part2 = false;
if(totalSelectors > ie_limit) {
css_part2 = css_input.substring(lastIndex , css_input.length);
}
callback.call(null, css_part2);
})
}
//this is used for grunt
if(typeof module !== 'undefined') {
var fs = require('fs');
var vm = require('vm');
var less = require('less');
less_parser = new(less.Parser)({
processImports: false
});
module.exports = function fixIE(grunt) {
var css_file = fs.readFileSync(__dirname+'/../../assets/css/ace.css' , 'utf-8');
breakCSS(less_parser, css_file, function(css_part2) {
if(typeof css_part2 == 'string' && css_part2.length > 10) {
fs.writeFileSync(__dirname+'/../../assets/css/ace-part2.css' , css_part2 , 'utf-8');
grunt.log.writeln('ace-part2.css for IE9 and below created.');
}
});
}
}
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