fs.readdir(input, function(err, files) {
if(err) {
console.error(err);
callback();
return;
}
// * LESS files: end in .less and not directories
var less = files.filter(function(f) { return /\.less$/.test(f) && !fs.statSync(path.join(input, f)).isDirectory(); });
// * only callback after all files are processed
var counter = 0, cbjoin = function() { if(++counter == less.length) { callback(); } };
less.forEach(function(f) {
var inf = path.join(input, f);
var outf = path.join(output || input, f).replace(/\.less$/, ".css");
resolve(inf, outf, options, cbjoin);
});
// * continue if no less files found.
if(less.length == 0) {
console.warn("No LESS files found in directory: " + input);
callback();
}
});
function preprocess() {
less.forEach(function(file) {
var plugin = file.pkg.parent.plugin;
var id = file.pkg.id.replace(/^[^!]+!/, "");
code.push(
"/* @file " + id + " */\nß{"
+ expandVariables(file.code, Object.create(null), plugin)
+ "}"
);
});
code = code.join("\n")
+ expandVariables(libs.map(function(l) {
return l.code ? "/* @file " + l.id + " */\n" + l.code : "";
}).join("\n"), Object.create(null));
}