expandItemByFS: function(item) {
var _this = this,
tech = this.tech;
return Q.step.apply(Q, tech.getContext().getLevels().map(function(level) {
return function() {
var path = tech.getPath(item.buildLevelPath(level));
return tech.readContent(path, tech.getTechName())
.then(function(content) {
if(!content) return;
try {
_this.parse(VM.runInThisContext(content), item);
} catch(e) {
return Q.reject(path + '\n' + e.stack);
}
})
}
}))
},
expandOnceByFS: function() {
var newDeps = this.clone();
return Q.step.apply(Q, this.map(function(item) {
return function() {
return newDeps.expandItemByFS(item)
}
}))
.then(function() { return newDeps })
},