Merge pull request #558 from chayn1k/issues/556@support/0.7.x

Added v2/styl tech. (resolve #556)

lib/techs/v2/styl.js

@@ -0,0 +1,45 @@
+'use strict';
+
+var PATH = require('path'),
+    STYLUS = require('stylus'),
+    Template = require('../../template');
+
+exports.baseTechPath = PATH.join(__dirname, 'css-preprocessor');
+
+exports.techMixin = {
+
+    getBuildResultChunk : function(relPath) {
+        return '@import "' + relPath + '"\n';
+    },
+
+    getBuildSuffixesMap: function() {
+        return {
+            'css': ['styl', 'css']
+        };
+    },
+
+    getCreateSuffixes: function() {
+        return ['styl'];
+    },
+
+    getCreateResult: function(path, suffix, vars) {
+
+        vars.Selector = '.' + vars.BlockName +
+            (vars.ElemName? '__' + vars.ElemName : '') +
+            (vars.ModName? ('_' + vars.ModName + (vars.ModVal? '_' + vars.ModVal: '')): '');
+
+        return Template.process([
+            '{{bemSelector}}'
+            ],
+            vars);
+    },
+
+    compileBuildResult: function(res, defer) {
+        STYLUS.render(res, function(err, css) {
+            if (err) return defer.reject(err);
+
+            return defer.resolve([css]);
+        });
+    }
+
+};