stylus - npm Package Compare versions

Comparing version 0.42.3 to 0.43.0

lib/colors.js

@@ -32,3 +32,3 @@
   , darkcyan: [0, 139, 139]
-  , darkgoldenrod: [184, 132, 11]
+  , darkgoldenrod: [184, 134, 11]
   , darkgray: [169, 169, 169]
@@ -56,3 +56,3 @@ , darkgreen: [0, 100, 0]
   , firebrick: [178, 34, 34]
-  , floralwhite: [255, 255, 240]
+  , floralwhite: [255, 250, 240]
   , forestgreen: [34, 139, 34]
@@ -127,3 +127,3 @@ , fuchsia: [255, 0, 255]
   , pink: [255, 192, 203]
-  , plum: [221, 160, 203]
+  , plum: [221, 160, 221]
   , powderblue: [176, 224, 230]
@@ -143,5 +143,5 @@ , purple: [128, 0, 128]
   , slateblue: [106, 90, 205]
-  , slategray: [119, 128, 144]
-  , slategrey: [119, 128, 144]
-  , snow: [255, 255, 250]
+  , slategray: [112, 128, 144]
+  , slategrey: [112, 128, 144]
+  , snow: [255, 250, 250]
   , springgreen: [0, 255, 127]
@@ -159,3 +159,3 @@ , steelblue: [70, 130, 180]
   , yellow: [255, 255, 0]
-  , yellowgreen: [154, 205, 5]
+  , yellowgreen: [154, 205, 50]
 };

lib/functions/index.js

@@ -573,2 +573,19 @@
 /**
+ * Set a variable `name` on current scope.
+ *
+ * @param {String} name
+ * @param {Expression} expr
+ * @api public
+ */
+
+exports.define = function define(name, expr){
+  utils.assertType(name, 'string', 'name');
+  expr = utils.unwrap(expr);
+  var scope = this.currentScope;
+  var node = new nodes.Ident(name.val, expr);
+  scope.add(node);
+  return nodes.null;
+};
+
+/**
  * Perform `op` on the `left` and `right` operands.
@@ -968,2 +985,27 @@ *
 /**
+ * Return the tangent of the given `angle`.
+ *
+ * @param {Unit} angle
+ * @return {Unit}
+ * @api public
+ */
+exports.tan = function tan(angle) {
+  utils.assertType(angle, 'unit', 'angle');
+
+  var radians = angle.val;
+
+  if (angle.type === 'deg') {
+    radians *= Math.PI / 180;
+  }
+
+  var m = Math.pow(10, 9);
+
+  var sin = Math.round(Math.sin(radians) * m) / m
+    , cos = Math.round(Math.cos(radians) * m) / m
+    , tan = Math.round(m * sin / cos ) / m;
+
+  return new nodes.Unit(tan, '');
+}
+
+/**
  * Apply Math `fn` to `n`.
@@ -1112,2 +1154,23 @@ *
 /**
+ * Prefix css classes in a block
+ *
+ * @param {String} prefix
+ * @param {Block} block
+ * @return {Block}
+ * @api private
+ */
+
+exports['-prefix-classes'] = function prefixClasses(prefix, block){
+  utils.assertString(prefix, 'prefix');
+  utils.assertType(block, 'block', 'block');
+
+  var _prefix = this.prefix;
+
+  this.prefix = prefix.string;
+  block = this.visit(block);
+  this.prefix = _prefix;
+  return block;
+};
+
+/**
  * Attempt to parse unit `str`.
@@ -1147,3 +1210,3 @@ *
   else if (str.substr(0,3) === 'rgb'){
-    var m = str.match(/(\d\.*\d+)/g);
+    var m = str.match(/([0-9]*\.?[0-9]+)/g);
     if (!m) return;
@@ -1150,0 +1213,0 @@ m = m.map(function(s){return parseFloat(s, 10)});

lib/lexer.js

@@ -413,2 +413,3 @@
    * | 'and'
+   * | 'only'
    * | 'or'
@@ -425,3 +426,3 @@ * | 'is'
       , tok;
-    if (captures = /^(not|and|or|is a|is defined|isnt|is not|is)(?!-)\b([ \t]*)/.exec(this.str)) {
+    if (captures = /^(not|and|only|or|is a|is defined|isnt|is not|is)(?!-)\b([ \t]*)/.exec(this.str)) {
       var op = captures[1];
@@ -491,3 +492,3 @@ this.skip(captures);
   /**
-   * '@extends' ([^{\n]+)
+   * '@extends'
    */
@@ -497,5 +498,5 @@
     var captures;
-    if (captures = /^@extends?[ \t]*([^\/{\n;]+)/.exec(this.str)) {
+    if (captures = /^@extends?[ \t]*/.exec(this.str)) {
       this.skip(captures);
-      return new Token('extend', captures[1].trim());
+      return new Token('extend');
     }
@@ -505,3 +506,3 @@ },
   /**
-   * '@media' ([^{\n]+)
+   * '@media'
    */
@@ -511,5 +512,5 @@
     var captures;
-    if (captures = /^@media[ \t]*(.+?)(?=\/\/|[\n{])/.exec(this.str)) {
+    if (captures = /^@media[ \t]*/.exec(this.str)) {
       this.skip(captures);
-      return new Token('media', captures[1].trim());
+      return new Token('media');
     }
@@ -516,0 +517,0 @@ },

lib/nodes/extend.js

@@ -15,11 +15,11 @@
 /**
- * Initialize a new `Extend` with the given `selector`.
+ * Initialize a new `Extend` with the given `selectors` array.
  *
- * @param {Selector} selector
+ * @param {Array} selectors array of the selectors
  * @api public
  */
 
-var Extend = module.exports = function Extend(selector){
+var Extend = module.exports = function Extend(selectors){
   Node.call(this);
-  this.selector = selector;
+  this.selectors = selectors;
 };
@@ -41,7 +41,7 @@
 Extend.prototype.clone = function(){
-  return new Extend(this.selector);
+  return new Extend(this.selectors);
 };
 
 /**
- * Return `@extend selector`.
+ * Return `@extend selectors`.
  *
@@ -53,3 +53,3 @@ * @return {String}
 Extend.prototype.toString = function(){
-  return '@extend ' + this.selector;
+  return '@extend ' + this.selectors.join(', ');
 };

lib/nodes/group.js

@@ -65,2 +65,13 @@
 /**
+ * Check if this set has only placeholders.
+ *
+ * @return {Boolean}
+ * @api public
+ */
+
+Group.prototype.__defineGetter__('hasOnlyPlaceholders', function(){
+  return this.nodes.every(function(selector) { return selector.isPlaceholder; });
+});
+
+/**
  * Return a clone of this node.
@@ -67,0 +78,0 @@ *

lib/nodes/index.js

@@ -35,2 +35,5 @@
 exports.Media = require('./media');
+exports.QueryList = require('./query-list');
+exports.Query = require('./query');
+exports.QueryExpr = require('./query-expression');
 exports.Params = require('./params');
@@ -37,0 +40,0 @@ exports.Comment = require('./comment');

lib/nodes/literal.js

@@ -26,2 +26,3 @@
   this.string = str;
+  this.prefixed = false;
 };
@@ -28,0 +29,0 @@

lib/nodes/media.js

@@ -41,3 +41,3 @@
 Media.prototype.clone = function(){
-  var clone = new Media(this.val);
+  var clone = new Media(this.val.clone());
   clone.block = this.block.clone();
@@ -48,2 +48,13 @@ return clone;
 /**
+ * Check if media block has properties.
+ *
+ * @return {Boolean}
+ * @api public
+ */
+
+Media.prototype.__defineGetter__('hasProperties', function(){
+  return hasProperties(this.block);
+});
+
+/**
  * Return @media "val".
@@ -58,1 +69,17 @@ *
 };
+
+function hasProperties(block) {
+  for (var i = 0, len = block.nodes.length; i < len; i++) {
+    var node = block.nodes[i];
+    switch (node.nodeName) {
+      case 'property':
+        return true;
+      case 'group':
+        return !node.hasOnlyPlaceholders && hasProperties(node.block);
+      case 'block':
+        return hasProperties(node);
+      default:
+        if (node.block) return hasProperties(node.block);
+    }
+  }
+}

lib/nodes/member.js

@@ -12,3 +12,3 @@
 
-var BinOp = require('./binop');
+var Node = require('./node');
 
@@ -24,10 +24,12 @@ /**
 var Member = module.exports = function Member(left, right){
-  BinOp.call(this, '.', left, right);
+  Node.call(this);
+  this.left = left;
+  this.right = right;
 };
 
 /**
- * Inherit from `BinOp.prototype`.
+ * Inherit from `Node.prototype`.
  */
 
-Member.prototype.__proto__ = BinOp.prototype;
+Member.prototype.__proto__ = Node.prototype;
 
@@ -42,4 +44,6 @@ /**
 Member.prototype.clone = function(){
-  var clone = BinOp.prototype.clone.call(this);
-  clone.constructor = Member;
+  var clone = new Member(this.left.clone(), this.right.clone());
+  clone.lineno = this.lineno;
+  clone.filename = this.filename;
+  if (this.val) clone.val = this.val.clone();
   return clone;
@@ -46,0 +50,0 @@ };

lib/nodes/selector.js

@@ -46,2 +46,13 @@
 /**
+ * Check if this is placeholder selector.
+ *
+ * @return {Boolean}
+ * @api public
+ */
+
+Selector.prototype.__defineGetter__('isPlaceholder', function(){
+  return this.val && ~this.val.substr(0, 2).indexOf('$');
+});
+
+/**
  * Return a clone of this node.
@@ -48,0 +59,0 @@ *

lib/nodes/string.js

@@ -28,2 +28,3 @@ /*!
   this.string = val;
+  this.prefixed = false;
   if (typeof quote !== 'string') {
@@ -122,3 +123,5 @@ this.quote = "'";
     case '+':
-      return new String(this.val + this.coerce(right).val);
+      var expr = new nodes.Expression;
+      expr.push(new String(this.val + this.coerce(right).val));
+      return expr;
     default:
@@ -125,0 +128,0 @@ return Node.prototype.operate.call(this, op, right);

lib/nodes/unit.js

@@ -26,3 +26,3 @@
   Node.call(this);
-  this.val = val;
+  this.val = parseFloat( val.toFixed( 15 ) );
   this.type = type;
@@ -65,3 +65,3 @@ };
  * Return a clone of this node.
- * 
+ *
  * @return {Node}
@@ -108,7 +108,7 @@ * @api public
         return new Unit(this.val - right.val, type);
-      case '+':                               
+      case '+':
         return new Unit(this.val + right.val, type);
-      case '/':                               
+      case '/':
         return new Unit(this.val / right.val, type);
-      case '*':                               
+      case '*':
         return new Unit(this.val * right.val, type);
@@ -149,6 +149,6 @@ case '%':
  *    in -> mm | cm
- *    
+ *
  *    ms -> s
  *    s  -> ms
- *    
+ *
  *    Hz  -> kHz
@@ -176,3 +176,3 @@ *    kHz -> Hz
   } else if ('string' == other.nodeName) {
-    var val = parseInt(other.val, 10);
+    var val = parseFloat(other.val);
     if (isNaN(val)) Node.prototype.coerce.call(this, other);
@@ -179,0 +179,0 @@ return new nodes.Unit(val);

lib/parser.js

@@ -100,3 +100,2 @@
   , 'placeholder-shown'
-  , 'default'
   , 'checked'
@@ -155,2 +154,3 @@ , 'indeterminate'
   this.lexer = new Lexer(str, options);
+  this.prefix = options.prefix || '';
   this.root = options.root || new nodes.Root;
@@ -416,2 +416,12 @@ this.state = ['root'];
   /**
+   * Consume spaces and comments.
+   */
+
+  skipSpacesAndComments: function() {
+    while ('space' == this.peek().type
+      || 'comment' == this.peek().type)
+      this.next();
+  },
+
+  /**
    * Check if the following sequence of tokens
@@ -892,17 +902,21 @@ * forms a function definition, ie trailing
   extend: function(){
-    var val = this.expect('extend').val
-      , arr = this.selectorParts();
+    this.expect('extend');
+    var selectors = []
+      , arr;
 
-    arr.unshift(new nodes.Literal(val));
+    do {
+      arr = this.selectorParts();
+      if (arr.length) selectors.push(new nodes.Selector(arr));
+    } while(this.accept(','));
 
-    return new nodes.Extend(new nodes.Selector(arr));
+    return new nodes.Extend(selectors);
   },
 
   /**
-   * media
+   * media queries
    */
 
   media: function() {
-    var val = this.expect('media').val
-      , media = new nodes.Media(val);
+    this.expect('media');
+    var media = new nodes.Media(this.queries());
     this.state.push('media');
@@ -915,2 +929,63 @@ media.block = this.block(media);
   /**
+   * query (',' query)*
+   */
+
+  queries: function() {
+    var queries = new nodes.QueryList;
+    do {
+      queries.push(this.query());
+    } while(this.accept(','));
+    return queries;
+  },
+
+  /**
+   *   ('only' | 'not')? ident ('and' queryExpr)*
+   * | queryExpr ('and' queryExpr)*
+   */
+
+  query: function() {
+    this.skipSpacesAndComments();
+    var pred = this.accept('only') || this.accept('not')
+      , id
+      , query;
+
+    this.skipSpacesAndComments();
+    if (id = this.accept('ident')) {
+      query = new nodes.Query(new nodes.QueryExpr([id.val]));
+    } else {
+      query = new nodes.Query(this.queryExpr());
+    }
+
+    if (pred) query.predicate = new nodes.Literal(pred.val);
+    this.skipSpacesAndComments();
+
+    if (this.accept('&&')) {
+      do {
+        query.push(this.queryExpr());
+      } while(this.accept('&&'));
+    }
+
+    return query;
+  },
+
+  /**
+   * '(' ident ( ':'? expression )? ')'
+   */
+
+  queryExpr: function() {
+    this.skipSpacesAndComments();
+    this.expect('(');
+    this.skipSpacesAndComments();
+    var node = new nodes.QueryExpr(this.interpolate());
+    this.skipSpacesAndComments();
+    this.accept(':')
+    this.skipSpacesAndComments();
+    node.expr = this.expression();
+    this.skipSpacesAndComments();
+    this.expect(')');
+    this.skipSpacesAndComments();
+    return node;
+  },
+
+  /**
    * @-moz-document block
@@ -1306,2 +1381,7 @@ */
           break;
+        case this.prefix && '.':
+          var literal = new nodes.Literal(tok.val + this.prefix);
+          literal.prefixed = true;
+          arr.push(literal);
+          break;
         case 'comment':
@@ -1308,0 +1388,0 @@ arr.push(new nodes.Literal(tok.val.str));

lib/renderer.js

@@ -108,2 +108,33 @@
 /**
+ * Get dependencies of the compiled file.
+ *
+ * @param {String} [filename]
+ * @return {Array}
+ * @api public
+ */
+
+Renderer.prototype.deps = function(filename){
+  if (filename) this.options.filename = filename;
+
+  var DepsResolver = require('./visitor/deps-resolver')
+    , parser = new Parser(this.str, this.options);
+
+  try {
+    nodes.filename = this.options.filename;
+    // parse
+    var ast = parser.parse()
+      , resolver = new DepsResolver(ast, this.options);
+
+    // resolve dependencies
+    return resolver.resolve();
+  } catch (err) {
+    var options = {};
+    options.input = err.input || this.str;
+    options.filename = err.filename || this.options.filename;
+    options.lineno = err.lineno || parser.lexer.lineno;
+    throw utils.formatException(err, options);
+  }
+};
+
+/**
  * Set option `key` to `val`.
@@ -175,3 +206,3 @@ *
 Renderer.prototype.define = function(name, fn, raw){
-  fn = utils.coerce(fn);
+  fn = utils.coerce(fn, raw);
 
@@ -178,0 +209,0 @@ if (fn.nodeName) {

lib/utils.js

@@ -13,2 +13,4 @@
 var nodes = require('./nodes')
+  , basename = require('path').basename
+  , relative = require('path').relative
   , join = require('path').join
@@ -107,2 +109,38 @@ , resolve = require('path').resolve
 /**
+ * Lookup index file inside dir with given `name`.
+ *
+ * @param {String} name
+ * @return {Array}
+ * @api private
+ */
+
+exports.lookupIndex = function(name, paths, filename){
+  // foo/index.styl
+  var found = exports.find(join(name, 'index.styl'), paths, filename);
+  if (!found) {
+    // foo/foo.styl
+    found = exports.find(join(name, basename(name).replace(/\.styl/i, '') + '.styl'), paths, filename);
+  }
+  if (!found && !~name.indexOf('node_modules')) {
+    // node_modules/foo/.. or node_modules/foo.styl/..
+    found = lookupPackage(join('node_modules', name));
+  }
+  return found;
+
+  function lookupPackage(dir) {
+    var package = exports.lookup(join(dir, 'package.json'), paths, filename);
+    if (!package) {
+      return /\.styl$/i.test(dir) ? exports.lookupIndex(dir, paths, filename) : lookupPackage(dir + '.styl');
+    }
+    var main = require(relative(__dirname, package)).main;
+    if (main) {
+      found = exports.find(join(dir, main), paths, filename);
+    } else {
+      found = exports.lookupIndex(dir, paths, filename);
+    }
+    return found;
+  }
+};
+
+/**
  * Format the given `err` with the given `options`.
@@ -253,2 +291,3 @@ *
  * @param {Mixed} val
+ * @param {Boolean} [raw]
  * @return {Node}
@@ -258,3 +297,3 @@ * @api public
 
-exports.coerce = function(val){
+exports.coerce = function(val, raw){
   switch (typeof val) {
@@ -271,5 +310,5 @@ case 'function':
       if (null == val) return nodes.null;
-      if (Array.isArray(val)) return exports.coerceArray(val);
+      if (Array.isArray(val)) return exports.coerceArray(val, raw);
       if (val.nodeName) return val;
-      return exports.coerceObject(val);
+      return exports.coerceObject(val, raw);
   }
@@ -282,2 +321,3 @@ };
  * @param {Array} val
+ * @param {Boolean} [raw]
  * @return {Expression}
@@ -287,6 +327,6 @@ * @api private
 
-exports.coerceArray = function(val){
+exports.coerceArray = function(val, raw){
   var expr = new nodes.Expression;
   val.forEach(function(val){
-    expr.push(exports.coerce(val));
+    expr.push(exports.coerce(val, raw));
   });
@@ -297,23 +337,29 @@ return expr;
 /**
- * Coerce a javascript object to a Stylus `Expression`.
+ * Coerce a javascript object to a Stylus `Expression` or `Object`.
  *
  * For example `{ foo: 'bar', bar: 'baz' }` would become
- * the expression `(foo 'bar') (bar 'baz')`.
+ * the expression `(foo 'bar') (bar 'baz')`. If `raw` is true
+ * given `obj` would become a Stylus hash object.
  *
  * @param {Object} obj
- * @return {Expression}
+ * @param {Boolean} [raw]
+ * @return {Expression|Object}
  * @api public
  */
 
-exports.coerceObject = function(obj){
-  var expr = new nodes.Expression
+exports.coerceObject = function(obj, raw){
+  var node = raw ? new nodes.Object : new nodes.Expression
     , val;
 
   for (var key in obj) {
-    val = exports.coerce(obj[key]);
+    val = exports.coerce(obj[key], raw);
     key = new nodes.Ident(key);
-    expr.push(exports.coerceArray([key, val]));
+    if (raw) {
+      node.set(key, val);
+    } else {
+      node.push(exports.coerceArray([key, val]));
+    }
   }
 
-  return expr;
+  return node;
 };
@@ -350,2 +396,23 @@
 /**
+ * Returns an array with unique values.
+ *
+ * @param {Array} arr
+ * @return {Array}
+ * @api private
+ */
+
+exports.uniq = function(arr){
+  var obj = {}
+    , ret = [];
+
+  for (var i = 0, len = arr.length; i < len; ++i) {
+    if (arr[i] in obj) continue;
+
+    obj[arr[i]] = true;
+    ret.push(arr[i]);
+  }
+  return ret;
+};
+
+/**
  * Compile selector strings in `arr` from the bottom-up
@@ -352,0 +419,0 @@ * to produce the selector combinations. For example

lib/visitor/compiler.js

@@ -185,3 +185,6 @@ /*!
 Compiler.prototype.visitMedia = function(media){
-  this.buf += '@media ' + media.val;
+  if (!media.hasProperties) return '';
+
+  this.buf += '@media ';
+  this.visit(media.val);
   this.buf += this.compress ? '{' : ' {\n';
@@ -195,2 +198,39 @@ ++this.indents;
 /**
+ * Visit QueryList.
+ */
+
+Compiler.prototype.visitQueryList = function(queries){
+  for (var i = 0, len = queries.nodes.length; i < len; ++i) {
+    this.visit(queries.nodes[i]);
+    if (len - 1 != i) this.buf += ',' + (this.compress ? '' : ' ');
+  }
+};
+
+/**
+ * Visit Query.
+ */
+
+Compiler.prototype.visitQuery = function(node){
+  if (node.predicate) this.buf += node.predicate + ' ';
+  for (var i = 0, len = node.nodes.length; i < len; ++i) {
+    this.visit(node.nodes[i]);
+    if (len - 1 != i) this.buf += ' and ';
+  }
+};
+
+/**
+ * Visit QueryExpr.
+ */
+
+Compiler.prototype.visitQueryExpr = function(node){
+  if (!node.expr) {
+    this.buf += node.name;
+  } else if (node.expr.isEmpty) {
+    this.buf += '(' + node.name + ')';
+  } else {
+    this.buf += '(' + node.name + ':' + (this.compress ? '' : ' ') + this.visit(node.expr) + ')';
+  }
+};
+
+/**
  * Visit MozDocument.
@@ -348,6 +388,7 @@ */
     var selectors = utils.compileSelectors.call(this, stack);
-    if(selectors.length)
+    if (selectors.length) {
       this.buf += (this.selector = selectors.join(this.compress ? ',' : ',\n'));
-    else
+    } else {
       group.block.lacksRenderedSelectors = true;
+    }
   }
@@ -354,0 +395,0 @@

lib/visitor/evaluator.js

@@ -20,6 +20,3 @@
   , bifs = require('../functions')
-  , basename = require('path').basename
   , dirname = require('path').dirname
-  , relative = require('path').relative
-  , join = require('path').join
   , colors = require('../colors')
@@ -130,2 +127,3 @@ , debug = require('debug')('stylus:evaluator')
   this.paths = options.paths || [];
+  this.prefix = options.prefix || '';
   this.filename = options.filename;
@@ -240,39 +238,2 @@ this.includeCSS = options['include css'];
 /**
- * Lookup index file for @import.
- *
- * @param {String} name
- * @return {Array}
- * @api private
- */
-
-Evaluator.prototype.lookupIndex = function(name){
-  // foo/index.styl
-  var found = utils.find(join(name, 'index.styl'), this.paths, this.filename)
-    , self = this;
-  if (!found) {
-    // foo/foo.styl
-    found = utils.find(join(name, basename(name).replace(/\.styl/i, '') + '.styl'), this.paths, this.filename);
-  }
-  if (!found && !~name.indexOf('node_modules')) {
-    // node_modules/foo/.. or node_modules/foo.styl/..
-    found = lookupPackage(join('node_modules', name));
-  }
-  return found;
-
-  function lookupPackage(dir) {
-    var package = utils.lookup(join(dir, 'package.json'), self.paths, self.filename);
-    if (!package) {
-      return /\.styl$/i.test(dir) ? self.lookupIndex(dir) : lookupPackage(dir + '.styl');
-    }
-    var main = require(relative(__dirname, package)).main;
-    if (main) {
-      found = utils.find(join(dir, main), self.paths, self.filename);
-    } else {
-      found = self.lookupIndex(dir);
-    }
-    return found;
-  }
-};
-
-/**
  * Visit Group.
@@ -315,4 +276,3 @@ */
   media.block = this.visit(media.block);
-  var query = this.lookup(media.val);
-  if (query) media.val = new nodes.Literal(query.first.string);
+  media.val = this.visit(media.val);
   return media;
@@ -322,2 +282,35 @@ };
 /**
+ * Visit QueryList.
+ */
+
+Evaluator.prototype.visitQueryList = function(queries){
+  queries.nodes.forEach(this.visit, this);
+  return queries;
+};
+
+/**
+ * Visit Query.
+ */
+
+Evaluator.prototype.visitQuery = function(node){
+  node.predicate = this.visit(node.predicate);
+  node.nodes.forEach(this.visit, this);
+  return node;
+};
+
+/**
+ * Visit QueryExpr.
+ */
+
+Evaluator.prototype.visitQueryExpr = function(node){
+  var val;
+  node.name = node.name || this.interpolate(node);
+  if (node.expr) node.expr = this.visit(node.expr);
+  if (val = this.lookup(node.name)) {
+    node.name = new nodes.Literal(val.first.string || val.first.name);
+  }
+  return node;
+};
+
+/**
  * Visit MozDocument.
@@ -825,8 +818,10 @@ */
 Evaluator.prototype.visitExtend = function(extend){
-  // Cloning the selector for when we are in a loop and don't want it to affect
-  // the selector nodes and cause the values to be different to expected
-  var selector = this.interpolate(extend.selector.clone());
   var block = this.currentBlock;
   if ('group' != block.node.nodeName) block = this.closestGroup;
-  block.node.extends.push(selector);
+  extend.selectors.forEach(function(selector){
+    // Cloning the selector for when we are in a loop and don't want it to affect
+    // the selector nodes and cause the values to be different to expected
+    selector = this.interpolate(selector.clone()).trim();
+    block.node.extends.push(selector);
+  }, this);
   return nodes.null;
@@ -883,3 +878,3 @@ };
   if (!found) {
-    found = this.lookupIndex(name);
+    found = utils.lookupIndex(name, this.paths, this.filename);
     index = true;
@@ -1358,2 +1353,7 @@ }
       case 'string':
+        if (self.prefix && !node.prefixed && !node.val.nodeName) {
+          node.val = node.val.replace(/\./g, '.' + self.prefix);
+          node.prefixed = true;
+        }
+        return node.val;
       case 'unit':
@@ -1363,3 +1363,3 @@ return node.val;
         // Prevent cyclic `selector()` calls.
-        if (~self.calling.indexOf('selector') && self._selector) return self._selector;
+        if (self.calling && ~self.calling.indexOf('selector') && self._selector) return self._selector;
         self.return++;
@@ -1366,0 +1366,0 @@ var ret = toString(self.visit(node).first);

lib/visitor/normalizer.js

@@ -201,2 +201,13 @@
 /**
+ * Visit Keyframes.
+ */
+
+Normalizer.prototype.visitKeyframes = function(node){
+  node.frames = node.frames.filter(function(frame){
+    return frame.block.hasProperties;
+  });
+  return node.frames.length ? node : nodes.null;
+};
+
+/**
  * Apply `group` extensions.
@@ -203,0 +214,0 @@ *

package.json

 {
   "name": "stylus",
   "description": "Robust, expressive, and feature-rich CSS superset",
-  "version": "0.42.3",
+  "version": "0.43.0",
   "author": "TJ Holowaychuk <[e-mail]>",
@@ -6,0 +6,0 @@ "keywords": [

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Improved metrics

Total package byte prevSize

285382

increased by5.82%

Number of package files

73

increased by5.8%

Lines of code

10801

increased by5.47%

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Number of low supply chain risk alerts

15

increased by7.14%

No dependency changes