fix list literal initialization call fix typeof calls for primitive JS types add dart/collection.js…

lib/src/codegen/js_codegen.dart

Index: lib/src/codegen/js_codegen.dart
diff --git a/lib/src/codegen/js_codegen.dart b/lib/src/codegen/js_codegen.dart
index b93b8cfc83122bab103466140185a7a1a723dc32..6e39a3e789e18732d39469527475c1bcdd492a5c 100644
--- a/lib/src/codegen/js_codegen.dart
+++ b/lib/src/codegen/js_codegen.dart
@@ -235,7 +235,7 @@ class JSCodegenVisitor extends GeneralizingAstVisitor with ConversionVisitor {
     var lhs = _visit(node.expression);
     var typeofName = _jsTypeofName(type);
     if (typeofName != null) {
-      result = js.call('typeof # == #', [lhs, typeofName]);
+      result = js.call('typeof # == #', [lhs, js.string(typeofName, "'")]);
     } else {
       // Always go through a runtime helper, because implicit interfaces.
       result = js.call('dart.is(#, #)', [lhs, _emitTypeName(type)]);
@@ -1913,8 +1913,8 @@ class JSCodegenVisitor extends GeneralizingAstVisitor with ConversionVisitor {
   @override
   visitListLiteral(ListLiteral node) {
     // TODO(jmesserly): make this faster. We're wasting an array.
-    var list = js.call('new List.from(#)',
-        [new JS.ArrayInitializer(_visitList(node.elements))]);
+    var list = js.call('new #.from(#)',
+        [_emitTypeName(node.staticType), new JS.ArrayInitializer(_visitList(node.elements))]);
     if (node.constKeyword != null) {
       list = js.commentExpression('Unimplemented const', list);
     }
@@ -2025,11 +2025,6 @@ class JSCodegenVisitor extends GeneralizingAstVisitor with ConversionVisitor {
     return result;
   }
 
-  JS.Statement _visitOrEmpty(Statement node) {
-    if (node == null) return new JS.EmptyStatement();
-    return _visit(node);
-  }
-
   List _visitList(Iterable<AstNode> nodes) {
     if (nodes == null) return null;
     var result = [];