refactor: move rtts-assert into modules directory

The rtts assertion lib is only needed for js, 
but it should be treated like any other module (e.g. facade, …)

gulpfile.js

@@ -20,7 +20,7 @@ var js2es5Options = {
   types: true, // parse types
   script: false, // parse as a module
   modules: 'register',
-  typeAssertionModule: 'assert',
+  typeAssertionModule: 'rtts_assert/rtts_assert',
   typeAssertions: true
 };
 
@@ -52,12 +52,9 @@ gulp.task('jsRuntime/build', function() {
 
 function createJsRuntimeTask(isWatch) {
   var srcFn = isWatch ? watch : gulp.src.bind(gulp);
-  var rttsAssert = srcFn('tools/rtts-assert/src/assert.js')
-    .pipe(gulpTraceur(js2es5Options, resolveModuleName))
-    .pipe(gulp.dest('build/js'));
   var traceurRuntime = srcFn(gulpTraceur.RUNTIME_PATH)
     .pipe(gulp.dest('build/js'));
-  return mergeStreams(rttsAssert, traceurRuntime);
+  return traceurRuntime;
 }
 
 // -----------------------

karma-js.conf.js

@@ -26,9 +26,8 @@ module.exports = function(config) {
         script: false,
         modules: 'register',
         types: true,
-        // TODO: turn this on!
-        // typeAssertions: true,
-        // typeAssertionModule: 'assert',
+        typeAssertions: true,
+        typeAssertionModule: 'rtts_assert/rtts_assert',
         annotations: true
       },
       resolveModuleName: function(fileName) {

modules/core/src/view/view.js

@@ -21,7 +21,7 @@ export class View {
 
   onRecordChange(record:Record, target) {
     // dispatch to element injector or text nodes based on context
-    if (target is ElementInjectorTarge) {
+    if (target instanceof ElementInjectorTarge) {
       // we know that it is ElementInjectorTarge
       var eTarget:ElementInjectorTarget = target;
       onChangeDispatcher.notify(this, eTarget);

modules/rtts_assert/API.md

@@ -0,0 +1,44 @@
+// Asserting APIs:
+// - generated by Traceur (based on type annotations)
+// - can be also used in tests for instance
+assert.type(something, Type);
+assert.returnType(returnValue, Type);
+assert.argumentTypes(firstArg, Type, secondArg, Type);
+
+// this can be used anywhere in the code
+// (useful inside test, when we don't wanna define an interface)
+assert(value).is(...)
+
+
+// Custom type assert:
+// - i have a custom type
+// - adding an assert methos
+assert.define(MyUser, function(value) {
+  assert(value).is(Type, Type2); // or
+  assert(value, 'name').is(assert.string);
+  assert(value, 'contact').is(assert.structure({
+    email: assert.string,
+    cell: assert.string
+  }));
+  assert(value, 'contacts').is(assert.arrayOf(assert.structure({email: assert.string})));
+});
+
+
+
+// Define interface (an empty type with assert method)
+// - returns an empty class with assert method
+var Email = assert.define('IEmail', function(value) {
+  assert(value).is(String);
+
+  if (value.indexOf('@') !== -1) {
+    assert.fail('has to contain "@"');
+  }
+});
+
+
+// Predefined types
+assert.string
+assert.number
+assert.boolean
+assert.arrayOf(...types)
+assert.structure(object)

modules/rtts_assert/README.md

@@ -0,0 +1 @@
+http://angular.github.io/assert/

modules/rtts_assert/package.json

@@ -0,0 +1,31 @@
+{
+  "name": "rtts-assert",
+  "version": "0.0.1",
+  "description": "A type assertion library for Traceur.",
+  "main": "./dist/cjs/assert.js",
+  "homepage": "https://github.com/angular/assert",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/angular/assert.git"
+  },
+  "bugs": {
+    "url": "https://github.com/angular/assert/issues"
+  },
+  "dependencies": {},
+  "devDependencies": {
+    "gulp": "^3.5.6",
+    "gulp-connect": "~1.0.5",
+    "gulp-traceur": "~0.4.0",
+    "karma": "^0.12.1",
+    "karma-chrome-launcher": "^0.1.2",
+    "karma-jasmine": "^0.2.2",
+    "karma-requirejs": "^0.2.1",
+    "karma-traceur-preprocessor": "^0.2.2",
+    "pipe": "git://github.com/angular/pipe#remove-transitive-deps"
+  },
+  "scripts": {
+    "test": "karma start --single-run"
+  },
+  "author": "Vojta Jína <[email protected]>",
+  "license": "Apache-2.0"
+}