Update gulp-typescript; use gulp-cached for typeless compile, and omit gulp-cached for all typed compiles.

Author: Brian Kotek

package.json

@@ -71,7 +71,7 @@
     "gulp-sourcemaps": "2.0.0-alpha",
     "gulp-template": "^4.0.0",
     "gulp-tslint": "^4.3.3",
-    "gulp-typescript": "~2.13.4",
+    "gulp-typescript": "~2.13.6",
     "gulp-uglify": "^1.5.3",
     "gulp-util": "^3.0.7",
     "gulp-watch": "^4.3.5",

tools/tasks/seed/build.js.dev.ts

@@ -35,11 +35,10 @@ export = () => {
   if (typedBuildCounter < TYPED_COMPILE_INTERVAL) {
     isFullCompile = false;
     tsProject = makeTsProject({isolatedModules: true});
+    projectFiles = projectFiles.pipe(plugins.cached());
+    util.log('Performing typeless TypeScript compile.');
   } else {
     tsProject = makeTsProject();
-    if(TYPED_COMPILE_INTERVAL <= 0) {
-      projectFiles = projectFiles.pipe(plugins.cached());
-    }
     projectFiles = merge(typings, projectFiles);
   }
 
@@ -55,7 +54,6 @@ export = () => {
     typedBuildCounter = 0;
   } else {
     typedBuildCounter++;
-    util.log('Performing typeless TypeScript compile.');
   }
 
   return result.js