Enable strict on scripts, fix problems

.scripts/dependencies.ts

@@ -266,7 +266,7 @@ function writePackageJson(packageJson: any, packageJsonFilePath: string): void {
   fs.writeFileSync(packageJsonFilePath, JSON.stringify(packageJson, undefined, "  ") + "\n");
 }
 
-export function updateLocalDependencies(packageFolders: PackageFolder[], localDependencyNPMScript: string, getNewDependencyVersion: (dependencyName: string) => string): void {
+export function updateLocalDependencies(packageFolders: PackageFolder[], localDependencyNPMScript: string, getNewDependencyVersion: (dependencyName: string) => string | undefined): void {
   const forceRefresh: boolean = shouldForceRefresh(process.argv);
 
   for (const packageFolder of packageFolders) {
@@ -309,8 +309,8 @@ export function updateLocalDependencies(packageFolders: PackageFolder[], localDe
   }
 }
 
-function updateLocalDependency(packageFolder: PackageFolder, dependencyName: string, getNewDependencyVersion: (dependencyName: string) => string): boolean {
-  const newDependencyVersion: string = getNewDependencyVersion(dependencyName);
+function updateLocalDependency(packageFolder: PackageFolder, dependencyName: string, getNewDependencyVersion: (dependencyName: string) => string | undefined): boolean {
+  const newDependencyVersion: string = getNewDependencyVersion(dependencyName) || "";
 
   const packageFolderPath: string = packageFolder.folderPath;
 

.scripts/tsconfig.json

@@ -0,0 +1,11 @@
+{
+  "extends": "../tsconfig.json",
+  "compilerOptions": {
+    "noEmit": true,
+    "strict": true
+  },
+  "include": [
+    "*.ts",
+    "*.js"
+  ]
+}

package.json

@@ -84,7 +84,8 @@
     "url": "http://github.com/Azure/ms-rest-js/issues"
   },
   "scripts": {
-    "build": "run-p build:node build:es build:browser",
+    "build": "run-p build:scripts build:node build:es build:browser",
+    "build:scripts": "tsc -p ./.scripts/",
     "build:node": "tsc",
     "build:es": "tsc -p tsconfig.es.json",
     "build:browser": "webpack && node node_modules/uglify-es/bin/uglifyjs --source-map -c -m -o msRestBundle.min.js msRestBundle.js",