fix: fixed one type definition and some doc issues (#583)

* fix: Add express-adapter in tsconfig file, fix return type of reducer function defined in arrayToObjectHeader function.

* fix: link all usages to developer portal

ask-sdk-core/README.md

@@ -17,7 +17,7 @@ npm install --save ask-sdk-model
 
 ## Usage and Getting Started
 
-You can find a getting started guide [here](https://github.com/alexa/alexa-skills-kit-sdk-for-nodejs/wiki).
+You can find a getting started guide [here](https://developer.amazon.com/docs/alexa-skills-kit-sdk-for-nodejs/overview.html).
 
 ## Usage with TypeScript
 The Core SDK package for Node.js bundles TypeScript definition files for use in TypeScript projects and to support tools that can read .d.ts files. Our goal is to keep these TypeScript definition files updated with each release for any public api.

ask-sdk-core/lib/service/DefaultApiClient.ts

@@ -88,7 +88,7 @@ export class DefaultApiClient implements ApiClient {
  */
 function arrayToObjectHeader(header : Array<{key : string, value : string}>) : {[key : string] : string[]} {
     const reducer = (obj : {[key : string] : string[]}, item : {key : string, value : string})
-        : {[key : string] : string | string[]} => {
+        : {[key : string] : string[]} => {
         if (obj[item.key]) {
             obj[item.key].push(item.value);
         } else {

ask-sdk-dynamodb-persistence-adapter/README.md

@@ -17,7 +17,7 @@ npm install --save ask-sdk-dynamodb-persistence-adapter
 
 ## Usage and Getting Started
 
-You can find a getting started guide [here](https://github.com/alexa/alexa-skills-kit-sdk-for-nodejs/wiki).
+You can find a getting started guide [here](https://developer.amazon.com/docs/alexa-skills-kit-sdk-for-nodejs/manage-attributes.html#dynamodbpersistenceadapter).
 
 ## Usage with TypeScript
 The ASK SDK DynamoDB Persistence Adapter package for Node.js bundles TypeScript definition files for use in TypeScript projects and to support tools that can read .d.ts files. Our goal is to keep these TypeScript definition files updated with each release for any public api.

ask-sdk-express-adapter/README.md

@@ -23,7 +23,7 @@ npm install --save ask-sdk-express-adapter
 
 ## Usage and Getting Started
 
-You can find a getting started guide [here](https://github.com/alexa/alexa-skills-kit-sdk-for-nodejs/wiki).
+You can find a getting started guide [here](https://developer.amazon.com/docs/alexa-skills-kit-sdk-for-nodejs/host-web-service.html).
 
 ## Usage with TypeScript
 The ASK SDK Express Adapter package for Node.js bundles TypeScript definition files for use in TypeScript projects and to support tools that can read .d.ts files. Our goal is to keep these TypeScript definition files updated with each release for any public api.

ask-sdk-runtime/README.md

@@ -13,7 +13,7 @@ npm install --save ask-sdk-runtime
 
 ## Usage and Getting Started
 
-You can find a getting started guide [here](https://github.com/alexa/alexa-skills-kit-sdk-for-nodejs/wiki).
+You can find a getting started guide [here](https://developer.amazon.com/docs/alexa-skills-kit-sdk-for-nodejs/overview.html).
 
 ## Usage with TypeScript
 The SDK runtime package for Node.js bundles TypeScript definition files for use in TypeScript projects and to support tools that can read .d.ts files. Our goal is to keep these TypeScript definition files updated with each release for any public api.

ask-sdk-s3-persistence-adapter/README.md

@@ -21,7 +21,7 @@ npm install --save ask-sdk-s3-persistence-adapter
 
 ## Usage and Getting Started
 
-You can find a getting started guide [here](https://github.com/alexa/alexa-skills-kit-sdk-for-nodejs/wiki).
+You can find a getting started guide [here](https://developer.amazon.com/docs/alexa-skills-kit-sdk-for-nodejs/manage-attributes.html#s3persistenceadapter).
 
 ## Usage with TypeScript
 The ASK SDK S3 Persistence Adapter package for Node.js bundles TypeScript definition files for use in TypeScript projects and to support tools that can read .d.ts files. Our goal is to keep these TypeScript definition files updated with each release for any public api.

ask-sdk-v1adapter/README.md

@@ -17,7 +17,7 @@ npm install --save ask-sdk-v1adapter
 
 ## Usage and Getting Started
 
-You can find a getting started guide [here](https://github.com/alexa/alexa-skills-kit-sdk-for-nodejs/wiki).
+You can find a getting started guide [here](https://developer.amazon.com/docs/alexa-skills-kit-sdk-for-nodejs/migration-guide.html#migration-steps).
 
 ## Usage with TypeScript
 The ASK SDK v1 Adapter package for Node.js bundles TypeScript definition files for use in TypeScript projects and to support tools that can read .d.ts files. Our goal is to keep these TypeScript definition files updated with each release for any public api.

ask-sdk/README.md

@@ -13,7 +13,7 @@ npm install --save ask-sdk
 
 ## Usage and Getting Started
 
-You can find a getting started guide [here](https://github.com/alexa/alexa-skills-kit-sdk-for-nodejs/wiki).
+You can find a getting started guide [here](https://developer.amazon.com/docs/alexa-skills-kit-sdk-for-nodejs/overview.html).
 
 ## Usage with TypeScript
 The ASK SDK package for Node.js bundles TypeScript definition files for use in TypeScript projects and to support tools that can read .d.ts files. Our goal is to keep these TypeScript definition files updated with each release for any public api.

tsconfig.json

@@ -18,7 +18,8 @@
     "ask-sdk-dynamodb-persistence-adapter/lib",
     "ask-sdk-runtime/lib",
     "ask-sdk-s3-persistence-adapter/lib",
-    "ask-sdk-v1adapter/lib"
+    "ask-sdk-v1adapter/lib",
+    "ask-sdk-express-adapter/lib"
   ],
   "exclude" : [
     "node_modules"