add license

Author: andrejpk

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2020 Andrej Kyselica
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -4,7 +4,7 @@ This is a CosmosDB DataSource for the Apollo GraphQL Server. It was adapted from
 
 ## Usage
 
-Use by creating a new class, inheriting from `CosmsosDBDataSource` passing in the CosmosDb container instance (created from the CosmosDB Javascript API)
+Use by creating a new class, inheriting from `CosmsosDataSource` passing in the CosmosDb container instance (created from the CosmosDB Javascript API)
 
 `data-sources/Users.ts`
 
@@ -16,6 +16,7 @@ export class UserDataSource extends CosmosDataSource<UserDoc, ApolloContext> {}
 
 ```typescript
 import { CosmosClient } from "@azure/cosmos";
+import { CosmosDataSource } from "apollo-datasource-cosmosdb";
 
 const cosmosClient = new CosmosClient({
   endpoint: "https://my-cosmos-db.documents.azure.com:443/",
@@ -96,7 +97,7 @@ This library is written in Typescript and exports full type definitions, but usa
 
 ```typescript
 
-const thisUser = await users.findOneById(id: string, {ttl})  // => Promise<T>
+const thisUser = await users.findOneById(id: string, {ttl})  // => Promise<T | undefined>
 
 const userPair = await users.findManyByIds([id1, id2], {ttl}) // => Promise<(T | undefined)[]>