added keywords endpoint and types

src/endpoints/index.ts

@@ -14,4 +14,5 @@ export * from './people';
 export * from './review';
 export * from './trending';
 export * from './find';
+export * from './keywords';
 

src/endpoints/keywords.ts

@@ -0,0 +1,20 @@
+import { BaseEndpoint } from './base';
+import querystring from 'querystring';
+import { BelongingMovies, Keyword, KeywordsOptions } from '../types';
+
+const BASE_Keyword = '/keyword';
+
+export class KeywordsEndpoint extends BaseEndpoint {
+  constructor(accessToken: string) {
+    super(accessToken);
+  }
+
+  async details(keywordId : number): Promise<Keyword> {
+    return await this.api.get<Keyword>(`${BASE_Keyword}/${keywordId}`);
+  }
+
+  async belongingMovies(keywordId : number, options?: KeywordsOptions): Promise<BelongingMovies> {
+    const params = querystring.encode(options);
+    return await this.api.get<BelongingMovies>(`${BASE_Keyword}/${keywordId}/movies?${params}`);
+  }
+}

src/types/index.ts

@@ -11,6 +11,7 @@ export * from './discover';
 export * from './review';
 export * from './trending';
 export * from './find';
+export * from './keywords';
 
 export interface AuthorDetails {
   name: string;

src/types/keywords.ts

@@ -0,0 +1,19 @@
+import { ParsedUrlQueryInput } from 'querystring';
+import { Movie } from '.';
+
+export interface KeywordsOptions extends ParsedUrlQueryInput {
+	include_adult?: boolean;
+	language?: string;
+}
+
+export interface BelongingMovies{
+  page: number;
+	results: Movie[];
+	total_results: number;
+	total_pages: number;
+}
+
+export interface Keyword{
+  id: number;
+  name: string;
+}