added Collection endpoint and types, buildable option interfaces

src/endpoints/collections.ts

@@ -0,0 +1,17 @@
+import { DetailedCollection, LanguageOption, PageOption } from '../types';
+import {  BaseEndpoint } from './base';
+import querystring from 'querystring';
+
+const BASE_COLLECTION = '/collection';
+
+export class CollectionsEndpoint extends BaseEndpoint {
+  constructor(protected readonly accessToken: string) {
+    super(accessToken);
+  }
+
+  async details(id: number, options? : LanguageOption): Promise<DetailedCollection> {
+    const params = querystring.encode(options);
+    return await this.api.get<DetailedCollection>(`${BASE_COLLECTION}/${id}?${params}`);
+  }
+
+}

src/endpoints/index.ts

@@ -15,4 +15,5 @@ export * from './review';
 export * from './trending';
 export * from './find';
 export * from './keywords';
+export * from './collections';
 

src/types/collections.ts

@@ -0,0 +1,16 @@
+import { Movie } from ".";
+
+export interface Collection {
+	id: number;
+	backdrop_path: string;
+	name: string;
+	poster_path: string;
+	adult: boolean;
+	original_language: string;
+	original_name: string;
+	overview: string;
+}
+
+export interface DetailedCollection extends Collection {
+  parts: Movie[]
+}

src/types/index.ts

@@ -1,3 +1,4 @@
+export * from './options';
 export * from './certification';
 export *  from './credits';
 export * from './configuration';
@@ -12,6 +13,7 @@ export * from './review';
 export * from './trending';
 export * from './find';
 export * from './keywords';
+export * from './collections';
 
 export interface AuthorDetails {
   name: string;
@@ -49,13 +51,6 @@ export interface Person {
   popularity: number;
 }
 
-export interface Collection {
-  id:number;
-  backdrop_path: string;
-  name: string;
-  poster_path: string;
-}
-
 export interface Movie {
   id: number;
   logo_path: string;

src/types/options.ts

@@ -0,0 +1,9 @@
+import { ParsedUrlQueryInput } from 'querystring';
+
+export interface LanguageOption extends ParsedUrlQueryInput {
+	language?: string;
+}
+
+export interface PageOption extends ParsedUrlQueryInput {
+	page?: number;
+}