From 0170d4967113cb7a62f46395b67fa75e14b46711 Mon Sep 17 00:00:00 2001
From: Mikhail Basbas <P01MIKHAILB@dsycloud.com>
Date: Fri, 24 Jan 2020 23:56:32 +0800
Subject: [PATCH] Added return value URLSessionDataTask for OpenGraph.fetch to
 have the ability to cancel task if needed

---
 OpenGraph/OpenGraph.swift | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/OpenGraph/OpenGraph.swift b/OpenGraph/OpenGraph.swift
index 61196d5..f50fbe7 100644
--- a/OpenGraph/OpenGraph.swift
+++ b/OpenGraph/OpenGraph.swift
@@ -4,7 +4,8 @@ public struct OpenGraph {
     
     public let source: [OpenGraphMetadata: String]
     
-    public static func fetch(url: URL, headers: [String: String]? = nil, completion: @escaping (Result<OpenGraph, Error>) -> Void) {
+    @discardableResult
+    public static func fetch(url: URL, headers: [String: String]? = nil, completion: @escaping (Result<OpenGraph, Error>) -> Void) -> URLSessionDataTask {
         var mutableURLRequest = URLRequest(url: url)
         headers?.compactMapValues { $0 }.forEach {
             mutableURLRequest.setValue($1, forHTTPHeaderField: $0)
@@ -19,6 +20,7 @@ public struct OpenGraph {
             }
         })
         task.resume()
+        return task
     }
     
     private static func handleFetchResult(data: Data?, response: URLResponse?, completion: @escaping (Result<OpenGraph, Error>) -> Void) {