From 935e031d3fc6bfa5eb029945cb1208eff46804f5 Mon Sep 17 00:00:00 2001
From: louis <pohsiu0709@gmail.com>
Date: Thu, 28 Sep 2023 21:59:38 +0800
Subject: [PATCH] feat: add abort controller usage

---
 Geocoder.js | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/Geocoder.js b/Geocoder.js
index b9f5dfb..f80fb98 100644
--- a/Geocoder.js
+++ b/Geocoder.js
@@ -5,6 +5,7 @@ let Geocoder;
 export default Geocoder = {
 	apiKey : null,
 	options : {},
+	instance: null,
 	
 	/**
 	 * Initialize the module.
@@ -86,13 +87,19 @@ export default Geocoder = {
 
 		// fetch
 		try {
-			response = await fetch(url);
+			const abortController = new AbortController();
+			this.instance = fetch(url, {
+				signal: abortController.signal
+			})
+			response = await this.instance;
 		} catch(error) {
 			throw {
 				code : Geocoder.Errors.FETCHING,
 				message : "Error while fetching. Check your network.",
 				origin : error,
 			};
+		} finally {
+			this.instance = null
 		}
 
 		// parse
@@ -117,6 +124,16 @@ export default Geocoder = {
 		return data;
 	},
 
+	isProcessing() {
+		return !!this.instance
+	},
+
+	abort() {
+		if (this.instance) {
+			this.instance.abort()
+		}
+	},
+
 	/**
 	 * All possible errors.
 	 */