From ec6bf9840b03bdab70c4ca028b6e0acc7c4af897 Mon Sep 17 00:00:00 2001
From: xangelo <git@xangelo.ca>
Date: Wed, 6 Apr 2022 12:47:56 -0400
Subject: [PATCH] extract the parser api to a base class

---
 src/parsers/base.ts | 4 ++++
 src/parsers/rss.ts  | 5 +++--
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/parsers/base.ts b/src/parsers/base.ts
index 64aaa8b..acf9a25 100644
--- a/src/parsers/base.ts
+++ b/src/parsers/base.ts
@@ -11,3 +11,7 @@ export type Feed = {
   link: string;
   items: FeedItem[];
 };
+
+export abstract class BaseParser {
+  abstract parse(url: string): Promise<Feed>;
+}
diff --git a/src/parsers/rss.ts b/src/parsers/rss.ts
index d23dcc2..e2db58d 100644
--- a/src/parsers/rss.ts
+++ b/src/parsers/rss.ts
@@ -1,5 +1,5 @@
 import Parser from 'rss-parser';
-import {Feed} from './base';
+import {Feed, BaseParser} from './base';
 
 function timestamp(str: string): number {
   const date = +(new Date(str));
@@ -13,9 +13,10 @@ function reasonable(dateStr: string): string {
   return `${date.getFullYear()}-${month}-${day}`;
 }
 
-export class RSSParser {
+export class RSSParser extends BaseParser {
   parser: Parser;
   constructor() {
+    super();
     this.parser = new Parser;
   }
 
-- 
2.25.1