refactor providers

src/parser.ts

@@ -1,10 +1,9 @@
 import * as toml from "toml";
 import Resource from "./resource";
 import {
-  Provider,
+  UrlProvider,
   ModrinthProvider,
   CurseForgeProvider,
-  UrlProvider,
   GitHubProvider,
 } from "./provider";
 
@@ -12,7 +11,7 @@ export interface Metafile {
   name: string;
   filename: string;
   side: "server" | "client" | "both";
-  provider: Provider;
+  provider: UrlProvider;
 }
 
 /**
@@ -52,7 +51,7 @@ export class IndexFileEntry {
     return metafile;
   }
 
-  private parseProvider(parsed: any): Provider {
+  private parseProvider(parsed: any): UrlProvider {
     if (parsed.update?.modrinth) {
       return new ModrinthProvider(
         parsed.download.hash,

src/provider.ts

@@ -1,22 +1,11 @@
 import Resource from "./resource";
 
-export abstract class Provider {
-  constructor(
-    public hash: string,
-    public hashFormat: string,
-  ) {}
-
-  abstract get downloadUrl(): Resource;
-}
-
-export class UrlProvider extends Provider {
+export class UrlProvider {
   constructor(
     public hash: string,
     public hashFormat: string,
     private url: string,
-  ) {
-    super(hash, hashFormat);
-  }
+  ) {}
 
   get downloadUrl(): Resource {
     return new Resource(this.url);
@@ -49,7 +38,7 @@ export class GitHubProvider extends UrlProvider {
   }
 }
 
-export class CurseForgeProvider extends Provider {
+export class CurseForgeProvider extends UrlProvider {
   constructor(
     hash: string,
     hashFormat: string,
@@ -57,12 +46,10 @@ export class CurseForgeProvider extends Provider {
     public fileId: number,
     public projectId: number,
   ) {
-    super(hash, hashFormat);
-  }
-
-  get downloadUrl(): Resource {
-    return new Resource(
-      `https://www.curseforge.com/api/v1/mods/${this.projectId}/files/${this.fileId}/download`,
+    super(
+      hash,
+      hashFormat,
+      `https://www.curseforge.com/api/v1/mods/${projectId}/files/${fileId}/download`,
     );
   }
 }