refactor(fetcher): introduce json method

src/source/Einschalten.ts

@@ -30,7 +30,7 @@ export class Einschalten extends Source {
   public async handleInternal(ctx: Context, _type: string, id: Id): Promise<SourceResult[]> {
     const tmdbId = await getTmdbId(ctx, this.fetcher, id);
 
-    const { releaseName: title, streamUrl } = JSON.parse(await this.fetcher.text(ctx, new URL(`/api/movies/${tmdbId.id}/watch`, this.baseUrl))) as EinschaltenResponse;
+    const { releaseName: title, streamUrl } = await this.fetcher.json(ctx, new URL(`/api/movies/${tmdbId.id}/watch`, this.baseUrl)) as EinschaltenResponse;
 
     return [{ url: new URL(streamUrl), meta: { countryCodes: [CountryCode.de], title } }];
   };

src/source/Frembed.ts

@@ -29,7 +29,7 @@ export class Frembed extends Source {
       ? new URL(`/api/series?id=${tmdbId.id}&sa=${tmdbId.season}&epi=${tmdbId.episode}&idType=tmdb`, this.baseUrl)
       : new URL(`/api/films?id=${tmdbId.id}&idType=tmdb`, this.baseUrl);
 
-    const json = JSON.parse(await this.fetcher.text(ctx, apiUrl));
+    const json = await this.fetcher.json(ctx, apiUrl);
 
     const urls: URL[] = [];
     for (const key in json) {

src/source/Movix.ts

@@ -33,7 +33,7 @@ export class Movix extends Source {
       ? new URL(`/api/tmdb/tv/${tmdbId.id}?season=${tmdbId.season}&episode=${tmdbId.episode}`, this.baseUrl)
       : new URL(`/api/tmdb/movie/${tmdbId.id}`, this.baseUrl);
 
-    const json = JSON.parse(await this.fetcher.text(ctx, apiUrl));
+    const json = await this.fetcher.json(ctx, apiUrl);
     const data: MovixApiData | undefined = tmdbId.season ? json['current_episode'] : json;
 
     if (!data || !data.player_links) {

src/source/PrimeWire.ts

@@ -70,7 +70,7 @@ export class PrimeWire extends Source {
       primeSrcUrl.searchParams.set('type', 'tv');
     }
 
-    const primeSrcResponse = JSON.parse(await this.fetcher.text(ctx, primeSrcUrl, { headers: { Referer: pageUrl.origin } })) as PrimeSrcResponsePartial;
+    const primeSrcResponse = await this.fetcher.json(ctx, primeSrcUrl, { headers: { Referer: pageUrl.origin } }) as PrimeSrcResponsePartial;
 
     const linksTokenMatch = appJs.match(/t="(0\.x.*?)"/) as string[];
     const linksToken = linksTokenMatch[1] as string;
@@ -85,7 +85,7 @@ export class PrimeWire extends Source {
         if (!targetUrlHref) {
           const linkFetchUrl = new URL(redirectUrl.href.replace('/gos/', '/go/'));
           linkFetchUrl.searchParams.set('token', linksToken);
-          targetUrlHref = JSON.parse(await this.fetcher.text(ctx, linkFetchUrl))['link'] as string;
+          targetUrlHref = (await this.fetcher.json(ctx, linkFetchUrl))['link'] as string;
 
           await this.redirectUrlCache.set<string>(redirectUrl.href, targetUrlHref);
         }

src/utils/Fetcher.ts

@@ -101,6 +101,18 @@ export class Fetcher {
     return (await this.cachedFetch(ctx, url, { ...init, method: 'HEAD' })).headers;
   };
 
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  public async json(ctx: Context, url: URL, init?: CustomRequestInit): Promise<any> {
+    const jsonInit = {
+      headers: {
+        Accept: 'application/json,text/plain,*/*',
+      },
+      ...init,
+    };
+
+    return JSON.parse(await this.text(ctx, url, jsonInit));
+  }
+
   private getInit(ctx: Context, url: URL, init?: CustomRequestInit): CustomRequestInit {
     const cookieString = this.cookieJar.getCookieStringSync(url.href);
     const noProxyHeaders = init?.noProxyHeaders ?? false;

src/utils/media-flow-proxy.ts

@@ -34,7 +34,7 @@ export const buildMediaFlowProxyExtractorStreamUrl = async (ctx: Context, fetche
     mediaFlowProxyUrl.searchParams.set('h_' + headerKey.toLowerCase(), headers[headerKey] as string);
   }
 
-  const extractResult: ExtractResult = JSON.parse(await fetcher.text(ctx, mediaFlowProxyUrl));
+  const extractResult: ExtractResult = await fetcher.json(ctx, mediaFlowProxyUrl);
 
   const streamUrl = new URL(extractResult.mediaflow_proxy_url);
 

src/utils/tmdb.ts

@@ -53,7 +53,7 @@ const tmdbFetch = async (ctx: Context, fetcher: Fetcher, path: string, searchPar
   }
 
   const data = await mutex.runExclusive(async () => {
-    return JSON.parse(await fetcher.text(ctx, url, config));
+    return await fetcher.json(ctx, url, config);
   });
 
   if (!mutex.isLocked()) {