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4
5// @ts-ignore - Val Town imports
6import { fetch } from "https://esm.town/v/std/fetch";
7// @ts-ignore - Val Town imports
8import { Readability } from "npm:@mozilla/readability";
103    }
104
105    const response = await fetch(targetUrl, {
106      headers: forwardHeaders,
107    });
109    if (!response.ok) {
110      return new Response(
111        `Failed to fetch: ${response.status} ${response.statusText}`,
112        { status: response.status },
113      );
135      if (!isNaN(parsedContentLength)) {
136        originalSize = parsedContentLength;
137        // If content-length is present and content was encoded (meaning fetch decompressed it),
138        // then originalSize (from Content-Length) represents the compressed size.
139        if (
358    console.error("DataSaver error:", error);
359
360    if (error instanceof TypeError && String(error).includes("fetch")) {
361      return new Response(
362        `Failed to fetch URL: ${targetUrl}. Please check the URL is valid.`,
363        {
364          status: 400,

6  });
7
8export default app.fetch;