GopeedLab/gopeed · error · TypeError

${sourceLabel} must return a ReadableStream, got ${getValueT

Error message

${sourceLabel} must return a ReadableStream, got ${getValueTypeName(value)}

What it means

Error "${sourceLabel} must return a ReadableStream, got ${getValueTypeName(value)}" thrown in GopeedLab/gopeed.

Source

Thrown at pkg/download/engine/inject/stream/stream.js:534

  function getValueTypeName(value) {
    if (value === null) {
      return "null";
    }
    if (value === undefined) {
      return "undefined";
    }
    if (value && value.constructor && typeof value.constructor.name === "string" && value.constructor.name) {
      return value.constructor.name;
    }
    return typeof value;
  }

  function toReadableStreamReader(value, sourceLabel) {
    if (value && typeof value.getReader === "function") {
      return value.getReader();
    }
    throw new TypeError(sourceLabel + " must return a ReadableStream, got " + getValueTypeName(value));
  }

  async function openBlobReadable(blob, request) {
    const { offset, end } = request;
    const sliced = blob.slice(offset, end >= offset ? end + 1 : undefined);
    if (sliced && typeof sliced.stream === "function") {
      try {
        const stream = sliced.stream();
        if (stream && typeof stream.getReader === "function") {
          return stream;
        }
      } catch (_) {
      }
    }
    if (sliced && typeof sliced.arrayBuffer === "function") {
      const buffer = await sliced.arrayBuffer();
      return new ReadableStream({
        start(controller) {

View on GitHub (pinned to 7b7327ffb3)

When it happens

Trigger: Thrown at pkg/download/engine/inject/stream/stream.js:534 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of GopeedLab/gopeed@7b7327ffb3 (2026-08-16). Data as JSON: /api/errors/3a94f984a564ae70. Report an issue: GitHub.