Function resolveObjectURL

lib/internal/blob.js:366–400

(url)

});

function resolveObjectURL(url) {
  url = `${url}`;
  try {
    const parsed = new URL(url);

    const split = StringPrototypeSplit(parsed.pathname, ':', 3);

    if (split.length !== 2)
      return;

    const {
      0: base,
      1: id,
    } = split;

    if (base !== 'nodedata')
      return;

    const ret = getDataObject(id);

    if (ret === undefined)
      return;

    const {
      0: handle,
      1: length,
      2: type,
    } = ret;

    if (handle !== undefined)
      return createBlob(handle, length, type);
  } catch {
    // If there's an error, it's ignored and nothing is returned
  }
}

// TODO(@jasnell): Now that the File class exists, we might consider having
// this return a `File` instead of a `Blob`.