Function packageData

github-actions/browserstack/set-browserstack-env.js:15367–15413

(bytes, type, mimeType, encodingName)

                }
                chunkPromise = reader.read();
              } else if (done) {
                queueMicrotask(() => {
                  fr[kState] = "done";
                  try {
                    const result = packageData(bytes, type, blob.type, encodingName);
                    if (fr[kAborted]) {
                      return;
                    }
                    fr[kResult] = result;
                    fireAProgressEvent("load", fr);
                  } catch (error) {
                    fr[kError] = error;
                    fireAProgressEvent("error", fr);
                  }
                  if (fr[kState] !== "loading") {
                    fireAProgressEvent("loadend", fr);
                  }
                });
                break;
              }
            } catch (error) {
              if (fr[kAborted]) {
                return;
              }
              queueMicrotask(() => {
                fr[kState] = "done";
                fr[kError] = error;
                fireAProgressEvent("error", fr);
                if (fr[kState] !== "loading") {
                  fireAProgressEvent("loadend", fr);
                }
              });
              break;
            }
          }
        }))();
      }
      function fireAProgressEvent(e, reader) {
        const event = new ProgressEvent(e, {
          bubbles: false,
          cancelable: false
        });
        reader.dispatchEvent(event);
      }
      function packageData(bytes, type, mimeType, encodingName) {
        switch (type) {
          case "DataURL": {
            let dataURL = "data:";
            const parsed = parseMIMEType(mimeType || "application/octet-stream");
            if (parsed !== "failure") {