minor fix

lewixlabs · Jan 31, 2020 · 33fa538 · 33fa538
1 parent e70d6f9
commit 33fa538
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/react-engine/ApduForm.tsx b/src/react-engine/ApduForm.tsx
@@ -129,7 +129,7 @@ export class ApduForm extends React.Component<IApduFormProps, IApduFormState> {
 
  private onBlurApduField(event: React.FormEvent<HTMLInputElement>) {
 
- const newHexString: string = Utilities.bytesToHexString([parseInt(event.currentTarget.value, 16)]).toUpperCase();
+ const newHexString: string = Utilities.bytesToHexString([parseInt(event.currentTarget.value === "" ? "00" : event.currentTarget.value, 16)]).toUpperCase();
 
  const apduToUpdate: IApduFormState = { ...this.state };
  switch (event.currentTarget.name) {
@@ -220,6 +220,7 @@ export class ApduForm extends React.Component<IApduFormProps, IApduFormState> {
  * macOS workaround (but found in windows too)
  * https://ludovicrousseau.blogspot.com/2017/03/macos-sierra-bug-scardtransmit-silently.html 
  */
+ const originalLe: number = parseInt(this.state.apduToSend.le, 16);
  [apduResult, err] = await CardManager.sendApdu(
  {
  Cla: parseInt(this.state.apduToSend.cla, 16),
@@ -232,6 +233,7 @@ export class ApduForm extends React.Component<IApduFormProps, IApduFormState> {
  },
  Utilities.hexStringToBytes(this.state.apduToSend.dataIn),
  );
+ apduResult.Data = apduResult.Data.slice(0, originalLe);
  }
  }
  const apduToUpdate: IApduFormState = { ...this.state };