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Avoid import-time crash from new NativeEventEmitter(Wallet) #67

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Avoid import-time crash from new NativeEventEmitter(Wallet) #67

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14 changes: 12 additions & 2 deletions src/index.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -21,10 +21,20 @@ function getModuleLinkingRejection() {
return Promise.reject(new Error(`Failed to load Wallet module, make sure to link ${PACKAGE_NAME} correctly`));
}

const eventEmitter = new NativeEventEmitter(Wallet);
let eventEmitter: NativeEventEmitter | null = null;

function getEventEmitter(): NativeEventEmitter {
if (!Wallet) {
throw new Error(`Failed to load Wallet module, make sure to link ${PACKAGE_NAME} correctly`);
}
if (!eventEmitter) {
eventEmitter = new NativeEventEmitter(Wallet);
}
return eventEmitter;
}

function addListener(event: string, callback: (data: onCardActivatedPayload) => void): EmitterSubscription {
return eventEmitter.addListener(event, callback);
return getEventEmitter().addListener(event, callback);
}

function removeListener(subscription: EmitterSubscription): void {
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