Composite type which includes both a FirebaseError
object and an index which can be used to get the errored item.
Signature:
export interface FirebaseArrayIndexError
Properties
Property | Type | Description |
---|---|---|
error | FirebaseError | The error object. |
index | number | The index of the errored item within the original array passed as part of the called API method. |
FirebaseArrayIndexError.error
The error object.
Signature:
error: FirebaseError;
FirebaseArrayIndexError.index
The index of the errored item within the original array passed as part of the called API method.
Signature:
index: number;
Example
var registrationTokens = [token1, token2, token3];
admin.messaging().subscribeToTopic(registrationTokens, 'topic-name')
.then(function(response) {
if (response.failureCount > 0) {
console.log("Following devices unsucessfully subscribed to topic:");
response.errors.forEach(function(error) {
var invalidToken = registrationTokens[error.index];
console.log(invalidToken, error.error);
});
} else {
console.log("All devices successfully subscribed to topic:", response);
}
})
.catch(function(error) {
console.log("Error subscribing to topic:", error);
});