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Gracefully handle rejected token Promise while creating real time subscription handshake link #708

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Gracefully handle rejected token Promise while creating real time subscription handshake link #708

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56 changes: 29 additions & 27 deletions packages/aws-appsync-subscription-link/src/realtime-subscription-handshake-link.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -268,37 +268,39 @@ export class AppSyncRealTimeSubscriptionHandshakeLink extends ApolloLink {
// Preparing payload for subscription message

const dataString = JSON.stringify(data);
const headerObj = {
...(await this._awsRealTimeHeaderBasedAuth({
apiKey,
appSyncGraphqlEndpoint,
authenticationType,
payload: dataString,
canonicalUri: "",
region,
credentials,
token,
graphql_headers
})),
[USER_AGENT_HEADER]: USER_AGENT
};
let stringToAWSRealTime: string;

const subscriptionMessage = {
id: subscriptionId,
payload: {
data: dataString,
extensions: {
authorization: {
...headerObj
try {
const headerObj = {
...(await this._awsRealTimeHeaderBasedAuth({
apiKey,
appSyncGraphqlEndpoint,
authenticationType,
payload: dataString,
canonicalUri: "",
region,
credentials,
token,
graphql_headers
})),
[USER_AGENT_HEADER]: USER_AGENT
};

const subscriptionMessage = {
id: subscriptionId,
payload: {
data: dataString,
extensions: {
authorization: {
...headerObj
}
}
}
},
type: MESSAGE_TYPES.GQL_START
};
},
type: MESSAGE_TYPES.GQL_START
};

const stringToAWSRealTime = JSON.stringify(subscriptionMessage);
stringToAWSRealTime = JSON.stringify(subscriptionMessage);

try {
await this._initializeWebSocketConnection({
apiKey,
appSyncGraphqlEndpoint,
Expand Down