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Use async / await to improve readability

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This commit is contained in:
Daniel Gasienica 2018-03-16 11:17:38 -04:00
parent 2642844c27
commit c88381efe3
1 changed files with 8 additions and 16 deletions
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24
js/modules/migrations/17/index.js
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@ -17,29 +17,21 @@ const _initializeMessageSchemaVersion = messagesStore =>
const messagePutOperations = []; const messagePutOperations = [];
const cursorRequest = messagesStore.openCursor(); const cursorRequest = messagesStore.openCursor();
cursorRequest.onsuccess = (event) => { cursorRequest.onsuccess = async (event) => {
const cursor = event.target.result; const cursor = event.target.result;
const hasMoreData = Boolean(cursor); const hasMoreData = Boolean(cursor);
if (!hasMoreData) { if (!hasMoreData) {
// eslint-disable-next-line more/no-then await Promise.all(messagePutOperations);
return Promise.all(messagePutOperations) return resolve(messagePutOperations.length);
.then(() => resolve(messagePutOperations.length));
} }
const message = cursor.value; const message = cursor.value;
const messageWithSchemaVersion = Message.initializeSchemaVersion(message); const messageWithSchemaVersion = Message.initializeSchemaVersion(message);
messagePutOperations.push(new Promise((resolvePut) => { messagePutOperations.push(putItem(
console.log( messagesStore,
'Initialize schema version for message:', messageWithSchemaVersion,
messageWithSchemaVersion.id messageWithSchemaVersion.id
); ));
resolvePut(putItem(
messagesStore,
messageWithSchemaVersion,
messageWithSchemaVersion.id
));
}));
return cursor.continue(); return cursor.continue();
}; };