Async Wrapper for DocumentClient.query

async-query.js

async function query(table, {keyConditionExpression, expressionAttributeValues} = {}, options = {}, params = {}) {
    const docClient = new AWS.DynamoDB.DocumentClient({...options});
    const requiredParams = {
        TableName: table,
        KeyConditionExpression: keyConditionExpression,
        ExpressionAttributeValues: expressionAttributeValues,
        ReturnConsumedCapacity: 'TOTAL'
    };
    return docClient.query({...requiredParams, ...params}).promise();
}