@aws-amplify/analytics/dist/esm/providers/personalize/utils/getEventBuffer.mjs.map

Analytics category of aws-amplify

{"version":3,"file":"getEventBuffer.mjs","sources":["../../../../../src/providers/personalize/utils/getEventBuffer.ts"],"sourcesContent":["// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\nimport { EventBuffer, groupBy } from '../../../utils';\nimport { PersonalizeEventsClient, PutEventsCommand, } from '@aws-sdk/client-personalize-events';\n/**\n * These Records hold cached event buffers and AWS clients.\n * The hash key is determined by the region and session,\n * consisting of a combined value comprising [region, sessionToken, identityId].\n *\n * Only one active session should exist at any given moment.\n * When a new session is initiated, the previous ones should be released.\n * */\nconst eventBufferMap = {};\nconst cachedClients = {};\nconst DELIMITER = '#';\nconst createPutEventsCommand = (ids, events) => {\n    const [trackingId, sessionId, userId] = ids.split(DELIMITER);\n    return new PutEventsCommand({\n        trackingId,\n        sessionId,\n        userId,\n        eventList: events.map(event => ({\n            eventId: event.event.eventId,\n            eventType: event.event.eventType,\n            properties: JSON.stringify(event.event.properties),\n            sentAt: new Date(event.timestamp),\n        })),\n    });\n};\nconst submitEvents = async (events, client) => {\n    const groupedByIds = Object.entries(groupBy(event => [event.trackingId, event.sessionId, event.userId]\n        .filter(id => !!id)\n        .join(DELIMITER), events));\n    const requests = groupedByIds\n        .map(([ids, events]) => createPutEventsCommand(ids, events))\n        .map(command => client.send(command));\n    await Promise.allSettled(requests);\n    return Promise.resolve([]);\n};\nexport const getEventBuffer = ({ region, flushSize, flushInterval, bufferSize, credentials, identityId, userAgentValue, }) => {\n    const sessionIdentityKey = [region, identityId].filter(x => !!x).join('-');\n    if (!eventBufferMap[sessionIdentityKey]) {\n        const getClient = () => {\n            if (!cachedClients[sessionIdentityKey]) {\n                cachedClients[sessionIdentityKey] = new PersonalizeEventsClient({\n                    region,\n                    credentials,\n                    customUserAgent: userAgentValue,\n                });\n            }\n            return events => submitEvents(events, cachedClients[sessionIdentityKey]);\n        };\n        eventBufferMap[sessionIdentityKey] =\n            new EventBuffer({\n                bufferSize,\n                flushSize,\n                flushInterval,\n            }, getClient);\n        const releaseSessionKeys = Object.keys(eventBufferMap).filter(key => key !== sessionIdentityKey);\n        for (const releaseSessionKey of releaseSessionKeys) {\n            eventBufferMap[releaseSessionKey].flushAll().finally(() => {\n                eventBufferMap[releaseSessionKey].release();\n                delete eventBufferMap[releaseSessionKey];\n                delete cachedClients[releaseSessionKey];\n            });\n        }\n    }\n    return 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