dynamodb-read-stream/build/sources/AbstractDocumentSource.js

Readable stream client for DynamoDB

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.AbstractDocumentSource = void 0;
const events_1 = require("events");
class AbstractDocumentSource extends events_1.EventEmitter {
    constructor(client, request) {
        super();
        this.client = client;
        this.request = request;
    }
    readStart() {
        this.read()
            .then((response) => {
            if (response.LastEvaluatedKey) {
                this.request = {
                    ...this.request,
                    ExclusiveStartKey: response.LastEvaluatedKey
                };
                this.emit('data', response);
            }
            else {
                this.emit('data', response);
                this.emit('end');
            }
        });
    }
}
exports.AbstractDocumentSource = AbstractDocumentSource;
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