40 lines
975 B
JavaScript
40 lines
975 B
JavaScript
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var Transform = require('stream').Transform;
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var parseEvent = require('./parse-event').parseEvent;
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/** @type {Transform} */
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function EventUnmarshallerStream(options) {
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options = options || {};
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// set output to object mode
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options.readableObjectMode = true;
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Transform.call(this, options);
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this._readableState.objectMode = true;
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this.parser = options.parser;
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this.eventStreamModel = options.eventStreamModel;
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}
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EventUnmarshallerStream.prototype = Object.create(Transform.prototype);
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/**
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*
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* @param {Buffer} chunk
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* @param {string} encoding
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* @param {*} callback
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*/
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EventUnmarshallerStream.prototype._transform = function(chunk, encoding, callback) {
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try {
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var event = parseEvent(this.parser, chunk, this.eventStreamModel);
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this.push(event);
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return callback();
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} catch (err) {
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callback(err);
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}
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};
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/**
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* @api private
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*/
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module.exports = {
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EventUnmarshallerStream: EventUnmarshallerStream
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};
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