Current File : /home/jalalj2hb/www/ftm-admin/bower_components/jszip/lib/stream/DataLengthProbe.js
'use strict';
var utils = require('../utils');
var GenericWorker = require('./GenericWorker');
/**
* A worker which calculate the total length of the data flowing through.
* @constructor
* @param {String} propName the name used to expose the length
*/
function DataLengthProbe(propName) {
GenericWorker.call(this, "DataLengthProbe for " + propName);
this.propName = propName;
this.withStreamInfo(propName, 0);
}
utils.inherits(DataLengthProbe, GenericWorker);
/**
* @see GenericWorker.processChunk
*/
DataLengthProbe.prototype.processChunk = function (chunk) {
if(chunk) {
var length = this.streamInfo[this.propName] || 0;
this.streamInfo[this.propName] = length + chunk.data.length;
}
GenericWorker.prototype.processChunk.call(this, chunk);
};
module.exports = DataLengthProbe;
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