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Current File : /home/jalalj2hb/www/ftm-admin/bower_components/jszip/lib/stream/Crc32Probe.js

'use strict';

var GenericWorker = require('./GenericWorker');
var crc32 = require('../crc32');
var utils = require('../utils');

/**
 * A worker which calculate the crc32 of the data flowing through.
 * @constructor
 */
function Crc32Probe() {
    GenericWorker.call(this, "Crc32Probe");
}
utils.inherits(Crc32Probe, GenericWorker);

/**
 * @see GenericWorker.processChunk
 */
Crc32Probe.prototype.processChunk = function (chunk) {
    this.streamInfo.crc32 = crc32(chunk.data, this.streamInfo.crc32 || 0);
    this.push(chunk);
};
module.exports = Crc32Probe;

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