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node_modules/jszip/lib/stream/DataLengthProbe.js
| 29 lines
| 829 B
| application/javascript
| JavascriptLexer
|
| r789 | '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; | ||||