Configring node js.
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74
node_modules/jszip/lib/nodejs/NodejsStreamInputAdapter.js
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74
node_modules/jszip/lib/nodejs/NodejsStreamInputAdapter.js
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"use strict";
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var utils = require('../utils');
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var GenericWorker = require('../stream/GenericWorker');
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/**
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* A worker that use a nodejs stream as source.
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* @constructor
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* @param {String} filename the name of the file entry for this stream.
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* @param {Readable} stream the nodejs stream.
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*/
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function NodejsStreamInputAdapter(filename, stream) {
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GenericWorker.call(this, "Nodejs stream input adapter for " + filename);
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this._upstreamEnded = false;
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this._bindStream(stream);
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}
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utils.inherits(NodejsStreamInputAdapter, GenericWorker);
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/**
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* Prepare the stream and bind the callbacks on it.
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* Do this ASAP on node 0.10 ! A lazy binding doesn't always work.
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* @param {Stream} stream the nodejs stream to use.
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*/
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NodejsStreamInputAdapter.prototype._bindStream = function (stream) {
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var self = this;
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this._stream = stream;
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stream.pause();
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stream
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.on("data", function (chunk) {
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self.push({
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data: chunk,
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meta : {
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percent : 0
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}
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});
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})
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.on("error", function (e) {
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if(self.isPaused) {
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this.generatedError = e;
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} else {
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self.error(e);
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}
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})
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.on("end", function () {
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if(self.isPaused) {
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self._upstreamEnded = true;
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} else {
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self.end();
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}
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});
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};
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NodejsStreamInputAdapter.prototype.pause = function () {
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if(!GenericWorker.prototype.pause.call(this)) {
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return false;
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}
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this._stream.pause();
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return true;
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};
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NodejsStreamInputAdapter.prototype.resume = function () {
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if(!GenericWorker.prototype.resume.call(this)) {
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return false;
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}
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if(this._upstreamEnded) {
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this.end();
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} else {
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this._stream.resume();
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}
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return true;
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};
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module.exports = NodejsStreamInputAdapter;
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42
node_modules/jszip/lib/nodejs/NodejsStreamOutputAdapter.js
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node_modules/jszip/lib/nodejs/NodejsStreamOutputAdapter.js
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'use strict';
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var Readable = require('readable-stream').Readable;
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var utils = require('../utils');
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utils.inherits(NodejsStreamOutputAdapter, Readable);
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/**
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* A nodejs stream using a worker as source.
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* @see the SourceWrapper in http://nodejs.org/api/stream.html
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* @constructor
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* @param {StreamHelper} helper the helper wrapping the worker
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* @param {Object} options the nodejs stream options
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* @param {Function} updateCb the update callback.
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*/
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function NodejsStreamOutputAdapter(helper, options, updateCb) {
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Readable.call(this, options);
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this._helper = helper;
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var self = this;
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helper.on("data", function (data, meta) {
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if (!self.push(data)) {
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self._helper.pause();
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}
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if(updateCb) {
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updateCb(meta);
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}
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})
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.on("error", function(e) {
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self.emit('error', e);
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})
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.on("end", function () {
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self.push(null);
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});
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}
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NodejsStreamOutputAdapter.prototype._read = function() {
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this._helper.resume();
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};
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module.exports = NodejsStreamOutputAdapter;
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