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Configring node js.

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This commit is contained in:
Vahagn Khachatryan
2018-12-07 15:58:35 +00:00
parent eef20e4bdd
commit 4fa4328740
1501 changed files with 87070 additions and 0 deletions
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26
node_modules/jszip/lib/stream/ConvertWorker.js generated vendored Normal file
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'use strict';
var GenericWorker = require('./GenericWorker');
var utils = require('../utils');
/**
* A worker which convert chunks to a specified type.
* @constructor
* @param {String} destType the destination type.
*/
function ConvertWorker(destType) {
GenericWorker.call(this, "ConvertWorker to " + destType);
this.destType = destType;
}
utils.inherits(ConvertWorker, GenericWorker);
/**
* @see GenericWorker.processChunk
*/
ConvertWorker.prototype.processChunk = function (chunk) {
this.push({
data : utils.transformTo(this.destType, chunk.data),
meta : chunk.meta
});
};
module.exports = ConvertWorker;

24
node_modules/jszip/lib/stream/Crc32Probe.js generated vendored Normal file
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'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");
this.withStreamInfo("crc32", 0);
}
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;

29
node_modules/jszip/lib/stream/DataLengthProbe.js generated vendored Normal file
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'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;

116
node_modules/jszip/lib/stream/DataWorker.js generated vendored Normal file
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'use strict';
var utils = require('../utils');
var GenericWorker = require('./GenericWorker');
// the size of the generated chunks
// TODO expose this as a public variable
var DEFAULT_BLOCK_SIZE = 16 * 1024;
/**
* A worker that reads a content and emits chunks.
* @constructor
* @param {Promise} dataP the promise of the data to split
*/
function DataWorker(dataP) {
GenericWorker.call(this, "DataWorker");
var self = this;
this.dataIsReady = false;
this.index = 0;
this.max = 0;
this.data = null;
this.type = "";
this._tickScheduled = false;
dataP.then(function (data) {
self.dataIsReady = true;
self.data = data;
self.max = data && data.length || 0;
self.type = utils.getTypeOf(data);
if(!self.isPaused) {
self._tickAndRepeat();
}
}, function (e) {
self.error(e);
});
}
utils.inherits(DataWorker, GenericWorker);
/**
* @see GenericWorker.cleanUp
*/
DataWorker.prototype.cleanUp = function () {
GenericWorker.prototype.cleanUp.call(this);
this.data = null;
};
/**
* @see GenericWorker.resume
*/
DataWorker.prototype.resume = function () {
if(!GenericWorker.prototype.resume.call(this)) {
return false;
}
if (!this._tickScheduled && this.dataIsReady) {
this._tickScheduled = true;
utils.delay(this._tickAndRepeat, [], this);
}
return true;
};
/**
* Trigger a tick a schedule an other call to this function.
*/
DataWorker.prototype._tickAndRepeat = function() {
this._tickScheduled = false;
if(this.isPaused || this.isFinished) {
return;
}
this._tick();
if(!this.isFinished) {
utils.delay(this._tickAndRepeat, [], this);
this._tickScheduled = true;
}
};
/**
* Read and push a chunk.
*/
DataWorker.prototype._tick = function() {
if(this.isPaused || this.isFinished) {
return false;
}
var size = DEFAULT_BLOCK_SIZE;
var data = null, nextIndex = Math.min(this.max, this.index + size);
if (this.index >= this.max) {
// EOF
return this.end();
} else {
switch(this.type) {
case "string":
data = this.data.substring(this.index, nextIndex);
break;
case "uint8array":
data = this.data.subarray(this.index, nextIndex);
break;
case "array":
case "nodebuffer":
data = this.data.slice(this.index, nextIndex);
break;
}
this.index = nextIndex;
return this.push({
data : data,
meta : {
percent : this.max ? this.index / this.max * 100 : 0
}
});
}
};
module.exports = DataWorker;

263
node_modules/jszip/lib/stream/GenericWorker.js generated vendored Normal file
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'use strict';
/**
* A worker that does nothing but passing chunks to the next one. This is like
* a nodejs stream but with some differences. On the good side :
* - it works on IE 6-9 without any issue / polyfill
* - it weights less than the full dependencies bundled with browserify
* - it forwards errors (no need to declare an error handler EVERYWHERE)
*
* A chunk is an object with 2 attributes : `meta` and `data`. The former is an
* object containing anything (`percent` for example), see each worker for more
* details. The latter is the real data (String, Uint8Array, etc).
*
* @constructor
* @param {String} name the name of the stream (mainly used for debugging purposes)
*/
function GenericWorker(name) {
// the name of the worker
this.name = name || "default";
// an object containing metadata about the workers chain
this.streamInfo = {};
// an error which happened when the worker was paused
this.generatedError = null;
// an object containing metadata to be merged by this worker into the general metadata
this.extraStreamInfo = {};
// true if the stream is paused (and should not do anything), false otherwise
this.isPaused = true;
// true if the stream is finished (and should not do anything), false otherwise
this.isFinished = false;
// true if the stream is locked to prevent further structure updates (pipe), false otherwise
this.isLocked = false;
// the event listeners
this._listeners = {
'data':[],
'end':[],
'error':[]
};
// the previous worker, if any
this.previous = null;
}
GenericWorker.prototype = {
/**
* Push a chunk to the next workers.
* @param {Object} chunk the chunk to push
*/
push : function (chunk) {
this.emit("data", chunk);
},
/**
* End the stream.
* @return {Boolean} true if this call ended the worker, false otherwise.
*/
end : function () {
if (this.isFinished) {
return false;
}
this.flush();
try {
this.emit("end");
this.cleanUp();
this.isFinished = true;
} catch (e) {
this.emit("error", e);
}
return true;
},
/**
* End the stream with an error.
* @param {Error} e the error which caused the premature end.
* @return {Boolean} true if this call ended the worker with an error, false otherwise.
*/
error : function (e) {
if (this.isFinished) {
return false;
}
if(this.isPaused) {
this.generatedError = e;
} else {
this.isFinished = true;
this.emit("error", e);
// in the workers chain exploded in the middle of the chain,
// the error event will go downward but we also need to notify
// workers upward that there has been an error.
if(this.previous) {
this.previous.error(e);
}
this.cleanUp();
}
return true;
},
/**
* Add a callback on an event.
* @param {String} name the name of the event (data, end, error)
* @param {Function} listener the function to call when the event is triggered
* @return {GenericWorker} the current object for chainability
*/
on : function (name, listener) {
this._listeners[name].push(listener);
return this;
},
/**
* Clean any references when a worker is ending.
*/
cleanUp : function () {
this.streamInfo = this.generatedError = this.extraStreamInfo = null;
this._listeners = [];
},
/**
* Trigger an event. This will call registered callback with the provided arg.
* @param {String} name the name of the event (data, end, error)
* @param {Object} arg the argument to call the callback with.
*/
emit : function (name, arg) {
if (this._listeners[name]) {
for(var i = 0; i < this._listeners[name].length; i++) {
this._listeners[name][i].call(this, arg);
}
}
},
/**
* Chain a worker with an other.
* @param {Worker} next the worker receiving events from the current one.
* @return {worker} the next worker for chainability
*/
pipe : function (next) {
return next.registerPrevious(this);
},
/**
* Same as `pipe` in the other direction.
* Using an API with `pipe(next)` is very easy.
* Implementing the API with the point of view of the next one registering
* a source is easier, see the ZipFileWorker.
* @param {Worker} previous the previous worker, sending events to this one
* @return {Worker} the current worker for chainability
*/
registerPrevious : function (previous) {
if (this.isLocked) {
throw new Error("The stream '" + this + "' has already been used.");
}
// sharing the streamInfo...
this.streamInfo = previous.streamInfo;
// ... and adding our own bits
this.mergeStreamInfo();
this.previous = previous;
var self = this;
previous.on('data', function (chunk) {
self.processChunk(chunk);
});
previous.on('end', function () {
self.end();
});
previous.on('error', function (e) {
self.error(e);
});
return this;
},
/**
* Pause the stream so it doesn't send events anymore.
* @return {Boolean} true if this call paused the worker, false otherwise.
*/
pause : function () {
if(this.isPaused || this.isFinished) {
return false;
}
this.isPaused = true;
if(this.previous) {
this.previous.pause();
}
return true;
},
/**
* Resume a paused stream.
* @return {Boolean} true if this call resumed the worker, false otherwise.
*/
resume : function () {
if(!this.isPaused || this.isFinished) {
return false;
}
this.isPaused = false;
// if true, the worker tried to resume but failed
var withError = false;
if(this.generatedError) {
this.error(this.generatedError);
withError = true;
}
if(this.previous) {
this.previous.resume();
}
return !withError;
},
/**
* Flush any remaining bytes as the stream is ending.
*/
flush : function () {},
/**
* Process a chunk. This is usually the method overridden.
* @param {Object} chunk the chunk to process.
*/
processChunk : function(chunk) {
this.push(chunk);
},
/**
* Add a key/value to be added in the workers chain streamInfo once activated.
* @param {String} key the key to use
* @param {Object} value the associated value
* @return {Worker} the current worker for chainability
*/
withStreamInfo : function (key, value) {
this.extraStreamInfo[key] = value;
this.mergeStreamInfo();
return this;
},
/**
* Merge this worker's streamInfo into the chain's streamInfo.
*/
mergeStreamInfo : function () {
for(var key in this.extraStreamInfo) {
if (!this.extraStreamInfo.hasOwnProperty(key)) {
continue;
}
this.streamInfo[key] = this.extraStreamInfo[key];
}
},
/**
* Lock the stream to prevent further updates on the workers chain.
* After calling this method, all calls to pipe will fail.
*/
lock: function () {
if (this.isLocked) {
throw new Error("The stream '" + this + "' has already been used.");
}
this.isLocked = true;
if (this.previous) {
this.previous.lock();
}
},
/**
*
* Pretty print the workers chain.
*/
toString : function () {
var me = "Worker " + this.name;
if (this.previous) {
return this.previous + " -> " + me;
} else {
return me;
}
}
};
module.exports = GenericWorker;

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node_modules/jszip/lib/stream/StreamHelper.js generated vendored Normal file
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'use strict';
var utils = require('../utils');
var ConvertWorker = require('./ConvertWorker');
var GenericWorker = require('./GenericWorker');
var base64 = require('../base64');
var support = require("../support");
var external = require("../external");
var NodejsStreamOutputAdapter = null;
if (support.nodestream) {
try {
NodejsStreamOutputAdapter = require('../nodejs/NodejsStreamOutputAdapter');
} catch(e) {}
}
/**
* Apply the final transformation of the data. If the user wants a Blob for
* example, it's easier to work with an U8intArray and finally do the
* ArrayBuffer/Blob conversion.
* @param {String} type the name of the final type
* @param {String|Uint8Array|Buffer} content the content to transform
* @param {String} mimeType the mime type of the content, if applicable.
* @return {String|Uint8Array|ArrayBuffer|Buffer|Blob} the content in the right format.
*/
function transformZipOutput(type, content, mimeType) {
switch(type) {
case "blob" :
return utils.newBlob(utils.transformTo("arraybuffer", content), mimeType);
case "base64" :
return base64.encode(content);
default :
return utils.transformTo(type, content);
}
}
/**
* Concatenate an array of data of the given type.
* @param {String} type the type of the data in the given array.
* @param {Array} dataArray the array containing the data chunks to concatenate
* @return {String|Uint8Array|Buffer} the concatenated data
* @throws Error if the asked type is unsupported
*/
function concat (type, dataArray) {
var i, index = 0, res = null, totalLength = 0;
for(i = 0; i < dataArray.length; i++) {
totalLength += dataArray[i].length;
}
switch(type) {
case "string":
return dataArray.join("");
case "array":
return Array.prototype.concat.apply([], dataArray);
case "uint8array":
res = new Uint8Array(totalLength);
for(i = 0; i < dataArray.length; i++) {
res.set(dataArray[i], index);
index += dataArray[i].length;
}
return res;
case "nodebuffer":
return Buffer.concat(dataArray);
default:
throw new Error("concat : unsupported type '" + type + "'");
}
}
/**
* Listen a StreamHelper, accumulate its content and concatenate it into a
* complete block.
* @param {StreamHelper} helper the helper to use.
* @param {Function} updateCallback a callback called on each update. Called
* with one arg :
* - the metadata linked to the update received.
* @return Promise the promise for the accumulation.
*/
function accumulate(helper, updateCallback) {
return new external.Promise(function (resolve, reject){
var dataArray = [];
var chunkType = helper._internalType,
resultType = helper._outputType,
mimeType = helper._mimeType;
helper
.on('data', function (data, meta) {
dataArray.push(data);
if(updateCallback) {
updateCallback(meta);
}
})
.on('error', function(err) {
dataArray = [];
reject(err);
})
.on('end', function (){
try {
var result = transformZipOutput(resultType, concat(chunkType, dataArray), mimeType);
resolve(result);
} catch (e) {
reject(e);
}
dataArray = [];
})
.resume();
});
}
/**
* An helper to easily use workers outside of JSZip.
* @constructor
* @param {Worker} worker the worker to wrap
* @param {String} outputType the type of data expected by the use
* @param {String} mimeType the mime type of the content, if applicable.
*/
function StreamHelper(worker, outputType, mimeType) {
var internalType = outputType;
switch(outputType) {
case "blob":
case "arraybuffer":
internalType = "uint8array";
break;
case "base64":
internalType = "string";
break;
}
try {
// the type used internally
this._internalType = internalType;
// the type used to output results
this._outputType = outputType;
// the mime type
this._mimeType = mimeType;
utils.checkSupport(internalType);
this._worker = worker.pipe(new ConvertWorker(internalType));
// the last workers can be rewired without issues but we need to
// prevent any updates on previous workers.
worker.lock();
} catch(e) {
this._worker = new GenericWorker("error");
this._worker.error(e);
}
}
StreamHelper.prototype = {
/**
* Listen a StreamHelper, accumulate its content and concatenate it into a
* complete block.
* @param {Function} updateCb the update callback.
* @return Promise the promise for the accumulation.
*/
accumulate : function (updateCb) {
return accumulate(this, updateCb);
},
/**
* Add a listener on an event triggered on a stream.
* @param {String} evt the name of the event
* @param {Function} fn the listener
* @return {StreamHelper} the current helper.
*/
on : function (evt, fn) {
var self = this;
if(evt === "data") {
this._worker.on(evt, function (chunk) {
fn.call(self, chunk.data, chunk.meta);
});
} else {
this._worker.on(evt, function () {
utils.delay(fn, arguments, self);
});
}
return this;
},
/**
* Resume the flow of chunks.
* @return {StreamHelper} the current helper.
*/
resume : function () {
utils.delay(this._worker.resume, [], this._worker);
return this;
},
/**
* Pause the flow of chunks.
* @return {StreamHelper} the current helper.
*/
pause : function () {
this._worker.pause();
return this;
},
/**
* Return a nodejs stream for this helper.
* @param {Function} updateCb the update callback.
* @return {NodejsStreamOutputAdapter} the nodejs stream.
*/
toNodejsStream : function (updateCb) {
utils.checkSupport("nodestream");
if (this._outputType !== "nodebuffer") {
// an object stream containing blob/arraybuffer/uint8array/string
// is strange and I don't know if it would be useful.
// I you find this comment and have a good usecase, please open a
// bug report !
throw new Error(this._outputType + " is not supported by this method");
}
return new NodejsStreamOutputAdapter(this, {
objectMode : this._outputType !== "nodebuffer"
}, updateCb);
}
};
module.exports = StreamHelper;