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{
"presets": ["env"]
}

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resources/app/node_modules/winston-transport/LICENSE generated vendored Normal file
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The MIT License (MIT)
Copyright (c) 2015 Charlie Robbins & the contributors.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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'use strict';
// Expose modern transport directly as the export
module.exports = require('./modern');
// Expose legacy stream
module.exports.LegacyTransportStream = require('./legacy');

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'use strict';
var util = require('util');
var _require = require('triple-beam'),
LEVEL = _require.LEVEL;
var TransportStream = require('./modern');
/**
* Constructor function for the LegacyTransportStream. This is an internal
* wrapper `winston >= 3` uses to wrap older transports implementing
* log(level, message, meta).
* @param {Object} options - Options for this TransportStream instance.
* @param {Transpot} options.transport - winston@2 or older Transport to wrap.
*/
var LegacyTransportStream = module.exports = function LegacyTransportStream() {
var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
TransportStream.call(this, options);
if (!options.transport || typeof options.transport.log !== 'function') {
throw new Error('Invalid transport, must be an object with a log method.');
}
this.transport = options.transport;
this.level = this.level || options.transport.level;
this.handleExceptions = this.handleExceptions || options.transport.handleExceptions;
// Display our deprecation notice.
this._deprecated();
// Properly bubble up errors from the transport to the
// LegacyTransportStream instance, but only once no matter how many times
// this transport is shared.
function transportError(err) {
this.emit('error', err, this.transport);
}
if (!this.transport.__winstonError) {
this.transport.__winstonError = transportError.bind(this);
this.transport.on('error', this.transport.__winstonError);
}
};
/*
* Inherit from TransportStream using Node.js built-ins
*/
util.inherits(LegacyTransportStream, TransportStream);
/**
* Writes the info object to our transport instance.
* @param {mixed} info - TODO: add param description.
* @param {mixed} enc - TODO: add param description.
* @param {function} callback - TODO: add param description.
* @returns {undefined}
* @private
*/
LegacyTransportStream.prototype._write = function _write(info, enc, callback) {
if (this.silent || info.exception === true && !this.handleExceptions) {
return callback(null);
}
// Remark: This has to be handled in the base transport now because we
// cannot conditionally write to our pipe targets as stream.
if (!this.level || this.levels[this.level] >= this.levels[info[LEVEL]]) {
this.transport.log(info[LEVEL], info.message, info, this._nop);
}
callback(null);
};
/**
* Writes the batch of info objects (i.e. "object chunks") to our transport
* instance after performing any necessary filtering.
* @param {mixed} chunks - TODO: add params description.
* @param {function} callback - TODO: add params description.
* @returns {mixed} - TODO: add returns description.
* @private
*/
LegacyTransportStream.prototype._writev = function _writev(chunks, callback) {
for (var i = 0; i < chunks.length; i++) {
if (this._accept(chunks[i])) {
this.transport.log(chunks[i].chunk[LEVEL], chunks[i].chunk.message, chunks[i].chunk, this._nop);
chunks[i].callback();
}
}
return callback(null);
};
/**
* Displays a deprecation notice. Defined as a function so it can be
* overriden in tests.
* @returns {undefined}
*/
LegacyTransportStream.prototype._deprecated = function _deprecated() {
// eslint-disable-next-line no-console
console.error([this.transport.name + ' is a legacy winston transport. Consider upgrading: ', '- Upgrade docs: https://github.com/winstonjs/winston/blob/master/UPGRADE-3.0.md'].join('\n'));
};
/**
* Clean up error handling state on the legacy transport associated
* with this instance.
* @returns {undefined}
*/
LegacyTransportStream.prototype.close = function close() {
if (this.transport.close) {
this.transport.close();
}
if (this.transport.__winstonError) {
this.transport.removeListener('error', this.transport.__winstonError);
this.transport.__winstonError = null;
}
};

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'use strict';
var util = require('util');
var Writable = require('readable-stream/lib/_stream_writable.js');
var _require = require('triple-beam'),
LEVEL = _require.LEVEL;
/**
* Constructor function for the TransportStream. This is the base prototype
* that all `winston >= 3` transports should inherit from.
* @param {Object} options - Options for this TransportStream instance
* @param {String} options.level - Highest level according to RFC5424.
* @param {Boolean} options.handleExceptions - If true, info with
* { exception: true } will be written.
* @param {Function} options.log - Custom log function for simple Transport
* creation
* @param {Function} options.close - Called on "unpipe" from parent.
*/
var TransportStream = module.exports = function TransportStream() {
var _this = this;
var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
Writable.call(this, { objectMode: true, highWaterMark: options.highWaterMark });
this.format = options.format;
this.level = options.level;
this.handleExceptions = options.handleExceptions;
this.handleRejections = options.handleRejections;
this.silent = options.silent;
if (options.log) this.log = options.log;
if (options.logv) this.logv = options.logv;
if (options.close) this.close = options.close;
// Get the levels from the source we are piped from.
this.once('pipe', function (logger) {
// Remark (indexzero): this bookkeeping can only support multiple
// Logger parents with the same `levels`. This comes into play in
// the `winston.Container` code in which `container.add` takes
// a fully realized set of options with pre-constructed TransportStreams.
_this.levels = logger.levels;
_this.parent = logger;
});
// If and/or when the transport is removed from this instance
this.once('unpipe', function (src) {
// Remark (indexzero): this bookkeeping can only support multiple
// Logger parents with the same `levels`. This comes into play in
// the `winston.Container` code in which `container.add` takes
// a fully realized set of options with pre-constructed TransportStreams.
if (src === _this.parent) {
_this.parent = null;
if (_this.close) {
_this.close();
}
}
});
};
/*
* Inherit from Writeable using Node.js built-ins
*/
util.inherits(TransportStream, Writable);
/**
* Writes the info object to our transport instance.
* @param {mixed} info - TODO: add param description.
* @param {mixed} enc - TODO: add param description.
* @param {function} callback - TODO: add param description.
* @returns {undefined}
* @private
*/
TransportStream.prototype._write = function _write(info, enc, callback) {
if (this.silent || info.exception === true && !this.handleExceptions) {
return callback(null);
}
// Remark: This has to be handled in the base transport now because we
// cannot conditionally write to our pipe targets as stream. We always
// prefer any explicit level set on the Transport itself falling back to
// any level set on the parent.
var level = this.level || this.parent && this.parent.level;
if (!level || this.levels[level] >= this.levels[info[LEVEL]]) {
if (info && !this.format) {
return this.log(info, callback);
}
var errState = void 0;
var transformed = void 0;
// We trap(and re-throw) any errors generated by the user-provided format, but also
// guarantee that the streams callback is invoked so that we can continue flowing.
try {
transformed = this.format.transform(Object.assign({}, info), this.format.options);
} catch (err) {
errState = err;
}
if (errState || !transformed) {
// eslint-disable-next-line callback-return
callback();
if (errState) throw errState;
return;
}
return this.log(transformed, callback);
}
this._writableState.sync = false;
return callback(null);
};
/**
* Writes the batch of info objects (i.e. "object chunks") to our transport
* instance after performing any necessary filtering.
* @param {mixed} chunks - TODO: add params description.
* @param {function} callback - TODO: add params description.
* @returns {mixed} - TODO: add returns description.
* @private
*/
TransportStream.prototype._writev = function _writev(chunks, callback) {
if (this.logv) {
var infos = chunks.filter(this._accept, this);
if (!infos.length) {
return callback(null);
}
// Remark (indexzero): from a performance perspective if Transport
// implementers do choose to implement logv should we make it their
// responsibility to invoke their format?
return this.logv(infos, callback);
}
for (var i = 0; i < chunks.length; i++) {
if (!this._accept(chunks[i])) continue;
if (chunks[i].chunk && !this.format) {
this.log(chunks[i].chunk, chunks[i].callback);
continue;
}
var errState = void 0;
var transformed = void 0;
// We trap(and re-throw) any errors generated by the user-provided format, but also
// guarantee that the streams callback is invoked so that we can continue flowing.
try {
transformed = this.format.transform(Object.assign({}, chunks[i].chunk), this.format.options);
} catch (err) {
errState = err;
}
if (errState || !transformed) {
// eslint-disable-next-line callback-return
chunks[i].callback();
if (errState) {
// eslint-disable-next-line callback-return
callback(null);
throw errState;
}
} else {
this.log(transformed, chunks[i].callback);
}
}
return callback(null);
};
/**
* Predicate function that returns true if the specfied `info` on the
* WriteReq, `write`, should be passed down into the derived
* TransportStream's I/O via `.log(info, callback)`.
* @param {WriteReq} write - winston@3 Node.js WriteReq for the `info` object
* representing the log message.
* @returns {Boolean} - Value indicating if the `write` should be accepted &
* logged.
*/
TransportStream.prototype._accept = function _accept(write) {
var info = write.chunk;
if (this.silent) {
return false;
}
// We always prefer any explicit level set on the Transport itself
// falling back to any level set on the parent.
var level = this.level || this.parent && this.parent.level;
// Immediately check the average case: log level filtering.
if (info.exception === true || !level || this.levels[level] >= this.levels[info[LEVEL]]) {
// Ensure the info object is valid based on `{ exception }`:
// 1. { handleExceptions: true }: all `info` objects are valid
// 2. { exception: false }: accepted by all transports.
if (this.handleExceptions || info.exception !== true) {
return true;
}
}
return false;
};
/**
* _nop is short for "No operation"
* @returns {Boolean} Intentionally false.
*/
TransportStream.prototype._nop = function _nop() {
// eslint-disable-next-line no-undefined
return void undefined;
};

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'use strict';
// Expose modern transport directly as the export
module.exports = require('./modern');
// Expose legacy stream
module.exports.LegacyTransportStream = require('./legacy');

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'use strict';
const util = require('util');
const { LEVEL } = require('triple-beam');
const TransportStream = require('./modern');
/**
* Constructor function for the LegacyTransportStream. This is an internal
* wrapper `winston >= 3` uses to wrap older transports implementing
* log(level, message, meta).
* @param {Object} options - Options for this TransportStream instance.
* @param {Transpot} options.transport - winston@2 or older Transport to wrap.
*/
const LegacyTransportStream = module.exports = function LegacyTransportStream(options = {}) {
TransportStream.call(this, options);
if (!options.transport || typeof options.transport.log !== 'function') {
throw new Error('Invalid transport, must be an object with a log method.');
}
this.transport = options.transport;
this.level = this.level || options.transport.level;
this.handleExceptions = this.handleExceptions || options.transport.handleExceptions;
// Display our deprecation notice.
this._deprecated();
// Properly bubble up errors from the transport to the
// LegacyTransportStream instance, but only once no matter how many times
// this transport is shared.
function transportError(err) {
this.emit('error', err, this.transport);
}
if (!this.transport.__winstonError) {
this.transport.__winstonError = transportError.bind(this);
this.transport.on('error', this.transport.__winstonError);
}
};
/*
* Inherit from TransportStream using Node.js built-ins
*/
util.inherits(LegacyTransportStream, TransportStream);
/**
* Writes the info object to our transport instance.
* @param {mixed} info - TODO: add param description.
* @param {mixed} enc - TODO: add param description.
* @param {function} callback - TODO: add param description.
* @returns {undefined}
* @private
*/
LegacyTransportStream.prototype._write = function _write(info, enc, callback) {
if (this.silent || (info.exception === true && !this.handleExceptions)) {
return callback(null);
}
// Remark: This has to be handled in the base transport now because we
// cannot conditionally write to our pipe targets as stream.
if (!this.level || this.levels[this.level] >= this.levels[info[LEVEL]]) {
this.transport.log(info[LEVEL], info.message, info, this._nop);
}
callback(null);
};
/**
* Writes the batch of info objects (i.e. "object chunks") to our transport
* instance after performing any necessary filtering.
* @param {mixed} chunks - TODO: add params description.
* @param {function} callback - TODO: add params description.
* @returns {mixed} - TODO: add returns description.
* @private
*/
LegacyTransportStream.prototype._writev = function _writev(chunks, callback) {
for (let i = 0; i < chunks.length; i++) {
if (this._accept(chunks[i])) {
this.transport.log(
chunks[i].chunk[LEVEL],
chunks[i].chunk.message,
chunks[i].chunk,
this._nop
);
chunks[i].callback();
}
}
return callback(null);
};
/**
* Displays a deprecation notice. Defined as a function so it can be
* overriden in tests.
* @returns {undefined}
*/
LegacyTransportStream.prototype._deprecated = function _deprecated() {
// eslint-disable-next-line no-console
console.error([
`${this.transport.name} is a legacy winston transport. Consider upgrading: `,
'- Upgrade docs: https://github.com/winstonjs/winston/blob/master/UPGRADE-3.0.md'
].join('\n'));
};
/**
* Clean up error handling state on the legacy transport associated
* with this instance.
* @returns {undefined}
*/
LegacyTransportStream.prototype.close = function close() {
if (this.transport.close) {
this.transport.close();
}
if (this.transport.__winstonError) {
this.transport.removeListener('error', this.transport.__winstonError);
this.transport.__winstonError = null;
}
};

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resources/app/node_modules/winston-transport/modern.js generated vendored Normal file
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'use strict';
const util = require('util');
const Writable = require('readable-stream/lib/_stream_writable.js');
const { LEVEL } = require('triple-beam');
/**
* Constructor function for the TransportStream. This is the base prototype
* that all `winston >= 3` transports should inherit from.
* @param {Object} options - Options for this TransportStream instance
* @param {String} options.level - Highest level according to RFC5424.
* @param {Boolean} options.handleExceptions - If true, info with
* { exception: true } will be written.
* @param {Function} options.log - Custom log function for simple Transport
* creation
* @param {Function} options.close - Called on "unpipe" from parent.
*/
const TransportStream = module.exports = function TransportStream(options = {}) {
Writable.call(this, { objectMode: true, highWaterMark: options.highWaterMark });
this.format = options.format;
this.level = options.level;
this.handleExceptions = options.handleExceptions;
this.handleRejections = options.handleRejections;
this.silent = options.silent;
if (options.log) this.log = options.log;
if (options.logv) this.logv = options.logv;
if (options.close) this.close = options.close;
// Get the levels from the source we are piped from.
this.once('pipe', logger => {
// Remark (indexzero): this bookkeeping can only support multiple
// Logger parents with the same `levels`. This comes into play in
// the `winston.Container` code in which `container.add` takes
// a fully realized set of options with pre-constructed TransportStreams.
this.levels = logger.levels;
this.parent = logger;
});
// If and/or when the transport is removed from this instance
this.once('unpipe', src => {
// Remark (indexzero): this bookkeeping can only support multiple
// Logger parents with the same `levels`. This comes into play in
// the `winston.Container` code in which `container.add` takes
// a fully realized set of options with pre-constructed TransportStreams.
if (src === this.parent) {
this.parent = null;
if (this.close) {
this.close();
}
}
});
};
/*
* Inherit from Writeable using Node.js built-ins
*/
util.inherits(TransportStream, Writable);
/**
* Writes the info object to our transport instance.
* @param {mixed} info - TODO: add param description.
* @param {mixed} enc - TODO: add param description.
* @param {function} callback - TODO: add param description.
* @returns {undefined}
* @private
*/
TransportStream.prototype._write = function _write(info, enc, callback) {
if (this.silent || (info.exception === true && !this.handleExceptions)) {
return callback(null);
}
// Remark: This has to be handled in the base transport now because we
// cannot conditionally write to our pipe targets as stream. We always
// prefer any explicit level set on the Transport itself falling back to
// any level set on the parent.
const level = this.level || (this.parent && this.parent.level);
if (!level || this.levels[level] >= this.levels[info[LEVEL]]) {
if (info && !this.format) {
return this.log(info, callback);
}
let errState;
let transformed;
// We trap(and re-throw) any errors generated by the user-provided format, but also
// guarantee that the streams callback is invoked so that we can continue flowing.
try {
transformed = this.format.transform(Object.assign({}, info), this.format.options);
} catch (err) {
errState = err;
}
if (errState || !transformed) {
// eslint-disable-next-line callback-return
callback();
if (errState) throw errState;
return;
}
return this.log(transformed, callback);
}
this._writableState.sync = false;
return callback(null);
};
/**
* Writes the batch of info objects (i.e. "object chunks") to our transport
* instance after performing any necessary filtering.
* @param {mixed} chunks - TODO: add params description.
* @param {function} callback - TODO: add params description.
* @returns {mixed} - TODO: add returns description.
* @private
*/
TransportStream.prototype._writev = function _writev(chunks, callback) {
if (this.logv) {
const infos = chunks.filter(this._accept, this);
if (!infos.length) {
return callback(null);
}
// Remark (indexzero): from a performance perspective if Transport
// implementers do choose to implement logv should we make it their
// responsibility to invoke their format?
return this.logv(infos, callback);
}
for (let i = 0; i < chunks.length; i++) {
if (!this._accept(chunks[i])) continue;
if (chunks[i].chunk && !this.format) {
this.log(chunks[i].chunk, chunks[i].callback);
continue;
}
let errState;
let transformed;
// We trap(and re-throw) any errors generated by the user-provided format, but also
// guarantee that the streams callback is invoked so that we can continue flowing.
try {
transformed = this.format.transform(
Object.assign({}, chunks[i].chunk),
this.format.options
);
} catch (err) {
errState = err;
}
if (errState || !transformed) {
// eslint-disable-next-line callback-return
chunks[i].callback();
if (errState) {
// eslint-disable-next-line callback-return
callback(null);
throw errState;
}
} else {
this.log(transformed, chunks[i].callback);
}
}
return callback(null);
};
/**
* Predicate function that returns true if the specfied `info` on the
* WriteReq, `write`, should be passed down into the derived
* TransportStream's I/O via `.log(info, callback)`.
* @param {WriteReq} write - winston@3 Node.js WriteReq for the `info` object
* representing the log message.
* @returns {Boolean} - Value indicating if the `write` should be accepted &
* logged.
*/
TransportStream.prototype._accept = function _accept(write) {
const info = write.chunk;
if (this.silent) {
return false;
}
// We always prefer any explicit level set on the Transport itself
// falling back to any level set on the parent.
const level = this.level || (this.parent && this.parent.level);
// Immediately check the average case: log level filtering.
if (
info.exception === true ||
!level ||
this.levels[level] >= this.levels[info[LEVEL]]
) {
// Ensure the info object is valid based on `{ exception }`:
// 1. { handleExceptions: true }: all `info` objects are valid
// 2. { exception: false }: accepted by all transports.
if (this.handleExceptions || info.exception !== true) {
return true;
}
}
return false;
};
/**
* _nop is short for "No operation"
* @returns {Boolean} Intentionally false.
*/
TransportStream.prototype._nop = function _nop() {
// eslint-disable-next-line no-undefined
return void undefined;
};

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{
"name": "winston-transport",
"description": "Base stream implementations for winston@3 and up.",
"version": "4.7.0",
"main": "index.js",
"browser": "dist/index.js",
"repository": {
"type": "git",
"url": "git@github.com:winstonjs/winston-transport.git"
},
"author": "Charlie Robbins <charlie.robbins@gmail.com>",
"license": "MIT",
"homepage": "https://github.com/winstonjs/winston-transport#readme",
"dependencies": {
"logform": "^2.3.2",
"readable-stream": "^3.6.0",
"triple-beam": "^1.3.0"
},
"devDependencies": {
"@types/node": "^20.8.6",
"abstract-winston-transport": ">=0.5.1",
"assume": "^2.3.0",
"babel-cli": "^6.26.0",
"babel-preset-env": "^1.7.0",
"deep-equal": "^2.0.5",
"eslint": "^8.8.0",
"@dabh/eslint-config-populist": "^5.0.0",
"mocha": "^10.0.0",
"nyc": "^15.1.0",
"rimraf": "^5.0.5",
"winston-compat": "^0.1.5"
},
"engines": {
"node": ">= 12.0.0"
}
}