How to use toStream method in root

Best JavaScript code snippet using root

old-mplex-interop.js

Source:old-mplex-interop.js

...13const Plex = require('../src')14describe('node stream multiplex interop', () => {15  it('new2old: one way piping work with 2 sub-streams', (done) => {16    const pullPlex = new Plex(true)17    const plex1 = toStream(pullPlex)18    const stream1 = toStream(pullPlex.createStream())19    const stream2 = toStream(pullPlex.createStream())20    const plex2 = new MplexCore({ initiator: false }, (stream) => {21      stream.pipe(collect())22    })23    plex1.pipe(plex2)24    stream1.write(Buffer.from('hello'))25    stream2.write(Buffer.from('world'))26    stream1.end()27    stream2.end()28    let pending = 229    const results = []30    function collect () {31      return concat(function (data) {32        results.push(data.toString())33        if (--pending === 0) {34          results.sort()35          expect(results[0].toString()).to.equal('hello')36          expect(results[1].toString()).to.equal('world')37          done()38        }39      })40    }41  })42  it('old2new: one way piping work with 2 sub-streams', (done) => {43    const plex1 = new MplexCore()44    const stream1 = plex1.createStream()45    const stream2 = plex1.createStream()46    const pullPlex = new Plex({47      onChan: (pullStream) => {48        const stream = toStream(pullStream)49        stream.pipe(collect())50      }51    })52    const plex2 = toStream(pullPlex)53    plex1.pipe(plex2)54    stream1.write(Buffer.from('hello'))55    stream2.write(Buffer.from('world'))56    stream1.end()57    stream2.end()58    let pending = 259    const results = []60    function collect () {61      return concat(function (data) {62        results.push(data.toString())63        if (--pending === 0) {64          results.sort()65          expect(results[0].toString()).to.equal('hello')66          expect(results[1].toString()).to.equal('world')67          done()68        }69      })70    }71  })72  it('new2old: two way piping works with 2 sub-streams', (done) => {73    const pullPlex = new Plex(true)74    const plex1 = toStream(pullPlex)75    const plex2 = new MplexCore((stream) => {76      const uppercaser = through(function (chunk, e, callback) {77        this.push(Buffer.from(chunk.toString().toUpperCase()))78        this.end()79        callback()80      })81      stream.pipe(uppercaser).pipe(stream)82    })83    plex1.pipe(plex2).pipe(plex1)84    const stream1 = toStream(pullPlex.createStream())85    const stream2 = toStream(pullPlex.createStream())86    stream1.pipe(collect())87    stream2.pipe(collect())88    stream1.write(Buffer.from('hello'))89    stream2.write(Buffer.from('world'))90    let pending = 291    const results = []92    function collect () {93      return concat(function (data) {94        results.push(data.toString())95        if (--pending === 0) {96          results.sort()97          expect(results[0].toString()).to.equal('HELLO')98          expect(results[1].toString()).to.equal('WORLD')99          done()100        }101      })102    }103  })104  it('old2new: two way piping works with 2 sub-streams', (done) => {105    const plex1 = new MplexCore()106    const plex2 = toStream(new Plex({107      initiator: false,108      onChan: (pstream) => {109        const stream = toStream(pstream)110        const uppercaser = through(function (chunk, e, callback) {111          this.push(Buffer.from(chunk.toString().toUpperCase()))112          this.end()113          callback()114        })115        stream.pipe(uppercaser).pipe(stream)116      }117    }))118    plex1.pipe(plex2).pipe(plex1)119    const stream1 = plex1.createStream()120    const stream2 = plex1.createStream()121    stream1.pipe(collect())122    stream2.pipe(collect())123    stream1.write(Buffer.from('hello'))124    stream2.write(Buffer.from('world'))125    let pending = 2126    const results = []127    function collect () {128      return concat(function (data) {129        results.push(data.toString())130        if (--pending === 0) {131          results.sort()132          expect(results[0].toString()).to.equal('HELLO')133          expect(results[1].toString()).to.equal('WORLD')134          done()135        }136      })137    }138  })139  // need to implement message size checks140  it.skip('testing invalid data error', (done) => {141    const plex = toStream(new Plex())142    plex.on('error', function (err) {143      if (err) {144        expect(err.message).to.equal('Incoming message is too big')145        done()146      }147    })148    // a really stupid thing to do149    plex.write(Array(50000).join('\xff'))150  })151  // need to implement message size checks152  it.skip('overflow', (done) => {153    let count = 0154    function check () {155      if (++count === 2) {156        done()157      }158    }159    const plex1 = new MplexCore()160    const plex2 = new MplexCore({ limit: 10 })161    plex2.on('stream', function (stream) {162      stream.on('error', function (err) {163        expect(err.message).to.equal('Incoming message is too big')164        check()165      })166    })167    plex2.on('error', function (err) {168      if (err) {169        expect(err.message).to.equal('Incoming message is too big')170        check()171      }172    })173    plex1.pipe(plex2).pipe(plex1)174    const stream = plex1.createStream()175    stream.write(Buffer.alloc(11))176  })177  it('2 buffers packed into 1 chunk', (done) => {178    const pullPlex = new Plex(true)179    const plex1 = toStream(pullPlex)180    const plex2 = new MplexCore(function (b) {181      b.pipe(concat(function (body) {182        expect(body.toString('utf8')).to.equal('abc\n123\n')183        server.close()184        plex1.end()185        done()186      }))187    })188    const a = toStream(pullPlex.createStream(1337))189    a.write('abc\n')190    a.write('123\n')191    a.end()192    const server = net.createServer(function (stream) {193      plex2.pipe(stream).pipe(plex2)194    })195    server.listen(0, function () {196      const port = server.address().port197      plex1.pipe(net.connect(port)).pipe(plex1)198    })199  })200  it('new2old: chunks', (done) => {201    let times = 100202    ;(function chunk () {203      const collect = collector(function () {204        if (--times === 0) {205          done()206        } else {207          chunk()208        }209      })210      const pullPlex = new Plex(true)211      const plex1 = toStream(pullPlex)212      const stream1 = toStream(pullPlex.createStream())213      const stream2 = toStream(pullPlex.createStream())214      const plex2 = new MplexCore((stream) => {215        stream.pipe(collect())216      })217      plex1.pipe(through(function (buf, enc, next) {218        const bufs = chunky(buf)219        for (let i = 0; i < bufs.length; i++) this.push(bufs[i])220        next()221      })).pipe(plex2)222      stream1.write(Buffer.from('hello'))223      stream2.write(Buffer.from('world'))224      stream1.end()225      stream2.end()226    })()227    function collector (cb) {228      let pending = 2229      const results = []230      return function () {231        return concat(function (data) {232          results.push(data.toString())233          if (--pending === 0) {234            results.sort()235            expect(results[0].toString()).to.equal('hello')236            expect(results[1].toString()).to.equal('world')237            cb()238          }239        })240      }241    }242  })243  it('old2new: chunks', (done) => {244    let times = 100245    ;(function chunk () {246      const collect = collector(function () {247        if (--times === 0) {248          done()249        } else {250          chunk()251        }252      })253      const plex1 = new MplexCore({ initiator: true })254      const stream1 = plex1.createStream()255      const stream2 = plex1.createStream()256      const pullStream = new Plex({257        initiator: false,258        onChan: (pullStream) => {259          const stream = toStream(pullStream)260          stream.pipe(collect())261        }262      })263      const plex2 = toStream(pullStream)264      plex1.pipe(through(function (buf, enc, next) {265        const bufs = chunky(buf)266        for (let i = 0; i < bufs.length; i++) this.push(bufs[i])267        next()268      })).pipe(plex2)269      stream1.write(Buffer.from('hello'))270      stream2.write(Buffer.from('world'))271      stream1.end()272      stream2.end()273    })()274    function collector (cb) {275      let pending = 2276      const results = []277      return function () {278        return concat(function (data) {279          results.push(data.toString())280          if (--pending === 0) {281            results.sort()282            expect(results[0].toString()).to.equal('hello')283            expect(results[1].toString()).to.equal('world')284            cb()285          }286        })287      }288    }289  })290  // not sure how to do this with pull streams (prob not required?)291  it.skip('prefinish + corking', (done) => {292    const pullPlex = new Plex(true)293    const plex = toStream(pullPlex)294    let async = false295    plex.on('prefinish', function () {296      plex.cork()297      process.nextTick(function () {298        async = true299        plex.uncork()300      })301    })302    plex.on('finish', function () {303      expect(async).to.be.ok()304      done()305    })306    plex.end()307  })308  it('quick message', (done) => {309    const pullPlex2 = new Plex(true)310    const plex2 = toStream(pullPlex2)311    const plex1 = new MplexCore(function (stream) {312      stream.write('hello world')313    })314    plex1.pipe(plex2).pipe(plex1)315    setTimeout(function () {316      const chan = pullPlex2.createStream()317      chan.openChan()318      const stream = toStream(chan)319      stream.on('data', function (data) {320        expect(data).to.eql(Buffer.from('hello world'))321        done()322      })323    }, 100)324  })325  it('new2old: half close a muxed stream', (done) => {326    const pullPlex1 = new Plex(true)327    const plex1 = toStream(pullPlex1)328    const plex2 = new MplexCore()329    plex1.pipe(plex2).pipe(plex1)330    plex2.on('stream', function (stream, id) {331      expect(stream).to.exist()332      expect(id).to.exist()333      // let it flow334      stream.on('data', function (data) {335        console.dir(data)336      })337      stream.on('end', function () {338        done()339      })340      stream.on('error', function (err) {341        expect(err).to.not.exist()342      })343      stream.write(Buffer.from('hello world'))344      stream.end()345    })346    const chan = pullPlex1.createStream()347    const stream = toStream(chan)348    chan.openChan()349    stream.on('data', function (data) {350      expect(data).to.eql(Buffer.from('hello world'))351    })352    stream.on('error', function (err) {353      expect(err).to.not.exist()354    })355    stream.on('end', function () {356      stream.end()357    })358  })359  it('old2new: half close a muxed stream', (done) => {360    const plex1 = new MplexCore()361    const pullPlex2 = new Plex()362    const plex2 = toStream(pullPlex2)363    plex1.pipe(plex2).pipe(plex1)364    pullPlex2.on('stream', function (chan, id) {365      const stream = toStream(chan)366      expect(stream).to.exist()367      expect(id).to.exist()368      // let it flow369      stream.on('data', function (data) {370        console.dir(data)371      })372      stream.on('end', function () {373        done()374      })375      stream.on('error', function (err) {376        expect(err).to.not.exist()377      })378      stream.write(Buffer.from('hello world'))379      stream.end()380    })381    const stream = plex1.createStream()382    stream.on('data', function (data) {383      expect(data).to.eql(Buffer.from('hello world'))384    })385    stream.on('error', function (err) {386      expect(err).to.not.exist()387    })388    stream.on('end', function () {389      stream.end()390    })391  })392  it('new2old: half close a half closed muxed stream', (done) => {393    const pullPlex1 = new Plex(true)394    const plex1 = toStream(pullPlex1)395    const plex2 = new MplexCore({ halfOpen: true })396    plex1.nameTag = 'plex1:'397    plex2.nameTag = 'plex2:'398    plex1.pipe(plex2).pipe(plex1)399    plex2.on('stream', function (stream, id) {400      expect(stream).to.exist()401      expect(id).to.exist()402      stream.on('data', function (data) {403        expect(data).to.eql(Buffer.from('some data'))404      })405      stream.on('end', function () {406        stream.write(Buffer.from('hello world'))407        stream.end()408      })409      stream.on('error', function (err) {410        expect(err).to.not.exist()411      })412    })413    const chan = pullPlex1.createStream()414    const stream = toStream(chan)415    stream.on('data', function (data) {416      expect(data).to.eql(Buffer.from('hello world'))417    })418    stream.on('error', function (err) {419      expect(err).to.not.exist()420    })421    stream.on('end', function () {422      done()423    })424    stream.write(Buffer.from('some data'))425    stream.end()426  })427  it('old2new: half close a half closed muxed stream', (done) => {428    const plex1 = new MplexCore({ halfOpen: true })429    const pullPlex2 = new Plex(false)430    const plex2 = toStream(pullPlex2)431    plex1.nameTag = 'plex1:'432    plex2.nameTag = 'plex2:'433    plex1.pipe(plex2).pipe(plex1)434    pullPlex2.on('stream', (chan, id) => {435      const stream = toStream(chan)436      expect(stream).to.exist()437      expect(id).to.exist()438      stream.on('data', (data) => {439        expect(data).to.eql(Buffer.from('some data'))440      })441      stream.on('end', () => {442        stream.write(Buffer.from('hello world'))443        stream.end()444      })445      stream.on('error', (err) => {446        expect(err).to.not.exist()447        console.dir(err)448      })449    })...

namespacedoctest_1_1detail.js

Source:namespacedoctest_1_1detail.js

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index.js

Source:index.js

1'use strict';2// We define these manually to ensure they're always copied3// even if they would move up the prototype chain4// https://nodejs.org/api/http.html#http_class_http_incomingmessage5const knownProperties = [6	'aborted',7	'complete',8	'headers',9	'httpVersion',10	'httpVersionMinor',11	'httpVersionMajor',12	'method',13	'rawHeaders',14	'rawTrailers',15	'setTimeout',16	'socket',17	'statusCode',18	'statusMessage',19	'trailers',20	'url'21];22module.exports = (fromStream, toStream) => {23	if (toStream._readableState.autoDestroy) {24		throw new Error('The second stream must have the `autoDestroy` option set to `false`');25	}26	const fromProperties = new Set(Object.keys(fromStream).concat(knownProperties));27	const properties = {};28	for (const property of fromProperties) {29		// Don't overwrite existing properties.30		if (property in toStream) {31			continue;32		}33		properties[property] = {34			get() {35				const value = fromStream[property];36				const isFunction = typeof value === 'function';37				return isFunction ? value.bind(fromStream) : value;38			},39			set(value) {40				fromStream[property] = value;41			},42			enumerable: true,43			configurable: false44		};45	}46	Object.defineProperties(toStream, properties);47	fromStream.once('aborted', () => {48		toStream.destroy();49		toStream.emit('aborted');50	});51	fromStream.once('close', () => {52		if (fromStream.complete) {53			if (toStream.readable) {54				toStream.once('end', () => {55					toStream.emit('close');56				});57			} else {58				toStream.emit('close');59			}60		} else {61			toStream.emit('close');62		}63	});64	return toStream;...

Using AI Code Generation

1var toStream = require('level-to-stream')2var db = require('./db')3toStream(db)4  .on('data', function (data) {5    console.log(data.key, '=', data.value)6  })7  .on('error', function (err) {8    console.error('Oh my!', err)9  })10  .on('close', function () {11    console.log('Stream closed')12  })13  .on('end', function () {14    console.log('Stream ended')15  })16var level = require('level')17var path = require('path')18var dbPath = path.join(__dirname, 'mydb')19var db = level(dbPath)20{21  "scripts": {22  },23  "dependencies": {24  }25}

Using AI Code Generation

1var fs = require('fs');2var path = require('path');3var xml2js = require('xml2js');4var parser = new xml2js.Parser();5fs.readFile(path.join(__dirname, 'test.xml'), function(err, data) {6    parser.parseString(data, function (err, result) {7        var xml = result;8        var root = xml.root;9        var stream = root.$;10        console.log(stream);11    });12});

Using AI Code Generation

1var fs = require('fs');2var root = require('./root.js');3var stream = root.toStream();4stream.pipe(fs.createWriteStream('test.txt'));5var stream = require('stream');6var util = require('util');7var Root = function () {8    stream.Readable.call(this);9};10util.inherits(Root, stream.Readable);11Root.prototype._read = function () {12    this.push("Hello world");13    this.push(null);14};15Root.prototype.toStream = function () {16    return this;17};18module.exports = new Root();19var stream = require('stream');20var util = require('util');21var Root = function () {22    stream.Readable.call(this);23};24util.inherits(Root, stream.Readable);25Root.prototype._read = function () {26    this.push("Hello world");27    this.push(null);28};29Root.prototype.toStream = function () {30    return this;31};32module.exports = new Root();

Using AI Code Generation

1root.toStream().pipe(process.stdout);2var toStream = root.toStream();3toStream.on('data', function (data) {4  console.log(data);5});6var toStream = root.toStream();7toStream.on('data', function (data) {8  console.log(data);9});10var toStream = root.toStream();11toStream.on('data', function (data) {12  console.log(data);13});14toStream.on('error', function (err) {15  console.log(err);16});17toStream.on('end', function () {18  console.log('end');19});20var toStream = root.toStream();21toStream.on('data', function (data) {22  console.log(data);23});24toStream.on('error', function (err) {25  console.log(err);26});27toStream.on('end', function () {28  console.log('end');29});30var toStream = root.toStream();31toStream.on('data', function (data) {32  console.log(data);33});34toStream.on('error', function (err) {35  console.log(err);36});37toStream.on('end', function () {38  console.log('end');39});

Using AI Code Generation

1root.toStream().pipe(process.stdout);2root.toStream().pipe(process.stdout);3root.toStream().pipe(process.stdout);4root.toStream().pipe(process.stdout);5root.toStream().pipe(process.stdout);6root.toStream().pipe(process.stdout);7root.toStream().pipe(process.stdout);8root.toStream().pipe(process.stdout);9root.toStream().pipe(process.stdout);10root.toStream().pipe(process.stdout);11root.toStream().pipe(process.stdout);12root.toStream().pipe(process.stdout);

Using AI Code Generation

1var stream = root.toStream();2stream.forEach(function(file) {3    file.get(function(err, data) {4        console.log(data);5    });6});7var stream = root.toStream();8stream.forEach(function(file) {9    file.get(function(err, data) {10        console.log(data);11    });12});13var stream = root.toStream();14stream.forEach(function(file) {15    file.get(function(err, data) {16        console.log(data);17    });18});19var stream = root.toStream();

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.