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author | Danijel Andjelkovic <adanijel99@gmail.com> | 2022-03-01 21:54:41 +0100 |
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committer | Danijel Andjelkovic <adanijel99@gmail.com> | 2022-03-01 21:54:41 +0100 |
commit | 6c8128f9fd5a5d0be115806c35a21b3d683df8d6 (patch) | |
tree | f46c2f6b3b9b294ff32bd75c08ccdc9e7a8cc4ef /sandbox/testAppNevena/Front/node_modules/minipass-pipeline | |
parent | 2400b84e95913665da6279114168148444b8f9ab (diff) | |
parent | 7d3640f824f46490b47bd95f1c5a16644f712068 (diff) |
Merge branch 'dev' of http://gitlab.pmf.kg.ac.rs/igrannonica/neuronstellar into logo
Diffstat (limited to 'sandbox/testAppNevena/Front/node_modules/minipass-pipeline')
4 files changed, 241 insertions, 0 deletions
diff --git a/sandbox/testAppNevena/Front/node_modules/minipass-pipeline/LICENSE b/sandbox/testAppNevena/Front/node_modules/minipass-pipeline/LICENSE new file mode 100644 index 00000000..19129e31 --- /dev/null +++ b/sandbox/testAppNevena/Front/node_modules/minipass-pipeline/LICENSE @@ -0,0 +1,15 @@ +The ISC License + +Copyright (c) Isaac Z. Schlueter and Contributors + +Permission to use, copy, modify, and/or distribute this software for any +purpose with or without fee is hereby granted, provided that the above +copyright notice and this permission notice appear in all copies. + +THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR +IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. diff --git a/sandbox/testAppNevena/Front/node_modules/minipass-pipeline/README.md b/sandbox/testAppNevena/Front/node_modules/minipass-pipeline/README.md new file mode 100644 index 00000000..12daa99f --- /dev/null +++ b/sandbox/testAppNevena/Front/node_modules/minipass-pipeline/README.md @@ -0,0 +1,69 @@ +# minipass-pipeline + +Create a pipeline of streams using Minipass. + +Calls `.pipe()` on all the streams in the list. Returns a stream where +writes got to the first pipe in the chain, and reads are from the last. + +Errors are proxied along the chain and emitted on the Pipeline stream. + +## USAGE + +```js +const Pipeline = require('minipass-pipeline') + +// the list of streams to pipeline together, +// a bit like `input | transform | output` in bash +const p = new Pipeline(input, transform, output) + +p.write('foo') // writes to input +p.on('data', chunk => doSomething()) // reads from output stream + +// less contrived example (but still pretty contrived)... +const decode = new bunzipDecoder() +const unpack = tar.extract({ cwd: 'target-dir' }) +const tbz = new Pipeline(decode, unpack) + +fs.createReadStream('archive.tbz').pipe(tbz) + +// specify any minipass options if you like, as the first argument +// it'll only try to pipeline event emitters with a .pipe() method +const p = new Pipeline({ objectMode: true }, input, transform, output) + +// If you don't know the things to pipe in right away, that's fine. +// use p.push(stream) to add to the end, or p.unshift(stream) to the front +const databaseDecoderStreamDoohickey = (connectionInfo) => { + const p = new Pipeline() + logIntoDatabase(connectionInfo).then(connection => { + initializeDecoderRing(connectionInfo).then(decoderRing => { + p.push(connection, decoderRing) + getUpstreamSource(upstream => { + p.unshift(upstream) + }) + }) + }) + // return to caller right away + // emitted data will be upstream -> connection -> decoderRing pipeline + return p +} +``` + +Pipeline is a [minipass](http://npm.im/minipass) stream, so it's as +synchronous as the streams it wraps. It will buffer data until there is a +reader, but no longer, so make sure to attach your listeners before you +pipe it somewhere else. + +## `new Pipeline(opts = {}, ...streams)` + +Create a new Pipeline with the specified Minipass options and any streams +provided. + +## `pipeline.push(stream, ...)` + +Attach one or more streams to the pipeline at the end (read) side of the +pipe chain. + +## `pipeline.unshift(stream, ...)` + +Attach one or more streams to the pipeline at the start (write) side of the +pipe chain. diff --git a/sandbox/testAppNevena/Front/node_modules/minipass-pipeline/index.js b/sandbox/testAppNevena/Front/node_modules/minipass-pipeline/index.js new file mode 100644 index 00000000..b94ea14b --- /dev/null +++ b/sandbox/testAppNevena/Front/node_modules/minipass-pipeline/index.js @@ -0,0 +1,128 @@ +const Minipass = require('minipass') +const EE = require('events') +const isStream = s => s && s instanceof EE && ( + typeof s.pipe === 'function' || // readable + (typeof s.write === 'function' && typeof s.end === 'function') // writable +) + +const _head = Symbol('_head') +const _tail = Symbol('_tail') +const _linkStreams = Symbol('_linkStreams') +const _setHead = Symbol('_setHead') +const _setTail = Symbol('_setTail') +const _onError = Symbol('_onError') +const _onData = Symbol('_onData') +const _onEnd = Symbol('_onEnd') +const _onDrain = Symbol('_onDrain') +const _streams = Symbol('_streams') +class Pipeline extends Minipass { + constructor (opts, ...streams) { + if (isStream(opts)) { + streams.unshift(opts) + opts = {} + } + + super(opts) + this[_streams] = [] + if (streams.length) + this.push(...streams) + } + + [_linkStreams] (streams) { + // reduce takes (left,right), and we return right to make it the + // new left value. + return streams.reduce((src, dest) => { + src.on('error', er => dest.emit('error', er)) + src.pipe(dest) + return dest + }) + } + + push (...streams) { + this[_streams].push(...streams) + if (this[_tail]) + streams.unshift(this[_tail]) + + const linkRet = this[_linkStreams](streams) + + this[_setTail](linkRet) + if (!this[_head]) + this[_setHead](streams[0]) + } + + unshift (...streams) { + this[_streams].unshift(...streams) + if (this[_head]) + streams.push(this[_head]) + + const linkRet = this[_linkStreams](streams) + this[_setHead](streams[0]) + if (!this[_tail]) + this[_setTail](linkRet) + } + + destroy (er) { + // set fire to the whole thing. + this[_streams].forEach(s => + typeof s.destroy === 'function' && s.destroy()) + return super.destroy(er) + } + + // readable interface -> tail + [_setTail] (stream) { + this[_tail] = stream + stream.on('error', er => this[_onError](stream, er)) + stream.on('data', chunk => this[_onData](stream, chunk)) + stream.on('end', () => this[_onEnd](stream)) + stream.on('finish', () => this[_onEnd](stream)) + } + + // errors proxied down the pipeline + // they're considered part of the "read" interface + [_onError] (stream, er) { + if (stream === this[_tail]) + this.emit('error', er) + } + [_onData] (stream, chunk) { + if (stream === this[_tail]) + super.write(chunk) + } + [_onEnd] (stream) { + if (stream === this[_tail]) + super.end() + } + pause () { + super.pause() + return this[_tail] && this[_tail].pause && this[_tail].pause() + } + + // NB: Minipass calls its internal private [RESUME] method during + // pipe drains, to avoid hazards where stream.resume() is overridden. + // Thus, we need to listen to the resume *event*, not override the + // resume() method, and proxy *that* to the tail. + emit (ev, ...args) { + if (ev === 'resume' && this[_tail] && this[_tail].resume) + this[_tail].resume() + return super.emit(ev, ...args) + } + + // writable interface -> head + [_setHead] (stream) { + this[_head] = stream + stream.on('drain', () => this[_onDrain](stream)) + } + [_onDrain] (stream) { + if (stream === this[_head]) + this.emit('drain') + } + write (chunk, enc, cb) { + return this[_head].write(chunk, enc, cb) && + (this.flowing || this.buffer.length === 0) + } + end (chunk, enc, cb) { + this[_head].end(chunk, enc, cb) + return this + } +} + +module.exports = Pipeline diff --git a/sandbox/testAppNevena/Front/node_modules/minipass-pipeline/package.json b/sandbox/testAppNevena/Front/node_modules/minipass-pipeline/package.json new file mode 100644 index 00000000..d608dc66 --- /dev/null +++ b/sandbox/testAppNevena/Front/node_modules/minipass-pipeline/package.json @@ -0,0 +1,29 @@ +{ + "name": "minipass-pipeline", + "version": "1.2.4", + "description": "create a pipeline of streams using Minipass", + "author": "Isaac Z. Schlueter <i@izs.me> (https://izs.me)", + "license": "ISC", + "scripts": { + "test": "tap", + "snap": "tap", + "preversion": "npm test", + "postversion": "npm publish", + "postpublish": "git push origin --follow-tags" + }, + "tap": { + "check-coverage": true + }, + "devDependencies": { + "tap": "^14.6.9" + }, + "dependencies": { + "minipass": "^3.0.0" + }, + "files": [ + "index.js" + ], + "engines": { + "node": ">=8" + } +} |