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authorNevena Bojovic <nenabojov@gmail.com>2022-03-01 20:05:50 +0100
committerNevena Bojovic <nenabojov@gmail.com>2022-03-01 20:05:50 +0100
commit291803c31f829fe0d32bb3207bc11def95a7408c (patch)
treec7d43107d79291b19d8c9eceefbe91c9f9a52acf /sandbox/testAppNevena/Front/node_modules/minipass-pipeline/README.md
parent1fa69862057db4db53cfda5be9c24b4228ef63f7 (diff)
Urađena test aplikacija. Povezan front i back.
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+# 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.