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Documentation/Add 'close' events to fs.ReadStream, fs.WriteStream, etc per Issue #6484 #6499

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Documentation/Add 'close' events to fs.ReadStream, fs.WriteStream, etc per Issue #6484 #6499

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9d48b5d
Add 'close' events to fs.ReadStream and fs.WriteSTream
May 1, 2016
ff217a8
Add 'close' event to stream.Writable per Issue #6484
May 1, 2016
827dfcb
Add #### prefix to Event: 'close' and backticks to 'close' similar to…
May 1, 2016
57aa9e6
Add more specifics to 'close' events for fs.ReadStream and fs.WriteSt…
May 1, 2016
439df4b
Fix/Changed 'close' event from 'fs.ReadStream' to 'fs.WriteStream'
May 1, 2016
b2a0db1
wrapped long lines at 80 chars, reworded
May 2, 2016
bcc8bd2
including the 'close' event as optional
May 2, 2016
8cdf720
add 'close' event as optional in stream.Readable
May 2, 2016
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8 changes: 8 additions & 0 deletions doc/api/fs.md
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Expand Up @@ -151,6 +151,10 @@ Stop watching for changes on the given `fs.FSWatcher`.

Emitted when the ReadStream's file is opened.

### Event: 'close'

Emitted when a ReadStream's file has ended or closed. Comes from fs.close() method.
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Maybe something more specific like "Emitted when the ReadStream's underlying file descriptor has been closed" and similarly for WriteStream?


### readStream.path

The path to the file the stream is reading from as specified in the first
Expand Down Expand Up @@ -238,6 +242,10 @@ on Unix systems, it never was.

Emitted when the WriteStream's file is opened.

### Event: 'close'

Emitted when a WriteStream's file has ended or closed. Comes from fs.close() method.

### writeStream.bytesWritten

The number of bytes written so far. Does not include data that is still queued
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6 changes: 6 additions & 0 deletions doc/api/stream.md
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Expand Up @@ -572,6 +572,12 @@ Examples of writable streams include:
* [TCP sockets][]
* [child process stdin][]
* [`process.stdout`][], [`process.stderr`][]

Event: 'close'
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This needs to be prefixed with ####.


Emitted when the stream and any of its underlying resources (a file descriptor, for example) have been closed. The event indicates that no more events will be emitted, and no further computation will occur.
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How does this differs from 'end'?
Should a user expect 'close' or 'end' to proceed? Which one happens first?

I will also move this block after 'end', meaning that 'end' is the preferred way of waiting for the end of a stream.

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@jennabelle jennabelle May 2, 2016 •
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@mcollina

I hesitate to move the 'Event: 'close'' block to after the 'Event: 'end'' block because these events seem to be in alphabetical order for better user experience.

The difference between 'close' and 'end' events:

  1. 'close' event - Whatever it is tied to, for example a stream, it is done now. This event comes from the fs.close() method and is optional. Not all streams emit this event.
  2. 'end' event - Waits for the current data to finish buffering. means no more data will be emitted. This event is tied to the end() function on Streams.


Not all streams will emit the 'close' event.
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'close' needs to be surrounded by backticks to match the formatting from the Readable section.


#### Event: 'drain'

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