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doc: update pushStream docs to use err first

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Refs: https://github.com/nodejs/node/pull/17406#issuecomment-356661798

PR-URL: https://github.com/nodejs/node/pull/18088
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>
This commit is contained in:
James M Snell 2018-01-10 09:48:21 -08:00
parent 7c84f19455
commit 078b7a2a65
1 changed files with 4 additions and 2 deletions
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6
doc/api/http2.md
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@ -1174,14 +1174,16 @@ added: v8.4.0
* Returns: {undefined} * Returns: {undefined}
Initiates a push stream. The callback is invoked with the new `Http2Stream` Initiates a push stream. The callback is invoked with the new `Http2Stream`
instance created for the push stream. instance created for the push stream passed as the second argument, or an
`Error` passed as the first argument.
```js ```js
const http2 = require('http2'); const http2 = require('http2');
const server = http2.createServer(); const server = http2.createServer();
server.on('stream', (stream) => { server.on('stream', (stream) => {
stream.respond({ ':status': 200 }); stream.respond({ ':status': 200 });
stream.pushStream({ ':path': '/' }, (pushStream) => { stream.pushStream({ ':path': '/' }, (err, pushStream) => {
if (err) throw err;
pushStream.respond({ ':status': 200 }); pushStream.respond({ ':status': 200 });
pushStream.end('some pushed data'); pushStream.end('some pushed data');
}); });