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nodejs/test/async-hooks/test-async-local-storage-http.js
Andrey Pechkurov 6510a741c4 async_hooks: add store arg in AsyncLocalStorage
This commit introduces store as the first argument in
AsyncLocalStorage's run methods. The change is motivated by the
following expectation: most users are going to use a custom object
as the store and an extra Map created by the previous implementation
is an overhead for their use case.

Important note. This is a backwards incompatible change.
It was discussed and agreed an incompatible change is ok
since the API is still experimental and the modified
methods were only added within the last week so usage
will be minimal to none.

PR-URL: https://github.com/nodejs/node/pull/31930
Reviewed-By: Stephen Belanger <admin@stephenbelanger.com>
Reviewed-By: Vladimir de Turckheim <vlad2t@hotmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
2020-02-27 15:00:23 -05:00

22 lines
617 B
JavaScript

'use strict';
require('../common');
const assert = require('assert');
const { AsyncLocalStorage } = require('async_hooks');
const http = require('http');
const asyncLocalStorage = new AsyncLocalStorage();
const server = http.createServer((req, res) => {
res.end('ok');
});
server.listen(0, () => {
asyncLocalStorage.run(new Map(), () => {
const store = asyncLocalStorage.getStore();
store.set('hello', 'world');
http.get({ host: 'localhost', port: server.address().port }, () => {
assert.strictEqual(asyncLocalStorage.getStore().get('hello'), 'world');
server.close();
});
});
});