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async_hooks: introduce store argument in AsyncLocalStorage run methods
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.
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,24 @@ | ||
'use strict'; | ||
require('../common'); | ||
const assert = require('assert'); | ||
const { AsyncLocalStorage } = require('async_hooks'); | ||
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const asyncLocalStorage = new AsyncLocalStorage(); | ||
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asyncLocalStorage.run(42, () => { | ||
assert.strictEqual(asyncLocalStorage.getStore(), 42); | ||
}); | ||
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const runStore = { foo: 'bar' }; | ||
asyncLocalStorage.run(runStore, () => { | ||
assert.strictEqual(asyncLocalStorage.getStore(), runStore); | ||
}); | ||
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asyncLocalStorage.runSyncAndReturn('hello node', () => { | ||
assert.strictEqual(asyncLocalStorage.getStore(), 'hello node'); | ||
}); | ||
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const runSyncStore = { hello: 'node' }; | ||
asyncLocalStorage.runSyncAndReturn(runSyncStore, () => { | ||
assert.strictEqual(asyncLocalStorage.getStore(), runSyncStore); | ||
}); |
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