useCallback-dep-scope-pruned.ts — react Source File
Architecture documentation for useCallback-dep-scope-pruned.ts, a typescript file in the react codebase. 2 imports, 0 dependents.
Entity Profile
Dependency Diagram
graph LR 0f5c3d56_7991_0382_3b42_9176e01a0234["useCallback-dep-scope-pruned.ts"] ac587885_e294_a1e9_b13f_5e7b920fdb42["react"] 0f5c3d56_7991_0382_3b42_9176e01a0234 --> ac587885_e294_a1e9_b13f_5e7b920fdb42 006eec3d_77a9_4a47_e6c1_a96d7a6c9c05["shared-runtime"] 0f5c3d56_7991_0382_3b42_9176e01a0234 --> 006eec3d_77a9_4a47_e6c1_a96d7a6c9c05 style 0f5c3d56_7991_0382_3b42_9176e01a0234 fill:#6366f1,stroke:#818cf8,color:#fff
Relationship Graph
Source Code
// @validatePreserveExistingMemoizationGuarantees
import {useCallback} from 'react';
import {identity, useIdentity} from 'shared-runtime';
function mutate(_: unknown) {}
/**
* Repro showing a manual memo whose declaration (useCallback's 1st argument)
* is memoized, but not its dependency (x). In this case, `x`'s scope is pruned
* due to hook-call flattening.
*/
function useFoo(a) {
const x = identity(a);
useIdentity(2);
mutate(x);
return useCallback(() => [x, []], [x]);
}
export const FIXTURE_ENTRYPOINT = {
fn: useFoo,
params: [3],
};
Domain
Subdomains
Dependencies
- react
- shared-runtime
Source
Frequently Asked Questions
What does useCallback-dep-scope-pruned.ts do?
useCallback-dep-scope-pruned.ts is a source file in the react codebase, written in typescript. It belongs to the TestingUtilities domain, Fixtures subdomain.
What functions are defined in useCallback-dep-scope-pruned.ts?
useCallback-dep-scope-pruned.ts defines 2 function(s): mutate, useFoo.
What does useCallback-dep-scope-pruned.ts depend on?
useCallback-dep-scope-pruned.ts imports 2 module(s): react, shared-runtime.
Where is useCallback-dep-scope-pruned.ts in the architecture?
useCallback-dep-scope-pruned.ts is located at compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/preserve-memo-validation/useCallback-dep-scope-pruned.ts (domain: TestingUtilities, subdomain: Fixtures, directory: compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/preserve-memo-validation).
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