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for-in-statement-type-inference.js — react Source File

Architecture documentation for for-in-statement-type-inference.js, a javascript file in the react codebase.

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Source Code

// @enablePreserveExistingMemoizationGuarantees:false
const {identity, mutate} = require('shared-runtime');

function Component(props) {
  let x;
  const object = {...props.value};
  for (const y in object) {
    x = y;
  }
  mutate(x); // can't modify, x is known primitive!
  return x;
}

export const FIXTURE_ENTRYPOINT = {
  fn: Component,
  params: [{value: {a: 'a', b: 'B', c: 'C!'}}],
};

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Frequently Asked Questions

What does for-in-statement-type-inference.js do?
for-in-statement-type-inference.js is a source file in the react codebase, written in javascript. It belongs to the TestingUtilities domain, Fixtures subdomain.
What functions are defined in for-in-statement-type-inference.js?
for-in-statement-type-inference.js defines 1 function(s): Component.
Where is for-in-statement-type-inference.js in the architecture?
for-in-statement-type-inference.js is located at compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/for-in-statement-type-inference.js (domain: TestingUtilities, subdomain: Fixtures, directory: compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler).

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