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assertExhaustive() — react Function Reference

Architecture documentation for the assertExhaustive() function in assertExhaustive.ts from the react codebase.

Function typescript BabelCompiler Validation

Entity Profile

Dependency Diagram

graph TD
  6bf4d478_86ca_9959_04db_aae459f1dc87["assertExhaustive()"]
  c7a71b6d_e29d_8850_39e1_92461a363a63["assertExhaustive.ts"]
  6bf4d478_86ca_9959_04db_aae459f1dc87 -->|defined in| c7a71b6d_e29d_8850_39e1_92461a363a63
  style 6bf4d478_86ca_9959_04db_aae459f1dc87 fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

compiler/packages/react-mcp-server/src/utils/assertExhaustive.ts lines 11–13

export default function assertExhaustive(_: never, errorMsg: string): never {
  throw new Error(errorMsg);
}

Domain

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Defined In

Source

Frequently Asked Questions

What does assertExhaustive() do?
assertExhaustive() is a function in the react codebase, defined in compiler/packages/react-mcp-server/src/utils/assertExhaustive.ts.
Where is assertExhaustive() defined?
assertExhaustive() is defined in compiler/packages/react-mcp-server/src/utils/assertExhaustive.ts at line 11.

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