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assertExhaustive() — react Function Reference

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

Function typescript BabelCompiler Validation called by 74

Entity Profile

Dependency Diagram

graph TD
  d7fde76c_4fd9_feb3_299b_798689f05bc6["assertExhaustive()"]
  eb9d33f9_42c1_205c_93e6_8e1365a31839["utils.ts"]
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  1e86a202_a347_7857_88d3_50b0dc42a045 -->|calls| d7fde76c_4fd9_feb3_299b_798689f05bc6
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  d31deb45_fb36_194b_4bb5_e81a98b6c9bd -->|calls| d7fde76c_4fd9_feb3_299b_798689f05bc6
  d530521b_d20e_08a8_4bec_1170867678c4["mapType()"]
  d530521b_d20e_08a8_4bec_1170867678c4 -->|calls| d7fde76c_4fd9_feb3_299b_798689f05bc6
  32d9a46d_2c9f_4d15_f8fb_432c549e02fa["diff()"]
  32d9a46d_2c9f_4d15_f8fb_432c549e02fa -->|calls| d7fde76c_4fd9_feb3_299b_798689f05bc6
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  c0b647d9_982f_2dc6_de63_c350aa5665d4 -->|calls| d7fde76c_4fd9_feb3_299b_798689f05bc6
  38999144_d544_edc0_6efe_18d9bf834ada["printType()"]
  38999144_d544_edc0_6efe_18d9bf834ada -->|calls| d7fde76c_4fd9_feb3_299b_798689f05bc6
  c01b12bd_811d_9f90_f641_fac8e518dbb7["lowerStatement()"]
  c01b12bd_811d_9f90_f641_fac8e518dbb7 -->|calls| d7fde76c_4fd9_feb3_299b_798689f05bc6
  style d7fde76c_4fd9_feb3_299b_798689f05bc6 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

compiler/packages/babel-plugin-react-compiler/src/Utils/utils.ts lines 29–31

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

Domain

Subdomains

Defined In

Called By

Source

Frequently Asked Questions

What does assertExhaustive() do?
assertExhaustive() is a function in the react codebase, defined in compiler/packages/babel-plugin-react-compiler/src/Utils/utils.ts.
Where is assertExhaustive() defined?
assertExhaustive() is defined in compiler/packages/babel-plugin-react-compiler/src/Utils/utils.ts at line 29.
What calls assertExhaustive()?
assertExhaustive() is called by 74 function(s): applyEffect, codegenBlockNoReset, codegenInstructionNullable, codegenInstructionValue, codegenJsxAttribute, codegenLValue, codegenTerminal, codegenValue, and 66 more.

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