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generateNeverTypeCheck()

generateNeverTypeCheck(_varName, ctx, customMessage?): CodeGenResult

Experimental

Generates the type check code for a never type. Never type rejects all values - nothing can satisfy it.


Parameters​

_varName: string​

The variable name (unused, never always fails)

ctx: GeneratorContext​

The generator context

customMessage?: string​

Optional custom error message


Returns: CodeGenResult​

Generated code and updated context


Since​

2.0.0


Example​

const result = generateNeverTypeCheck("value", ctx);
// result.code = 'return "No value can satisfy never type";'