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.
Parametersβ
_varName: stringβ
The variable name (unused, never always fails)
ctx: GeneratorContextβ
The generator context
customMessage?: stringβ
Optional custom error message
Returns: CodeGenResultβ
Generated code and updated context
Sinceβ
2.0.0
Exampleβ
const result = generateNeverTypeCheck("value", ctx);
// result.code = 'return "No value can satisfy never type";'