generateVoidTypeCheck()

generateVoidTypeCheck(varName, ctx, customMessage?): CodeGenResult

Experimental

Generates the type check code for a void type. Void type only accepts undefined.

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Parameters

varName: string

The variable name to check

ctx: GeneratorContext

The generator context

customMessage?: string

Optional custom error message

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Returns: CodeGenResult

Generated code and updated context

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Since

2.0.0

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Example

const result = generateVoidTypeCheck("value", ctx);
// result.code = 'if (value !== undefined) return "Expected void (undefined)";'