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23 lines
684 B
Plaintext
23 lines
684 B
Plaintext
/**
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* @name Multiple arguments to `Set` constructor
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* @description The `Set` constructor ignores all but the first argument, so passing multiple
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* arguments may indicate a mistake.
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* @kind problem
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* @problem.severity warning
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* @precision high
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* @id js/multiple-arguments-to-set-constructor
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* @tags correctness
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*/
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import javascript
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from DataFlow::NewNode newSet, DataFlow::Node ignoredArg
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where
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newSet = DataFlow::globalVarRef("Set").getAnInstantiation() and
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(
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ignoredArg = newSet.getArgument(any(int n | n > 0))
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or
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ignoredArg = newSet.getASpreadArgument()
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)
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select ignoredArg, "All but the first argument to the Set constructor are ignored."
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