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24 lines
620 B
Plaintext
24 lines
620 B
Plaintext
/**
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* @name Expression has no effect
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* @description An expression that has no effect and is used in a void context is most
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* likely redundant and may indicate a bug.
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* @kind problem
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* @problem.severity warning
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* @id js/useless-expression
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* @tags quality
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* maintainability
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* correctness
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* external/cwe/cwe-480
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* external/cwe/cwe-561
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* useless-code
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* @precision very-high
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*/
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import javascript
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import Expressions.ExprHasNoEffect
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import semmle.javascript.RestrictedLocations
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from Expr e
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where hasNoEffect(e)
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select e.(FirstLineOf), "This expression has no effect."
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