Files
codeql/javascript/ql/src/Expressions/ExprHasNoEffect.ql
Andrew Eisenberg 57ef989a89 Fixes compile errors by moving files
The two files moved in this commit are referenced from the
javascript/lib qlpack, but they are located in the
javascript/src qlpack. This causes compile errors when running
compile-ish commands for javascript queries. Moving the
files fixes it.
2021-10-05 14:00:02 -07:00

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