Files
codeql/javascript/ql/src/LanguageFeatures/YieldInNonGenerator.ql
2020-09-04 11:52:14 +02:00

21 lines
549 B
Plaintext

/**
* @name Yield in non-generator function
* @description 'yield' should only be used in generator functions.
* @kind problem
* @problem.severity error
* @id js/yield-outside-generator
* @tags maintainability
* language-features
* external/cwe/cwe-758
* @precision very-high
*/
import javascript
from YieldExpr yield, Function f
where
f = yield.getEnclosingFunction() and
not is_generator(f)
select yield, "This yield expression is contained in $@ which is not marked as a generator.",
f.getFirstToken(), f.describe()