iframe-proxy | Sunbelt Computer Software

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 * @name Inconsistent return statements
 * @description A function should either always return an explicit value, or never return a value.
 * @kind problem
 * @problem.severity recommendation
 * @id js/mixed-returns
 * @tags quality
 *       reliability
 *       correctness
 *       readability
 * @precision medium
import javascript
from Function f, ReturnStmt explicit, ReturnStmt implicit
  explicit.getContainer() = f and
  implicit.getContainer() = f and
  exists(explicit.getExpr()) and
  not exists(implicit.getExpr())
select implicit,
  "This return statement implicitly returns 'undefined', whereas $@ returns an explicit value.",
  explicit, "another return statement in the same function"

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