43 lines
1.1 KiB
Plaintext
43 lines
1.1 KiB
Plaintext
A chain of ``++if++``/``++else if++`` statements is evaluated from top to bottom. At most, only one branch will be executed: the first one with a condition that evaluates to ``++true++``.
|
||
|
||
|
||
Therefore, duplicating a condition automatically leads to dead code. Usually, this is due to a copy/paste error. At best, it's simply dead code and at worst, it's a bug that is likely to induce further bugs as the code is maintained, and obviously it could lead to unexpected behavior.
|
||
|
||
|
||
|
||
|
||
|
||
_Note that this rule requires Node.js to be available during analysis._
|
||
|
||
== Noncompliant Code Example
|
||
|
||
----
|
||
if (param == 1)
|
||
openWindow();
|
||
else if (param == 2)
|
||
closeWindow();
|
||
else if (param == 1) // Noncompliant
|
||
moveWindowToTheBackground();
|
||
----
|
||
|
||
== Compliant Solution
|
||
|
||
----
|
||
if (param == 1)
|
||
openWindow();
|
||
else if (param == 2)
|
||
closeWindow();
|
||
else if (param == 3)
|
||
moveWindowToTheBackground();
|
||
----
|
||
|
||
include::../see.adoc[]
|
||
|
||
ifdef::env-github,rspecator-view[]
|
||
'''
|
||
== Comments And Links
|
||
(visible only on this page)
|
||
|
||
include::../comments-and-links.adoc[]
|
||
endif::env-github,rspecator-view[]
|