Stuck on an issue?

Lightrun Answers was designed to reduce the constant googling that comes with debugging 3rd party libraries. It collects links to all the places you might be looking at while hunting down a tough bug.

And, if you’re still stuck at the end, we’re happy to hop on a call to see how we can help out.

Rule suggestion: Create an option for allow-short-circuit-evaluation

See original GitHub issue

Please see the comments below by jwarkentin about creating an allow-short-circuit-evaluation option.

Please see https://github.com/eslint/eslint/issues/2684#issuecomment-110255859

We would like to differentiate no-op statements against unused statements. The no-useless-expressions rule would be a subset of the no-unused-expressions rule, and would error on things like:

a;
a + b;
"Hello World!";

Issue Analytics

State:
Created 8 years ago
Comments:19 (14 by maintainers)

Top GitHub Comments

1reaction

mathieumgcommented, Jun 9, 2015

👍

0reactions

ev0rtexcommented, Aug 25, 2015

@gyandeeps, @nzakas: Let me know if anything further is needed for my PR. I tried to be pretty exhaustive on the rule tests and documentation so that it’s clear what the new options allow and disallow.

Top Results From Across the Web

Short-circuit evaluation - Wikipedia

Short -circuit evaluation, minimal evaluation, or McCarthy evaluation (after John McCarthy) is the semantics of some Boolean operators in some programming ...

Short-Circuit Evaluation - Courses

A short-circuit evaluation of an expression is one in which the result is determined without evaluating all of the operands and/or operators.

Short-circuit evaluation in Programming - GeeksforGeeks

Short -Circuit Evaluation: Short-circuiting is a programming concept in which the compiler skips the execution or evaluation of some ...

JavaScript: Short Circuit Evaluation... - ServiceNow Community

To obey the special short circuit evaluation rule, that means the second and third sub-expressions will not be evaluated — and that's a...

Short circuit evaluation, is it bad practice?

The technical term is short-circuit evaluation. This is a well-known implementation technique, and where the language standard guarantees it, relying on it is...