TL;DR: Bad function names will lead you to defects Problems Misleading Names The least surprise principle violation Solutions Avoid ambiguous or bad names Wrap with your functions Use mature languages Context Some names in immature languages break the principle. bijection When you use them, you agree on some semantics that are not the actual behavior. Consequently, you must know accidental implementations to avoid this . defect Sample Code Wrong const pets = '😺🐶😺';
const justDogs = pets.replace('😺', '🐩');

const catsArePresent = justDogs.includes('😺');
// returns true Right const pets = '😺🐶😺';

const justDogs = pets.replaceAll('😺', '🐩');
// Or
const justDogs = pets.replace(/😺/g, '');

const catsArePresent = justDogs.includes('😺');
// returns false Detection Automatic [x] You can search and forbid the usage of in your code and define if you need to change only the first occurrence replace() replaceFirst() Tags Naming Level Beginner [x] AI Generation All generators avoided this problem. AI Detection ChatGPT and Copilot use to solve the problem. Regular Expressions Gemini and Claude failed to spot the mistake. None of them use (introduced in ) replaceAll() ES2021 Conclusion Using instead of would not fully achieve the intended result of replacing all occurrences. replace() replaceAll() It would only replace the first occurrence, potentially leading to incorrect behavior if there are multiple occurrences. Relations Code Smell 38 - Abstract Names Code Smell 41 - Regular Expression Abusers More Info What exactly is a name - Part II Rehab Disclaimer Code Smells are my . opinion Credits Photo by on Jari Hytönen Unsplash We must not blame programmers for their bugs. They belong to them only until the code is merged to the repository. After that, all bugs are ours! Yegor Bugayenko Software Engineering Great Quotes This article is part of the CodeSmell Series. How to Find the Stinky Parts of your Code

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Code Smell 247 - Javascript Function Naming

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Maximiliano Contieri

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Code Smell 247 - Javascript Function Naming

Too Long; Didn't Read

Maximiliano Contieri

STORY’S CREDIBILITY

Guide

About Author

TOPICS

THIS ARTICLE WAS FEATURED IN...

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