Unraveling the Mystery of is.camelCase with 'thiis': Your Guide to JavaScript Naming Conventions
Tags: javascript, programming, beginners, coding
Published: 2023-11-26 19:02:43

JavaScript is a language of endless possibilities, and one aspect that adds charm to your code is the art of naming variables. One popular convention is camelCase, where words are joined together, starting with a lowercase letter and subsequent words capitalized. But how can you ensure that a string follows this elegant camelCase pattern? Enter the `is.camelCase` method from the 'thiis' package! In this article, we'll embark on a delightful journey to understand this method and its partner, `is.not_camelCase`, through six friendly examples.

## Understanding the Elegance of CamelCase in JavaScript


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/ogrnu0vqp75wwitcz3i5.jpeg)

Before we dive into the world of `is.camelCase`, let's take a moment to appreciate the elegance of camelCase in JavaScript. It's not just a naming convention; it's a style that makes your code more readable and aesthetically pleasing.

## Meet `is.camelCase` - Your CamelCase Validator
[Documentation link](https://karbashevskyi.github.io/thiis/docs/API/String/is.camelCase)

Imagine you're navigating through your code, and you want to make sure that a string adheres to the camelCase convention. That's where the `is.camelCase` method comes to your rescue:

```javascript
import { is } from 'thiis'; // Import the "is" object from the "thiis" package

const myString = 'helloWorld';
const result = is.camelCase(myString);

console.log(result); // true
```

In this example, we import the "is" object from the "thiis" package and use the `is.camelCase` method to confirm that `myString` follows the camelCase convention. As expected, it returns `true`.

## The Journey of Examples

Now, let's embark on a journey through various examples that showcase the magic of `is.camelCase` and its companion, `is.not_camelCase`.

### 1. **Checking Variable Names**

The primary use of `is.camelCase` is to check if a variable name follows the camelCase convention. This ensures your codebase maintains a consistent and clean style:

```javascript
import { is } from 'thiis';

const variableName = 'myAwesomeVariable';
const isCamelCase = is.camelCase(variableName);

if (isCamelCase) {
  // Your variable name is a piece of camelCase beauty!
} else {
  // Consider giving it a camelCase makeover.
}
```

### 2. **Guarding Function Names**

Function names are another playground for camelCase. Use `is.not_camelCase` to ensure that a function name doesn't break the camelCase pattern:

```javascript
import { is } from 'thiis';

const functionName = 'myFunctionName';
const isValidFunctionName = is.not_camelCase(functionName);

if (isValidFunctionName) {
  // Your function name is a camelCase superstar!
} else {
  // Think about embracing the camelCase style.
}
```

### 3. **Validating User Input**

Let's say you're receiving input from users, and you want to validate that their chosen username follows the camelCase convention:

```javascript
import { is } from 'thiis';

function validateUsername(username) {
  if (is.camelCase(username)) {
    return 'Username validated successfully!';
  } else {
    return 'Please choose a username in camelCase.';
  }
}
```

### 4. **Conditional Styling in CSS**

Even in the world of stylesheets, camelCase plays a role. Use `is.camelCase` to ensure that your CSS class names adhere to the camelCase pattern:

```javascript
import { is } from 'thiis';

const className = 'myStyledComponent';
const isCamelCased = is.camelCase(className);

if (isCamelCased) {
  // Your styling is following the camelCase tradition!
} else {
  // Time for a little CSS camelCase makeover.
}
```

### 5. **Stream of Style with `is.camelCase`**

Let's dive into a scenario involving `stream$` from RxJS. Using `filter` and `is.camelCase`, we can ensure that the stream processes only strings that follow the camelCase convention:

```javascript
import { is } from 'thiis';
import { from } from 'rxjs';
import { filter } from 'rxjs/operators';

const stream$ = from(['camelCaseString', 'NotCamelCase', 'anotherCamelCase']);

stream$
  .pipe(
    filter(is.camelCase)
  )
  .subscribe(value => {
    console.log(value); // Only camelCase strings will be part of the stream's story.
  });
```

In this example, the `filter(is.camelCase)` ensures that only camelCase strings get processed by the stream.

### 6. **Array Exploration with `is.not_camelCase`**

Arrays are yet another realm for camelCase exploration. You can use `every()` to confirm that all elements are not camelCase and `some()` to check if at least one is:

```javascript
import { is } from 'thiis';

const notCamelCaseArray = ['nonCamelCase', 'NONCAMELCASE', 'AnotherString'];
const mixedArray = ['camelCaseString', 'NotCamelCase', 'AnotherString'];

const allElementsNotCamelCase = notCamelCaseArray.every(is.not_camelCase); // true
const someElementsNotCamelCase = mixedArray.some(is.not_camelCase); // true

console.log(allElementsNotCamelCase);
console.log(someElementsNotCamelCase);
```

Here, `allElementsNotCamelCase` checks if all elements in `notCamelCaseArray` are not camelCase, and `someElementsNotCamelCase` checks if at least one element in `mixedArray` is not camelCase.

## The Adventure Continues

The `is.camelCase` and `is.not_camelCase` methods from the 'thiis' package are your reliable guides on your JavaScript adventure. They make checking naming conventions a breeze, ensuring your code follows the camelCase pattern. By adding the 'thiis' package to your JavaScript toolkit and exploring

 its documentation for more tips and examples, you can navigate the world of JavaScript with style and a touch of fun.

So, keep coding with style, and remember that the journey of JavaScript is full of exciting discoveries! 

> 🎗 ChatGPT & DALL·E 3