StringWiz

StringWiz is a powerful and easy-to-use JavaScript library for efficient string manipulation. It offers a wide range of functions to handle common string operations, making it an ideal choice for developers working on JavaScript projects that require extensive string handling.

Features

• Wide range of string manipulation functions.
• Easy integration into any JavaScript project.
• Optimized for performance.

Installation

npm install stringwiz

Usage

Here's a quick example of how to use StringWiz:

import { reverseString } from 'stringwiz';

const reversed = reverseString('Hello World');
console.log(reversed); // Outputs: dlroW olleH

API Reference

Below are some of the key functions available in StringWiz:

obfuscateEmail(email: string): string

This function obfuscates an email address for privacy (e.g., for display purposes).

obfuscateEmail('test@example.com'); // t**t@example.com

generateAcronym(str: string): string

Generates an acronym from the given string.

generateAcronym('For your information'); // 'FYI'

maskSensitiveData(str: string, visibleCount: number = 4): string

Masks all but the last specified number of characters of a string. This function is commonly used for masking sensitive data like API keys or credit card numbers.

maskSensitiveData('1234567890123456'); // '************3456'
maskSensitiveData('12345678', 3); // '*****678'
maskSensitiveData('MySecretPassword', 5); // '*********sword'

truncateMiddle(str: string, maxLength: number, separator: string = '...'): string

Truncates a string in the middle to a specified length.

truncateMiddle('Hello World', 7); // 'He...ld'

stripHtmlTags(str: string): string

Removes HTML tags from a string.

stripHtmlTags('<p>Hello World</p>'); // 'Hello World'

encodeBase64(str: string): string

Encodes a string to Base64.

encodeBase64('Hello World');
// 'SGVsbG8gV29ybGQ='

decodeBase64(str: string): string

Decodes a Base64 string.

decodeBase64('SGVsbG8gV29ybGQ=');
// 'Hello World'

formatCurrency(amount: number, currencySymbol: string = '$', decimalPlaces: number = 2): string

This function formats a numeric amount as a currency string, allowing customization for the currency symbol and the number of decimal places.

formatCurrency('1234.56'); // '$1,234.56'
formatCurrency('1234.56', '£'); // '£1,234.56'

reverseString(str: string): string

Reverses the given string.

reverseString('Hello World'); // 'dlroW olleH'

capitalizeWords(str: string): string

Capitalizes the first letter of each word in a string.

capitalizeWords('hello world'); // 'Hello World'

toConstantCase(str: string): string

Converts a string to constant case.

toConstantCase('Hello World'); // 'HELLO_WORLD'

toDotCase(str: string): string

Converts a string to dot case.

toDotCase('Hello World'); // 'hello.world'

toPascalCase(str: string): string

Converts a string to Pascal case.

toPascalCase('hello world'); // 'HelloWorld'

toSnakeCase(str: string): string

Converts a string to snake case.

toSnakeCase('Hello World'); // 'hello_world'

isPalindrome(str: string): boolean

Checks if a string is a palindrome.

isPalindrome('racecar'); // true
isPalindrome('hello'); // false

toHeaderCase(str: string): string

Converts a string to HTTP header case.

toHeaderCase('content type'); // 'Content-Type'

replaceAllOccurrences(str: string, search: string, replacement: string): string

Replaces all occurrences of a substring within a string.

replaceAllOccurrences('Hello World', 'o', 'a'); // 'Hella Warld'

countWords(str: string): number

Counts the number of words in a string.

countWords('Hello World'); // 2

snakeToCamelCase(str: string): string

Converts a string from snake_case to camelCase. It does not alter strings that are already in camelCase.

snakeToCamelCase('hello_world'); // 'helloWorld'
snakeToCamelCase('helloWorld'); // 'helloWorld'

camelToSnakeCase(str: string): string

Converts a string from camelCase to snake_case. It handles strings that are already in snake_case without further modification.

camelToSnakeCase('helloWorld'); // 'hello_world'
camelToSnakeCase('hello_world'); // 'hello_world'

extractEmails(str: string): string[]

Extracts email addresses from a string.

extractEmails('Contact us at test@example.com and admin@example.com');
// ['test@example.com', 'admin@example.com']

removeExtraSpaces(str: string): string

Removes extra spaces from a string.

removeExtraSpaces('  Hello   World  ');
// 'Hello World'

isNumeric(str: string): boolean

Checks if a string is numeric.

isNumeric('1234');
// true
isNumeric('1234a');
// false

sanitizeForURL(str: string): string

Sanitizes a string by encoding non-URL-friendly characters, making it safe for use in URLs.

sanitizeForURL('Hello World!'); // 'hello-world%21'
sanitizeForURL('  JavaScript & Web Dev @2021  '); // 'javascript-%26-web-dev-%402021'

Contributing

Contributions are always welcome! Feel free to fork the repository and submit pull requests.

Commit Guide

This project uses semantic-release for automating the versioning and release process. To comply with semantic-release, following the Conventional Commits specification for commit messages.

Committing Changes

I use commitizen to help write good commit messages. To commit your changes, please follow these steps:

1. Stage Changes: Use git add to stage changes for commit.

2. Run Commit Command: Use the npm run commit command to start the commit process. This will launch commitizen.

3. Follow Prompts: commitizen will prompt you to fill out any required commit fields.

4. Push Changes: After committing, push your changes to the repository with npm run acp.

Commit Message Format

Each commit message should follow this format: <type>(<scope>): <subject>

1. Type: This indicates the type of change you're making. Common types include:

   • feat: A new feature.
   • fix: A bug fix.
   • docs: Changes to documentation.
   • test: Adding or updating tests.
   • refactor: Code change that neither fixes a bug nor adds a feature.

2. Scope (optional): A scope may be provided to a commit’s type, to provide additional contextual information and is contained within parenthesis.

3. Subject: A brief description of the change.

Examples

• feat(Functions): add two new string functions
• docs(readme): update installation instructions

Mandatory Tests

Before committing, ensure that all tests pass. Tests are mandatory for this package to maintain code quality and stability.