strkit

strkit is a utility library that provides a collection of commonly used string functions in JavaScript/TypeScript. Whether you need to validate emails, convert case styles, trim spaces, or manipulate strings in other ways, strkit has got you covered. The goal of this library is to make string handling easier and more efficient across all your projects.

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Features

• String Validation: Functions like isEmail and isURL to validate strings.
• String Manipulation: Functions for trimming, reversing, truncating, and more.
• Case Conversion: Convert strings between different case styles.
• Easy to Use: Just import the required function and get started.

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Installation

You can install strkit as an NPM package:

npm install @azizbecha/strkit

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Usage

CommonJS

const { isEmail, truncate } = require("@azizbecha/strkit");

console.log(isEmail("[email protected]")); // true
console.log(truncate("This is a very long string", 10)); // 'This is a...'

ES6

import { isEmail, truncate } from "@azizbecha/strkit";

console.log(isEmail("[email protected]")); // true
console.log(truncate("This is a very long string", 10)); // 'This is a...'

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Functions

Function	Description	Example Usage	Type Signature
capitalize	Capitalizes the first letter of a string.	capitalize('hello') // 'Hello'	(str: string) => string
compareVersion	Compares two versions Returns 0 if equal, 1 if v1 > v2, or -1 if v2 > v1.	compareVersion('1.2.0', '1.3.0') // -1	(v1: string, v2: string) => number
countWordsMatching	Counts the words in a string matching a specific pattern.	countWordsMatching('hello world', /o/) // 2	(str: string, pattern: RegExp) => number
decodeURL	Decodes a URL-encoded string.	decodeURL('hello%20world') // 'hello world'	(str: string) => string
diffStrings	Compares two strings and returns an array of differences.	diffStrings('hello world', 'hello there'); // [{ type: 'equal', value: 'hello ' }, { type: 'removed', value: 'world' }, { type: 'added', value: 'there' }]	(str1: string, str2: string) => [{type, value}}]
encodeURL	Encodes a string into a URL-safe format.	encodeURL('hello world') // 'hello%20world'	(str: string) => string
endsWith	Checks if a string ends with a given suffix.	endsWith('hello', 'lo') // true	(str: string, suffix: string) => boolean
extractHashtags	Extracts all hashtags from a string.	extractHashtags('#hello #world') // ['#hello', '#world']	(str: string) => string[]
extractMentions	Extracts all mentions (e.g., @username) from a string.	extractMentions('@user @test') // ['@user', '@test']	(str: string) => string[]
formatNumber	Formats numbers into abbreviated form (e.g., 1.2k).	formatNumber(1200) // '1.2k'	(num: number, digits?: number) => string
generateId	Generates a random alphanumeric ID.	generateId() // 'abc123xyz'	(length = 15: number) => string
invertCase	Inverts the case of each character in a string.	invertCase('Hello') // 'hELLO'	(str: string) => string
isAnagram	Checks if two strings are anagrams.	isAnagram('listen', 'silent') // true	(str1: string, str2: string) => boolean
isBoolean	Checks if a value is a boolean-like (e.g., true, "yes", 1).	isBoolean('yes') // true	(value: number) => boolean
isBtcAddress	Checks if a string is a valid Bitcoin address.	isBtcAddress('1A1zP...DivfNa') // true	(str: string) => boolean
isCreditCard	Checks if a string is a valid credit card number.	isCreditCard('4111...1111') // true	(str: string) => boolean
isEmail	Checks if a string is a valid email address.	isEmail('[email protected]') // true	(email: string) => boolean
isEmoji	Checks if a string contains emojis.	isEmoji('😊') // true	(str: string) => boolean
isIPv4Address	Checks if a string is a valid IPv4 address.	isIPv4Address('192.168.0.1') // true	(str: string) => boolean
isIPv6Address	Checks if a string is a valid IPv6 address.	isIPv6Address('::1') // true	(str: string) => boolean
isJSON	Checks if a string is valid JSON.	isJSON('{"key": 42}') // true	(str: string) => boolean
isJWT	Checks if a string is a valid JSON Web Token (JWT).	isJWT('eyJhbGci...') // true	(str: string) => boolean
isPalindrome	Checks if a string is a palindrome.	isPalindrome('racecar') // true	(str: string) => boolean
isURL	Checks if a string is a valid URL.	isURL('https://example.com'); // true	(str: string) => boolean
maskEmail	Masks an email address for privacy by replacing part of the email with asterisks..	maskEmail('[email protected]'); // "t***@example.com"	(str: string) => string
readingTime	Estimates reading time for a given string.	readingTime('Lorem ipsum...') // '1 min'	(str: string, wpm = 200: number) => string
removeSpaces	Removes all spaces from a string.	removeSpaces('hello world') // 'helloworld'	(str: string) => string
reverse	Reverses the characters in a given string.	reverse('hello') // 'olleh'	(str: string) => string
startsWith	Checks if a string starts with a given prefix.	startsWith('hello', 'he') // true	(str: string, prefix: string) => boolean
truncate	Truncates a string to a specific length, appending ellipses if needed.	truncate('hello world', 5) // 'hello...'	(str: string, maxLength?: number) => string
truncateMiddle	Truncates the middle of a string to fit within a length, adding ellipses.	truncateMiddle('abcdef', 4) // 'a...f'	(str: string, maxLength: number) => string
toCamelCase	Converts a string to camel case.	toCamelCase('hello_world') // 'helloWorld'	(str: string) => string
toOrdinal	Converts a number to its ordinal form.	toOrdinal(1) // '1st'	(num: number) => string
clamp	Clamps a number between a minimum and maximum value.	clamp(15, 0, 10); // 10	(value: number, min: number, max: number) => number
getDistanceBetweenPoints	Calculates the distance between two points in a 2D plane.	getDistanceBetweenPoints({ lon: 0, lat: 0 }, { lon: 3, lat: 4 }) // 5	({ lon: number, lat: number }, { lon: number, lat: number }) => number
toDegrees	Converts radians to degrees.	toDegrees(Math.PI) // 180	(radians: number) => number
toRadians	Converts degrees to radians.	toRadians(180) // Math.PI	(degrees: number) => number
roundTo	Rounds a number to a specified number of decimal places.	roundTo(1.2345, 2) // 1.23	(num: number, decimalPlaces: number) => number
randomBetween	Generates a random number between a minimum and maximum value.	randomBetween(1, 10) // 7	(min: number, max: number) => number
startsWith	Checks if a string starts with a given prefix.	startsWith('hello', 'he') // true	(str: string, prefix: string) => boolean
endsWith	Checks if a string ends with a given suffix.	endsWith('hello', 'lo') // true	(str: string, suffix: string) => boolean

Development

If you'd like to contribute or modify the library, you can clone the repository and run the following commands to build the project:

1. Clone the repository

git clone https://github.com/azizbecha/strkit

2. Install dependencies

npm install

3. Build the project

npm run build

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License

This project is licensed under the MIT License - see the LICENSE file for details.

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Contributing

Feel free to fork the repository, create an issue, or submit a pull request to contribute improvements or new features.

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Acknowledgments

• Thanks to all contributors who make this library possible!

Aziz Becha.