@herb-ert/stringkitjs NPM

🧩 Stringkit.js

A focused, zero-dependency utility library for common string manipulations in JavaScript. Clean API, no global prototype pollution, and built for real-world use.

✨ Features

A suite of clean, composable string utilities
No global prototype modifications
Safe and immutable methods
Designed for real-world use cases
Fully documented and tested

📦 Installation

npm install @herb-ert/stringkitjs

If you're using ES Modules:

import * as stringkit from '@herb-ert/stringkitjs';

Or with CommonJS:

const stringkit = require('@herb-ert/stringkitjs');

🚀 Usage

import { capitalize, kebabCase } from '@herb-ert/stringkitjs';

console.log(capitalize("hello world")); // "Hello world"
console.log(kebabCase("Hello World"));  // "hello-world"

🧠 API

Functions

Method	Description
`capitalize(string)`	Capitalizes the first character of a string.
`title(string, smart)`	Converts a string to title case. Optionally applies smart title casing to avoid capitalizing common short words.
`stripTags(string)`	Removes all HTML tags from a string.
`slugify(string)`	Converts a string into a URL-friendly slug.
`truncate(string, length)`	Truncates a string to a specific length, appending "..." if truncated.
`camelCase(string)`	Converts a string to camelCase.
`kebabCase(string)`	Converts a string to kebab-case.
`snakeCase(string)`	Converts a string to snake_case.
`trimLines(string)`	Trims whitespace from the start and end of each line in a multi-line string.
`removeExtraSpaces(string)`	Removes extra spaces from a string, reducing multiple spaces to a single space.
`isBlank(string)`	Checks whether a string is empty or contains only whitespace.
`startsWithIgnoreCase(string, prefix)`	Checks if a string starts with a given prefix, ignoring case sensitivity.
`endsWithIgnoreCase(string, suffix)`	Checks if a string ends with a given suffix, ignoring case sensitivity.
`includesIgnoreCase(string, substring)`	Checks if a string includes a given substring, ignoring case sensitivity.
`escapeRegExp(string)`	Escapes special characters in a string for use in a regular expression.
`stripAnsi(string)`	Removes ANSI escape codes from a string.
`repeatString(string, times)`	Repeats a string a specified number of times.
`commonPrefix(strings)`	Finds the longest common prefix among an array of strings.
`center(string, length, char = ' ')`	Centers a string by padding it on both sides with a specified character.
`lpad(string, length, char = ' ')`	Pads the left side of a string to a specified total length.
`rpad(string, length, char = ' ')`	Pads the right side of a string to a specified total length.
`truncateWords(string, wordCount)`	Truncates a string to a specific number of words.
`pascalCase(string)`	Converts a string to PascalCase.
`reverse(string)`	Reverses the characters in a string.
`assertString(value, name)`	Asserts that the given value is a string.

📦 More Examples

import {
  snakeCase,
  stripTags,
  title,
  startsWithIgnoreCase
} from '@herb-ert/stringkitjs';

console.log(snakeCase("Hello World"));                    // "hello_world"
console.log(stripTags("<p>Hello</p>"));                   // "Hello"
console.log(title("the big brown fox"));                  // "The Big Brown Fox"
console.log(startsWithIgnoreCase("JavaScript", "java"));  // true

🧪 Validation

All functions are pure and expect valid strings. Invalid types will throw helpful errors.

capitalize(42); // ❌ TypeError: Expected "string" to be a string, but got number

🔧 License

MIT © herb-ert

string strings string methods string utility utility javascript

1.1.0

10 months ago

1.0.1

10 months ago

1.0.0

10 months ago