JSPM

A dependency-free collection of useful functions for applications in TypeScript. (Actually, you need some peer libraries if you use some of the functions). Written in Typescript.

A collection of more than 60 often used utility JS functions that simplify frontend development.

A collection of utility functions for transforming string cases in various formats.

a collection of functions for working with Uint8Array representations of strings

Matches strings against configurable strings, globs, regular expressions, and/or functions

a few common utility template tags for ES2015

create xml with functions and strings

Basic string helper functions

String manipulation extensions for Underscore.js javascript library.

useful functions for manipulating string

Lightweight utility functions for every day JavaScript tasks

str.scss - set of functions that helps to manipulate strings.

A library for array functions in Array.prototype

Some string functions in programming

A simple interface to pair a sting with built-in search functions

A collection of common string functions {web}.

A comprehensive collection of TypeScript/JavaScript utility functions for common programming tasks. Includes validation, object manipulation, date handling, string formatting, and more. Zero dependencies, fully typed, and optimized for performance.

Utility functions for analyzing strings by Unicode block

A package that add functions for random.

String encoding utilitlies extracted from TweetNaCl.js

ANSI escape codes for styling strings in the terminal

Provide some useful functions for strings

Strip ANSI escape codes from a string

Terminal string styling done right

Here are some handy tagged template functions to make your ES6 template literals work better!

Regular expression for matching ANSI escape codes

A collection of helpful utility functions for common JavaScript development and browser DOM manipulation tasks

Get the visual width of a string - the number of columns required to display it

The ultimate JavaScript string library

Escape RegExp special characters

A collection of functions for frontend development

This project is ment to be used with Microsoft Azure Functions. This simple wrapper makes it easier to work with Azure Functions since common HTTP methods are wrapped to individual function calls within a specfic Azure Function. And in addition a function

Wordwrap a string with ANSI escape codes

This is a runtime library for [TypeScript](https://www.typescriptlang.org/) that contains all of the TypeScript helper functions.

Easily apply other module's string transform functions to stdio and text files.

Get the native type of a value.

Check if the character represented by a given Unicode code point is fullwidth

The string_decoder module from Node core

Strip UTF-8 byte order mark (BOM) from a string

Parse JSON with more helpful errors

Convert a dash/dot/underscore/space separated string to camelCase or PascalCase: `foo-bar` → `fooBar`

Get a stream as a string, Buffer, ArrayBuffer or array

Given some data, jsesc returns the shortest possible stringified & ASCII-safe representation of that data.

Extensible string utility for converting, identifying and flipping string case

Modify strings, generate sourcemaps

ANSI escape codes for manipulating the terminal

Returns `true` if the given string looks like a glob pattern or an extglob pattern. This makes it easy to create code that only uses external modules like node-glob when necessary, resulting in much faster code execution and initialization time, and a bet

Returns true if a string has an extglob.

String utility functions

Compare strings containing a mix of letters and numbers in the way a human being would in sort order.

Strip the final newline character from a string or Uint8Array

ECMAScript “ToPrimitive” algorithm. Provides ES5 and ES2015 versions.

This is a runtime library for [TypeScript](https://www.typescriptlang.org/) that contains all of the TypeScript helper functions.

Slice a string with ANSI escape codes

Efficient implementation of Levenshtein algorithm with locale-specific collator support.

A collection of common string functions.

Indent each line in a string

Convert a camelized string into a lowercased one with a custom separator: unicornRainbow → unicorn_rainbow

Fuzzy string matching algorithms and utilities, port of the TheFuzz Python library.

Measure the difference between two strings using the Levenshtein distance algorithm

Is this value a JS String object or primitive? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

ES5 spec-compliant shim for String.prototype.trim

Parse String to Number based on configuration

Standalone version of lodash string trim functions

String Comparison Functions

Get the real length of a string - by correctly counting astral symbols and ignoring ansi escape codes

A robust HTML entities encoder/decoder with full Unicode support.

A Node.js module offering various string manipulation functions for capitalization, initial capitalization of words, and specific casing of text.

A collection of utility functions to manipulate string in javascript and typescript

Querystringify - Small, simple but powerful query string parser.

Utility Functions for all Development Purpose

Easily add ANSI colors to your text and symbols in the terminal. A faster drop-in replacement for chalk, kleur and turbocolor (without the dependencies and rendering bugs).

Truncate a string to a specific width in the terminal

Strip leading whitespace from each line in a string

A JavaScript library for escaping CSS strings and identifiers while generating the shortest possible ASCII-only output.

Normalize a URL

Compile regular expressions' unicodeSets (v) flag.

Strip redundant indentation and indent the string

Generate a unique random string

Small footprint URL parser that works seamlessly across Node.js and browser environments

A robust & optimized `String.prototype.repeat` polyfill, based on the ECMAScript 6 specification.

Generate a cryptographically strong random string

Returns true if a value exists, false if empty. Works with deeply nested values using object paths.

Get the shortest leading whitespace from lines in a string

Robustly get an object's own property keys (strings and symbols), including non-enumerables when possible

Detect the indentation of code

A robust polyfill for the `CSS.escape` utility method as defined in CSSOM.

Trim newlines from the start and/or end of a string

Repeat the given string n times. Fastest implementation for repeating a string.

Get the visual width of the widest line in a string - the number of columns required to display it

Determine the East Asian Width of a Unicode character

Check if a string has ANSI escape codes

Fastest Levenshtein distance implementation in JS.

A robust & optimized `String.prototype.includes` polyfill, based on the ECMAScript 6 specification.

mdast utility to get the plain text content of a node

Wildcard matching tools

Parse regular expressions' unicodeSets (v) flag.

LZ-based compression algorithm

Check if a character is decimal

Convert object keys to camel case

Parse and stringify URL query strings

Check if a character is hexadecimal

Package of optimised react components and javascript functions for developers ♫♪

Compute ripemd160 of bytes or strings.

Get the gzipped size of a string or buffer

Check if a character is alphanumerical

CommonJS version - The smallest and fastest command-line coloring package on the internet

Math and string formula parser.

Easy way to split a string on a given character unless it's quoted or escaped.

Helper functions for handling Regular Expressions and parsing user input as Regular Expressions

Check if a character is alphabetical

Convert milliseconds to a human readable string: `1337000000` → `15d 11h 23m 20s`

Convert a string to pascal case (upper camelcase).

Convert object keys from camel case

micromark utility to decode markdown strings

Create an array by repeating the given value n times.

Formatting Date objects as strings since 2013

A module that parses a string as regular expression and returns the parsed value.

Split a string on the first occurance of a given separator

Get the system locale

Compare strings containing a mix of letters and numbers in the way a human being would in sort order.

Zero-dependency minimal package (two functions) to provide better-readable (albeit more verbose) wrapper over JS default `Array.sort()`. Fully typed.

provides functions for comparing and calculating the similarity between two strings using various methods.

Zero-dependency minimal package (two functions) to provide better-readable (albeit more verbose) wrapper over JS default `Array.sort()`. Fully typed.

Hashing made simple. Get the hash of a buffer/string/stream/file.

Isomorphic, functional type-checking for Javascript

Convert a string index to its line and column position

Mapping between standard locale identifiers and Windows locale identifiers (LCID)

A Node.js library offering functions to check variable types, including arrays, objects, strings, numbers, booleans, and undefined values.

Simple micro templating

Convert a string to a valid safe filename

Remove wrapping quotes from a string.

Compare alphanumeric strings the same way a human would, using a natural order algorithm

The most efficient JS implementation calculating the Levenshtein distance, i.e. the difference between two strings.

Repeat a string - fast

Useful utilities for working with Uint8Array (and Buffer)

Functional errors with formatted output

Convert a value to a ReadableStream

ES2017 spec-compliant String.prototype.padEnd shim.

Returns `true` if the value is a primitive.

Trim a consecutively repeated substring: foo--bar---baz → foo-bar-baz

Terminal string styling with tagged template literals

The smallest and fastest command-line coloring package on the internet

Functions for working with query strings.

Remove the trailing spaces from a string.

Convert a string/promise/array/iterable/asynciterable/buffer/typedarray/arraybuffer/object into a stream

Strip a substring from the start/end of a string

Simple wildcard matching

Capitalize every word in a string: `unicorn cake` → `Unicorn Cake`

A utility library with math and string functions supporting both ESM and CommonJS

Stringify Object as tree structure

hast utility to get the plain-text value of a node

The color gray, in ansi.

Escape strings for use as JavaScript string literals

Check if a string is a URL

Japanese Character Optimizer.

Iterate any iterable JS value. Works robustly in all environments, all versions.

Serializes any DOM node into a String

Pluralize a word

Returns true if a windows file path has invalid characters.

Lightweight and performant natural sorting of arrays and collections by differentiating between unicode characters, numbers, dates, etc.

Remove leading indentation from ES6 template literals.

Strip a byte order mark (BOM) from a string.

fast string hashing function

A simple string template function based on named or indexed arguments

Newline character converter

Get the line and column number of a specific character in a string

Stringify is to `eval` as `JSON.stringify` is to `JSON.parse`

string contains methods that aren't included in the vanilla JavaScript string such as escaping html, decoding html entities, stripping tags, etc.

A string manipulation toolbox, featuring a string formatter (inspired by sprintf), a variable inspector (output featuring ANSI colors and HTML) and various escape functions (shell argument, regexp, html, etc).

Check if a character is a whitespace character

A comprehensive TypeScript utility library providing helper functions for arrays, objects, strings, and more

Parse JavaScript one character at a time to look for snippets in Templates. This is not a validator, it's just designed to allow you to have sections of JavaScript delimited by brackets robustly.

Native JS murmur hash implementation

Elegant spinner for interactive CLI apps

Check if a string is SVG

Stringifies function's parameters definition

Check if a character is a word character

Regular expression for matching HTML comments

hast utility to get the plain-text value of a node according to the `innerText` algorithm

A hub of numerous functions.

Reduce function calls in a string, using a callback

A TypeScript utility library with functions for string manipulation and mathematical operations

Find multiple RegExp matches in a string

A comprehensive TypeScript utility library with 250+ functions across 7 categories

Beautiful color gradients in terminal output

Opinionated HTML formatter focused towards making HTML diffs readable.

DOMParser.parseFromString for XML with IE8 fallback

A robust & optimized `String.fromCodePoint` polyfill, based on the ECMAScript 6 specification.

Pure-JS printf

Jest snapshot serializer that beautifies HTML.

Returns true if a file path does not contain any invalid characters.

Remove any existing casing from a string.

Right pad a string with zeros or a specified string. Fastest implementation.

sprintf parser and basic formatter

ES2019 spec-compliant String.prototype.trimLeft shim.

Convert Unicode characters to Latin characters using transliteration

functions for validation

Slugify a string

The color cyan, in ansi.

A module that formats a string based on a pattern

asr2js and js2asr converter android string resource utils

ES2017 spec-compliant String.prototype.padStart shim.

Check if a string is an IP address

ES2019 spec-compliant String.prototype.trimLeft shim.

remove diacritics from strings

The color red, in ansi.

Utility functions to convert strings to camelCase, snake_case, and kebab-case.

Collection of utility functions and helpers, designed to speed up development across SalesPark projects. Includes common helpers, reusable patterns, and extended functions.

Returns true if the value passed is all whitespace.

Returns `true` if an array has a glob pattern.

Convert a string to space case.

nlcst utility to transform a tree to a string

Various helper utilities for working with buffers and binary data

sprintf formatting targetted for CLI

Convert HTML entities to HTML characters, e.g. `>` converts to `>`.

Math and string formula parser.

String formatting inspired by Python's str.format()

🦅 cli syntax highlighting: any function - any object - 176 languages

Check if a string only contains alphanumeric characters

[](https://www.npmjs.com/package/levenary) [](https://github.com/tanhauhau/levenary/actions)

Serialises error object to normal object

A robust & optimized `String.prototype.codePointAt` polyfill, based on the ECMAScript 6 specification.

Convert efficiently index to/from line-column in a string

Similar to String#trim() but removes only newlines

Lightweight format utility for the browser, based on util.format().

Write data to a random temporary file

Convert a string to camel case.

Unicode character information library.

Zero-dependency unicode-aware string tools

strings comparison matchers for chai

Get a pretty output of the original, minified, gzipped size of a string or buffer: 130 B → 91 B → 53 B (gzip)

Check if a string is HTML

Replace search occurrences with a replacement string.

Convert a string to its numerical value (float or integer)

Returns true if the given number is odd, and is an integer that does not exceed the JavaScript MAXIMUM_SAFE_INTEGER.

parses number and unit, '20px' into [20, 'px']

Test if a value is a regular expression string.

Convert between POSIX and Windows paths.

Convert HTML/XML source code or DOM nodes to React elements

Test if a value is a string.

Get the length of unicode strings

Insert supplied variable values into a format string.

Escape a regular expression string or pattern.

Library of miscellaneous formatting and helper functions

Iterator over lines in a string

Consume a stream of data into a binary Buffer as efficiently as possible

Create a regular expression from a regular expression string.

Base64 and base64url to string or arraybuffer, and back. Node, Deno or browser.

Escape a string for use in AppleScript