type-fest
A collection of essential TypeScript types
Found 10897 results for utility
A collection of essential TypeScript types
User-friendly glob matching
Higher-order functions and common patterns for asynchronous code
Utility to parse a string bytes to bytes and vice-versa
Extend an object with the properties of additional objects. node.js/javascript util.
HTTP and HTTPS modules that follow redirects.
prelude.ls is a functionally oriented utility library. It is powerful and flexible. Almost all of its functions are curried. It is written in, and is the recommended base library for, LiveScript.
ES2019 spec-compliant String.prototype.trimStart shim.
Escape string for use in HTML
ES2019 spec-compliant String.prototype.trimEnd shim.
Bindings for the Watchman file watching service
CLI app helper
Utility for normalizing a numeric range, with a wrapping function useful for polar coordinates
Type check values
Returns true if any values exist, false if empty. Works for booleans, functions, numbers, strings, nulls, objects and arrays.
Lazy-evaluating list of files, based on globs or regex patterns
A simple utility for conditionally joining classNames together
unist utility to recursively walk over nodes, with ancestral information
unist utility to visit nodes
unist utility to serialize a node, position, or point as a human readable location
unist utility to check if a node passes a test
vfile utility to create a virtual message
mdast utility to get the plain text content of a node
micromark utility with symbols
micromark utility to handle character codes
A small utility for creating warnings and emitting them.
micromark utility with a couple of typescript types
mdast utility to parse markdown
micromark utility to resolve subtokens
Combines a list of arrays, returning a single array with unique values, using strict equality for comparisons.
micromark utility to decode markdown strings
micromark utility to encode dangerous html characters
micromark utility to splice and push with giant arrays
micromark utility to sanitize urls
micromark utility to decode numeric character references
mdast utility to serialize markdown
micromark utility to tokenize subtokens
micromark utility with list of html tag names
micromark utility to classify whether a character is whitespace or punctuation
micromark utility normalize identifiers (as found in references, definitions)
micromark utility to combine syntax or html extensions
mdast utility to transform to hast
hast utility to check if a node is inter-element whitespace
unist utility to get the position of a node
mdast utility to check if a node is phrasing content
hast utility to create trees
hast utility to create an element from a simple CSS selector
mdast utility to find and replace text in a tree
mdast extension to parse and serialize GFM autolink literals
mdast extension to parse and serialize GFM strikethrough
Escape a string for use in HTML or the inverse
mdast extension to parse and serialize GFM tables
mdast extension to parse and serialize GFM task list items
mdast extension to parse and serialize GFM (GitHub Flavored Markdown)
Cypress's fork of a simplified HTTP request client.
mdast extension to parse and serialize MDX or MDX.js JSX
mdast utility to find definition nodes in a tree
mdast extension to parse and serialize GFM footnotes
mdast extension to parse and serialize MDX.js ESM (import/exports)
mdast extension to parse and serialize MDX (or MDX.js) expressions
vfile utility to convert between positional (line and column-based) and offset (range-based) locations
Correctly declare progressive enhancements for CSS Custom Properties.
hast utility to reparse a tree
unist utility to remove positions from a tree
hast utility to transform to preact, react, solid, svelte, vue, etc
hast utility to transform from a `parse5` AST
easy to use progress-bar for command-line/terminal applications
A fast 642B utility that makes reading multipart responses simple
hast utility to transform to a `parse5` AST
Determine an app's root path from anywhere inside the app
Utilities for watching file trees.
Utility Types Collection for TypeScript
unist utility to check if a node is generated
hast utility to check if a node is a (certain) element
hast utility to serialize to HTML
esast (and estree) utility to visit nodes
Coalesce for JavaScript. Returns the first value that is not undefined or null.
return whitelisted properties of an object
unist utility to create a new trees with a nice syntax
A small utility, used by Fastify itself, for generating consistent error objects across your codebase and plugins.
Lightweight and faster alternative to Ramda with included TS definitions
unist utility to get a position from an estree node
mdast extension to parse and serialize frontmatter (YAML, TOML, etc)
mdast extension to parse and serialize MDX (or MDX.js)
hast utility to get the plain-text value of a node
hast utility to transform to estree (JavaScript AST) JSX
Common utility functions for oas-kit
unist utility to find a node after another node
estree (and esast) utility to serialize to JavaScript
hast utility to parse from HTML
hast utility to get the plain-text value of a node according to the `innerText` algorithm
unist utility to remove nodes from a tree
A cross platform Promise.allSettled polyfill
Starts server, waits for URL, then runs test command; when the tests end, shuts down server
Type assertions aka less-broken `typeof`
Simplified HTTP request client.
hast utility to get the rank (or depth, level) of headings
function binding utility
Prototype inheritance utility
hast utility to check if a node has a property
Get the last or last n elements in an array.
nlcst utility to transform a tree to a string
Simple help and sanity checks for Node CLI bin scripts
estree (and esast) utility to parse from JavaScript
hast utility to sanitize nodes
hast utility to create a tree from the DOM
Function argument validation for humans
Get all but the last element or last n elements of an array.
esast utility to transform from estree
unist utility to modify direct children of a parent
mdast extension to parse and serialize math
unist utility to find nodes after another node
mdast utility to remove empty paragraphs from a tree
Takes a string, such as "1,2,3-10,5-8" and turns it into an array of numbers
mdast extension to parse and serialize generic directives (`:cite[smith04]`)
React utility to merge refs.
unist utility to visit direct children of a parent
Small, performant & immutable iteration utilities for Arrays and Objects
Utility data structure used in discord.js
Utilities for watching file trees.
hast utility that turns HTML into a syntax tree (while being small in browsers)
hast utility for `querySelector`, `querySelectorAll`, and `matches`
vfile utility to create a report for a file
unist utility to create a new tree with nodes that pass a filter
vfile utility to count messages per category: failures, warnings, etc
mdast utility to make a tree compact
hast utility to check if a node is an embedded element
A JavaScript library for internationalization and localization that leverages the official Unicode CLDR JSON data.
Similar to String#trim() but removes only newlines
vfile utility to sort messages by line/column
A utility library for JavaScript and Typescript.
Require Node module and immediately remove it from module cache to force loading again next time
hast utility to check if a node is phrasing content
hast utility to check if a link element is “Body OK”
Ethereum RPC and Provider errors.
vfile utility to read and write to the file system
Determine the specification defined classification of an object.
Ethereum RPC and Provider errors
unist utility to inspect nodes
Determine a value's type.
Test if a value is a Uint8Array.
Return a normal number `y` and exponent `exp` satisfying `x = y * 2^exp`.
Test if a value is a Uint16Array.
Detect native Float64Array support.
Detect native Uint16Array support.
Detect native Symbol support.
Function which does nothing.
Detect native Symbol.toStringTag support.
Test if an object has a specified property.
Define (or modify) an object property.
Platform float word order.
Check if an environment is little endian.
Escape a regular expression string or pattern.
hast utility to get the plain-text value of a node
Test if a value is a boolean.
Test if a value is a string.
Insert supplied variable values into a format string.
Generate string from a token array by interpolating values.
Replace search occurrences with a replacement string.
Return the current working directory.
Test if a value is a function.
Test if a value is an array.
Detect native Float32Array support.
Test if a value is object-like.
Test if a value is a Uint32Array.
Return the global object.
Test if a value is a regular expression.
Test if a value is a Float64Array.
Convert a double-precision floating-point number to the nearest single-precision floating-point number.
Get a property from an object using dot (object path) notation.
Determine the name of a value's constructor.
Test if a double-precision floating-point numeric value is NaN.
Detect native Uint32Array support.
Test if a value is a Buffer object.
Convert between POSIX and Windows paths.
Define a non-enumerable read-only property.
Test if a value is a plain object.
Detect native Uint8Array support.
Detect native Buffer support.
Return the prototype of a provided object.
Platform byte order.
Tokenize a string into an array of string parts and format identifier objects.
Split a double-precision floating-point number into a higher order word and a lower order word.
Add a callback to the next tick queue.
Check if an environment is big endian.
Test if a double-precision floating-point numeric value is infinite.
Return an integer corresponding to the unbiased exponent of a double-precision floating-point number.
Return an unsigned 32-bit integer corresponding to the more significant 32 bits of a double-precision floating-point number.
Test if a value is an object.
Create a regular expression from a regular expression string.
Test if a value is a Float32Array.
Test if a value is a number.
Read data from stdin.
Convert a string to lowercase.
Test if a value is a regular expression string.
Command-line interface.
UI utilities
mdast utility to generate a table of contents from a tree
Convenience wrapper for Got to interact with the GitHub API
Create a double-precision floating-point number from a higher order word and a lower order word.
(IEC) Utility to parse a string bytes to bytes and vice-versa
vfile utility to parse the YAML front matter in a file
A collection of useful utilities.
Tiny wrapper around ansi-colors to add colored symbols and a timestamp.
More than 130 Handlebars helpers in ~20 categories. Helpers can be used with Assemble, Generate, Verb, Ghost, gulp-handlebars, grunt-handlebars, consolidate, or any node.js/Handlebars project.
Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)
Simple CLDR traverser
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Escape regular expression special characters
Flattens React children and fragments to an array with predictable and stable keys
mdast utility to parse a comment marker
unist utility to select nodes with CSS-like selectors
Return a copy of the object only containing the whitelisted properties.
Minimum utility toolbelt
A minimal dom utility toolbelt
Merge two lists, trying to preserve the order of both
A crawling file watcher.
Flatten a nested array.
Transform deprecated styling attributes on HAST table cells to inline styles
Get unique values of an array. Really, like deeply unique.
Utility to make vitest tests fail when console.error() or console.warn() are used
Ultra tiny, opinionated, positioning engine.
Cross-browser type assertions (less broken typeof)
unist utility to create a new tree by mapping all nodes
mdast utility to transform to nlcst
mdast utility to get the style of a heading
🔧 Fast, modern, and practical utility library for FP in TypeScript.
hast utility to find and replace text in a tree
More than 130 Handlebars helpers in ~20 categories. Helpers can be used with Assemble, Generate, Verb, Ghost, gulp-handlebars, grunt-handlebars, consolidate, or any node.js/Handlebars project.
Escape regular expression special characters
Simple function that return the first non null or undefined argument
Various utility functions
Recursively omit empty properties from an object. Omits empty objects, arrays, strings or zero.
Convert react components to plain text without any HTML markup
hast utility to merge class names together
Convert Errors & Objects into an easily-serialized vanilla Object.
here-document on node.js
less broken typeof
Returns a shallow copy of an object without blacklisted properties
Convert Gitignore to Glob patterns
Get the prototype chain of any value as an Array
Gets you the Cypress test command log as JSON on failure
Blazing fast, tree-shakeable, type-safe, modern utility library to sort any type of array in less than 1 KB!
Easy way to mock process.env during BDD testing
Simplified, lightweight HTTP client library
A collection of decorators using lodash at it's core.
Emit `ETIMEDOUT` or `ESOCKETTIMEDOUT` when ClientRequest is hanged
unist utility to find a node
es-escape-html rewrite for ESM
TOAST UI Utility: CodeSnippet