Runtime library for TypeScript helper functions

Array#isArray for older browsers

Brand checking of React Elements.

A querystring parser that supports nesting and arrays, with a depth limit

babel's modular runtime helpers

Get and robustly cache all JS language-level intrinsics at first require time

Implementation of Function.prototype.bind

Express style path to RegExp utility

Promise based HTTP client for the browser and node.js

Robustly `.call.bind()` a function

string representations of objects in node and the browser

Determine if the JS environment has Symbol support. Supports spec, or shams.

Store information about any JS value in a side channel. Uses WeakMap if available.

ECMAScript spec abstract operations.

deterministic `JSON.stringify()` - a faster version of substack's json-stable-strigify without jsonify

Define multiple non-enumerable properties at once. Uses `Object.defineProperty` when available; falls back to standard assignment in older engines.

Is this JS value callable? Works with Functions and GeneratorFunctions, despite ES6 @@toStringTag.

Determine if the JS environment has `Symbol.toStringTag` support. Supports spec, or shams.

An Object.keys replacement, in case Object.keys is not available. From https://github.com/es-shims/es5-shim

Standard library

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

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

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

An ES7/ES2016 spec-compliant `Array.prototype.includes` shim/polyfill/replacement that works as far down as ES3.

Object.prototype.hasOwnProperty.call shortcut

ES5 spec-compliant shim for String.prototype.trim

Cooperative scheduler for the browser environment.

Runtime type checking for React props and similar objects.

React is a JavaScript library for building user interfaces.

ES2017 spec-compliant Object.entries shim.

The core `url` packaged standalone for use with Browserify.

2KB immutable date time library alternative to Moment.js with the same modern API

Copies non-react specific statics from a child component to a parent component

Node's querystring module for all engines.

A simple utility for conditionally joining classNames together

Parse and stringify URL query strings

JS Object representation of a stack frame

A Query Language and Runtime which can target any service.

Extract meaning from JS Errors

A tiny invariant function

Utilities for all Sentry JavaScript SDKs

Utility package to determine if an `Array.prototype` method properly boxes the callback's receiver and third argument.

Declarative routing for React

Base implementation for all Sentry JavaScript SDKs

ECMAScript extensions and shims

Lodash exported as ES modules.

Predictable state container for JavaScript apps

implementation of crypto for the browser

Selectors for Redux.

Like lodash isEqualWith but for shallow equal.

Manage session history with JavaScript

Official Sentry SDK for browsers

CSS for the <Component> Age. Style components your way with speed, strong typing, and flexibility.

A Select control built with and for ReactJS

Thin wrapper around zen-observable and @types/zen-observable, to support ESM exports as well as CommonJS exports

TypeScript implementation of invariant(condition, message)

https://en.wikipedia.org/wiki/Trie

Structural equality checking for JavaScript values

Manage contextual information needed by (a)synchronous tasks without explicitly passing objects around

Composable reactive caching with efficient invalidation.

A fully-featured caching GraphQL client.

Finite State Machines and Statecharts for the Modern Web.

Utilities for working with GraphQL ASTs

React date & time picker

Smooth Scroll behavior polyfill

Telephone number input React component

Javascript library for Amplitude Analytics

A localStorage wrapper for all browsers without using cookies or flash. Uses localStorage, globalStorage, and userData behavior under the hood

Give your JavaScript the ability to speak many languages.

Run GraphQL queries with no schema and just one resolver

Tiny hashing module that uses the native crypto API in Node.js and the browser