Synchronization for the Web (reference implementation)
Synchronization for the Web (reference implementation)
Another JSON Schema Validator
Improved typeof detection for node.js and the browser.
Prettier is an opinionated code formatter
resolve like require.resolve() on behalf of files asynchronously and synchronously
Web framework built on Web Standards
Determine if the JS environment has `Symbol.toStringTag` support. Supports spec, or shams.
Determine if the current node version supports the `--preserve-symlinks` flag.
Get and robustly cache all JS language-level intrinsics at first require time
Hooks for managing, caching and syncing asynchronous and remote data in React
Custom jest matchers to test the state of the DOM
Which kind of Collection (Map, Set, WeakMap, WeakSet) is this JavaScript value? Works cross-realm, without `instanceof`, and despite Symbol.toStringTag.
Helper functions around Function call/apply/bind, for use in `call-bind`
ES6 spec-compliant RegExp.prototype.flags shim.
Is this value a JS FinalizationRegistry? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
ES2019 spec-compliant String.prototype.trimEnd shim.
Determine if a function is a native generator function.
Pure random number generator written in TypeScript
Is this value a JS Number object? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Packs ECMAScript/CommonJs/AMD modules for the browser. Allows you to split your codebase into multiple bundles, which can be loaded on demand. Supports loaders to preprocess files, i.e. json, jsx, es7, css, less, ... and your custom stuff.
ES spec-like internal slots
Does the environment have full property descriptor support? Handles IE 8's broken defineProperty/gOPD.
Is this JS value callable? Works with Functions and GeneratorFunctions, despite ES6 @@toStringTag.