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A small polyfill for Object.setprototypeof

Babel plugin that replaces member expressions and typeof statements with strings

Just a reasonable typeof

Strip the final newline character from a string/buffer

Improved typeof detection for node.js and the browser.

A set of JavaScript helper functions to check for types

Cross-browser type assertions (less broken typeof)

Type assertions aka less-broken `typeof`

Fix for instanceof issues.

list things in node_modules that are bundledDependencies, or transitive dependencies thereof

An ES2015 mostly-spec-compliant `Reflect.getPrototypeOf` sham/polyfill/replacement that works in as many engines as possible

Sizeof of a JavaScript object in Bytes

Remove the annoying _typeof(...) pollution when no symbol is used.

Node module. typeOf('a string') == 'string', typeOf([]) == 'array', etc.. Also supports named functions detections aka javascript classes

Is this value a JS Typed Array? This module works cross-realm/iframe, does not depend on `instanceof` or mutable properties, and despite ES6 Symbol.toStringTag.

Simple module to get instance type. Like a bit more advanced version of typeof

babel-preset-es2015-rollup minus ES6 symbol typeof

A better typeof for JavaScript.

This plugin transforms all the ES2015 'instanceof' methods

Get the type of something. Seriously.

Turn Object.setPrototypeOf to assignments

Strict equality test (like ===) that handles both built-in and custom value objects (those with a valueOf function).

Type assertions aka less-broken typeof.

nameof in TypeScript

Check that given value is any type of error and instanceof Error.

A proper typeof that works with primitives, built-in value objects and those from other execution contexts.

Compare performance across multiple versions of your code

An ES5 mostly-spec-compliant `Object.getPrototypeOf` sham/polyfill/replacement that works in as many engines as possible

This transformer wraps all typeof expressions with a method that replicates native behaviour. (ie. returning “symbol” for symbols)

ts-nameof - Common code across packages.