est

🔬 Experimental

ES module friendly type checker, tiny utility functions with TypeScript definition. So you can import only the required type-checking functions you need and the rest will be removed by tree-shaking. Size is the primary concern of this module.

Roadmap

• noop
• identity (returns the first argument)
• always (takes T and returns () => T)
• isString
• isNumber
• isBoolean
• isObject
• isFunction
• isSymbol
• isArray (alias only)
• isArrayLike
• isEmptyArray
• isNull
• isUndefined
• isDate
• isRegExp
• isError
• isNaN
• isSafari
• isChrome
• isEdge
• isPlainObject
• ensureArray

License

BSD-3 Clause.