Is boolean | npm.io

Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)

array assert assertion async async function async-function asyncFunction bool boolean browser

9.3.0 • Published 2 years ago

check whether value is undefined or empty or null

validation-checking validation checking validation data validation object empty checking array empty checking isArrayEmpty isEmptyArray isObjectEmpty isEmptyObject

1.3.9 • Published 5 years ago

check whether value is undefined or empty or null

validation-checking validation checking validation data validation object empty checking array empty checking isArrayEmpty isEmptyArray isObjectEmpty isEmptyObject

1.3.7 • Published 5 years ago

Check your types at runtime with ESNext syntax by meta programing in node.js and browser with interfaces, strict object and more.

as-is js-inteface interface-check javascript ESNext typechecker enum-type strict-type multi-type repeated-type-check

1.3.8 • Published 10 months ago