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Returns true if a value has the characteristics of a valid JavaScript accessor descriptor.
Returns true if a value has the characteristics of a valid JavaScript data descriptor.
Returns true if a value has the characteristics of a valid JavaScript descriptor. Works for data descriptors and accessor descriptors.
What is the type of this builtin JS value?
Get the native type of a value.
Detect the file type of a Buffer/Uint8Array/ArrayBuffer
Infer the content-type of a request.
Returns true if an object was created by the `Object` constructor, or Object.create(null).
Returns true if the value is an object and not an array or null.
Fork of Zod by Colin McDonnell <colin@colinhacks.com> to add support for warn & assert validation
Runtime validation and processing of JavaScript types
Determine and test types using constructor or {}.toString
A set of types, type checks, and type guards for simpler, safer, and easier to read code.
Collection of useful helper functions when trying to determine module type (CommonJS or AMD) properties of an AST node.
type-check allows you to check the types of JavaScript values at runtime with a Haskell like type syntax.
Change the skin tone of an emoji 👌👌🏻👌🏼👌🏽👌🏾👌🏿
Library of simple and common data tranformers
Small lib of template tags, classes, and escaping functions for working with sync or async html.
A vanilla JavaScript library for checking the type of variables in a more robust and accurate way than the typeof operator
- vanilla javascript
- types
- type
- type checking
- type checking library
- type checking module
- true type checking
- typeof
- typeof library
- typeof module
- typeof checking
- typeOf
- isString
- isNumber
- View more