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6000 packages found
Media Type Database
TypeScript-first schema declaration and validation library with static type inference
Check if a path is a file, directory, or symlink
Check if something is a Node.js stream
What is the type of this builtin JS value?
Improved typeof detection for node.js and the browser.
Detect the file type of a file, stream, or data
Type check values
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.
Runtime validation and processing of JavaScript types
ECMAScript “ToPrimitive” algorithm. Provides ES5 and ES2015 versions.
- primitive
- abstract
- ecmascript
- es5
- es6
- es2015
- toPrimitive
- coerce
- type
- object
- string
- number
- boolean
- symbol
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Intuitive, type safe and flexible Store for Vue
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- iterate
- typedarrays
- telephone
- type
- jasmine
- multi-package
- define
- mimetypes
- korean
- toobject
- inspect
- react-hook-form
- Uint16Array
- regular
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Function argument validation for humans
- type
- types
- check
- checking
- guard
- guards
- assert
- assertion
- predicate
- predicates
- is
- validate
- validation
- utility
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Get the native type of a value.
Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.
Determines if an object can be used as an array
Collection of useful helper functions when trying to determine module type (CommonJS or AMD) properties of an AST node.