2148 packages found
Description
Detect the file type of a Buffer/Uint8Array/ArrayBuffer
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Description
Returns true if an object was created by the `Object` constructor, or Object.create(null).
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Description
Determine if an object is a Buffer
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- arraybuffer
- browser
- browser buffer
- browserify
- buffer
- buffers
- core buffer
- dataview
- float32array
- float64array
- int16array
- int32array
- type
- typed array
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Description
Media Type Database
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Type check values
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Description
Check if a path is a file, directory, or symlink
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Description
Determine if an object is a Stream
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Description
Get the native type of a value.
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Runtime validation and processing of JavaScript types
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Avro for JavaScript
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Description
ECMAScript “ToPrimitive” algorithm. Provides ES5 and ES2015 versions.
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- primitive
- abstract
- ecmascript
- es5
- es6
- es2015
- toPrimitive
- coerce
- type
- object
- string
- number
- boolean
- symbol
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Description
unist utility to check if a node passes a test
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Description
Check if a string or buffer is SVG
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Description
A little library for asserting types and values.
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- type
- types
- type-check
- type-checking
- duck-typing
- arguments
- parameters
- values
- data
- contract
- assert
- check
- verify
- safe
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Description
Check if something is a Node.js stream
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Description
Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.
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Description
Returns true if the value is an object and not an array or null.
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unist utility to select nodes with CSS-like selectors
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Description
Function argument validation for humans
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- type
- types
- check
- checking
- guard
- guards
- assert
- assertion
- predicate
- predicates
- is
- validate
- validation
- utility
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Description
Infer the content-type of a request.