2444 packages found

    Description

    Returns true if an object was created by the `Object` constructor, or Object.create(null).

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    published 5.0.0a year ago
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    Detect the file type of a Buffer/Uint8Array/ArrayBuffer

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    published 16.5.27 days ago
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    Media Type Database

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    published 1.49.0a day ago
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    Check if a path is a file, directory, or symlink

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    published 5.0.06 months ago
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    Check if a value is a plain object

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    published 4.0.03 months ago
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    Get the native type of a value.

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    published 6.0.32 years ago
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    Determine if an object is a Stream

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    published 0.1.26 years ago
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    Description

    Avro for JavaScript

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    published 5.7.1a month ago
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    Check if a value is an object

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    published 3.0.03 months ago
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    ECMAScript “ToPrimitive” algorithm. Provides ES5 and ES2015 versions.

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    published 1.2.12 years ago
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    unist utility to select nodes with CSS-like selectors

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    published 4.0.03 months ago
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    Runtime validation and processing of JavaScript types

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    published 2.5.05 months ago
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    unist utility to check if a node passes a test

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    published 5.1.16 days ago
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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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    published 7.0.03 years ago
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    Function argument validation for humans

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    published 0.27.011 days ago
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    A little library for asserting types and values.

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    published 11.1.22 years ago
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    Description

    the definitive JavaScript type testing library

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    published 3.3.03 years ago
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    Description

    A type checking library where each exported function returns either true or false and does not throw. Also added tests.

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    published 2.0.73 months ago
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