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    703 packages found

    Description

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

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    published 5.0.09 months ago
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    Description

    Detect the file type of a Buffer/Uint8Array/ArrayBuffer

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    published 16.5.016 days ago
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    Check if a value is a plain object

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    published 4.0.02 months ago
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    A little library for asserting types and values.

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    published 11.1.2a year ago
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    Check if a path is a file, directory, or symlink

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    published 5.0.05 months ago
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    Check if a value is an object

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    published 3.0.02 months ago
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    Description

    unist utility to check if a node passes a test

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    published 5.1.0a month ago
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    Get the native type of a value.

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    published 6.0.3a year ago
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    Check if something is a Node.js stream

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    published 2.0.02 years ago
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    Description

    type-check allows you to check the types of JavaScript values at runtime with a Haskell like type syntax.

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    published 0.4.0a year ago
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    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 2.0.7a month ago
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    Description

    Function argument validation for humans

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    published 0.24.18 days ago
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    Check if a value is a regular expression

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    published 3.0.02 months ago
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    Check if something is a promise

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    published 4.0.02 months 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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    Description

    Returns true if the value is an object and not an array or null.

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    published 4.0.02 years ago
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    Description

    Check if a string or buffer is SVG

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    published 4.3.13 months ago
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    Description

    Returns true if a value exists, false if empty. Works with deeply nested values using object paths.

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    published 2.0.23 years ago
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    Description

    Checks TypeScript types match expected values

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    published 1.3.04 months ago
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