npm

1629 packages found

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Detect the file type of a Buffer/Uint8Array/ArrayBuffer

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published 12.2.08 days ago
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Get the native type of a value.

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published 6.0.22 years ago
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Returns true if the value is an object and not an array or null.

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published 4.0.04 months ago
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Check if something is a Node.js stream

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published 2.0.04 months ago
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Infer the content-type of a request.

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published 1.6.184 months ago
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Check if a path is a file, directory, or symlink

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published 4.0.05 months ago
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Runs typescript type checker and linter on separate process.

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published 1.5.023 days ago
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Improved typeof detection for node.js and the browser.

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published 4.0.82 years ago
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Check if something is a promise

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published 3.0.02 months ago
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Description

ECMAScript “ToPrimitive” algorithm. Provides ES5 and ES2015 versions.

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published 1.2.0a year ago
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Check if a string or buffer is SVG

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published 4.2.03 months ago
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Stringify an object/array like JSON.stringify just without all the double-quotes

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published 3.3.010 months ago
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Check if a value is a regular expression

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published 2.1.04 months ago
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Utility to check if a node passes a test

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published 4.0.0a month ago
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Check if a value is an Observable

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published 2.0.03 months ago
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Runtime validation and processing of JavaScript types

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published 1.0.320 days ago
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Description

Resolve an options object based on configuration.

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published 1.1.02 years ago
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Check if a Buffer/Uint8Array is a JPEG image

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published 2.0.0a year ago
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Description

Function argument validation for humans

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published 0.13.23 months ago