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707 packages found

Returns true if a value has the characteristics of a valid JavaScript accessor descriptor.

published 3.0.5 7 months ago
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Returns true if a value has the characteristics of a valid JavaScript data descriptor.

published 2.1.3 7 months ago
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Returns true if a value has the characteristics of a valid JavaScript descriptor. Works for data descriptors and accessor descriptors.

published 3.1.1 7 months ago
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What is the type of this builtin JS value?

published 1.1.3 2 years ago
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Get the native type of a value.

published 6.0.3 4 years ago
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Detect the file type of a Buffer/Uint8Array/ArrayBuffer

published 19.0.0 5 months ago
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Infer the content-type of a request.

published 1.6.18 5 years ago
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Returns true if an object was created by the `Object` constructor, or Object.create(null).

published 5.0.0 4 years ago
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Returns true if the value is an object and not an array or null.

published 4.0.0 5 years ago
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complete type checking for node

published 2.1.0 6 months ago
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Fork of Zod by Colin McDonnell <colin@colinhacks.com> to add support for warn & assert validation

published 3.23.8 a day ago
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Runtime validation and processing of JavaScript types

published 2.7.2 2 years ago
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Determine and test types using constructor or {}.toString

published 3.5.1 7 years ago
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A set of types, type checks, and type guards for simpler, safer, and easier to read code.

published 1.15.0 a day ago
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Collection of useful helper functions when trying to determine module type (CommonJS or AMD) properties of an AST node.

published 6.0.0 2 months ago
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type-check allows you to check the types of JavaScript values at runtime with a Haskell like type syntax.

published 0.4.0 4 years ago
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Change the skin tone of an emoji 👌👌🏻👌🏼👌🏽👌🏾👌🏿

published 4.0.0 5 months ago
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Library of simple and common data tranformers

published 1.1.8 7 months ago
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Small lib of template tags, classes, and escaping functions for working with sync or async html.

published 3.1.0 6 days ago
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A vanilla JavaScript library for checking the type of variables in a more robust and accurate way than the typeof operator

published 4.0.1 6 months ago
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