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287 packages found

Infer the content-type of a request.

published 1.6.18 5 years ago
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Function argument validation for humans

published 2.0.0 a month ago
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A simple TypeScript library providing type guards for the primitive types in JavaScript.

published 2.1.4 2 months ago
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Signet type library

published 7.2.0 4 months 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 7 months 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 19 days 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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A little library for asserting types and values, with zero dependencies.

published 11.2.3 9 months 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.

published 2.0.9 2 years ago
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A standard set of errors and methods for simpler, safer, and easier to read code.

published 1.0.2 9 months ago
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complete type checking for node

published 2.1.0 7 months ago
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Type predicate functions for checking if a value is of a specific type or asserting that it is.

published 1.1.1 5 months ago
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Type checking utils.

published 1.1.0 7 months ago
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Isomorphic, functional type-checking for Javascript

published 7.1.1 3 years ago
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check if something is a POJO (plain old javascript object)

published 1.0.2 9 years ago
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The definitive collection of is* functions for runtime type checking. Lodash-compatible, tree-shakable, with types.

published 2.8.0 8 months ago
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Javascript checking library

published 1.1.0 6 years ago
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List of all javascript types. Used and useful for checking, validation, sanitizing and testing. Like isStream, isPromise, isWeakset and etc.

published 1.0.1 9 years ago
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Type checking and DDD for JavaScript

published 3.2.29 6 years ago
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