predicate

A set of predicate functions to improve your value testing and comparisons.

v2.0.0 URL: https://unpkg.com/predicate@2.0.0/index.js

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functional predicates predicate pred type instance comparator compare curry partial testing test chain chaining

ow

Function argument validation for humans

v2.0.0 URL: https://unpkg.com/ow@2.0.0/index.js

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type types check checking guard guards assert assertion predicate predicates is validate validation utility util typeof instanceof object

primitive-predicates

A simple TypeScript library providing type guards for the primitive types in JavaScript.

v2.1.4 URL: https://unpkg.com/primitive-predicates@2.1.4/dist/commonjs/index.js

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@vitruvius-labs/ts-predicate

TypeScript predicates library

v5.2.0 URL: https://unpkg.com/@vitruvius-labs/ts-predicate@5.2.0/index.js

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assert assertion guard predicate strict ts type type-guard typeguard typescript

identify-type

Quickly identify standard JavaScript types

v1.0.1 URL: https://unpkg.com/identify-type@1.0.1/dist/main.js

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inspect identify type typescript narrow predicate assert isObject isNumber nil