check-types

A little library for asserting types and values, with zero dependencies.

v11.2.3 URL: https://unpkg.com/check-types@11.2.3/src/check-types.js

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type types type-check type-checking duck-typing arguments parameters values data contract assert check verify safe safety

tcomb

Type checking and DDD for JavaScript

v3.2.29 URL: https://unpkg.com/tcomb@3.2.29/index.js

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type combinators checking safety model domain debugging immutable DDD JSON store

keyblade

Fail fast when accessing undefined properties on objects.

v0.3.2 URL: https://unpkg.com/keyblade@0.3.2/lib/keyblade.js

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proxy fail-fast guard safety assert

anyargs

A small utility module that converts function arguments to an object for use within the function based on a supplied metadata object. This allows parameters to be passed in any order, making the resultant function very flexible.

v1.0.5 URL: https://unpkg.com/anyargs@1.0.5/index.js

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default values function signature flexibility type safety

eslint-config-typestrict

ESLint config focused on maximizing type safety

v1.0.5 URL: https://unpkg.com/eslint-config-typestrict@1.0.5/index.js

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typescript eslint type safety ruleset types bugs