get-east-asian-width

Determine the East Asian Width of a Unicode character

v1.3.0 URL: https://unpkg.com/get-east-asian-width@1.3.0/index.js

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unicode east-asian-width eastasianwidth character string width text layout alignment fullwidth halfwidth ambiguous narrow wide neutral typography japanese chinese korean codepoint text-processing i18n l10n

identify-type

Quickly identify standard JavaScript types

v1.0.1 URL: https://unpkg.com/identify-type

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inspect identify type typescript narrow predicate assert isObject isNumber nil

@xmldom/is-dom-node

TypeScript helper functions to narrow the type of object to a Node descendant

v1.0.1 URL: https://unpkg.com/@xmldom/is-dom-node

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dom node typescript narrow guard

typebox-assert

utility function to assert and narrow a type using typebox

v0.5.0 URL: https://unpkg.com/typebox-assert@0.5.0/dist/commonjs/index.js

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validate typebox assert narrow

monadio

A little library that provides useful and smartly-typed monads for TypeScript.

v0.0.10 URL: https://unpkg.com/monadio@0.0.10/dist/cjs/index.js

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monad functional typescript result maybe switch narrow