keywords:defined - npm search

typical

Description

Isomorphic, functional type-checking for Javascript

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Publisher

75lb

published 7.0.0 • 2 months ago

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A lightweight stream-like maybe/or else monad for typescript. `maybe(val).valueOr(other)` grant you no unexpected undefined and hence allows you to write you TS-code in a more fluid way, skipping some of those if-else nestings.

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hansogj

published 1.3.0 • a month ago

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not-defined

Description

checks if foo is not defined, i.e. undefined, null, an empty string, array, object or NaN

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fibo

published 3.0.5 • 5 months ago

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required-pm

Description

ensures all required parameters are not null, or throws a useful error like 'phone is required'

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johnfliu

published 1.0.17 • 2 years ago

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check-defined

Description

Simple utility function for checking isDefined for complex objects with long property paths

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Publisher

makeitdoit

published 1.0.1 • 6 years ago

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prose_is

Description

A logic Utility. Nil is: null or undefined. Make writing node easier, prettier and less error prone. Writes and reads more like prose

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Publisher

seandmurray

published 2.0.6 • a year ago

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first-defined

Description

Return the first defined item in an array

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bconnorwhite

published 1.0.0 • a month ago

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validol

Description

util for validation that object has defined props

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aleksei0807

published 1.2.2 • 5 years ago

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is-defined-type

Description

Check if a variable in a nested object is defined and optionally also check its type. Useful for verifying API responses.

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Publisher

basbase

published 1.2.1 • a year ago

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izzy

Description

A robust micro library for type checking. Defers to constructs' internal `[[Class]]` property rather than duck typing for excellent type detection and to avoid triggering false positives.