217 packages found

    Description

    Validate the type of object's properties.

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    published 3.1.38 months ago
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    ntnl [not null]: a tiny js library which sanitizes null / undefined values from objects by replacing them with provided values

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    published 1.0.1a year ago
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    Coalesce for JavaScript. Returns the first value that is not undefined or null.

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    published 1.0.24 years ago
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    Safe Window Getters

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    published 1.0.16 months ago
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    Description

    Monadic library to help with Typescripts --strictNullChecks

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    published 2.0.112 years ago
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    Check if a given value is empty in JS extending his "truthy" and "falsy" nature

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    published 1.0.15 years ago
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    Replace a blank value with fallback value.

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    published 1.3.06 months ago
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    Description

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

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    published 3.0.5a month ago
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    A library to have a generic typescript definition for object presence.

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    published 1.2.14 months ago
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    Description

    Check if something exists (e.g. not null || undefined)

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    published 1.0.15 years ago
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    Utilities to determine if string is any of the following null, empty, undefined, NaN, or whitespace.

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    published 1.0.3a year ago
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    Description

    Clean objects recursively, deleting undefined & null or falsy properties

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    published 1.0.15 years ago
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    Description

    Assert that the passed arguments are defined.

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    published 1.0.2a year ago
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    Description

    Check whether the provided value is undefined.

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    published 3.0.4a year ago
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    Description

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

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    published 1.0.16 years ago
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    Description

    Validate the type of array's items.

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    published 1.0.18 months ago
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    Description

    Checks if the given value is null or undefined

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    published 1.0.15 years ago
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    Description

    plain implementation of Maybe (Optional, Nullable) monad

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    published 2.0.04 years ago
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    Description

    Check if a variable is undefined in javascript!

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    published 1.0.15 years ago
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    Description

    exists and allExist functions. plain and simple

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    published 1.0.14 years ago
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