date-arithmetic

simple date math util

v4.1.0 URL: https://unpkg.com/date-arithmetic@4.1.0/index.cjs.js

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moment date math

dma

Date's modular arithmetic.

v0.0.1 URL: https://unpkg.com/dma@0.0.1/index.js

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modular arithmetic date recurring slice wrap congrunce

basic-utility-belt

Basic Utility Belt is a versatile collection of essential utility functions designed to simplify a wide range of common programming tasks. Whether you need to manipulate dates, perform arithmetic operations, or process strings, this toolkit has you covere

v1.0.19 URL: https://unpkg.com/basic-utility-belt@1.0.19/dist/index.js

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utility utilities toolkit essentials fundamental basic helper functions programming development tools handy versatile common tasks dates numbers math date calendar arithmetic string array manipulation

jin-time

Cool date/time/duration/range arithmetic

v1.2.5 URL: https://unpkg.com/jin-time@1.2.5/index.env=web.stage=release.js

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date time duration time-range iso8601

kind-of

Get the native type of a value.

v6.0.3 URL: https://unpkg.com/kind-of@6.0.3/index.js

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arguments array boolean check date function is is-type is-type-of kind kind-of number object of regexp string test type type-of typeof types