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es-to-primitive

ECMAScript “ToPrimitive” algorithm. Provides ES5 and ES2015 versions.

• primitive
• abstract
• ecmascript
• es5
• es6
• es2015
• toPrimitive
• coerce
• type
• object
• string
• number
• boolean
• symbol
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ljharb

published 1.2.1 • 5 years agopublished version 1.2.1, 5 years ago

has-value

Returns true if a value exists, false if empty. Works with deeply nested values using object paths.

• array
• boolean
• check
• deep
• empty
• function
• has
• hasOwn
• is-empty
• nested
• null
• number
• object
• object path
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jonschlinkert

published 2.0.2 • 7 years agopublished version 2.0.2, 7 years ago

has-values

Returns true if any values exist, false if empty. Works for booleans, functions, numbers, strings, nulls, objects and arrays.

• array
• boolean
• empty
• find
• function
• has
• hasOwn
• javascript
• js
• key
• keys
• node.js
• null
• number
• View more

jonschlinkert

published 2.0.1 • 7 years agopublished version 2.0.1, 7 years ago

validation-utils

Validation utilities

• common
• utilities
• utils
• validation
• assertion
• validator
• validate
• assert
• null
• type
• nil
• empty

kibertoad

published 11.0.1 • a month agopublished version 11.0.1, a month ago

null-writable

Null writable stream

• null
• stream
• writable
• writev

dex4er

published 2.0.1 • 2 months agopublished version 2.0.1, 2 months ago

ts-opt

Typed Option/Optional/Maybe for TypeScript and JavaScript, created to simplify code involving optional values (null, undefined, NaN).

• option
• maybe
• optional
• fp
• functional programming
• typescript
• undefined
• null

monnef

published 6.0.2 • 2 months agopublished version 6.0.2, 2 months ago

typechecker

Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)

• array
• assert
• assertion
• async
• async function
• async-function
• asyncFunction
• bool
• boolean
• browser
• check
• check-type
• checking
• class
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bevryme

published 9.3.0 • a year agopublished version 9.3.0, a year ago

@qntm-code/utils

A collection of useful utility functions with associated TypeScript types. All functions have been unit tested.

• TypeScript
• isNullOrUndefined
• isEmpty
• isEqual
• isNumber
• randomNumberBetweenRange
• random number between range
• asyncForEach
• async for each
• delay
• convertTimeUnits
• convert time units
• getToday
• setEndOfDay
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bameyrick

published 2.18.3 • a year agopublished version 2.18.3, a year ago

koalas

Coalesce for JavaScript. Returns the first value that is not undefined or null.

• check
• isnull
• kind
• koala
• koalas
• null
• type
• type-of
• typeof
• undefined
• util
• utility
• utils
• value

doowb

published 1.0.2 • 8 years agopublished version 1.0.2, 8 years ago

@cdktf/provider-null

Prebuilt null Provider for Terraform CDK (cdktf)

• cdk
• cdktf
• null
• provider
• terraform

cdktf-team

published 10.0.1 • 2 months agopublished version 10.0.1, 2 months ago

@zerodep/is-null

A utility to determine if a value is null

• is
• null
• type

cdepage

published 2.0.12 • 22 days agopublished version 2.0.12, 22 days ago

@stdlib/assert-is-null

Test if a value is null.

• stdlib
• stdassert
• assertion
• assert
• utilities
• utility
• utils
• util
• null
• is
• isnull
• type
• check
• valid
• View more

stdlib-bot

published 0.2.2 • 4 months agopublished version 0.2.2, 4 months ago

is-window

Checks if the given value is a window object.

• is
• check
• checks
• detect
• window
• object
• type
• null

bubkoo

published 1.0.2 • 9 years agopublished version 1.0.2, 9 years ago

@stdlib/assert-is-primitive

Test if a value is a JavaScript primitive.

• stdlib
• stdassert
• assertion
• assert
• utilities
• utility
• utils
• util
• valid
• primitive
• string
• number
• null
• undefined
• View more

stdlib-bot

published 0.2.2 • 4 months agopublished version 0.2.2, 4 months ago

nevernullable

Option<T>, Some<T>, None types and runtime functions to safely write JS/TS code without using null and undefined

• option
• functional
• fp
• null
• nullable
• safe

white11010

published 1.0.7 • 5 months agopublished version 1.0.7, 5 months ago

rx-filternil

A utility function that filters out null and undefined values from RxJS streams or arrays.

• filter
• null
• undefined
• rxjs
• observable
• utility
• functional-programming
• data-cleaning
• streams

zacharygriffee

published 1.0.2 • 12 days agopublished version 1.0.2, 12 days ago

@codecompose/throws

A Typescript assertion that only throws on null and undefined

• typescript
• assert
• invariant
• null
• undefined
• throw

thijskoerselman

published 1.0.0 • 2 months agopublished version 1.0.0, 2 months ago

@stdlib/assert-is-undefined-or-null

Test if a value is undefined or null.

• stdlib
• stdassert
• assertion
• assert
• utilities
• utility
• utils
• util
• undefined
• void
• null
• is
• isundefined
• isnull
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stdlib-bot

published 0.2.2 • 4 months agopublished version 0.2.2, 4 months ago

@quintal/monads

A collection of monads (Result, Option) for TypeScript, inspired by [the Rust programming language](https://doc.rust-lang.org/std/result/).

• monads
• monad
• result
• option
• error
• null

quintal-william

published 0.3.2 • 2 months agopublished version 0.3.2, 2 months ago

sans-null

Deep removes null from objects

• json
• null
• strip
• remove
• deep

kequc

published 1.0.2 • a month agopublished version 1.0.2, a month ago