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Validates if a value is undefined or null.
published version 1.0.0, 10 years ago1 dependents licensed under $MIT
31,711
Validates if a value is undefined.
published version 1.0.3, 10 years ago3 dependents
14,595
Test if a value is undefined.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- undefined
- void
- is
- isundefined
- isvoid
- type
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published version 0.2.2, 6 months ago5 dependents licensed under $Apache-2.0
1,189
Test if a value is undefined or null.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- undefined
- void
- null
- is
- isundefined
- isnull
- View more
published version 0.2.2, 6 months ago1 dependents licensed under $Apache-2.0
197
👺 weak but accurate type checking that returns a string representation of input's type
- type
- types
- coerce
- coercion
- checker
- check
- flow
- typing
- typeof
- typeov
- detection
- ispromise
- isnumber
- isinfinity
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published version 1.2.6, 4 years ago2 dependents licensed under $MIT
203
Check whether the provided value is undefined.
published version 3.0.4, 5 years ago4 dependents licensed under $MIT
107
Simple JS library that checks if value is an empty object, collection, string
- is-empty-typed
- isemptytyped
- is-empty
- isempty
- empty
- check
- isnull
- is-null
- isnone
- is-none
- isundefined
- is-undefined
- is
published version 1.0.0, 4 years ago0 dependents licensed under $MIT
61
Simple utility function for checking isDefined for complex objects with long property paths
published version 1.0.1, 9 years ago0 dependents licensed under $MIT
43
Small utility to check variable types
- typechecker
- typeverifier
- types
- type
- check
- gettype
- isstring
- isregexp
- isregex
- isobject
- iserror
- isnumber
- isdate
- isarray
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published version 1.0.3, 9 years ago0 dependents licensed under $WTFPL-2.0
21