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ts-util-is
TypeScript typeof utility helper with no dependencies.
v2.1.0 URL:
https://unpkg.com/ts-util-is@2.1.0/index.js
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typescript
util
typeof
type guards
isArray
isBase64
isBoolean
isDate
isDateValid
isDefined
isError
isFunction
isGuid
isInfinity
isNull
isNumber
isObject
isRegExp
isString
isSymbol
isUndefined
isThis
isThat
polyfill
typechecker
Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)
v9.3.0 URL:
https://unpkg.com/typechecker@9.3.0/edition-browsers/index.js
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array
assert
assertion
async
async function
async-function
asyncFunction
bool
boolean
browser
check
check-type
checking
class
class-identifier
class-instance
compare
conventional class
conventional-class
conventionalClass
date
define-type
deno
deno-edition
deno-entry
denoland
empty
empty array
empty keys
empty map
empty plain object
empty-array
empty-keys
empty-map
empty-plain-object
emptyArray
emptyKeys
emptyMap
emptyPlainObject
error
es2022
es5
function
get object type
get type
get-object-type
get-type
getObjectType
getType
instanceof
is
is arguments
is array
is async
is async function
is bool
is boolean
is class
is conventional class
is date
is empty array
is empty keys
is empty map
is empty plain object
is empty weak map
is error
is function
is map
is native class
is null
is nullish
is number
is object
is plain object
is regexp
is string
is sync
is sync function
is undefined
is weak map
is-arguments
is-array
is-async
is-async-function
is-bool
is-boolean
is-class
is-conventional-class
is-date
is-empty-array
is-empty-keys
is-empty-map
is-empty-plain-object
is-empty-weak-map
is-error
is-function
is-map
is-native-class
is-null
is-nullish
is-number
is-object
is-plain-obj
is-plain-object
is-regexp
is-string
is-sync
is-sync-function
is-undefined
is-weak-map
isArguments
isArray
isAsyncFunction
isBool
isBoolean
isClass
isConventionalClass
isDate
isEmptyArray
isEmptyKeys
isEmptyMap
isEmptyPlainObject
isEmptyWeakMap
isError
isFunction
isMap
isNativeClass
isNull
isNullish
isNumber
isObject
isRegExp
isString
isSync
isSyncFunction
isUndefined
isWeakMap
javascript
javascript-type
keys
kind
map
module
native
native class
native-class
nativeClass
node
null
number
object
plain
plain object
plain objects
plain-object
plain-objects
plainObject
primitive
primitive-types
pure
regex
regexp
regular expression
simple
string
sync
syncFunction
test
type
type-check
type-checker
type-checking
typechecker
typed
typeguards
typeof
types
typescript
undefined
util
utility
validate
validation
vanilla
verify
weak map
weak-map
weakMap
what-type
koalas
Coalesce for JavaScript. Returns the first value that is not undefined or null.
v1.0.2 URL:
https://unpkg.com/koalas@1.0.2/index.js
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check
isnull
kind
koala
koalas
null
type
type-of
typeof
undefined
util
utility
utils
value
@stdlib/assert-is-null
Test if a value is null.
v0.2.2 URL:
https://unpkg.com/@stdlib/assert-is-null@0.2.2/lib/index.js
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stdlib
stdassert
assertion
assert
utilities
utility
utils
util
null
is
isnull
type
check
valid
validate
test
@extremejs/utils
ExtremeJS Utilities
v1.0.0-beta.22 URL:
https://unpkg.com/@extremejs/utils@1.0.0-beta.22/build/cjs/index.js
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utilities
utils
util
typescript
ts
javascript
js
node.js
node
browser
import
require
add
camelCase
capitalize
chunk
compact
concat
divide
drop
dropRight
endsWith
eq
fill
first
get
head
identity
isArguments
isArray
isArrayBuffer
isArrayLike
isArrayLikeObject
isBoolean
isBuffer
isDate
isElement
isEmpty
isError
isEven
isFinite
isFunction
isIndex
isInstanceOf
isInteger
isLength
isMap
isNan
isNil
isNull
isNumber
isObject
isObjectLike
isPlainObject
isPositive
isPrototype
isRegExp
isSafeInteger
isSet
isString
isSymbol
isTypeOf
isTypedArray
isUndefined
isWeakMap
isWeakSet
iteratee
join
kebabCase
keys
last
lowerCase
lowerFirst
max
maxBy
maxByFn
maxByProperty
mean
meanBy
meanByFn
meanByProperty
min
minBy
minByFn
minByProperty
multiply
noop
objectToString
objectToStringTag
property
prototypeOf
repeat
replace
slice
snakeCase
split
startsWith
subtract
sum
sumBy
sumByFn
sumByProperty
tail
toPath
typeOf
upperCase
upperFirst