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Additional types and utils for TypeScript
type-plus
KeysOfOptional
Type alias KeysOfOptional<T>
Keys
Of
Optional
<
T
>
:
T
extends
Record
<
infer
U
,
any
>
?
U
:
never
Type Parameters
T
Settings
Member Visibility
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Private
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External
Theme
OS
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type-
plus -
v8.0.0-
beta.2
Is
Integer
Is
Negative
Is
Not
Integer
Is
Not
Negative
Is
Not
Number
Is
Not
Numeric
Is
Not
Positive
Is
Number
Is
Numeric
Is
Positive
Numeric
Zero
$
Any
$
Else
$
Equality
$
Extract
Manipulated
String
$
Never
$
Resolve
Branch
$
Select
$
Special
Type
$
Then
$
Unknown
Array
Plus
Assignable
Box
Common
Prop
Keys
Drop
First
Drop
Last
Find
First
Head
Is
Any
Is
Array
Is
Bigint
Is
Bigint
Literal
Is
Boolean
Is
False
Is
Function
Is
Never
Is
Not
Any
Is
Not
Array
Is
Not
Bigint
Is
Not
Bigint
Literal
Is
Not
Boolean
Is
Not
False
Is
Not
Function
Is
Not
Never
Is
Not
Null
Is
Not
Number
Literal
Is
Not
Object
Is
Not
Strict
Function
Is
Not
String
Is
Not
String
Literal
Is
Not
Symbol
Is
Not
Template
Literal
Is
Not
True
Is
Not
Tuple
Is
Not
Undefined
Is
Not
Unknown
Is
Not
Void
Is
Null
Is
Number
Literal
Is
Object
Is
Strict
Function
Is
String
Is
String
Literal
Is
Symbol
Is
Template
Literal
Is
True
Is
Tuple
Is
Undefined
Is
Unknown
Is
Void
Last
Math
Plus
Not
Assignable
Number
Plus
Numeric
Plus
Object
Plus
Pick
Required
Keys
Some
String
Plus
Tuple
Plus
Type
Plus
Options
Union
Type
assert
Type
is
Type
stub
test
Type
$
Type
Branded
Failed
FailedT
Flavored
Flavored
Unit
$
Any
$
Branch
$
Branch
Options
$
Distributive
Default
$
Distributive
Options
$
Else
$
Error
$
Extract
Manipulated
String
$
Flip
Selection
$
Infer
Error
$
Input
Options
$
Invert
Selection
$
Is
Distributive
$
Merge
Options
$
Never
$
Not
Never
$
Resolve
Branch
$
Resolve
Options
$
Select
$
Selection
Branch
$
Selection
Filter
$
Selection
Options
$
Selection
Predicate
$
Special
Type
$
Then
$
Unknown
ANotB
Abs
Add
And
Any
Constructor
Any
Function
Any
Record
Assignable
At
Awaited
Prop
BNotA
Box
Brand
Can
Assign
Chain
Fn
Common
Keys
Common
Prop
Keys
Composable
Types
Concat
Context
Base
Shape
Context
Builder
Context
Extender
Create
Tuple
Decrement
Drop
First
Drop
Last
Drop
Match
Drop
Null
Drop
Nullable
Drop
Undefined
Either
And
Either
Or
Both
Endo
Fn
Equal
Except
Exclude
Exclude
Prop
Type
Extendable
Extract
Function
Filter
Find
First
Find
Last
Flavor
Greater
Than
Has
Key
Has
Undefined
Head
If
Increment
Intersect
Of
Props
Is
Any
Is
Any
Or
Never
Is
Array
Is
Assign
Is
Bigint
Is
Bigint
Literal
Is
Boolean
Is
Disjoint
Is
Empty
Object
Is
Equal
Is
Extend
Is
False
Is
Function
Is
Literal
Is
Loose
Array
Is
Never
Is
Not
Any
Is
Not
Array
Is
Not
Bigint
Is
Not
Bigint
Literal
Is
Not
Boolean
Is
Not
Equal
Is
Not
Extend
Is
Not
False
Is
Not
Function
Is
Not
Loose
Array
Is
Not
Never
Is
Not
Null
Is
Not
Number
Literal
Is
Not
Object
Is
Not
Strict
Function
Is
Not
String
Is
Not
String
Literal
Is
Not
Symbol
Is
Not
Template
Literal
Is
Not
True
Is
Not
Tuple
Is
Not
Undefined
Is
Not
Unknown
Is
Not
Void
Is
Null
Is
Number
Literal
Is
Object
Is
Optional
Key
Is
Record
Is
Strict
Function
Is
String
Is
String
Literal
Is
Symbol
Is
Template
Literal
Is
True
Is
Tuple
Is
Undefined
Is
Union
Is
Unknown
Is
Void
JSONArray
JSONObject
JSONPrimitive
JSONTypes
Keep
Match
Key
Types
Keys
Of
Optional
Keys
With
Diff
Type
Known
Keys
Last
Left
Join
Loose
Array
Type
Map
To
Prop
Max
Maybe
Promise
Merge
Multiply
No
Infer
Non
Composable
Types
Not
Not
Assignable
Not
Equal
Not
Extendable
Not
Loose
Array
Type
Not
Unknown
Or
Numeric
To
String
Omit
Optional
Keys
Optional
Props
Or
Pad
Start
Partial
Partial
Except
Partial
Omit
Partial
Pick
Pick
Primitive
Types
Promise
Value
Promise
Value
Merge
Prop
Union
Properties
Record
Value
Recursive
Intersect
Recursive
Partial
Recursive
Required
Replace
Property
Required
Required
Except
Required
Keys
Required
Pick
Reverse
Some
Split
Spread
Record
Strict
Can
Assign
String
Includes
String
Split
String
To
Bigint
String
To
Number
String
To
Numeric
Subtract
System
Error
Codes
System
Errors
Tail
To
Tuple
Union
Keys
Union
Of
Props
Union
Of
Values
Union
Type
Value
Of
Widen
Xor
JSONTypes
Maybe
Promise
test
Type
amend
as
as
Any
assert
Type
brand
can
Assign
compose
context
drop
every
Key
extract
Function
facade
filter
Key
find
Key
flavor
for
Each
Key
get
Field
has
Key
has
Property
inspect
is
Constructor
is
Instanceof
is
Promise
is
System
Error
is
Type
literal
Array
map
Key
map
Properties
map
Series
merge
nominal
Match
omit
pick
record
reduce
By
Key
reduce
Key
reduce
While
replace
Property
required
required
Deep
some
Key
split
stub
transform
Maybe
Promise
type
Override
Incompatible
unpartial
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