pure_extensions 5.0.0

Published Aug 12, 2025

SDKdartflutter

Platformandroidioswindowslinuxmacosweb

It adds utility extensions to the dart classes and adds some utility classes, builders.

Dart Extensions

Adds several extensions

class	Description
GeoPoint	Defines a geographical point.
GeoBounds	A latitude/longitude aligned rectangle.
CompositeMapSubscription	Acts as a map for multiple subscriptions that can be canceled at once.
ReadableFile	Implement a multi platform interface to be able to read a file.
DurationBuilder	Builder for [Duration]
DateTimeBuilder	Builder for [DateTime]
UriBuilder	Builder for [Uri]

Extensions color code we thank "TinyColor"

See recase for many other extensions

Command	Description
ifEmpty(() => 'text')	if string is empty returns a 'text' otherwise return string
isBlank	if string is empty or contains only space returns true otherwise returns false
ifBlank(() => 'text')	if string is empty or contains only space returns 'text' otherwise returns string
more methods... please complete this list...

They are extended with the methods of the 'math' package

See collection for many others extensions

Command	Description
nullIfEmpty	returns null or if it is empty returns true.
replaces	replace the old elements contained in the map with new ones.
whereNotContains	Returns a iterable without bad elements.
joinBy	Concatenates the elements given by function.
joinElement	Concatenates the elements.
containsEvery	Checks whether every element of this iterable is in [other] iterable.
containsAny	Checks whether any element of this iterable is in [other] iterable.
groupBy	Splits a list into sub-lists stored in an object, based on the result.
generateMap	Generate the map by collection.
elementAtOrNull	Returns the [index]th element or null if it not exist.

Command	Description
sum	Calculate the sum of all numbers in the collection
average	Calculate the average of all numbers in the collection
subtract	Calculate the subtraction of all numbers in the collection
divide	Calculate the division of all numbers in the collection
multiply	Calculate the multiplication of all numbers in the collection
sumAllBy	Sum [number] to all items in the collection
subtractAllBy	Subtract [number] to all items in the collection
divideAllBy	Divide [number] to all items in the collection
multiplyAllBy	Multiply [number] to all items in the collection

Command	Description
toMap	Convert the collection of entries into a [Map].
toMapList	Grouping the results in list according to key.
keys	Returns only the keys.
values	Returns only the values.

Command	Description
waitFutures	same as [Future.wait] method
anyFutures	same as [Future.any] method

Command	Description
center	Calculate a center.
northeast	Calculate the northeast corner.
southwest	Calculate the southwest corner.
internalBounds	Calculate the internal corners.
externalBounds	Calculate the external corners.

Command	Description
whereNotNull	Returns [Map] without null keys and values.
generateIterable<K, V>(T Function(K key, V value) generator)	returns a List from entries
where	Returns a new map with all entries that satisfy [test].
firstWhere	Returns the first entry that satisfies [test].
lastWhere	Returns the last entry that satisfies [test].
singleWhere	Returns the single element that satisfies [test].
firstOrNull	Returns the first entry if it exists otherwise null.
lastOrNull	Returns the last entry if it exists otherwise null.
singleOrNull	Returns the single entry if it exists otherwise null.
reduce	Reduces a map to a single value by iteratively combining entries.
every	Checks whether every entry of this map satisfies [test].
any	Checks whether any entry of this map satisfies [test].
fold	Reduces a map to a single value by iteratively combining entries.
get	Returns the value [key].
getOrNull	Returns the value [key] or null if it not exist.

Command	Description
DateTime.copyWithPosition

Command	Description
days	Human days representation (0 -> ...)
hours	Human hours representation (0 -> 24)
minutes	Human minutes representation (0 -> 59)
seconds	Human seconds representation (0 -> 59)
milliseconds	Human milliseconds representation (0 -> 999)
microseconds	Human microseconds representation (0 -> 999)
copyWith	Copy this with new values
toBuilder	Converts this in builder
rebuild	Update this by [DurationBuilder]

Command	Description
asStream	returns itself with the [Stream] type.
asBroadcast	returns a broadcast stream without wrapping it unnecessarily.
onTrackedErrorResume	It is similar to [Rx.OnErrorExtensions.onErrorResume] but with [StackTrace].
onTrackedErrorReturnWith	It is similar to [Rx.OnErrorExtensions.onErrorReturnWith] but with [StackTrace].
distinctRuntimeType	Stream.distinct] by [T.runtimeType].
distinctRuntimeType	Stream.distinct] by [T.runtimeType].
whereNotNull