pure_extensions 2.0.1

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

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.

Color

Extensions color code we thank "TinyColor"

String

Command	Description
ifEmpty	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...

num

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

Iterable

Command	Description
nullIfEmpty	returns null or if it is empty returns true.
replaces	replace the old elements contained in the map with new ones.
without	Returns a iterable without bad elements.
joinBy	Concatenates the elements given by function.
joinElement	Concatenates the elements.
tryFirst	Returns the first element if it exists otherwise null.
tryLast	Returns the last element if it exists otherwise null.
containsAll	Returns true if the specified value is equal to at least one element.
groupBy	Splits a list into sub-lists stored in an object, based on the result.
generateMap	Generate the map by collection.

Iterable<num/int/double/BigInt/Rational>

Command	Description
sumAll	Calculate the sum of all numbers in the collection
subtractAll	Calculate the subtraction of all numbers in the collection
divideAll	Calculate the division of all numbers in the collection
multiplyAll	Calculate the multiplication of all numbers in the collection
sum	Sum [number] to all items in the collection
subtract	Subtract [number] to all items in the collection
divide	Divide [number] to all items in the collection
multiply	Multiply [number] to all items in the collection
average	Calculate the average of all numbers in the collection

Iterable<MapEntry<K, V>> (BUILT)

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.

Iterable<Future

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

Iterable

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.

Map<K, V> (BUILT)

Command	Description
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 the predicate [test].
firstWhere	Returns the first entry that satisfies the given predicate [test].
lastWhere	Returns the last entry that satisfies the given predicate [test].
tryFirst	Returns the first entry if it exists otherwise null.
tryLast	Returns the last 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.

DateTime

See time package

Command	Description
DateTime.copyWithPosition

Stream

Command	Description
distinctRuntimeType	Stream.distinct] by [T.runtimeType].
listenValueChanges	Hear how the specified value changes over time from its previous value.

Built

Class	Description
GeoPointSerializer	Serializer for [GeoPoint] Type
LocaleSerializer	Serializer for the [Locale] type
ByPassSerializer	Serializer that does not serialize and deserialize the specified type [T]

Serializers

Command	Description
serializeAll	Serialize the collection of objects
serializeAllWith	Serialize the collection of objects using [Serializer].
deserializeAll	Deserialize the collection of objects.
deserializeAllWith	Deserialize the collection of objects using [Serializer].