Utils class

General-purpose helpers shared by extension methods and package consumers.

Constructors

Utils()

Properties

hashCode → int
The hash code for this object.
no setterinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited

Static Properties

today → DateTime
Current date (same as DateTime.now()).
no setter
tomorrow → DateTime
Tomorrow at same hour / minute / second than now
no setter
yesterday → DateTime
Yesterday at same hour / minute / second than now
no setter

Static Methods

areListsEqual(List list1, List list2) → bool
Compare two lists for equality.
areMapsEqual(Map map1, Map map2) → bool
Compare two maps for equality.
daysInRange(DateTime start, DateTime end) → Iterable<DateTime>
Returns a DateTime for each day the given range.
debounce(void action(), {Duration delay = const Duration(milliseconds: 300)}) → void Function()
Debounces repeated calls and runs only the latest action.
deepEquals(dynamic value1, dynamic value2) → bool
Deep equality for lists, maps, and primitive values.
deepMerge<K>(Map<K, dynamic> target, Map<K, dynamic> source) → Map<K, dynamic>
Deep merges source into target.
fastUUID({String prefix = "", bool withDashes = true}) → String
Generate fast uuid with supports for prefix and with dashes or not
futureAll(Iterable<Future> futures, {void onProgress(int, int, Map<int, dynamic>)?, void onAnySuccess(dynamic, int)?, void onAnyError(Object, StackTrace, int)?, int delayMillis = 0}) → Future<List>
Waits for all futures and returns results in the original order.
isEmpty(dynamic value) → bool
is null or empty for Map, String, Iterable
isToday(DateTime date) → bool
Returns true if is today, otherwise false
isTomorrow(DateTime date) → bool
Returns true if is tomorrow, otherwise false
isYesterday(int current) → bool
Returns true if is yesterday, otherwise false
pickup<T>(dynamic target, String keywordsStr) → List<T>
pickup target attributes for Map, List
queryString(Map<String, dynamic> parameters) → String
Returns a query string built from parameters.
randomString(int length, {String chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'}) → String
Generate a random string.
removeNullValues(dynamic value) → dynamic
Removes null values from maps and lists recursively.
retry<T>(Future<T> action(), {int retries = 3, Duration delay = Duration.zero, bool retryIf(Object error)?}) → Future<T>
Retries an async action until it succeeds or retries is exhausted.
throttle(void action(), {Duration duration = const Duration(milliseconds: 300)}) → void Function()
Throttles repeated calls to at most once per duration.
tryJsonDecode(String? value) → dynamic
Returns value when it can be JSON-decoded, otherwise null.
tryJsonEncode(dynamic value) → String?
Returns a JSON string, or null when value cannot be encoded.
unique<T>(List<T>? q1, [List<T>? q2]) → List<T>
unique for int, String, double List