L class abstract

Logger

Cross-platform html/io Logger with simple API. No need to create an object. Just import and use. Simple and w/o boilerplate. Work with native console.

When there is no direct access to the terminal, it works through print.

Key features

Method	Description
s	A shout is always displayed
v1, v	Regular message with verbose level 1
e	Error message with verbose level 1
v2, vv	Regular message with verbose level 2
w	Warning message with verbose level 2
v3, vvv	Regular message with verbose level 3
i, <	Inform message with verbose level 3
v4, vvvv	Regular message with verbose level 4
d, <<	Debug message with verbose level 4
v5, vvvvv	Regular message with verbose level 5
v6, vvvvvv	Regular message with verbose level 6

Integration capabilities

Method	Description
listen	Broadcast stream receiving logs.

!!! PLEASE, DO NOT LOG SENSITIVE INFORMATION !!!

Inheritance

• Object
• Stream<LogMessage>
• L

Annotations

• @immutable
• @sealed

Constructors

L()

Properties

first → Future<LogMessage>

The first element of this stream.

no setter, inherited

hashCode → int

The hash code for this object.

no setter, inherited

isBroadcast → bool

Whether this stream is a broadcast stream.

no setter, inherited

isEmpty → Future<bool>

Whether this stream contains any elements.

no setter, inherited

last → Future<LogMessage>

The last element of this stream.

no setter, inherited

length → Future<int>

The number of elements in this stream.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

single → Future<LogMessage>

The single element of this stream.

no setter, inherited

Methods

any(bool test(LogMessage element)) → Future<bool>

Checks whether test accepts any element provided by this stream.

inherited

asBroadcastStream({void onListen(StreamSubscription<LogMessage> subscription)?, void onCancel(StreamSubscription<LogMessage> subscription)?}) → Stream<LogMessage>

Returns a multi-subscription stream that produces the same events as this.

inherited

asyncExpand<E>(Stream<E>? convert(LogMessage event)) → Stream<E>

Transforms each element into a sequence of asynchronous events.

inherited

asyncMap<E>(FutureOr<E> convert(LogMessage event)) → Stream<E>

Creates a new stream with each data event of this stream asynchronously mapped to a new event.

inherited

capture<R extends Object?>(R body(), [LogOptions? logOptions]) → R

Set logger options for this zone The custom handler can intercept print operations and redirect them to l.d output

cast<R>() → Stream<R>

Adapt this stream to be a Stream<R>.

inherited

contains(Object? needle) → Future<bool>

Returns whether needle occurs in the elements provided by this stream.

inherited

d(Object message) → void

Debug message with verbose level 4

distinct([bool equals(LogMessage previous, LogMessage next)?]) → Stream<LogMessage>

Skips data events if they are equal to the previous data event.

inherited

drain<E>([E? futureValue]) → Future<E>

Discards all data on this stream, but signals when it is done or an error occurred.

inherited

e(Object message, [StackTrace? stackTrace]) → void

Error message with verbose level 1

elementAt(int index) → Future<LogMessage>

Returns the value of the indexth data event of this stream.

inherited

every(bool test(LogMessage element)) → Future<bool>

Checks whether test accepts all elements provided by this stream.

inherited

expand<S>(Iterable<S> convert(LogMessage element)) → Stream<S>

Transforms each element of this stream into a sequence of elements.

inherited

firstWhere(bool test(LogMessage element), {LogMessage orElse()?}) → Future<LogMessage>

Finds the first element of this stream matching test.

inherited

fold<S>(S initialValue, S combine(S previous, LogMessage element)) → Future<S>

Combines a sequence of values by repeatedly applying combine.

inherited

forEach(void action(LogMessage element)) → Future<void>

Executes action on each element of this stream.

inherited

handleError(Function onError, {bool test(dynamic error)?}) → Stream<LogMessage>

Creates a wrapper Stream that intercepts some errors from this stream.

inherited

i(Object message) → void

Inform message with verbose level 3

join([String separator = ""]) → Future<String>

Combines the string representation of elements into a single string.

inherited

lastWhere(bool test(LogMessage element), {LogMessage orElse()?}) → Future<LogMessage>

Finds the last element in this stream matching test.

inherited

listen(void onData(LogMessage event)?, {Function? onError, void onDone()?, bool? cancelOnError}) → StreamSubscription<LogMessage>

Adds a subscription to this stream.

inherited

map<S>(S convert(LogMessage event)) → Stream<S>

Transforms each element of this stream into a new stream event.

inherited

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

pipe(StreamConsumer<LogMessage> streamConsumer) → Future

Pipes the events of this stream into streamConsumer.

inherited

reduce(LogMessage combine(LogMessage previous, LogMessage element)) → Future<LogMessage>

Combines a sequence of values by repeatedly applying combine.

inherited

s(Object message) → void

A shout message is always displayed

singleWhere(bool test(LogMessage element), {LogMessage orElse()?}) → Future<LogMessage>

Finds the single element in this stream matching test.

inherited

skip(int count) → Stream<LogMessage>

Skips the first count data events from this stream.

inherited

skipWhile(bool test(LogMessage element)) → Stream<LogMessage>

Skip data events from this stream while they are matched by test.

inherited

take(int count) → Stream<LogMessage>

Provides at most the first count data events of this stream.

inherited

takeWhile(bool test(LogMessage element)) → Stream<LogMessage>

Forwards data events while test is successful.

inherited

timeout(Duration timeLimit, {void onTimeout(EventSink<LogMessage> sink)?}) → Stream<LogMessage>

Creates a new stream with the same events as this stream.

inherited

toList() → Future<List<LogMessage>>

Collects all elements of this stream in a List.

inherited

toSet() → Future<Set<LogMessage>>

Collects the data of this stream in a Set.

inherited

toString() → String

A string representation of this object.

inherited

transform<S>(StreamTransformer<LogMessage, S> streamTransformer) → Stream<S>

Applies streamTransformer to this stream.

inherited

v(Object message) → void

Regular message with verbose level 1

v1(Object message) → void

Regular message with verbose level 1

v2(Object message) → void

Regular message with verbose level 2

v3(Object message) → void

Regular message with verbose level 3

v4(Object message) → void

Regular message with verbose level 4

v5(Object message) → void

Regular message with verbose level 5

v6(Object message) → void

Regular message with verbose level 6

vv(Object message) → void

Regular message with verbose level 2

vvv(Object message) → void

Regular message with verbose level 3

vvvv(Object message) → void

Regular message with verbose level 4

vvvvv(Object message) → void

Regular message with verbose level 5

vvvvvv(Object message) → void

Regular message with verbose level 6

w(Object message, [StackTrace? stackTrace]) → void

Warning message with verbose level 2

where(bool test(LogMessage event)) → Stream<LogMessage>

Creates a new stream from this stream that discards some elements.

inherited

Operators

operator <(Object info) → void

Add Inform message with verbose level 3

operator <<(Object debug) → void

Add Debug message with verbose level 4

operator ==(Object other) → bool

The equality operator.

inherited