Client Runtime > Elixir Standard Library

Elixir Standard Library

Browse Elixir standard library modules organized by category to see their client runtime coverage.
Each module shows overall implementation progress based on how many of its underlying Erlang dependencies have been ported to JavaScript.
Click any module to explore detailed function-level support.

Progress: 92% (1303 functions)

done 9 modules

in progress 64 modules

todo 0 modules

deferred 42 modules

Core

Kernel in progress

92% progress 161 functions

Kernel.SpecialForms in progress

96% progress 23 functions

Module	Progress	Status	Functions
Kernel	92%	in progress	161
Kernel.SpecialForms	96%	in progress	23

Data Types

Atom done

100% progress 3 functions

Base in progress

91% progress 40 functions

Bitwise done

100% progress 12 functions

Date in progress

87% progress 47 functions

DateTime in progress

85% progress 56 functions

Duration in progress

85% progress 10 functions

Exception in progress

89% progress 23 functions

Float in progress

93% progress 16 functions

Function done

100% progress 4 functions

Integer in progress

97% progress 19 functions

JSON in progress

88% progress 8 functions

Module deferred

84% progress 35 functions

NaiveDateTime in progress

85% progress 46 functions

Record deferred

96% progress 8 functions

Regex in progress

87% progress 26 functions

String in progress

94% progress 77 functions

Time in progress

87% progress 38 functions

Tuple done

100% progress 7 functions

URI in progress

92% progress 24 functions

Version in progress

85% progress 9 functions

Version.Requirement in progress

85% progress 3 functions

Module	Progress	Status	Functions
Atom	100%	done	3
Base	91%	in progress	40
Bitwise	100%	done	12
Date	87%	in progress	47
DateTime	85%	in progress	56
Duration	85%	in progress	10
Exception	89%	in progress	23
Float	93%	in progress	16
Function	100%	done	4
Integer	97%	in progress	19
JSON	88%	in progress	8
Module	84%	deferred	35
NaiveDateTime	85%	in progress	46
Record	96%	deferred	8
Regex	87%	in progress	26
String	94%	in progress	77
Time	87%	in progress	38
Tuple	100%	done	7
URI	92%	in progress	24
Version	85%	in progress	9
Version.Requirement	85%	in progress	3

Collections & Enumerables

Access in progress

87% progress 17 functions

Date.Range done

100% progress 0 functions

Enum in progress

85% progress 114 functions

Keyword in progress

95% progress 50 functions

List in progress

99% progress 43 functions

Map in progress

97% progress 42 functions

MapSet in progress

85% progress 18 functions

Range in progress

85% progress 8 functions

Stream in progress

87% progress 53 functions

Module	Progress	Status	Functions
Access	87%	in progress	17
Date.Range	100%	done	0
Enum	85%	in progress	114
Keyword	95%	in progress	50
List	99%	in progress	43
Map	97%	in progress	42
MapSet	85%	in progress	18
Range	85%	in progress	8
Stream	87%	in progress	53

IO & System

File deferred

82% progress 83 functions

File.Stat deferred

85% progress 2 functions

File.Stream done

100% progress 0 functions

IO deferred

86% progress 32 functions

IO.ANSI deferred

86% progress 90 functions

IO.Stream done

100% progress 0 functions

OptionParser deferred

86% progress 13 functions

Path in progress

86% progress 24 functions

Port deferred

0% progress 11 functions

StringIO deferred

83% progress 9 functions

System deferred

80% progress 53 functions

Module	Progress	Status	Functions
File	82%	deferred	83
File.Stat	85%	deferred	2
File.Stream	100%	done	0
IO	86%	deferred	32
IO.ANSI	86%	deferred	90
IO.Stream	100%	done	0
OptionParser	86%	deferred	13
Path	86%	in progress	24
Port	0%	deferred	11
StringIO	83%	deferred	9
System	80%	deferred	53

Calendar

Calendar in progress

84% progress 6 functions

Calendar.ISO in progress

95% progress 60 functions

Calendar.TimeZoneDatabase done

100% progress 0 functions

Calendar.UTCOnlyTimeZoneDatabase done

100% progress 2 functions

Module	Progress	Status	Functions
Calendar	84%	in progress	6
Calendar.ISO	95%	in progress	60
Calendar.TimeZoneDatabase	100%	done	0
Calendar.UTCOnlyTimeZoneDatabase	100%	done	2

Processes & Applications

Agent deferred

78% progress 26 functions

Application deferred

66% progress 35 functions

Config deferred

83% progress 6 functions

Config.Provider deferred

85% progress 9 functions

Config.Reader deferred

81% progress 9 functions

DynamicSupervisor deferred

80% progress 18 functions

GenServer deferred

60% progress 18 functions

Node deferred

16% progress 24 functions

PartitionSupervisor deferred

75% progress 15 functions

Process deferred

5% progress 40 functions

Registry deferred

82% progress 29 functions

Supervisor deferred

76% progress 13 functions

Task deferred

78% progress 24 functions

Task.Supervisor deferred

81% progress 26 functions

Module	Progress	Status	Functions
Agent	78%	deferred	26
Application	66%	deferred	35
Config	83%	deferred	6
Config.Provider	85%	deferred	9
Config.Reader	81%	deferred	9
DynamicSupervisor	80%	deferred	18
GenServer	60%	deferred	18
Node	16%	deferred	24
PartitionSupervisor	75%	deferred	15
Process	5%	deferred	40
Registry	82%	deferred	29
Supervisor	76%	deferred	13
Task	78%	deferred	24
Task.Supervisor	81%	deferred	26

Protocols

Collectable in progress

90% progress 3 functions

Enumerable in progress

88% progress 6 functions

Inspect in progress

95% progress 3 functions

Inspect.Algebra in progress

96% progress 40 functions

Inspect.Opts in progress

84% progress 3 functions

List.Chars in progress

89% progress 4 functions

Protocol in progress

91% progress 9 functions

String.Chars in progress

90% progress 3 functions

Module	Progress	Status	Functions
Collectable	90%	in progress	3
Enumerable	88%	in progress	6
Inspect	95%	in progress	3
Inspect.Algebra	96%	in progress	40
Inspect.Opts	84%	in progress	3
List.Chars	89%	in progress	4
Protocol	91%	in progress	9
String.Chars	90%	in progress	3

Code & Macros

Code deferred

75% progress 73 functions

Code.Fragment deferred

87% progress 7 functions

Kernel.ParallelCompiler deferred

70% progress 13 functions

Macro deferred

84% progress 42 functions

Macro.Env deferred

87% progress 27 functions

Module	Progress	Status	Functions
Code	75%	deferred	73
Code.Fragment	87%	deferred	7
Kernel.ParallelCompiler	70%	deferred	13
Macro	84%	deferred	42
Macro.Env	87%	deferred	27

Exceptions

ArgumentError in progress

93% progress 2 functions

ArithmeticError in progress

90% progress 3 functions

BadArityError in progress

85% progress 2 functions

BadBooleanError in progress

85% progress 2 functions

BadFunctionError in progress

93% progress 2 functions

BadMapError in progress

85% progress 2 functions

CaseClauseError in progress

85% progress 2 functions

Code.LoadError deferred

93% progress 2 functions

CompileError deferred

85% progress 2 functions

CondClauseError in progress

93% progress 2 functions

Enum.EmptyError in progress

93% progress 2 functions

Enum.OutOfBoundsError in progress

85% progress 3 functions

ErlangError in progress

87% progress 3 functions

File.CopyError deferred

85% progress 2 functions

File.Error deferred

85% progress 2 functions

File.LinkError deferred

85% progress 2 functions

File.RenameError deferred

85% progress 2 functions

FunctionClauseError in progress

88% progress 4 functions

IO.StreamError deferred

93% progress 2 functions

Inspect.Error in progress

85% progress 3 functions

JSON.DecodeError in progress

93% progress 2 functions

Kernel.TypespecError deferred

85% progress 2 functions

KeyError in progress

85% progress 3 functions

MatchError in progress

85% progress 2 functions

MismatchedDelimiterError deferred

86% progress 2 functions

MissingApplicationsError deferred

85% progress 2 functions

OptionParser.ParseError deferred

93% progress 2 functions

Protocol.UndefinedError in progress

85% progress 2 functions

Regex.CompileError in progress

93% progress 2 functions

RuntimeError in progress

93% progress 2 functions

SyntaxError in progress

84% progress 2 functions

System.EnvError deferred

93% progress 2 functions

SystemLimitError in progress

93% progress 2 functions

TokenMissingError deferred

85% progress 2 functions

TryClauseError in progress

85% progress 2 functions

URI.Error in progress

85% progress 2 functions

UndefinedFunctionError in progress

85% progress 5 functions

UnicodeConversionError in progress

93% progress 2 functions

Version.InvalidRequirementError in progress

93% progress 2 functions

Version.InvalidVersionError in progress

93% progress 2 functions

WithClauseError in progress

85% progress 2 functions

Module	Progress	Status	Functions
ArgumentError	93%	in progress	2
ArithmeticError	90%	in progress	3
BadArityError	85%	in progress	2
BadBooleanError	85%	in progress	2
BadFunctionError	93%	in progress	2
BadMapError	85%	in progress	2
CaseClauseError	85%	in progress	2
Code.LoadError	93%	deferred	2
CompileError	85%	deferred	2
CondClauseError	93%	in progress	2
Enum.EmptyError	93%	in progress	2
Enum.OutOfBoundsError	85%	in progress	3
ErlangError	87%	in progress	3
File.CopyError	85%	deferred	2
File.Error	85%	deferred	2
File.LinkError	85%	deferred	2
File.RenameError	85%	deferred	2
FunctionClauseError	88%	in progress	4
IO.StreamError	93%	deferred	2
Inspect.Error	85%	in progress	3
JSON.DecodeError	93%	in progress	2
Kernel.TypespecError	85%	deferred	2
KeyError	85%	in progress	3
MatchError	85%	in progress	2
MismatchedDelimiterError	86%	deferred	2
MissingApplicationsError	85%	deferred	2
OptionParser.ParseError	93%	deferred	2
Protocol.UndefinedError	85%	in progress	2
Regex.CompileError	93%	in progress	2
RuntimeError	93%	in progress	2
SyntaxError	84%	in progress	2
System.EnvError	93%	deferred	2
SystemLimitError	93%	in progress	2
TokenMissingError	85%	deferred	2
TryClauseError	85%	in progress	2
URI.Error	85%	in progress	2
UndefinedFunctionError	85%	in progress	5
UnicodeConversionError	93%	in progress	2
Version.InvalidRequirementError	93%	in progress	2
Version.InvalidVersionError	93%	in progress	2
WithClauseError	85%	in progress	2