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: 79% (1226 functions)

done 6 modules

in progress 65 modules

todo 0 modules

deferred 41 modules

Core

Kernel in progress

83% progress 161 functions

Kernel.SpecialForms in progress

86% progress 23 functions

Module	Progress	Status	Functions
Kernel	83%	in progress	161
Kernel.SpecialForms	86%	in progress	23

Data Types

Atom done

100% progress 3 functions

Base in progress

76% progress 30 functions

Bitwise in progress

67% progress 12 functions

Date in progress

76% progress 47 functions

DateTime in progress

72% progress 56 functions

Duration in progress

69% progress 8 functions

Exception in progress

71% progress 23 functions

Float in progress

73% progress 16 functions

Function in progress

25% progress 4 functions

Integer in progress

93% progress 19 functions

Module deferred

68% progress 35 functions

NaiveDateTime in progress

73% progress 46 functions

Record deferred

88% progress 8 functions

Regex in progress

68% progress 24 functions

String in progress

81% progress 76 functions

Time in progress

76% progress 37 functions

Tuple in progress

76% progress 7 functions

URI in progress

78% progress 24 functions

Version in progress

67% progress 9 functions

Version.Requirement in progress

69% progress 3 functions

Module	Progress	Status	Functions
Atom	100%	done	3
Base	76%	in progress	30
Bitwise	67%	in progress	12
Date	76%	in progress	47
DateTime	72%	in progress	56
Duration	69%	in progress	8
Exception	71%	in progress	23
Float	73%	in progress	16
Function	25%	in progress	4
Integer	93%	in progress	19
Module	68%	deferred	35
NaiveDateTime	73%	in progress	46
Record	88%	deferred	8
Regex	68%	in progress	24
String	81%	in progress	76
Time	76%	in progress	37
Tuple	76%	in progress	7
URI	78%	in progress	24
Version	67%	in progress	9
Version.Requirement	69%	in progress	3

Collections & Enumerables

Access in progress

72% progress 16 functions

Date.Range done

100% progress 0 functions

Enum in progress

69% progress 112 functions

Keyword in progress

89% progress 50 functions

List in progress

76% progress 42 functions

Map in progress

83% progress 42 functions

MapSet in progress

69% progress 18 functions

Range in progress

69% progress 8 functions

Stream in progress

73% progress 53 functions

Module	Progress	Status	Functions
Access	72%	in progress	16
Date.Range	100%	done	0
Enum	69%	in progress	112
Keyword	89%	in progress	50
List	76%	in progress	42
Map	83%	in progress	42
MapSet	69%	in progress	18
Range	69%	in progress	8
Stream	73%	in progress	53

IO & System

File deferred

67% progress 83 functions

File.Stat deferred

69% progress 2 functions

File.Stream done

100% progress 0 functions

IO deferred

73% progress 32 functions

IO.ANSI deferred

70% progress 88 functions

IO.Stream done

100% progress 0 functions

OptionParser deferred

69% progress 13 functions

Path in progress

69% progress 24 functions

Port deferred

0% progress 11 functions

StringIO deferred

69% progress 9 functions

System deferred

50% progress 53 functions

Module	Progress	Status	Functions
File	67%	deferred	83
File.Stat	69%	deferred	2
File.Stream	100%	done	0
IO	73%	deferred	32
IO.ANSI	70%	deferred	88
IO.Stream	100%	done	0
OptionParser	69%	deferred	13
Path	69%	in progress	24
Port	0%	deferred	11
StringIO	69%	deferred	9
System	50%	deferred	53

Calendar

Calendar in progress

78% progress 6 functions

Calendar.ISO in progress

89% progress 50 functions

Calendar.TimeZoneDatabase done

100% progress 0 functions

Calendar.UTCOnlyTimeZoneDatabase done

100% progress 2 functions

Module	Progress	Status	Functions
Calendar	78%	in progress	6
Calendar.ISO	89%	in progress	50
Calendar.TimeZoneDatabase	100%	done	0
Calendar.UTCOnlyTimeZoneDatabase	100%	done	2

Processes & Applications

Agent deferred

64% progress 26 functions

Application deferred

59% progress 35 functions

Config deferred

66% progress 5 functions

Config.Provider deferred

66% progress 9 functions

Config.Reader deferred

60% progress 9 functions

DynamicSupervisor deferred

67% progress 18 functions

GenServer deferred

49% progress 18 functions

Node deferred

3% progress 24 functions

PartitionSupervisor deferred

60% progress 14 functions

Process deferred

4% progress 40 functions

Registry deferred

67% progress 28 functions

Supervisor deferred

61% progress 13 functions

Task deferred

62% progress 24 functions

Task.Supervisor deferred

66% progress 26 functions

Module	Progress	Status	Functions
Agent	64%	deferred	26
Application	59%	deferred	35
Config	66%	deferred	5
Config.Provider	66%	deferred	9
Config.Reader	60%	deferred	9
DynamicSupervisor	67%	deferred	18
GenServer	49%	deferred	18
Node	3%	deferred	24
PartitionSupervisor	60%	deferred	14
Process	4%	deferred	40
Registry	67%	deferred	28
Supervisor	61%	deferred	13
Task	62%	deferred	24
Task.Supervisor	66%	deferred	26

Protocols

Collectable in progress

71% progress 3 functions

Enumerable in progress

70% progress 6 functions

Inspect in progress

71% progress 3 functions

Inspect.Algebra in progress

94% progress 34 functions

Inspect.Opts in progress

62% progress 3 functions

List.Chars in progress

71% progress 4 functions

Protocol in progress

82% progress 9 functions

String.Chars in progress

71% progress 3 functions

Module	Progress	Status	Functions
Collectable	71%	in progress	3
Enumerable	70%	in progress	6
Inspect	71%	in progress	3
Inspect.Algebra	94%	in progress	34
Inspect.Opts	62%	in progress	3
List.Chars	71%	in progress	4
Protocol	82%	in progress	9
String.Chars	71%	in progress	3

Code & Macros

Code deferred

59% progress 73 functions

Code.Fragment deferred

65% progress 6 functions

Kernel.ParallelCompiler deferred

51% progress 13 functions

Macro deferred

78% progress 40 functions

Macro.Env deferred

80% progress 27 functions

Module	Progress	Status	Functions
Code	59%	deferred	73
Code.Fragment	65%	deferred	6
Kernel.ParallelCompiler	51%	deferred	13
Macro	78%	deferred	40
Macro.Env	80%	deferred	27

Exceptions

ArgumentError in progress

85% progress 2 functions

ArithmeticError in progress

79% progress 3 functions

BadArityError in progress

69% progress 2 functions

BadBooleanError in progress

69% progress 2 functions

BadFunctionError in progress

85% progress 2 functions

BadMapError in progress

85% progress 2 functions

CaseClauseError in progress

85% progress 2 functions

Code.LoadError deferred

85% progress 2 functions

CompileError deferred

69% progress 2 functions

CondClauseError in progress

85% progress 2 functions

Enum.EmptyError in progress

85% progress 2 functions

Enum.OutOfBoundsError in progress

85% progress 2 functions

ErlangError in progress

69% progress 3 functions

File.CopyError deferred

69% progress 2 functions

File.Error deferred

69% progress 2 functions

File.LinkError deferred

69% progress 2 functions

File.RenameError deferred

69% progress 2 functions

FunctionClauseError in progress

75% progress 4 functions

IO.StreamError deferred

85% progress 2 functions

Inspect.Error in progress

66% progress 3 functions

Kernel.TypespecError deferred

69% progress 2 functions

KeyError in progress

69% progress 3 functions

MatchError in progress

85% progress 2 functions

MismatchedDelimiterError deferred

66% progress 2 functions

OptionParser.ParseError deferred

85% progress 2 functions

Protocol.UndefinedError in progress

69% progress 2 functions

Regex.CompileError in progress

85% progress 2 functions

RuntimeError in progress

85% progress 2 functions

SyntaxError in progress

69% progress 2 functions

System.EnvError deferred

85% progress 2 functions

SystemLimitError in progress

85% progress 2 functions

TokenMissingError deferred

66% progress 2 functions

TryClauseError in progress

85% progress 2 functions

URI.Error in progress

69% progress 2 functions

UndefinedFunctionError in progress

68% progress 4 functions

UnicodeConversionError in progress

85% progress 2 functions

Version.InvalidRequirementError in progress

85% progress 2 functions

Version.InvalidVersionError in progress

85% progress 2 functions

WithClauseError in progress

85% progress 2 functions

Module	Progress	Status	Functions
ArgumentError	85%	in progress	2
ArithmeticError	79%	in progress	3
BadArityError	69%	in progress	2
BadBooleanError	69%	in progress	2
BadFunctionError	85%	in progress	2
BadMapError	85%	in progress	2
CaseClauseError	85%	in progress	2
Code.LoadError	85%	deferred	2
CompileError	69%	deferred	2
CondClauseError	85%	in progress	2
Enum.EmptyError	85%	in progress	2
Enum.OutOfBoundsError	85%	in progress	2
ErlangError	69%	in progress	3
File.CopyError	69%	deferred	2
File.Error	69%	deferred	2
File.LinkError	69%	deferred	2
File.RenameError	69%	deferred	2
FunctionClauseError	75%	in progress	4
IO.StreamError	85%	deferred	2
Inspect.Error	66%	in progress	3
Kernel.TypespecError	69%	deferred	2
KeyError	69%	in progress	3
MatchError	85%	in progress	2
MismatchedDelimiterError	66%	deferred	2
OptionParser.ParseError	85%	deferred	2
Protocol.UndefinedError	69%	in progress	2
Regex.CompileError	85%	in progress	2
RuntimeError	85%	in progress	2
SyntaxError	69%	in progress	2
System.EnvError	85%	deferred	2
SystemLimitError	85%	in progress	2
TokenMissingError	66%	deferred	2
TryClauseError	85%	in progress	2
URI.Error	69%	in progress	2
UndefinedFunctionError	68%	in progress	4
UnicodeConversionError	85%	in progress	2
Version.InvalidRequirementError	85%	in progress	2
Version.InvalidVersionError	85%	in progress	2
WithClauseError	85%	in progress	2