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: 87% (1234 functions)

done 9 modules

in progress 62 modules

todo 0 modules

deferred 41 modules

Core

Kernel in progress

88% progress 161 functions

Kernel.SpecialForms in progress

86% progress 23 functions

Module	Progress	Status	Functions
Kernel	88%	in progress	161
Kernel.SpecialForms	86%	in progress	23

Data Types

Atom done

100% progress 3 functions

Base in progress

84% progress 30 functions

Bitwise done

100% progress 12 functions

Date in progress

83% progress 47 functions

DateTime in progress

79% progress 56 functions

Duration in progress

76% progress 8 functions

Exception in progress

77% progress 23 functions

Float in progress

90% progress 16 functions

Function done

100% progress 4 functions

Integer in progress

95% progress 19 functions

Module deferred

76% progress 35 functions

NaiveDateTime in progress

80% progress 46 functions

Record deferred

93% progress 8 functions

Regex in progress

75% progress 24 functions

String in progress

91% progress 76 functions

Time in progress

82% progress 37 functions

Tuple done

100% progress 7 functions

URI in progress

85% progress 24 functions

Version in progress

76% progress 9 functions

Version.Requirement in progress

76% progress 3 functions

Module	Progress	Status	Functions
Atom	100%	done	3
Base	84%	in progress	30
Bitwise	100%	done	12
Date	83%	in progress	47
DateTime	79%	in progress	56
Duration	76%	in progress	8
Exception	77%	in progress	23
Float	90%	in progress	16
Function	100%	done	4
Integer	95%	in progress	19
Module	76%	deferred	35
NaiveDateTime	80%	in progress	46
Record	93%	deferred	8
Regex	75%	in progress	24
String	91%	in progress	76
Time	82%	in progress	37
Tuple	100%	done	7
URI	85%	in progress	24
Version	76%	in progress	9
Version.Requirement	76%	in progress	3

Collections & Enumerables

Access in progress

79% progress 16 functions

Date.Range done

100% progress 0 functions

Enum in progress

76% progress 112 functions

Keyword in progress

92% progress 50 functions

List in progress

98% progress 42 functions

Map in progress

96% progress 42 functions

MapSet in progress

76% progress 18 functions

Range in progress

76% progress 8 functions

Stream in progress

79% progress 53 functions

Module	Progress	Status	Functions
Access	79%	in progress	16
Date.Range	100%	done	0
Enum	76%	in progress	112
Keyword	92%	in progress	50
List	98%	in progress	42
Map	96%	in progress	42
MapSet	76%	in progress	18
Range	76%	in progress	8
Stream	79%	in progress	53

IO & System

File deferred

74% progress 83 functions

File.Stat deferred

76% progress 2 functions

File.Stream done

100% progress 0 functions

IO deferred

78% progress 32 functions

IO.ANSI deferred

77% progress 88 functions

IO.Stream done

100% progress 0 functions

OptionParser deferred

77% progress 13 functions

Path in progress

77% progress 24 functions

Port deferred

0% progress 11 functions

StringIO deferred

75% progress 9 functions

System deferred

67% progress 53 functions

Module	Progress	Status	Functions
File	74%	deferred	83
File.Stat	76%	deferred	2
File.Stream	100%	done	0
IO	78%	deferred	32
IO.ANSI	77%	deferred	88
IO.Stream	100%	done	0
OptionParser	77%	deferred	13
Path	77%	in progress	24
Port	0%	deferred	11
StringIO	75%	deferred	9
System	67%	deferred	53

Calendar

Calendar in progress

83% progress 6 functions

Calendar.ISO in progress

92% progress 50 functions

Calendar.TimeZoneDatabase done

100% progress 0 functions

Calendar.UTCOnlyTimeZoneDatabase done

100% progress 2 functions

Module	Progress	Status	Functions
Calendar	83%	in progress	6
Calendar.ISO	92%	in progress	50
Calendar.TimeZoneDatabase	100%	done	0
Calendar.UTCOnlyTimeZoneDatabase	100%	done	2

Processes & Applications

Agent deferred

69% progress 26 functions

Application deferred

62% progress 35 functions

Config deferred

74% progress 5 functions

Config.Provider deferred

73% progress 9 functions

Config.Reader deferred

73% progress 9 functions

DynamicSupervisor deferred

72% progress 18 functions

GenServer deferred

55% progress 18 functions

Node deferred

9% progress 24 functions

PartitionSupervisor deferred

66% progress 14 functions

Process deferred

4% progress 40 functions

Registry deferred

74% progress 28 functions

Supervisor deferred

67% progress 13 functions

Task deferred

70% progress 24 functions

Task.Supervisor deferred

72% progress 26 functions

Module	Progress	Status	Functions
Agent	69%	deferred	26
Application	62%	deferred	35
Config	74%	deferred	5
Config.Provider	73%	deferred	9
Config.Reader	73%	deferred	9
DynamicSupervisor	72%	deferred	18
GenServer	55%	deferred	18
Node	9%	deferred	24
PartitionSupervisor	66%	deferred	14
Process	4%	deferred	40
Registry	74%	deferred	28
Supervisor	67%	deferred	13
Task	70%	deferred	24
Task.Supervisor	72%	deferred	26

Protocols

Collectable in progress

76% progress 3 functions

Enumerable in progress

76% progress 6 functions

Inspect in progress

76% progress 3 functions

Inspect.Algebra in progress

96% progress 34 functions

Inspect.Opts in progress

75% progress 3 functions

List.Chars in progress

77% progress 4 functions

Protocol in progress

87% progress 9 functions

String.Chars in progress

76% progress 3 functions

Module	Progress	Status	Functions
Collectable	76%	in progress	3
Enumerable	76%	in progress	6
Inspect	76%	in progress	3
Inspect.Algebra	96%	in progress	34
Inspect.Opts	75%	in progress	3
List.Chars	77%	in progress	4
Protocol	87%	in progress	9
String.Chars	76%	in progress	3

Code & Macros

Code deferred

67% progress 73 functions

Code.Fragment deferred

77% progress 6 functions

Kernel.ParallelCompiler deferred

63% progress 13 functions

Macro deferred

81% progress 40 functions

Macro.Env deferred

84% progress 27 functions

Module	Progress	Status	Functions
Code	67%	deferred	73
Code.Fragment	77%	deferred	6
Kernel.ParallelCompiler	63%	deferred	13
Macro	81%	deferred	40
Macro.Env	84%	deferred	27

Exceptions

ArgumentError in progress

88% progress 2 functions

ArithmeticError in progress

84% progress 3 functions

BadArityError in progress

76% progress 2 functions

BadBooleanError in progress

76% progress 2 functions

BadFunctionError in progress

88% progress 2 functions

BadMapError in progress

88% progress 2 functions

CaseClauseError in progress

88% progress 2 functions

Code.LoadError deferred

88% progress 2 functions

CompileError deferred

76% progress 2 functions

CondClauseError in progress

88% progress 2 functions

Enum.EmptyError in progress

88% progress 2 functions

Enum.OutOfBoundsError in progress

88% progress 2 functions

ErlangError in progress

76% progress 3 functions

File.CopyError deferred

76% progress 2 functions

File.Error deferred

76% progress 2 functions

File.LinkError deferred

76% progress 2 functions

File.RenameError deferred

76% progress 2 functions

FunctionClauseError in progress

82% progress 4 functions

IO.StreamError deferred

88% progress 2 functions

Inspect.Error in progress

75% progress 3 functions

Kernel.TypespecError deferred

76% progress 2 functions

KeyError in progress

76% progress 3 functions

MatchError in progress

88% progress 2 functions

MismatchedDelimiterError deferred

76% progress 2 functions

OptionParser.ParseError deferred

88% progress 2 functions

Protocol.UndefinedError in progress

76% progress 2 functions

Regex.CompileError in progress

88% progress 2 functions

RuntimeError in progress

88% progress 2 functions

SyntaxError in progress

76% progress 2 functions

System.EnvError deferred

88% progress 2 functions

SystemLimitError in progress

88% progress 2 functions

TokenMissingError deferred

76% progress 2 functions

TryClauseError in progress

88% progress 2 functions

URI.Error in progress

76% progress 2 functions

UndefinedFunctionError in progress

76% progress 4 functions

UnicodeConversionError in progress

88% progress 2 functions

Version.InvalidRequirementError in progress

88% progress 2 functions

Version.InvalidVersionError in progress

88% progress 2 functions

WithClauseError in progress

88% progress 2 functions

Module	Progress	Status	Functions
ArgumentError	88%	in progress	2
ArithmeticError	84%	in progress	3
BadArityError	76%	in progress	2
BadBooleanError	76%	in progress	2
BadFunctionError	88%	in progress	2
BadMapError	88%	in progress	2
CaseClauseError	88%	in progress	2
Code.LoadError	88%	deferred	2
CompileError	76%	deferred	2
CondClauseError	88%	in progress	2
Enum.EmptyError	88%	in progress	2
Enum.OutOfBoundsError	88%	in progress	2
ErlangError	76%	in progress	3
File.CopyError	76%	deferred	2
File.Error	76%	deferred	2
File.LinkError	76%	deferred	2
File.RenameError	76%	deferred	2
FunctionClauseError	82%	in progress	4
IO.StreamError	88%	deferred	2
Inspect.Error	75%	in progress	3
Kernel.TypespecError	76%	deferred	2
KeyError	76%	in progress	3
MatchError	88%	in progress	2
MismatchedDelimiterError	76%	deferred	2
OptionParser.ParseError	88%	deferred	2
Protocol.UndefinedError	76%	in progress	2
Regex.CompileError	88%	in progress	2
RuntimeError	88%	in progress	2
SyntaxError	76%	in progress	2
System.EnvError	88%	deferred	2
SystemLimitError	88%	in progress	2
TokenMissingError	76%	deferred	2
TryClauseError	88%	in progress	2
URI.Error	76%	in progress	2
UndefinedFunctionError	76%	in progress	4
UnicodeConversionError	88%	in progress	2
Version.InvalidRequirementError	88%	in progress	2
Version.InvalidVersionError	88%	in progress	2
WithClauseError	88%	in progress	2