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: 88% (1242 functions)

done 9 modules

in progress 62 modules

todo 0 modules

deferred 41 modules

Core

Kernel in progress

90% progress 161 functions

Kernel.SpecialForms in progress

96% progress 23 functions

Module	Progress	Status	Functions
Kernel	90%	in progress	161
Kernel.SpecialForms	96%	in progress	23

Data Types

Atom done

100% progress 3 functions

Base in progress

85% progress 30 functions

Bitwise done

100% progress 12 functions

Date in progress

81% progress 47 functions

DateTime in progress

78% progress 56 functions

Duration in progress

79% progress 8 functions

Exception in progress

80% progress 23 functions

Float in progress

91% progress 16 functions

Function done

100% progress 4 functions

Integer in progress

95% progress 19 functions

Module deferred

78% progress 35 functions

NaiveDateTime in progress

79% progress 46 functions

Record deferred

94% progress 8 functions

Regex in progress

76% progress 24 functions

String in progress

92% progress 76 functions

Time in progress

80% progress 37 functions

Tuple done

100% progress 7 functions

URI in progress

89% progress 24 functions

Version in progress

80% progress 9 functions

Version.Requirement in progress

78% progress 3 functions

Module	Progress	Status	Functions
Atom	100%	done	3
Base	85%	in progress	30
Bitwise	100%	done	12
Date	81%	in progress	47
DateTime	78%	in progress	56
Duration	79%	in progress	8
Exception	80%	in progress	23
Float	91%	in progress	16
Function	100%	done	4
Integer	95%	in progress	19
Module	78%	deferred	35
NaiveDateTime	79%	in progress	46
Record	94%	deferred	8
Regex	76%	in progress	24
String	92%	in progress	76
Time	80%	in progress	37
Tuple	100%	done	7
URI	89%	in progress	24
Version	80%	in progress	9
Version.Requirement	78%	in progress	3

Collections & Enumerables

Access in progress

81% progress 16 functions

Date.Range done

100% progress 0 functions

Enum in progress

78% progress 112 functions

Keyword in progress

93% progress 50 functions

List in progress

98% progress 42 functions

Map in progress

96% progress 42 functions

MapSet in progress

78% progress 18 functions

Range in progress

78% progress 8 functions

Stream in progress

81% progress 53 functions

Module	Progress	Status	Functions
Access	81%	in progress	16
Date.Range	100%	done	0
Enum	78%	in progress	112
Keyword	93%	in progress	50
List	98%	in progress	42
Map	96%	in progress	42
MapSet	78%	in progress	18
Range	78%	in progress	8
Stream	81%	in progress	53

IO & System

File deferred

76% progress 83 functions

File.Stat deferred

78% progress 2 functions

File.Stream done

100% progress 0 functions

IO deferred

81% progress 32 functions

IO.ANSI deferred

79% progress 88 functions

IO.Stream done

100% progress 0 functions

OptionParser deferred

82% progress 13 functions

Path in progress

79% progress 24 functions

Port deferred

0% progress 11 functions

StringIO deferred

79% progress 9 functions

System deferred

69% progress 53 functions

Module	Progress	Status	Functions
File	76%	deferred	83
File.Stat	78%	deferred	2
File.Stream	100%	done	0
IO	81%	deferred	32
IO.ANSI	79%	deferred	88
IO.Stream	100%	done	0
OptionParser	82%	deferred	13
Path	79%	in progress	24
Port	0%	deferred	11
StringIO	79%	deferred	9
System	69%	deferred	53

Calendar

Calendar in progress

81% progress 6 functions

Calendar.ISO in progress

90% progress 50 functions

Calendar.TimeZoneDatabase done

100% progress 0 functions

Calendar.UTCOnlyTimeZoneDatabase done

100% progress 2 functions

Module	Progress	Status	Functions
Calendar	81%	in progress	6
Calendar.ISO	90%	in progress	50
Calendar.TimeZoneDatabase	100%	done	0
Calendar.UTCOnlyTimeZoneDatabase	100%	done	2

Processes & Applications

Agent deferred

75% progress 26 functions

Application deferred

61% progress 35 functions

Config deferred

77% progress 5 functions

Config.Provider deferred

77% progress 9 functions

Config.Reader deferred

75% progress 9 functions

DynamicSupervisor deferred

76% progress 18 functions

GenServer deferred

58% progress 18 functions

Node deferred

9% progress 24 functions

PartitionSupervisor deferred

72% progress 14 functions

Process deferred

4% progress 40 functions

Registry deferred

76% progress 28 functions

Supervisor deferred

73% progress 13 functions

Task deferred

73% progress 24 functions

Task.Supervisor deferred

75% progress 26 functions

Module	Progress	Status	Functions
Agent	75%	deferred	26
Application	61%	deferred	35
Config	77%	deferred	5
Config.Provider	77%	deferred	9
Config.Reader	75%	deferred	9
DynamicSupervisor	76%	deferred	18
GenServer	58%	deferred	18
Node	9%	deferred	24
PartitionSupervisor	72%	deferred	14
Process	4%	deferred	40
Registry	76%	deferred	28
Supervisor	73%	deferred	13
Task	73%	deferred	24
Task.Supervisor	75%	deferred	26

Protocols

Collectable in progress

77% progress 3 functions

Enumerable in progress

78% progress 6 functions

Inspect in progress

77% progress 3 functions

Inspect.Algebra in progress

97% progress 34 functions

Inspect.Opts in progress

79% progress 3 functions

List.Chars in progress

78% progress 4 functions

Protocol in progress

87% progress 9 functions

String.Chars in progress

77% progress 3 functions

Module	Progress	Status	Functions
Collectable	77%	in progress	3
Enumerable	78%	in progress	6
Inspect	77%	in progress	3
Inspect.Algebra	97%	in progress	34
Inspect.Opts	79%	in progress	3
List.Chars	78%	in progress	4
Protocol	87%	in progress	9
String.Chars	77%	in progress	3

Code & Macros

Code deferred

69% progress 73 functions

Code.Fragment deferred

80% progress 6 functions

Kernel.ParallelCompiler deferred

66% progress 13 functions

Macro deferred

82% progress 40 functions

Macro.Env deferred

84% progress 27 functions

Module	Progress	Status	Functions
Code	69%	deferred	73
Code.Fragment	80%	deferred	6
Kernel.ParallelCompiler	66%	deferred	13
Macro	82%	deferred	40
Macro.Env	84%	deferred	27

Exceptions

ArgumentError in progress

89% progress 2 functions

ArithmeticError in progress

85% progress 3 functions

BadArityError in progress

78% progress 2 functions

BadBooleanError in progress

78% progress 2 functions

BadFunctionError in progress

89% progress 2 functions

BadMapError in progress

89% progress 2 functions

CaseClauseError in progress

89% progress 2 functions

Code.LoadError deferred

89% progress 2 functions

CompileError deferred

79% progress 2 functions

CondClauseError in progress

89% progress 2 functions

Enum.EmptyError in progress

89% progress 2 functions

Enum.OutOfBoundsError in progress

89% progress 2 functions

ErlangError in progress

78% progress 3 functions

File.CopyError deferred

78% progress 2 functions

File.Error deferred

78% progress 2 functions

File.LinkError deferred

78% progress 2 functions

File.RenameError deferred

78% progress 2 functions

FunctionClauseError in progress

78% progress 4 functions

IO.StreamError deferred

89% progress 2 functions

Inspect.Error in progress

80% progress 3 functions

Kernel.TypespecError deferred

79% progress 2 functions

KeyError in progress

79% progress 3 functions

MatchError in progress

89% progress 2 functions

MismatchedDelimiterError deferred

80% progress 2 functions

OptionParser.ParseError deferred

89% progress 2 functions

Protocol.UndefinedError in progress

78% progress 2 functions

Regex.CompileError in progress

89% progress 2 functions

RuntimeError in progress

89% progress 2 functions

SyntaxError in progress

78% progress 2 functions

System.EnvError deferred

89% progress 2 functions

SystemLimitError in progress

89% progress 2 functions

TokenMissingError deferred

80% progress 2 functions

TryClauseError in progress

89% progress 2 functions

URI.Error in progress

78% progress 2 functions

UndefinedFunctionError in progress

80% progress 4 functions

UnicodeConversionError in progress

89% progress 2 functions

Version.InvalidRequirementError in progress

89% progress 2 functions

Version.InvalidVersionError in progress

89% progress 2 functions

WithClauseError in progress

89% progress 2 functions

Module	Progress	Status	Functions
ArgumentError	89%	in progress	2
ArithmeticError	85%	in progress	3
BadArityError	78%	in progress	2
BadBooleanError	78%	in progress	2
BadFunctionError	89%	in progress	2
BadMapError	89%	in progress	2
CaseClauseError	89%	in progress	2
Code.LoadError	89%	deferred	2
CompileError	79%	deferred	2
CondClauseError	89%	in progress	2
Enum.EmptyError	89%	in progress	2
Enum.OutOfBoundsError	89%	in progress	2
ErlangError	78%	in progress	3
File.CopyError	78%	deferred	2
File.Error	78%	deferred	2
File.LinkError	78%	deferred	2
File.RenameError	78%	deferred	2
FunctionClauseError	78%	in progress	4
IO.StreamError	89%	deferred	2
Inspect.Error	80%	in progress	3
Kernel.TypespecError	79%	deferred	2
KeyError	79%	in progress	3
MatchError	89%	in progress	2
MismatchedDelimiterError	80%	deferred	2
OptionParser.ParseError	89%	deferred	2
Protocol.UndefinedError	78%	in progress	2
Regex.CompileError	89%	in progress	2
RuntimeError	89%	in progress	2
SyntaxError	78%	in progress	2
System.EnvError	89%	deferred	2
SystemLimitError	89%	in progress	2
TokenMissingError	80%	deferred	2
TryClauseError	89%	in progress	2
URI.Error	78%	in progress	2
UndefinedFunctionError	80%	in progress	4
UnicodeConversionError	89%	in progress	2
Version.InvalidRequirementError	89%	in progress	2
Version.InvalidVersionError	89%	in progress	2
WithClauseError	89%	in progress	2