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% (1243 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

83% progress 30 functions

Bitwise done

100% progress 12 functions

Date in progress

81% progress 47 functions

DateTime in progress

77% progress 56 functions

Duration in progress

75% progress 8 functions

Exception in progress

77% 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

75% progress 35 functions

NaiveDateTime in progress

77% progress 46 functions

Record deferred

93% progress 8 functions

Regex in progress

80% 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

88% progress 24 functions

Version in progress

77% progress 9 functions

Version.Requirement in progress

92% progress 3 functions

Module	Progress	Status	Functions
Atom	100%	done	3
Base	83%	in progress	30
Bitwise	100%	done	12
Date	81%	in progress	47
DateTime	77%	in progress	56
Duration	75%	in progress	8
Exception	77%	in progress	23
Float	91%	in progress	16
Function	100%	done	4
Integer	95%	in progress	19
Module	75%	deferred	35
NaiveDateTime	77%	in progress	46
Record	93%	deferred	8
Regex	80%	in progress	24
String	92%	in progress	76
Time	80%	in progress	37
Tuple	100%	done	7
URI	88%	in progress	24
Version	77%	in progress	9
Version.Requirement	92%	in progress	3

Collections & Enumerables

Access in progress

78% progress 16 functions

Date.Range done

100% progress 0 functions

Enum in progress

75% progress 112 functions

Keyword in progress

92% progress 50 functions

List in progress

98% progress 42 functions

Map in progress

95% progress 42 functions

MapSet in progress

95% progress 18 functions

Range in progress

88% progress 8 functions

Stream in progress

78% progress 53 functions

Module	Progress	Status	Functions
Access	78%	in progress	16
Date.Range	100%	done	0
Enum	75%	in progress	112
Keyword	92%	in progress	50
List	98%	in progress	42
Map	95%	in progress	42
MapSet	95%	in progress	18
Range	88%	in progress	8
Stream	78%	in progress	53

IO & System

File deferred

73% progress 83 functions

File.Stat deferred

88% progress 2 functions

File.Stream done

100% progress 0 functions

IO deferred

80% progress 32 functions

IO.ANSI deferred

76% progress 88 functions

IO.Stream done

100% progress 0 functions

OptionParser deferred

77% progress 13 functions

Path in progress

76% progress 24 functions

Port deferred

0% progress 11 functions

StringIO deferred

74% progress 9 functions

System deferred

67% progress 53 functions

Module	Progress	Status	Functions
File	73%	deferred	83
File.Stat	88%	deferred	2
File.Stream	100%	done	0
IO	80%	deferred	32
IO.ANSI	76%	deferred	88
IO.Stream	100%	done	0
OptionParser	77%	deferred	13
Path	76%	in progress	24
Port	0%	deferred	11
StringIO	74%	deferred	9
System	67%	deferred	53

Calendar

Calendar in progress

79% 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	79%	in progress	6
Calendar.ISO	92%	in progress	50
Calendar.TimeZoneDatabase	100%	done	0
Calendar.UTCOnlyTimeZoneDatabase	100%	done	2

Processes & Applications

Agent deferred

68% progress 26 functions

Application deferred

60% progress 35 functions

Config deferred

61% progress 5 functions

Config.Provider deferred

73% progress 9 functions

Config.Reader deferred

65% progress 9 functions

DynamicSupervisor deferred

72% progress 18 functions

GenServer deferred

58% progress 18 functions

Node deferred

9% progress 24 functions

PartitionSupervisor deferred

64% progress 14 functions

Process deferred

4% progress 40 functions

Registry deferred

70% progress 28 functions

Supervisor deferred

70% progress 13 functions

Task deferred

63% progress 24 functions

Task.Supervisor deferred

64% progress 26 functions

Module	Progress	Status	Functions
Agent	68%	deferred	26
Application	60%	deferred	35
Config	61%	deferred	5
Config.Provider	73%	deferred	9
Config.Reader	65%	deferred	9
DynamicSupervisor	72%	deferred	18
GenServer	58%	deferred	18
Node	9%	deferred	24
PartitionSupervisor	64%	deferred	14
Process	4%	deferred	40
Registry	70%	deferred	28
Supervisor	70%	deferred	13
Task	63%	deferred	24
Task.Supervisor	64%	deferred	26

Protocols

Collectable in progress

73% progress 3 functions

Enumerable in progress

75% progress 6 functions

Inspect in progress

71% progress 3 functions

Inspect.Algebra in progress

98% progress 34 functions

Inspect.Opts in progress

70% progress 3 functions

List.Chars in progress

75% progress 4 functions

Protocol in progress

86% progress 9 functions

String.Chars in progress

74% progress 3 functions

Module	Progress	Status	Functions
Collectable	73%	in progress	3
Enumerable	75%	in progress	6
Inspect	71%	in progress	3
Inspect.Algebra	98%	in progress	34
Inspect.Opts	70%	in progress	3
List.Chars	75%	in progress	4
Protocol	86%	in progress	9
String.Chars	74%	in progress	3

Code & Macros

Code deferred

63% progress 73 functions

Code.Fragment deferred

76% progress 6 functions

Kernel.ParallelCompiler deferred

55% progress 13 functions

Macro deferred

79% progress 40 functions

Macro.Env deferred

83% progress 27 functions

Module	Progress	Status	Functions
Code	63%	deferred	73
Code.Fragment	76%	deferred	6
Kernel.ParallelCompiler	55%	deferred	13
Macro	79%	deferred	40
Macro.Env	83%	deferred	27

Exceptions

ArgumentError in progress

88% progress 2 functions

ArithmeticError in progress

83% progress 3 functions

BadArityError in progress

75% progress 2 functions

BadBooleanError in progress

75% 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

75% 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

83% progress 3 functions

File.CopyError deferred

75% progress 2 functions

File.Error deferred

75% progress 2 functions

File.LinkError deferred

75% progress 2 functions

File.RenameError deferred

75% progress 2 functions

FunctionClauseError in progress

79% progress 4 functions

IO.StreamError deferred

88% progress 2 functions

Inspect.Error in progress

75% progress 3 functions

Kernel.TypespecError deferred

75% progress 2 functions

KeyError in progress

75% 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

75% progress 2 functions

Regex.CompileError in progress

88% progress 2 functions

RuntimeError in progress

88% progress 2 functions

SyntaxError in progress

75% progress 2 functions

System.EnvError deferred

88% progress 2 functions

SystemLimitError in progress

88% progress 2 functions

TokenMissingError deferred

75% progress 2 functions

TryClauseError in progress

88% progress 2 functions

URI.Error in progress

75% 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	83%	in progress	3
BadArityError	75%	in progress	2
BadBooleanError	75%	in progress	2
BadFunctionError	88%	in progress	2
BadMapError	88%	in progress	2
CaseClauseError	88%	in progress	2
Code.LoadError	88%	deferred	2
CompileError	75%	deferred	2
CondClauseError	88%	in progress	2
Enum.EmptyError	88%	in progress	2
Enum.OutOfBoundsError	88%	in progress	2
ErlangError	83%	in progress	3
File.CopyError	75%	deferred	2
File.Error	75%	deferred	2
File.LinkError	75%	deferred	2
File.RenameError	75%	deferred	2
FunctionClauseError	79%	in progress	4
IO.StreamError	88%	deferred	2
Inspect.Error	75%	in progress	3
Kernel.TypespecError	75%	deferred	2
KeyError	75%	in progress	3
MatchError	88%	in progress	2
MismatchedDelimiterError	76%	deferred	2
OptionParser.ParseError	88%	deferred	2
Protocol.UndefinedError	75%	in progress	2
Regex.CompileError	88%	in progress	2
RuntimeError	88%	in progress	2
SyntaxError	75%	in progress	2
System.EnvError	88%	deferred	2
SystemLimitError	88%	in progress	2
TokenMissingError	75%	deferred	2
TryClauseError	88%	in progress	2
URI.Error	75%	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