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: 74% (1220 functions)

done 6 modules

in progress 64 modules

todo 1 modules

deferred 41 modules

Core

Kernel in progress

77% progress 161 functions

Kernel.SpecialForms in progress

86% progress 23 functions

Module	Progress	Status	Functions
Kernel	77%	in progress	161
Kernel.SpecialForms	86%	in progress	23

Data Types

Atom done

100% progress 3 functions

Base in progress

70% progress 30 functions

Bitwise todo

0% progress 12 functions

Date in progress

72% progress 47 functions

DateTime in progress

68% progress 56 functions

Duration in progress

64% progress 8 functions

Exception in progress

66% progress 23 functions

Float in progress

67% progress 16 functions

Function in progress

25% progress 4 functions

Integer in progress

67% progress 19 functions

Module deferred

64% progress 35 functions

NaiveDateTime in progress

69% progress 46 functions

Record deferred

87% progress 8 functions

Regex in progress

60% progress 24 functions

String in progress

74% progress 76 functions

Time in progress

72% progress 37 functions

Tuple in progress

69% progress 7 functions

URI in progress

75% progress 24 functions

Version in progress

61% progress 9 functions

Version.Requirement in progress

64% progress 3 functions

Module	Progress	Status	Functions
Atom	100%	done	3
Base	70%	in progress	30
Bitwise	0%	todo	12
Date	72%	in progress	47
DateTime	68%	in progress	56
Duration	64%	in progress	8
Exception	66%	in progress	23
Float	67%	in progress	16
Function	25%	in progress	4
Integer	67%	in progress	19
Module	64%	deferred	35
NaiveDateTime	69%	in progress	46
Record	87%	deferred	8
Regex	60%	in progress	24
String	74%	in progress	76
Time	72%	in progress	37
Tuple	69%	in progress	7
URI	75%	in progress	24
Version	61%	in progress	9
Version.Requirement	64%	in progress	3

Collections & Enumerables

Access in progress

68% progress 16 functions

Date.Range done

100% progress 0 functions

Enum in progress

64% progress 112 functions

Keyword in progress

87% progress 50 functions

List in progress

73% progress 42 functions

Map in progress

75% progress 42 functions

MapSet in progress

63% progress 18 functions

Range in progress

64% progress 8 functions

Stream in progress

69% progress 53 functions

Module	Progress	Status	Functions
Access	68%	in progress	16
Date.Range	100%	done	0
Enum	64%	in progress	112
Keyword	87%	in progress	50
List	73%	in progress	42
Map	75%	in progress	42
MapSet	63%	in progress	18
Range	64%	in progress	8
Stream	69%	in progress	53

IO & System

File deferred

62% progress 83 functions

File.Stat deferred

64% progress 2 functions

File.Stream done

100% progress 0 functions

IO deferred

69% progress 32 functions

IO.ANSI deferred

65% progress 88 functions

IO.Stream done

100% progress 0 functions

OptionParser deferred

64% progress 13 functions

Path in progress

64% progress 24 functions

Port deferred

0% progress 11 functions

StringIO deferred

63% progress 9 functions

System deferred

47% progress 53 functions

Module	Progress	Status	Functions
File	62%	deferred	83
File.Stat	64%	deferred	2
File.Stream	100%	done	0
IO	69%	deferred	32
IO.ANSI	65%	deferred	88
IO.Stream	100%	done	0
OptionParser	64%	deferred	13
Path	64%	in progress	24
Port	0%	deferred	11
StringIO	63%	deferred	9
System	47%	deferred	53

Calendar

Calendar in progress

74% progress 6 functions

Calendar.ISO in progress

85% progress 50 functions

Calendar.TimeZoneDatabase done

100% progress 0 functions

Calendar.UTCOnlyTimeZoneDatabase done

100% progress 2 functions

Module	Progress	Status	Functions
Calendar	74%	in progress	6
Calendar.ISO	85%	in progress	50
Calendar.TimeZoneDatabase	100%	done	0
Calendar.UTCOnlyTimeZoneDatabase	100%	done	2

Processes & Applications

Agent deferred

58% progress 26 functions

Application deferred

55% progress 35 functions

Config deferred

60% progress 5 functions

Config.Provider deferred

61% progress 9 functions

Config.Reader deferred

52% progress 9 functions

DynamicSupervisor deferred

61% progress 18 functions

GenServer deferred

45% progress 18 functions

Node deferred

3% progress 24 functions

PartitionSupervisor deferred

54% progress 14 functions

Process deferred

4% progress 40 functions

Registry deferred

62% progress 28 functions

Supervisor deferred

54% progress 13 functions

Task deferred

58% progress 24 functions

Task.Supervisor deferred

60% progress 26 functions

Module	Progress	Status	Functions
Agent	58%	deferred	26
Application	55%	deferred	35
Config	60%	deferred	5
Config.Provider	61%	deferred	9
Config.Reader	52%	deferred	9
DynamicSupervisor	61%	deferred	18
GenServer	45%	deferred	18
Node	3%	deferred	24
PartitionSupervisor	54%	deferred	14
Process	4%	deferred	40
Registry	62%	deferred	28
Supervisor	54%	deferred	13
Task	58%	deferred	24
Task.Supervisor	60%	deferred	26

Protocols

Collectable in progress

66% progress 3 functions

Enumerable in progress

65% progress 6 functions

Inspect in progress

67% progress 3 functions

Inspect.Algebra in progress

93% progress 34 functions

Inspect.Opts in progress

56% progress 3 functions

List.Chars in progress

66% progress 4 functions

Protocol in progress

79% progress 9 functions

String.Chars in progress

67% progress 3 functions

Module	Progress	Status	Functions
Collectable	66%	in progress	3
Enumerable	65%	in progress	6
Inspect	67%	in progress	3
Inspect.Algebra	93%	in progress	34
Inspect.Opts	56%	in progress	3
List.Chars	66%	in progress	4
Protocol	79%	in progress	9
String.Chars	67%	in progress	3

Code & Macros

Code deferred

53% progress 73 functions

Code.Fragment deferred

57% progress 6 functions

Kernel.ParallelCompiler deferred

44% progress 13 functions

Macro deferred

72% progress 40 functions

Macro.Env deferred

79% progress 27 functions

Module	Progress	Status	Functions
Code	53%	deferred	73
Code.Fragment	57%	deferred	6
Kernel.ParallelCompiler	44%	deferred	13
Macro	72%	deferred	40
Macro.Env	79%	deferred	27

Exceptions

ArgumentError in progress

82% progress 2 functions

ArithmeticError in progress

76% progress 3 functions

BadArityError in progress

64% progress 2 functions

BadBooleanError in progress

64% progress 2 functions

BadFunctionError in progress

82% progress 2 functions

BadMapError in progress

82% progress 2 functions

CaseClauseError in progress

82% progress 2 functions

Code.LoadError deferred

82% progress 2 functions

CompileError deferred

64% progress 2 functions

CondClauseError in progress

82% progress 2 functions

Enum.EmptyError in progress

82% progress 2 functions

Enum.OutOfBoundsError in progress

82% progress 2 functions

ErlangError in progress

64% progress 3 functions

File.CopyError deferred

64% progress 2 functions

File.Error deferred

64% progress 2 functions

File.LinkError deferred

64% progress 2 functions

File.RenameError deferred

64% progress 2 functions

FunctionClauseError in progress

71% progress 4 functions

IO.StreamError deferred

82% progress 2 functions

Inspect.Error in progress

61% progress 3 functions

Kernel.TypespecError deferred

64% progress 2 functions

KeyError in progress

64% progress 3 functions

MatchError in progress

82% progress 2 functions

MismatchedDelimiterError deferred

61% progress 2 functions

OptionParser.ParseError deferred

82% progress 2 functions

Protocol.UndefinedError in progress

64% progress 2 functions

Regex.CompileError in progress

82% progress 2 functions

RuntimeError in progress

82% progress 2 functions

SyntaxError in progress

64% progress 2 functions

System.EnvError deferred

82% progress 2 functions

SystemLimitError in progress

82% progress 2 functions

TokenMissingError deferred

61% progress 2 functions

TryClauseError in progress

82% progress 2 functions

URI.Error in progress

64% progress 2 functions

UndefinedFunctionError in progress

63% progress 4 functions

UnicodeConversionError in progress

82% progress 2 functions

Version.InvalidRequirementError in progress

82% progress 2 functions

Version.InvalidVersionError in progress

82% progress 2 functions

WithClauseError in progress

82% progress 2 functions

Module	Progress	Status	Functions
ArgumentError	82%	in progress	2
ArithmeticError	76%	in progress	3
BadArityError	64%	in progress	2
BadBooleanError	64%	in progress	2
BadFunctionError	82%	in progress	2
BadMapError	82%	in progress	2
CaseClauseError	82%	in progress	2
Code.LoadError	82%	deferred	2
CompileError	64%	deferred	2
CondClauseError	82%	in progress	2
Enum.EmptyError	82%	in progress	2
Enum.OutOfBoundsError	82%	in progress	2
ErlangError	64%	in progress	3
File.CopyError	64%	deferred	2
File.Error	64%	deferred	2
File.LinkError	64%	deferred	2
File.RenameError	64%	deferred	2
FunctionClauseError	71%	in progress	4
IO.StreamError	82%	deferred	2
Inspect.Error	61%	in progress	3
Kernel.TypespecError	64%	deferred	2
KeyError	64%	in progress	3
MatchError	82%	in progress	2
MismatchedDelimiterError	61%	deferred	2
OptionParser.ParseError	82%	deferred	2
Protocol.UndefinedError	64%	in progress	2
Regex.CompileError	82%	in progress	2
RuntimeError	82%	in progress	2
SyntaxError	64%	in progress	2
System.EnvError	82%	deferred	2
SystemLimitError	82%	in progress	2
TokenMissingError	61%	deferred	2
TryClauseError	82%	in progress	2
URI.Error	64%	in progress	2
UndefinedFunctionError	63%	in progress	4
UnicodeConversionError	82%	in progress	2
Version.InvalidRequirementError	82%	in progress	2
Version.InvalidVersionError	82%	in progress	2
WithClauseError	82%	in progress	2