fundamental-constants

Fundamental constants and enumerations.

Some of their values are commonly known, for example the HOURS_COUNT_IN_STELLAR_DAY is 24 and MAXIMAL_DAYS_IN_MONTH is 31. However, without being stored to the constants with clear names, it will be the magic numbers.

Installation

npm i fundamental-constants -E

Content

Computer Networking

Constant Name	Value
HTTP_DEFAULT_PORT	80
HTTPS_DEFAULT_PORT	443
NETWORK_PORT_MAXIMAL_VALUE	65535
NETWORK_PORT_MINIMAL_VALUE	1

Enumerations

HTTP_Methods

Key	Value
get	"GET"
post	"POST"
create	"CREATE"
put	"PUT"
delete	"DELETE"
options	"OPTIONS"
head	"HEAD"
connect	"CONNECT"
trace	"TRACE"
patch	"PATCH"

HTTP Status Codes

HTTP_StatusCodes — All HTTP Status Codes

Key	Value
continue	100
switchingProtocols	101
processing	102
earlyHints	103
OK	200
created	201
accepted	202
nonAuthoritativeInformation	203
noContent	204
resetContent	205
partialContent	206
multiStatus	207
alreadyReported	208
IM_Used	226
multipleChoices	300
movedPermanently	301
found	302
seeOther	303
notModified	304
useProxy	305
unused	306
temporaryRedirect	307
permanentRedirect	308
badRequest	400
unauthorized	401
paymentRequired	402
forbidden	403
notFound	404
methodNotAllowed	405
notAcceptable	406
proxyAuthenticationRequired	407
requestTimeout	408
conflict	409
gone	410
lengthRequired	411
preconditionFailed	412
payloadTooLarge	413
URI_TooLong	414
unsupportedMediaType	415
rangeNotSatisfiable	416
expectationFailed	417
IAmATeapot	418
misdirectedRequest	421
unprocessableEntity	422
locked	423
failedDependency	424
tooEarly	425
upgradeRequired	426
preconditionRequired	428
tooManyRequests	429
requestHeaderFieldsTooLarge	431
unavailableForLegalReasons	451
internalServerError	500
notImplemented	501
badGateway	502
serviceUnavailable	503
gatewayTimeout	504
HTTP_VersionNotSupported	505
variantAlsoNegotiates	506
insufficientStorage	507
loopDetected	508
notExtended	510
networkAuthenticationRequired	511

InformationalResponsesHTTP_StatusCodes — Information Responses

Key	Value
continue	100
switchingProtocols	101
processing	102
earlyHints	103

SuccessfulResponsesHTTP_StatusCodes — Successful Responses

Key	Value
OK	200
created	201
accepted	202
nonAuthoritativeInformation	203
noContent	204
resetContent	205
partialContent	206
multiStatus	207
alreadyReported	208
IM_Used	226

RedirectionResponsesHTTP_StatusCodes — Redirection Messages

Key	Value
multipleChoices	300
movedPermanently	301
found	302
seeOther	303
notModified	304
useProxy	305
unused	306
temporaryRedirect	307
permanentRedirect	308

ClientErrorsHTTP_StatusCodes — Client Error Responses

Key	Value
badRequest	400
unauthorized	401
paymentRequired	402
forbidden	403
notFound	404
methodNotAllowed	405
notAcceptable	406
proxyAuthenticationRequired	407
requestTimeout	408
conflict	409
gone	410
lengthRequired	411
preconditionFailed	412
payloadTooLarge	413
URI_TooLong	414
unsupportedMediaType	415
rangeNotSatisfiable	416
expectationFailed	417
IAmATeapot	418
misdirectedRequest	421
unprocessableEntity	422
locked	423
failedDependency	424
tooEarly	425
upgradeRequired	426
preconditionRequired	428
tooManyRequests	429
requestHeaderFieldsTooLarge	431
unavailableForLegalReasons	451

ServerErrorsHTTP_StatusCodes — Server Error Responses

Key	Value
internalServerError	500
notImplemented	501
badGateway	502
serviceUnavailable	503
gatewayTimeout	504
HTTP_VersionNotSupported	505
variantAlsoNegotiates	506
insufficientStorage	507
loopDetected	508
notExtended	510
networkAuthenticationRequired	511

DataTypes

IntegerDataTypes

Key	Value
OneByte\_\_8\_Bits	"1_BYTE__8_BITS"
TwoBytes\_\_16\_Bits	"2_BYTES__16_BITS"
ThreeBytes\_\_24\_Bits	"3_BYTES__24_BITS"
FourBytes\_\_32\_Bits	"4_BYTES__32_BITS"
EightBytes\_\_64\_Bits	"8_BYTES__64_BITS"

Date and Time

Constant name	Value
DAYS_COUNT_IN_WEEK	7
HOURS_COUNT_IN_STELLAR_DAY	24
MAXIMAL_DAYS_IN_MONTH	31
MAXIMAL_SUPPORTED_UNIX_MILLISECONDS_AMOUNT	8640000000000000
MINIMAL_SUPPORTED_UNIX_MILLISECONDS_AMOUNT	-8640000000000000
MINUTES_COUNT_IN_HOUR	60
MONTHS_COUNT_IN_YEAR	12
SECONDS_COUNT_IN_MINUTE	60

Enumerations

DaysOfWeekNames

Key	Value
sunday	"SUNDAY"
monday	"MONDAY"
tuesday	"TUESDAY"
wednesday	"WEDNESDAY"
thursday	"THURSDAY"
friday	"FRIDAY"
saturday	"SATURDAY"

MonthsNames

Key	Value
january	"JANUARY"
february	"FEBRUARY"
march	"MARCH"
april	"APRIL"
may	"MAY"
june	"JUNE"
july	"JULY"
august	"AUGUST"
september	"SEPTEMBER"
october	"OCTOBER"
november	"NOVEMBER"
december	"DECEMBER"

ISO8601

Constant name	Value
MAXIMAL_CHARACTERS_COUNT_IN_DATE_PART_OF_ISO8601_STRING	10
CHARACTERS_COUNT_IN_FULL_ISO8601_STRING	24

Email

Constant name	Value
EMAIL_ADDRESS_VALID_PATTERN	/^\w+(?:[.-]?\w+)*@\w+(?:[.-]?\w+)*(?:\.\w{2,3})+$/u
MINIMAL_CHARACTERS_COUNT_OF_EMAIL_ADDRESS	3