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.
npm i fundamental-constants -E
| Constant name |
Value |
HTTP_DEFAULT_PORT |
80 |
HTTPS_DEFAULT_PORT |
443 |
NETWORK_PORT_MAXIMAL_VALUE |
65535 |
NETWORK_PORT_MINIMAL_VALUE |
1 |
| Constant name |
Value |
DAYS_COUNT_IN_WEEK |
7 |
HOURS_COUNT_IN_STELLAR_DAY |
24 |
MAXIMAL_DAYS_IN_MONTH |
31 |
MINUTES_COUNT_IN_HOUR |
60 |
MONTHS_COUNT_IN_YEAR |
12 |
SECONDS_COUNT_IN_MINUTE |
60 |
| Key |
Value |
| sunday |
"SUNDAY" |
| monday |
"MONDAY" |
| tuesday |
"TUESDAY" |
| wednesday |
"WEDNESDAY" |
| thursday |
"THURSDAY" |
| friday |
"FRIDAY" |
| saturday |
"SATURDAY" |
| 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" |
| Constant name |
Value |
CHARACTERS_COUNT_IN_DATE_PART_OF_ISO8601_STRING |
10 |
CHARACTERS_COUNT_IN_FULL_ISO8601_STRING |
24 |
| Constant name |
Value |
EMAIL_ADDRESS_VALID_PATTERN |
/^\w+(?:[.-]?\w+)*@\w+(?:[.-]?\w+)*(?:\.\w{2,3})+$/u |
MINIMAL_CHARACTERS_COUNT_OF_EMAIL_ADDRESS |
3 |
