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date-format
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node.js formatting of Date objects as strings. Probably exactly the same as some other library out there.
npm install date-format
var format = require('date-format');
format.asString(); // defaults to ISO8601 format and current date
format.asString(new Date()); // defaults to ISO8601 format
format.asString('hh:mm:ss.SSS', new Date()); // just the time
format.asString(format.ISO8601_WITH_TZ_OFFSET_FORMAT, new Date()); // in ISO8601 with timezone
or
var format = require('date-format');
format(); // defaults to ISO8601 format and current date
format(new Date()); // defaults to ISO8601 format
format('hh:mm:ss.SSS', new Date()); // just the time
format(format.ISO8601_WITH_TZ_OFFSET_FORMAT, new Date()); // in ISO8601 with timezone
output:
2017-03-14T14:10:20.391
2017-03-14T14:10:20.391
14:10:20.391
2017-03-14T14:10:20.391+11:00
Format string can be anything, but the following letters will be replaced (and leading zeroes added if necessary):
date.getDate()
date.getMonth() + 1
date.getFullYear().toString().substring(2, 4)
date.getFullYear()
date.getHours()
date.getMinutes()
date.getSeconds()
date.getMilliseconds()
Built-in formats:
format.ISO8601_FORMAT
- 2017-03-14T14:10:20.391
(local time used)format.ISO8601_WITH_TZ_OFFSET_FORMAT
- 2017-03-14T14:10:20.391+11:00
(local + TZ used)format.DATETIME_FORMAT
- 14 03 2017 14:10:20.391
(local time used)format.ABSOLUTETIME_FORMAT
- 14:10:20.391
(local time used)The date format library has limited ability to parse strings into dates. It can convert strings created using date format patterns (as above), but if you're looking for anything more sophisticated than that you should probably look for a better library (momentjs does pretty much everything).
var format = require('date-format');
// pass in the format of the string as first argument
format.parse(format.ISO8601_FORMAT, '2017-03-14T14:10:20.391');
format.parse(format.ISO8601_WITH_TZ_OFFSET_FORMAT, '2017-03-14T14:10:20.391+1100');
format.parse(format.ISO8601_WITH_TZ_OFFSET_FORMAT, '2017-03-14T14:10:20.391+11:00');
format.parse(format.ISO8601_WITH_TZ_OFFSET_FORMAT, '2017-03-14T03:10:20.391Z');
// returns Date
FAQs
Formatting Date objects as strings since 2013
The npm package date-format receives a total of 3,717,613 weekly downloads. As such, date-format popularity was classified as popular.
We found that date-format demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 2 open source maintainers collaborating on the project.
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