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days-interval

v0.1.0

Published

Manipulation with date periods: intersection, splitting etc.

Downloads

6

Vulnerabilities

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  • 0Low

Links

Git

Maintainers

magomogomagomogo

Keywords

datesdaysintervalrangeintersectionsplit

Readme

Days interval

Build Status

Manipulation with date periods: intersection, splitting etc.

Axiom

Days interval has always its first and last day included.

API

interval.create('YYYY-MM-DD', 'YYYY-MM-DD');

Creates new interval data structure:

{firstDay: 'YYYY-MM-DD', lastDay: 'YYYY-MM-DD'}

interval.intersection(one, another);

Creates new interval as intersection of given two. Returns undefined if intervals have no intersection.

interval.split(baseInterval, splitterInterval)

Creates array of intervals as parts of baseInterval divided by splitterInterval.

baseInterval:       ______bbbbbbbb________
splitterInterval:   ________ssss__________
result:             ______11______________
                    ________2222__________
                    ____________33________

interval.succession([intervals]);

Creates array of intervals. Resulting intervals include all days of source intervals, but have no intersections.

source: ______1111111______
        _________222_______
        _________33333_____
        _________________44

result: ______111__________
        _________222_______
        ____________3______
        _____________4_____
        _________________55

interval.adjacent([firstDays])

Creates array of adjacent intervals defined by set of its first days.

source:  ___d____d______d__

result: ____11111__________
        _________22222222__

Last day in set will be the last day of last interval. First and last days can be ±Infinity

Contributing

Start npm run tdd and enjoy!