prev-day

Get the previous occurance of a day of the week, eg: last Thursday

Installation

npm install --save prev-day

Usage

var prevDay = require('prev-day');
// get previous Monday
prevDay(new Date(), 1); // returns { date: [Date] , daySince: 4 }
                                            ^ date object    ^ day since prev Monday

// or equivalent to
prevDay(new Date(), prevDay.Monday);