Looking for help transforming this schedules array to match the desired output. Any ideas?
let schedules = [
{day: 'Sunday', time: '5:00 PM'},
{day: 'Monday', time: '4:00 PM'},
{day: 'Monday', time: '12:00 PM'},
{day: 'Tuesday', time: '1:00 PM'}
]
let output = [
{day: 'Sunday', time: '5:00 PM'},
[
{day: 'Monday', time: '4:00 PM'},
{day: 'Monday', time: '12:00 PM'}
],
{day: 'Tuesday', time: '1:00 PM'}
]
To start, you can utilize the reduce() function to combine all objects into one and then use the map() function to extract an array of values.
let events = [
{day: 'Sunday', time: '5:00 PM'},
{day: 'Monday', time: '4:00 PM'},
{day: 'Monday', time: '12:00 PM'},
{day: 'Tuesday', time: '1:00 PM'}
]
var object = events.reduce(function(result, element) {
if (!result[element.day]) result[element.day] = element
else result[element.day] = Array.isArray(result[element.day]) ? result[element.day].concat(element) : [result[element.day]].concat(element)
return result;
}, {})
var output = Object.keys(object).map(day => object[day])
console.log(output)let meetings = [
{day: 'Sunday', time: '5:00 PM'},
{day: 'Monday', time: '4:00 PM'},
{day: 'Monday', time: '12:00 PM'},
{day: 'Tuesday', time: '1:00 PM'}
];
var calendar = {};
meetings.forEach(function(event){
calendar[event.day] = calendar[event.day] === undefined ? event : Array.isArray(calendar[event.day]) ? calendar[event.day].concat([event]) : [calendar[event.day]].concat([event]);
})
var finalSchedule = Object.values(calendar);
console.log(finalSchedule);Utilize the Reduce method to work with Object values
let appointments = [{
day: 'Wednesday',
time: '10:00 AM'
},
{
day: 'Thursday',
time: '9:00 AM'
},
{
day: 'Thursday',
time: '1:00 PM'
},
{
day: 'Friday',
time: '11:00 AM'
},
{
day: 'Saturday',
time: '2:00 PM'
}
]
var data = appointments.reduce((accumulator, item) => {
if (!accumulator[item.day]) {
accumulator[item.day] = item
} else if (Array.isArray(accumulator[item.day])) {
accumulator[item.day].push(item);
} else if (typeof accumulator[item.day] === 'object') {
accumulator[item.day] = [accumulator[item.day]]
accumulator[item.day].push(item)
}
return accumulator
}, {})
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