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Map an object with Object.keys and Array.prototype.reduce
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| const weekDays = { | |
| monday: "Monday", | |
| tuesday: "Tuesday", | |
| wednesday: "Wednesday", | |
| thursday: "Thursday", | |
| friday: "Friday" | |
| }; | |
| const mappedWeekDays = Object.keys(weekDays).reduce((mapper, day) => { | |
| mapper[day] = { | |
| morning: true, | |
| afternoon: false | |
| }; | |
| return mapper; | |
| }, {}); | |
| console.log(mappedWeekDays); | |
| // => { monday: { morning: true, afternoon: false }, tuesday: { morning: true, afternoon: false }, ... } |
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