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khle/step4.js

Created January 14, 2022 06:47
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Step 4
Raw
step4.js
const users = [
{ firstName: 'Jane', lastName: 'Foo' },
{ firstName: 'John', lastName: 'Bar' },
{ firstName: 'Jill', lastName: 'Err' }
]
function findMatchingAndMoveToFirst (users, shouldBeFirst) {
return users.reduce((accumulator, current) => {
return current.firstName === shouldBeFirst.firstName &&
current.lastName === shouldBeFirst.lastName
? [current, ...accumulator]
: [...accumulator, current]
}, [])
}
const reArrangedUsers = findMatchingAndMoveToFirst(users, {
firstName: 'John',
lastName: 'Bar'
})
console.log(reArrangedUsers)
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