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khle/step5.js

Created January 14, 2022 06:51
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Step 5
Raw
step5.js
const users = [
{ firstName: 'Jane', lastName: 'Foo' },
{ firstName: 'John', lastName: 'Bar' },
{ firstName: 'Jill', lastName: 'Err' }
]
function findMatchingAndMoveToFirst (users, shouldBeFirst) {
return users.reduce(
(accumulator, current) =>
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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