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tphummel/dedupe-array.js

Created September 19, 2019 23:49
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dedupe-array.js
const assert = require('assert').strict
function dedupe (input) {
return Object.keys(input.reduce((memo, num) => {
memo[num] = true
return memo
}, {})).map((numStr) => {
return parseInt(numStr, 10)
})
}
const input = [1, 2, 3, 4, 4, 4, 5, 5, 6, 7, 7]
const actual = dedupe(input)
const expected = [1, 2, 3, 4, 5, 6, 7]
assert.deepEqual(actual, expected)
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