Map array and object of arrays in JavaScript

dang.js

let x = [
    "2018",
    "2017",
    "2016"
]

let y = {
    "2018": [
        1,
        2,
        3
    ],
    "2017": [
        4,
        5
    ],
    "2016": [
        6
    ]
}

const result = x.map(value => {
    let data = []
    Object.keys(y).forEach(key => {
        if (value == key) {
            data.push(y[key])
        }
    })
    return {
        name: value,
        data: data,
    }
})

console.log(JSON.stringify(result, null, 1))