js array auto expand All In One

js array auto expand All In One

const arr = [
    {
        x: 1,
        y: 1,
        value:1,
    },
    {
        x: 2,
        y: 2,
        value: 2,
    },
    {
        x: 3,
        y: 3,
        value: 3,
    }
];


const autoExpand = (arr = []) => {
    let result = [];
    for (const obj of arr) {
        const len = obj.value;
        const temp = [...''.padStart(len, ' ')].map((item, i) => ({
            x: obj.x,
            y: obj.y,
            value: len,
        }));
        // console.log('temp =', temp);
        result = result.concat(temp);
    }
    return result;
};

const test = autoExpand(arr);

console.log('arr', arr);
console.log('test', test);

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