Json对象平铺展开key

https://stackblitz.com/edit/json-object-unfold-key-value

keyValue.js

const obj = {};
export function getKey(v, k = '') {
  for (const key in v) {
    let rKey = k + key;
    if (k.indexOf('[') !== -1) {
      rKey += ']'
    }
    if (v[key] instanceof Array) {
      this.getKey(v[key], `${rKey}[`);
    } else {
      obj[rKey] = v[key];
    }
  }
  return obj;
}

test.ts

const {
  name:'124',
  ang: 1,
  arr: [1, 2, 3, 4, 5, 6],
  arrs: [['a', 'b'], ['c', 'd']]
}
console.log(v, getKey(v));