从具有动态 ID 的嵌套对象中获取值 - javascript

Question

我正在从 SlackAPI（块元素）接收有效载荷，但我无法理解哦，我如何从中获取数据，因为 ID 和顺序总是在变化。我想得到 protection_fee.value、legal_fee.value 和 repayment_date.selected_date

"state": {
"values": {
  "CjV": {
    "protection_fee": {
      "type": "plain_text_input",
      "value": "111"
    }
  },
  "36tAM": {
    "legal_fee": {
      "type": "plain_text_input",
      "value": "111"
    }
  },
  "oH8": {
    "repayment_date": {
      "type": "datepicker",
      "selected_date": "1990-04-18"
    }
  }
}

},

我尝试了 Object.keys 但显然我失败了，因为订单发生了变化。

当前代码：

      const payload = JSON.parse(body);
      const state = payload.state.values;
      const first = Object.keys(state)[0];
      const second = Object.keys(state)[1];
      const repaymentDate = state[first].protection_fee.value;
      const protectionFee = state[second].legal_fee.value;

Answer 1

我建议创建一个类似于 findProperty() 的函数，它将在有效负载中找到相关对象。

我们将在条目 key/value 对上调用 Object.entries() on the payload.state.values object and then using Array.find() 以查找具有所需属性的对象。

一旦我们有了属性，我们就可以return了。

let payload = { "state": { "values": { "CjV": { "protection_fee": { "type": "plain_text_input", "value": "111" } }, "36tAM": { "legal_fee": { "type": "plain_text_input", "value": "111" } }, "oH8": { "repayment_date": { "type": "datepicker", "selected_date": "1990-04-18" } } } } }

function findProperty(obj, key) {
    const [, value] = Object.entries(obj).find(([k,v]) => v[key]);
    return value[key];
}

console.log('legal_fee:', findProperty(payload.state.values, 'legal_fee').value)
console.log('protection_fee:', findProperty(payload.state.values, 'protection_fee').value)

.as-console-wrapper { max-height: 100% !important; }

从具有动态 ID 的嵌套对象中获取值 - javascript

Get values from nested object with dynamic ids - javascript

javascript

slack-api

slack-block-kit