检查 object 中是否存在键及其值

Question

一个对象（即 request.query）必须包含这些键，并且它们必须具有真实值

const invoice_query_params = [
                'invoice_id',
                'invoice_receipt',
                'invoice_status',
                'payment_id',
                'signature' 
            ];

Answer 1

下面 function 以 object 为参数应检查 object 是否包含每个数组元素作为参数并且它的值不虚假。

const checkKeysAndValues = (yourObject) => invoice_query_params.every(param => yourObject.hasOwnProperty(param) && yourObject[param])

Answer 2

只需测试 hasOwnProperty 并且对于真实值当然这将排除任何评估为虚假的内容并接受任何评估为真实的内容。

const invoice_query_params = [
                'invoice_id',
                'invoice_receipt',
                'invoice_status',
                'payment_id',
                'signature' 
            ];
let ok = true; 
for(var i=0; i < invoice_query_params.lengh; i++){
  if (request.query.hasOwnProperty(invoice_query_params[i]){
     if(!request.query[invoice_query_param[i]]){
        ok = false; 
     } 
  }
}

if (ok){
  // all were truthy so do something.
}