我正在使用map函数来迭代一个对象。但在一种情况下我必须使用嵌套 map 功能。我尝试向映射函数内的空对象添加值,但不是添加值而是替换它。谁能帮我解决这个问题吗?
// object stores final results
let valid_data={}
//object to iterate
let test_cases = {
sample:
[ { test_case_no: 1,
test_case_description: 'user-status active - response 200',
value: 'active',
response_code: 200,
valid: 'yes' },
{ test_case_no: 2,
test_case_description: 'user-status inactive - response 200',
value: 'inactive',
response_code: 200,
valid: 'no' },
{ test_case_no: 3,
test_case_description: ' inappropriate user-status - response 400',
value: 'notAdmin',
response_code: 400,
valid: 'no' } ],
sample1: [ { obj1: [Array], obj2: [Array], test_case_no: 4 } ]
}
//my code to iterate an object
Object.entries(test_cases).map((property) => {
const field_name = property[0]
const field_definition = property[1]
Object.entries(field_definition).map((property) => {
if (property[1].valid != 'yes' && property[1].valid != 'no') {
Object.entries(field_definition).map((property) => {
Object.entries(property[1]).map((propertyy) => {
Object.entries(propertyy[1]).map((property) => {
nested_data = []
nested_value = {}
if (property[1].valid == 'yes') {
nested_value[propertyy[0]] = property[1].value
nested_data.push(Object.assign({}, nested_value))
valid_data[field_name] = (Object.assign({}, nested_value))
}
})
})
})
}
else if (property[1].valid == 'yes') {
valid_data[field_name] = property[1].value;
}
})
})
console.log(valid_data);
实际结果:
“{ sample: 'active',
sample1: { obj2: 2019-07-01T09:50:46.266Z } }”
预期结果:
“{ sample: 'active',
sample1: [{ obj1: 2019-07-01T09:50:46.266Z,obj2: 2019-07-01T09:50:46.266Z }] }”
最佳答案
代码中的 var 初始化错误。 尝试这个循环:
Object.entries(test_cases).map((property) => {
const field_name = property[0]
const field_definition = property[1]
Object.entries(field_definition).map((property) => {
if (property[1].valid != 'yes' && property[1].valid != 'no') {
nested_value = {}
Object.entries(property[1]).map((propertyy) => {
Object.entries(propertyy[1]).map((property) => {
if (property[1].valid == 'yes') {
nested_value[propertyy[0]] = property[1].value;
valid_data[field_name] = (Object.assign({},
nested_value))
}
})
})
} else if (property[1].valid == 'yes') {
valid_data[field_name] = property[1].value;
}
})
});
关于javascript - 如何将值添加到map函数内部的对象中?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/56833805/