javascript - 如何更改 Javascript map() 函数中元素的值?
问题描述
我有一个查询数据库并返回用户对象集合的片段:
users: () => User
.find()
.then(users => users.map(user => user._doc))
.catch((err) => { throw err; }),
显然,每个用户对象都由字段组成,例如用户名、名字、密码等。但是,我想null
在返回对象之前分配密码字段(user._doc
)。为此,我尝试了以下方法:
.then(users => users.map(user => { ...user._doc, password: null }))
但它因语法错误而失败。有什么帮助吗?
示例数据:
{
"data": {
"users": [
{
"_id": "5c8664161b81d506e5c98e98",
"firstName": "Bill",
"password": "$argon2i$v=19$m=4096,t=3,p=1$m57TfbtPVGS5xnJ6PORO9A$G4cvgac/wdtnra0+st+VWTplFNL+6B5zCrGovdWh7jOGAc2el9kVRg",
"username": "gates",
"apiKey": "5c8664161b81d506e5c98e97",
"privileges": [
"GUEST",
"AUTHOR",
"EDITOR"
]
},
{
"_id": "5c8666e132dfae0802bb855b",
"firstName": "Jim",
"password": "$argon2i$v=19$m=4096,t=3,p=1$TGImmObOvhKN4L/gYHMnsg$6ymjG5iwXCgKkm5VL+jJs5qyqDKsMpSL3oJbg4sJaDHk1z+v1jtVQA",
"username": "jimm",
"apiKey": "5c8666e132dfae0802bb855a",
"privileges": [
"GUEST",
"AUTHOR",
"EDITOR"
]
},
{
"_id": "5c873f9fd925640b0460e23b",
"firstName": "Tom",
"password": "$argon2i$v=19$m=4096,t=3,p=1$IHIUzO7eFjzVSxJa1aeIsQ$Z2LkCnBZCSutTTq0WLmF8KB8p/HJsvuPP2JnaVwzoYLyVh9/9bh6EA",
"username": "tom",
"apiKey": "5c873f9fd925640b0460e23a",
"privileges": [
"OWNER"
]
}
]
}
}
解决方案
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