javascript - 如何删除 process.env 中的值？

Question

我想从 process.env 中删除一个值:

process.env.VALUE_I_WANT_REMOVED = undefined;

但是当我这样做时，process.env.VALUE_I_WANT_REMOVED 被设置为字符串 "undefined"，而不是值 undefined。

我如何真正从 process.env 中删除值？

Answer 1

试试这个:

delete process.env.VALUE_I_WANT_DELETED;

根据the Node.js documentation :

Assigning a property on process.env will implicitly convert the value to a string.

Example:

process.env.test = null;
console.log(process.env.test);
// => 'null'
process.env.test = undefined;
console.log(process.env.test);
// => 'undefined'

Use delete to delete a property from process.env.