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AbdelrahmanHafez/medium.optional.chaining.bad.usage.example.js

Created October 2, 2019 05:26
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Medium Optional Chaining Bad Usage Example
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medium.optional.chaining.bad.usage.example.js
// on the user schema, the address, the city, and the name are all required
const user = await User.findOne(filter);
// the correct way of accessing the city name
const name = user.address.city.name;
// the way of accessing the name using optional chaining
const name = user?.address?.city?.name;
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