Stop Using {} In TypeScript

Key Takeaways

by far the most common mistake typescript developers make is not knowing how to type an object as you can see here I've specified that this object should be a type of object but you can see things like dates are being passed through just fine even if I try to Define this using curly braces you can see I'm still getting this date being passed through fine when I really just want this to be an object that's because in JavaScript the object is the base of everything so it works very similarly to any instead I need to use the record type and here I can pass it what I want my keys to look like and what I want my values to look like so in this case I want a record with a key of a string and a value of unknown as you can see my object works and my date no longer works another alternative is using the index type so I could say I want to have an index which is a type of string and the value is unknown this is going to be the exact same thing any key that is a string with any value is going to work perfectly fine for this parameter