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With or without enums in TypeScript
Pros and cons of enums in TypeScript
CamelCase
Given a string in any case, returns a string in camel case
Advanced types / Holy.js notes
The power of TypeScript will be revealed by the example of several tasks from type-challenges of the hard level.
GetOptional
Given an object, returns object with all optional fields
StringToNumber
Given a number as string literal type, returns a number as number literal type
Split
Given a string and a separator, returns an array or a tuple with the substrings between the separator