There are certain native angular functions that return a ReadonlyArray, while some native angular callbacks pass ReadonlyArrays as well. Given that my typescript code may be utilized in various scenarios, I prefer not to mandate that all arrays passed to my functions must be ReadonlyArrays.
Therefore, it becomes necessary for me to convert a ReadonlyArray into a regular JavaScript array, [].
If you want to convert a ReadonlyArray<any> to any[], one simple way is to utilize the methods available in the ReadonlyArray object.
An easy method is using the concat() function. When called with no parameters on a ReadonlyArray, concat will return an empty [].
Alternatively, you can achieve the same result with
let newArray = [...ReadonlyArray]For more information on other members of ReadonlyArray, click here.
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