I've read a great pattern of handling required function parameters on 2ality.
function throwIfMissing() {
throw new Error('Missing parameter');
}
function foo(mustBeProvided = throwIfMissing()) {
return mustBeProvided;
}
Is there any such nice and clean way to throw validation errors?
function throwIfInvalid(value) {
const max = 10;
const min = 5;
if(value < min || value > max){
throw new Error(`Value must be between ${min} ${max}`);
}
return value;
}
function foo(mustBeValid = throwIfInvalid()) {
return mustBeValid;
}
Of course the code above does not work. My question is if there is any trick to make it work.?
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