TypeType is designed to generate complex typescript type with ease.
/*
export type MyPick<T, Keys extends keyof T> = { [K in Keys]: T[K] }
*/
export type function MyPick = (T, Keys extends keyof T) => ^{
for(K in Keys) {
return {
key: K,
value: T[K]
}
}
}
/* type mapped2 = { [K in Keys as `get${K}`]: () => string }*/
type mapped2 = ^{
for(K in Keys) {
return {
key: `get${K}`,
value: type () => string
}
}
}
type function _isNumberString = (text) => ^{
if(text extends "") {
return true
} else if(text extends `${infer digit}${infer rest}`) {
return ^{
if(digit extends Digit) {
return _isNumberString<rest>
} else {
return false
}
}
} else {
return false
}
}
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