recoder-code
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text/typescript
import next from "./next.js";
type MaybeParams<T> = (err: Error | any | null, result?: T) => void;
export default function maybe<T>(cb: MaybeParams<T> | undefined, promise: Promise<T>): Promise<T> | void {
if (cb) {
promise.then(
function (result) {
next(function () {
cb(null, result);
});
},
function (err) {
next(function () {
cb(err);
});
},
);
return undefined;
} else {
return promise;
}
}