lambda-live-debugger
Version:
Debug Lambda functions locally like it is running in the cloud
15 lines (14 loc) • 481 B
JavaScript
import { withPointer } from "./hook-engine.js";
export function useMemo(fn, dependencies) {
return withPointer((pointer) => {
const prev = pointer.get();
if (!prev ||
prev.dependencies.length !== dependencies.length ||
prev.dependencies.some((dep, i) => dep !== dependencies[i])) {
const value = fn();
pointer.set({ value, dependencies });
return value;
}
return prev.value;
});
}