Allows using `Object.entries` with Typescript while retaining key type information with. Example: https://tsplay.dev/aNnPdW. Note: see discussion here before using this, as keys are intentionally typed as only `string` by design: https://github.com/microsoft/TypeScript/pull/12253

objEntries.ts

export type Entries<T> = {
  [K in keyof T]: [K, T[K]];
}[keyof T][];
  
/**
 * Helper to use `Object.entries` while retaining key type information.
 * Input object should be cast `as const` for maximum effectiveness.
 */
export function objEntries<T extends Record<string, unknown>>(obj: T): Entries<T> {
  return Object.entries(obj) as Entries<T>;
}