// src/params/fruit.ts

import type { ParamMatcher } from '@sveltejs/kit';

export const match: ParamMatcher = (param): param is 'apple' | 'orange' => {
  return param === 'apple' || param === 'orange';
};

// src/routes/archive/[page=fruit]/+page.ts

export const load = ({ params: { page } }) => {
  page; // string
};

import type { ParamMatcher } from '@sveltejs/kit';

export const match = ((param): param is 'apple' | 'orange' => {
  return param === 'apple' || param === 'orange';
}) satisfies ParamMatcher;

export const load = ({ params: { page } }) => {
  page; // "apple" | "orange"
};