[...pkg].get.ts

import * as v from 'valibot'
import { PackageNameSchema } from '#shared/schemas/package'
import { CACHE_MAX_AGE_ONE_HOUR, ERROR_NPM_FETCH_FAILED } from '#shared/utils/constants'

export default defineCachedEventHandler(
  async event => {
    try {
      const pkg = getRouterParam(event, 'pkg')

      const packageName = v.parse(PackageNameSchema, pkg)

      return await fetchNpmPackage(packageName)
    } catch (error: unknown) {
      handleApiError(error, {
        statusCode: 502,
        message: ERROR_NPM_FETCH_FAILED,
      })
    }
  },
  {
    maxAge: CACHE_MAX_AGE_ONE_HOUR,
    swr: true,
    getKey: event => {
      const pkg = getRouterParam(event, 'pkg') ?? ''
      return `packument:v1:${pkg.replace(/\/+$/, '').trim()}`
    },
  },
)