packages/next/cache.js

const cacheExports = {
  unstable_cache: require('next/dist/server/web/spec-extension/unstable-cache')
    .unstable_cache,

  updateTag: require('next/dist/server/web/spec-extension/revalidate')
    .updateTag,

  revalidateTag: require('next/dist/server/web/spec-extension/revalidate')
    .revalidateTag,
  revalidatePath: require('next/dist/server/web/spec-extension/revalidate')
    .revalidatePath,

  refresh: require('next/dist/server/web/spec-extension/revalidate').refresh,

  unstable_noStore:
    require('next/dist/server/web/spec-extension/unstable-no-store')
      .unstable_noStore,
  cacheLife: require('next/dist/server/use-cache/cache-life').cacheLife,
  cacheTag: require('next/dist/server/use-cache/cache-tag').cacheTag,
}

let didWarnCacheLife = false
function unstable_cacheLife() {
  if (!didWarnCacheLife) {
    didWarnCacheLife = true
    const error = new Error(
      '`unstable_cacheLife` was recently stabilized and should be imported as `cacheLife`. The `unstable` prefixed form will be removed in a future version of Next.js.'
    )
    console.error(error)
  }
  return cacheExports.cacheLife.apply(this, arguments)
}

let didWarnCacheTag = false
function unstable_cacheTag() {
  if (!didWarnCacheTag) {
    didWarnCacheTag = true
    const error = new Error(
      '`unstable_cacheTag` was recently stabilized and should be imported as `cacheTag`. The `unstable` prefixed form will be removed in a future version of Next.js.'
    )
    console.error(error)
  }
  return cacheExports.cacheTag.apply(this, arguments)
}

cacheExports.unstable_cacheLife = unstable_cacheLife
cacheExports.unstable_cacheTag = unstable_cacheTag

// https://nodejs.org/api/esm.html#commonjs-namespaces
// When importing CommonJS modules, the module.exports object is provided as the default export
module.exports = cacheExports

// make import { xxx } from 'next/cache' work
exports.unstable_cache = cacheExports.unstable_cache
exports.revalidatePath = cacheExports.revalidatePath
exports.revalidateTag = cacheExports.revalidateTag
exports.updateTag = cacheExports.updateTag
exports.unstable_noStore = cacheExports.unstable_noStore
exports.cacheLife = cacheExports.cacheLife
exports.unstable_cacheLife = cacheExports.unstable_cacheLife
exports.cacheTag = cacheExports.cacheTag
exports.unstable_cacheTag = cacheExports.unstable_cacheTag
exports.refresh = cacheExports.refresh