Function memoize

packages/eslint-plugin-next/src/rules/no-html-link-for-pages.ts:24–33

(fn: (...args: any[]) => T)

const fsExistsSyncCache = {}

const memoize = <T = any>(fn: (...args: any[]) => T) => {
  const cache = {}
  return (...args: any[]): T => {
    const key = JSON.stringify(args)
    if (cache[key] === undefined) {
      cache[key] = fn(...args)
    }
    return cache[key]
  }
}

const cachedGetUrlFromPagesDirectories = memoize(getUrlFromPagesDirectories)
const cachedGetUrlFromAppDirectory = memoize(getUrlFromAppDirectory)