bootstrap-vue/src/utils/memoize.js

Quickly integrate Bootstrap 4 components with Vue.js

import { create } from './object'

export default function memoize (fn) {
  const cache = create(null)

  return function memoizedFn () {
    const args = JSON.stringify(arguments)
    return (cache[args] = cache[args] || fn.apply(null, arguments))
  }
}