gitlab-org--gitlab-foss/app/assets/javascripts/lib/utils/cache.js

export default class Cache {
  constructor() {
    this.internalStorage = {};
  }

  get(key) {
    return this.internalStorage[key];
  }

  hasData(key) {
    return Object.prototype.hasOwnProperty.call(this.internalStorage, key);
  }

  remove(key) {
    delete this.internalStorage[key];
  }
}