Function save

src/app/config.service.ts:4–28

()

import { getConfigKey } from './constants/storage.const';

function save() {
  // eslint-disable-next-line @typescript-eslint/ban-types
  return function(target: Object, propertyKey: string) {
    const localStorageKey = getConfigKey(target.constructor.name, propertyKey);
    const storedValue = localStorage.getItem(localStorageKey);
    let value = JSON.parse(storedValue ?? 'null');
    const wasStored = storedValue !== null;
    let isInitialized = false;

    const setter = (newVal: unknown) => {
      if(!wasStored || isInitialized) {
        value = newVal;
        if(isInitialized) {
          localStorage.setItem(localStorageKey, JSON.stringify(value));
        }
      }
      isInitialized = true;
    };

    Object.defineProperty(target, propertyKey, {
      get: () => value,
      set: setter
    }); 
  }
}