breakout71/src/settings.ts

// Settings

let cachedSettings: { [key: string]: unknown } = {};

try {
  for (let key in localStorage) {
    try {
      cachedSettings[key] = JSON.parse(localStorage.getItem(key) || "null");
    } catch (e) {
      console.warn(e);
    }
  }
} catch (e) {
  console.warn(e);
}

export function getSettingValue<T>(key: string, defaultValue: T) {
  return (cachedSettings[key] as T) ?? defaultValue;
}

//  We avoid using localstorage synchronously for perf reasons
let needsSaving: Set<string> = new Set();
export function setSettingValue<T>(key: string, value: T) {
  if (cachedSettings[key] !== value) {
    needsSaving.add(key);
    cachedSettings[key] = value;
  }
}
export function commitSettingsChangesToLocalStorage() {
  try {
    for (let key of needsSaving) {
      localStorage.setItem(key, JSON.stringify(cachedSettings[key]));
    }
    needsSaving.clear();
  } catch (e) {
    console.warn(e);
  }
}
setInterval(commitSettingsChangesToLocalStorage, 500);

export function getTotalScore() {
  return getSettingValue("breakout_71_total_score", 0);
}

export function getCurrentMaxCoins() {
  return Math.pow(2, getSettingValue("max_coins", 2)) * 200;
}
export function getCurrentMaxParticles() {
  return getCurrentMaxCoins();
}
export function cycleMaxCoins() {
  setSettingValue("max_coins", (getSettingValue("max_coins", 2) + 1) % 7);
}