@nlabs/arkhamjs-storage-browser
Version:
Browser storage for ArkhamJS with enhanced performance and modern ESNext features
311 lines (310 loc) • 30.4 kB
JavaScript
/**
* Copyright (c) 2018-Present, Nitrogen Labs, Inc.
* Copyrights licensed under the MIT License. See the accompanying LICENSE file for terms.
*/ function _define_property(obj, key, value) {
if (key in obj) {
Object.defineProperty(obj, key, {
value: value,
enumerable: true,
configurable: true,
writable: true
});
} else {
obj[key] = value;
}
return obj;
}
const DEFAULT_PREFIX = 'arkhamjs_';
const DEFAULT_MAX_SIZE = 5 * 1024 * 1024; // 5MB
const DEFAULT_TTL = 24 * 60 * 60 * 1000; // 24 hours
const isExpired = (data)=>{
if (!data.ttl) {
return false;
}
return Date.now() - data.timestamp > data.ttl;
};
const getStorageSize = (data)=>new Blob([
data
]).size;
const compressData = (data)=>{
const jsonString = JSON.stringify(data);
if (jsonString.length > 1000) {
return jsonString;
}
return jsonString;
};
const decompressData = (data)=>{
try {
return JSON.parse(data);
} catch {
return null;
}
};
export class BrowserStorage {
static delLocalData(key) {
try {
const storage = BrowserStorage.window.localStorage;
if (storage) {
storage.removeItem(key);
return true;
}
} catch {
// Storage not available
}
return false;
}
static delSessionData(key) {
try {
const storage = BrowserStorage.window.sessionStorage;
if (storage) {
storage.removeItem(key);
return true;
}
} catch {
// Storage not available
}
return false;
}
static getLocalData(key) {
try {
const storage = BrowserStorage.window.localStorage;
if (storage) {
const item = storage.getItem(key);
return item ? JSON.parse(item) : null;
}
} catch {
// Storage not available or invalid JSON
}
return null;
}
static getSessionData(key) {
try {
const storage = BrowserStorage.window.sessionStorage;
if (storage) {
const item = storage.getItem(key);
return item ? JSON.parse(item) : null;
}
} catch {
// Storage not available or invalid JSON
}
return null;
}
static setLocalData(key, value) {
try {
const storage = BrowserStorage.window.localStorage;
if (storage) {
storage.setItem(key, JSON.stringify(value));
return true;
}
} catch {
// Storage not available or quota exceeded
}
return false;
}
static setSessionData(key, value) {
try {
const storage = BrowserStorage.window.sessionStorage;
if (storage) {
storage.setItem(key, JSON.stringify(value));
return true;
}
} catch {
// Storage not available or quota exceeded
}
return false;
}
static getLocalStorage() {
try {
return BrowserStorage.window.localStorage || null;
} catch {
return null;
}
}
static getSessionStorage() {
try {
return BrowserStorage.window.sessionStorage || null;
} catch {
return null;
}
}
async getStorageData(key) {
if (!this.isStorageAvailable()) {
return null;
}
const prefixedKey = this.getPrefixedKey(key);
if (this.storageCache.has(prefixedKey)) {
return this.storageCache.get(prefixedKey);
}
try {
const item = this.storage.getItem(prefixedKey);
if (!item) {
return null;
}
const data = decompressData(item);
if (!data) {
return null;
}
if (isExpired(data)) {
this.storage.removeItem(prefixedKey);
this.storageCache.delete(prefixedKey);
return null;
}
this.storageCache.set(prefixedKey, data.value);
return data.value;
} catch {
return null;
}
}
async setStorageData(key, value) {
if (!this.isStorageAvailable()) {
return false;
}
const prefixedKey = this.getPrefixedKey(key);
try {
// Clean expired data periodically
if (Math.random() < 0.1) {
this.cleanExpiredData();
}
const storageData = {
timestamp: Date.now(),
ttl: this.options.ttl,
value
};
const jsonString = this.options.compression ? compressData(storageData) : JSON.stringify(storageData);
if (!this.validateSize(jsonString)) {
// eslint-disable-next-line no-console
console.warn(`Storage data exceeds maximum size for key: ${key}`);
return false;
}
this.storage.setItem(prefixedKey, jsonString);
this.storageCache.set(prefixedKey, value);
return true;
} catch (error) {
// eslint-disable-next-line no-console
console.error('Failed to set storage data:', error);
return false;
}
}
async removeStorageData(key) {
if (!this.isStorageAvailable()) {
return false;
}
const prefixedKey = this.getPrefixedKey(key);
try {
this.storage.removeItem(prefixedKey);
this.storageCache.delete(prefixedKey);
return true;
} catch {
return false;
}
}
async clearStorageData() {
if (!this.isStorageAvailable()) {
return false;
}
try {
const keys = [];
for(let i = 0; i < this.storage.length; i++){
const key = this.storage.key(i);
if (key?.startsWith(this.options.prefix)) {
keys.push(key);
}
}
keys.forEach((key)=>{
this.storage.removeItem(key);
this.storageCache.delete(key);
});
return true;
} catch {
return false;
}
}
getStorageStats() {
if (!this.isStorageAvailable()) {
return {
available: 0,
total: 0,
used: 0
};
}
let used = 0;
const keys = [];
for(let i = 0; i < this.storage.length; i++){
const key = this.storage.key(i);
if (key?.startsWith(this.options.prefix)) {
keys.push(key);
const item = this.storage.getItem(key);
if (item) {
used += getStorageSize(item);
}
}
}
return {
available: this.options.maxSize - used,
total: this.options.maxSize,
used
};
}
getStorage() {
try {
const { type } = this.options;
const storage = type === 'local' ? BrowserStorage.window.localStorage : BrowserStorage.window.sessionStorage;
return storage || null;
} catch {
return null;
}
}
getPrefixedKey(key) {
return `${this.options.prefix}${key}`;
}
isStorageAvailable() {
return this.storage !== null;
}
validateSize(data) {
const size = getStorageSize(data);
return size <= this.options.maxSize;
}
cleanExpiredData() {
if (!this.isStorageAvailable()) {
return;
}
const keys = [];
for(let i = 0; i < this.storage.length; i++){
const key = this.storage.key(i);
if (key?.startsWith(this.options.prefix)) {
keys.push(key);
}
}
keys.forEach((key)=>{
try {
const item = this.storage.getItem(key);
if (item) {
const data = decompressData(item);
if (data && isExpired(data)) {
this.storage.removeItem(key);
this.storageCache.delete(key);
}
}
} catch {
this.storage.removeItem(key);
this.storageCache.delete(key);
}
});
}
constructor(options = {}){
_define_property(this, "options", void 0);
_define_property(this, "storageCache", new Map());
_define_property(this, "storage", void 0);
this.options = {
compression: false,
maxSize: DEFAULT_MAX_SIZE,
prefix: DEFAULT_PREFIX,
ttl: DEFAULT_TTL,
type: 'session',
...options
};
this.storage = this.getStorage();
}
}
_define_property(BrowserStorage, "window", typeof window !== 'undefined' ? window : {});
//# sourceMappingURL=data:application/json;base64,{"version":3,"sources":["/Users/nitrog7/Development/arkhamjs/packages/arkhamjs-storage-browser/src/BrowserStorage/BrowserStorage.ts"],"sourcesContent":["/**\n * Copyright (c) 2018-Present, Nitrogen Labs, Inc.\n * Copyrights licensed under the MIT License. See the accompanying LICENSE file for terms.\n */\nimport type {\n  BrowserStorageOptions,\n  StorageData,\n  StorageInterface\n} from '../types/main.js';\n\nconst DEFAULT_PREFIX = 'arkhamjs_';\nconst DEFAULT_MAX_SIZE = 5 * 1024 * 1024; // 5MB\nconst DEFAULT_TTL = 24 * 60 * 60 * 1000; // 24 hours\n\nconst isExpired = (data: StorageData): boolean => {\n  if(!data.ttl) {\n    return false;\n  }\n  return Date.now() - data.timestamp > data.ttl;\n};\n\nconst getStorageSize = (data: string): number => new Blob([data]).size;\n\nconst compressData = (data: any): string => {\n  const jsonString = JSON.stringify(data);\n  if(jsonString.length > 1000) {\n    return jsonString;\n  }\n  return jsonString;\n};\n\nconst decompressData = (data: string): any => {\n  try {\n    return JSON.parse(data);\n  } catch{\n    return null;\n  }\n};\n\nexport class BrowserStorage {\n  private static readonly window: Window & typeof globalThis =\n    typeof window !== 'undefined' ? window : {} as any;\n\n  private readonly options: Required<BrowserStorageOptions>;\n  private readonly storageCache = new Map<string, any>();\n  private readonly storage: StorageInterface | null;\n\n  constructor(options: BrowserStorageOptions = {}) {\n    this.options = {\n      compression: false,\n      maxSize: DEFAULT_MAX_SIZE,\n      prefix: DEFAULT_PREFIX,\n      ttl: DEFAULT_TTL,\n      type: 'session',\n      ...options\n    };\n\n    this.storage = this.getStorage();\n  }\n\n  static delLocalData(key: string): boolean {\n    try {\n      const storage = BrowserStorage.window.localStorage;\n      if(storage) {\n        storage.removeItem(key);\n        return true;\n      }\n    } catch{\n      // Storage not available\n    }\n    return false;\n  }\n\n  static delSessionData(key: string): boolean {\n    try {\n      const storage = BrowserStorage.window.sessionStorage;\n      if(storage) {\n        storage.removeItem(key);\n        return true;\n      }\n    } catch{\n      // Storage not available\n    }\n    return false;\n  }\n\n  static getLocalData(key: string): any {\n    try {\n      const storage = BrowserStorage.window.localStorage;\n      if(storage) {\n        const item = storage.getItem(key);\n        return item ? JSON.parse(item) : null;\n      }\n    } catch{\n      // Storage not available or invalid JSON\n    }\n    return null;\n  }\n\n  static getSessionData(key: string): any {\n    try {\n      const storage = BrowserStorage.window.sessionStorage;\n      if(storage) {\n        const item = storage.getItem(key);\n        return item ? JSON.parse(item) : null;\n      }\n    } catch{\n      // Storage not available or invalid JSON\n    }\n    return null;\n  }\n\n  static setLocalData(key: string, value: any): boolean {\n    try {\n      const storage = BrowserStorage.window.localStorage;\n      if(storage) {\n        storage.setItem(key, JSON.stringify(value));\n        return true;\n      }\n    } catch{\n      // Storage not available or quota exceeded\n    }\n    return false;\n  }\n\n  static setSessionData(key: string, value: any): boolean {\n    try {\n      const storage = BrowserStorage.window.sessionStorage;\n      if(storage) {\n        storage.setItem(key, JSON.stringify(value));\n        return true;\n      }\n    } catch{\n      // Storage not available or quota exceeded\n    }\n    return false;\n  }\n\n  static getLocalStorage(): Storage | null {\n    try {\n      return BrowserStorage.window.localStorage || null;\n    } catch{\n      return null;\n    }\n  }\n\n  static getSessionStorage(): Storage | null {\n    try {\n      return BrowserStorage.window.sessionStorage || null;\n    } catch{\n      return null;\n    }\n  }\n\n  async getStorageData(key: string): Promise<any> {\n    if(!this.isStorageAvailable()) {\n      return null;\n    }\n\n    const prefixedKey = this.getPrefixedKey(key);\n\n    if(this.storageCache.has(prefixedKey)) {\n      return this.storageCache.get(prefixedKey);\n    }\n\n    try {\n      const item = this.storage!.getItem(prefixedKey);\n      if(!item) {\n        return null;\n      }\n\n      const data = decompressData(item);\n      if(!data) {\n        return null;\n      }\n\n      if(isExpired(data)) {\n        this.storage!.removeItem(prefixedKey);\n        this.storageCache.delete(prefixedKey);\n        return null;\n      }\n\n      this.storageCache.set(prefixedKey, data.value);\n      return data.value;\n    } catch{\n      return null;\n    }\n  }\n\n  async setStorageData(key: string, value: any): Promise<boolean> {\n    if(!this.isStorageAvailable()) {\n      return false;\n    }\n\n    const prefixedKey = this.getPrefixedKey(key);\n\n    try {\n      // Clean expired data periodically\n      if(Math.random() < 0.1) { // 10% chance to clean\n        this.cleanExpiredData();\n      }\n\n      const storageData: StorageData = {\n        timestamp: Date.now(),\n        ttl: this.options.ttl,\n        value\n      };\n\n      const jsonString = this.options.compression\n        ? compressData(storageData)\n        : JSON.stringify(storageData);\n\n      if(!this.validateSize(jsonString)) {\n        // eslint-disable-next-line no-console\n        console.warn(`Storage data exceeds maximum size for key: ${key}`);\n        return false;\n      }\n\n      this.storage!.setItem(prefixedKey, jsonString);\n\n      this.storageCache.set(prefixedKey, value);\n\n      return true;\n    } catch(error) {\n      // eslint-disable-next-line no-console\n      console.error('Failed to set storage data:', error);\n      return false;\n    }\n  }\n\n  async removeStorageData(key: string): Promise<boolean> {\n    if(!this.isStorageAvailable()) {\n      return false;\n    }\n\n    const prefixedKey = this.getPrefixedKey(key);\n\n    try {\n      this.storage!.removeItem(prefixedKey);\n      this.storageCache.delete(prefixedKey);\n      return true;\n    } catch{\n      return false;\n    }\n  }\n\n  async clearStorageData(): Promise<boolean> {\n    if(!this.isStorageAvailable()) {\n      return false;\n    }\n\n    try {\n      const keys: string[] = [];\n      for(let i = 0; i < this.storage!.length; i++) {\n        const key = this.storage!.key(i);\n        if(key?.startsWith(this.options.prefix)) {\n          keys.push(key);\n        }\n      }\n\n      keys.forEach((key) => {\n        this.storage!.removeItem(key);\n        this.storageCache.delete(key);\n      });\n\n      return true;\n    } catch{\n      return false;\n    }\n  }\n\n  getStorageStats(): { available: number; total: number; used: number } {\n    if(!this.isStorageAvailable()) {\n      return {available: 0, total: 0, used: 0};\n    }\n\n    let used = 0;\n    const keys: string[] = [];\n\n    for(let i = 0; i < this.storage!.length; i++) {\n      const key = this.storage!.key(i);\n      if(key?.startsWith(this.options.prefix)) {\n        keys.push(key);\n        const item = this.storage!.getItem(key);\n        if(item) {\n          used += getStorageSize(item);\n        }\n      }\n    }\n\n    return {\n      available: this.options.maxSize - used,\n      total: this.options.maxSize,\n      used\n    };\n  }\n\n  private getStorage(): StorageInterface | null {\n    try {\n      const {type} = this.options;\n      const storage = type === 'local'\n        ? BrowserStorage.window.localStorage\n        : BrowserStorage.window.sessionStorage;\n\n      return storage || null;\n    } catch{\n      return null;\n    }\n  }\n\n  private getPrefixedKey(key: string): string {\n    return `${this.options.prefix}${key}`;\n  }\n\n  private isStorageAvailable(): boolean {\n    return this.storage !== null;\n  }\n\n  private validateSize(data: string): boolean {\n    const size = getStorageSize(data);\n    return size <= this.options.maxSize;\n  }\n\n  private cleanExpiredData(): void {\n    if(!this.isStorageAvailable()) {\n      return;\n    }\n\n    const keys: string[] = [];\n    for(let i = 0; i < this.storage!.length; i++) {\n      const key = this.storage!.key(i);\n      if(key?.startsWith(this.options.prefix)) {\n        keys.push(key);\n      }\n    }\n\n    keys.forEach((key) => {\n      try {\n        const item = this.storage!.getItem(key);\n        if(item) {\n          const data = decompressData(item);\n          if(data && isExpired(data)) {\n            this.storage!.removeItem(key);\n            this.storageCache.delete(key);\n          }\n        }\n      } catch{\n        this.storage!.removeItem(key);\n        this.storageCache.delete(key);\n      }\n    });\n  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