Variable NetworkUtilsConst

Type declaration

• addNetworkStatusListener: ((callback) => (() => void))

  Adds a listener for network status changes (online/offline).

  Returns

  Function to remove the listener.

  Example

  const remove = NetworkUtils.addNetworkStatusListener((online) => console.log('Online:', online));
  // ...later
  remove();
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  • • (callback): (() => void)

    • Parameters

      • callback: ((online) => void)

        Callback invoked with true if online, false if offline.

        • • (online): void

          • Parameters

            • online: boolean

            Returns void

      Returns (() => void)

      • • (): void

        • Returns void

• fetchWithAuth: ((url, token, options?) => Promise<Response>)

  Makes a fetch request with Bearer token authentication.

  Returns

  The fetch response.

  Example

  const res = await NetworkUtils.fetchWithAuth('/api', 'token123');
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  • • (url, token, options?): Promise<Response>

    • Parameters

      • url: string

        The URL to fetch.
      • token: string

        The authentication token.
      • options: RequestInit = {}

        Additional fetch options.

      Returns Promise<Response>

• fetchWithCache: ((url, options?, cacheTime?) => Promise<Response>)

  Makes a fetch request with caching in localStorage.

  Returns

  The fetch response (from cache or network).

  Example

  const res = await NetworkUtils.fetchWithCache('/api/data');
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  • • (url, options?, cacheTime?): Promise<Response>

    • Parameters

      • url: string

        The URL to fetch.
      • options: RequestInit = {}

        Fetch options.
      • cacheTime: number = ...

        Cache time in milliseconds (default 5 minutes).

      Returns Promise<Response>

• fetchJson: (<T>(url, options?) => Promise<T>)

  Makes a fetch request and parses the response as JSON, with error handling.

  Returns

  The parsed response data.

  Throws

  If the response is not OK.

  Example

  const data = await NetworkUtils.fetchJson<{foo: string}>('/api/data');
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  • • <T>(url, options?): Promise<T>

    • Type Parameters

      • T

      Parameters

      • url: string

        The URL to fetch.
      • options: RequestInit = {}

        Fetch options.

      Returns Promise<T>

• fetchWithProgress: ((url, options?, onProgress?) => Promise<Response>)

  Makes a fetch request and tracks download progress.

  Returns

  The fetch response.

  Example

  await NetworkUtils.fetchWithProgress('/file', {}, (progress) => console.log('Progress:', progress));
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  • • (url, options?, onProgress?): Promise<Response>

    • Parameters

      • url: string

        The URL to fetch.
      • options: RequestInit = {}

        Fetch options.
      • Optional onProgress: ((progress) => void)

        Progress callback (0-100).

        • • (progress): void

          • Parameters

            • progress: number

            Returns void

      Returns Promise<Response>

• fetchWithRetry: ((url, options?, retries?, delay?) => Promise<Response>)

  Makes a fetch request with retry logic on failure.

  Returns

  The fetch response.

  Throws

  If all retries fail.

  Example

  const res = await NetworkUtils.fetchWithRetry('/api', {}, 5, 500);
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  • • (url, options?, retries?, delay?): Promise<Response>

    • Parameters

      • url: string

        The URL to fetch.
      • options: RequestInit = {}

        Fetch options.
      • retries: number = 3

        Number of retries (default 3).
      • delay: number = 1000

        Delay between retries in milliseconds (default 1000).

      Returns Promise<Response>

• fetchWithTimeout: ((url, options?, timeout?) => Promise<Response>)

  Makes a fetch request with a timeout.

  Returns

  The fetch response.

  Throws

  If the request times out.

  Example

  const res = await NetworkUtils.fetchWithTimeout('/api', {}, 2000);
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  • • (url, options?, timeout?): Promise<Response>

    • Parameters

      • url: string

        The URL to fetch.
      • options: RequestInit = {}

        Fetch options.
      • timeout: number = 5000

        Request timeout in milliseconds (default 5000).

      Returns Promise<Response>

• getNetworkSpeed: (() => null | string)

  Gets the current network speed (downlink) in Mbps, if available.

  Returns

  The network speed in Mbps, or null if not available.

  Example

  const speed = NetworkUtils.getNetworkSpeed();
  console.log('Speed:', speed);
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  • • (): null | string

    • Returns null | string

• getNetworkType: (() => null | string)

  Gets the current network type (e.g., 'wifi', '4g'), if available.

  Returns

  The network type, or null if not available.

  Example

  const type = NetworkUtils.getNetworkType();
  console.log('Type:', type);
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  • • (): null | string

    • Returns null | string

• isOnline: (() => boolean)

  Checks if the network is currently online.

  Returns

  True if the network is online, false otherwise.

  Example

  if (NetworkUtils.isOnline()) {
    // Do something when online
  }
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  • • (): boolean

    • Returns boolean