Class PlatformReactNative

tfjs-react-native/src/platform_react_native.ts:129–186

}

export class PlatformReactNative implements Platform {
  /**
   * Makes an HTTP request.
   *
   * see @fetch docs above.
   */
  async fetch(
    path: string,
    init?: RequestInit,
    options?: tf.io.RequestDetails
  ) {
    return fetch(path, init, options);
  }

  /**
   * Encode the provided string into an array of bytes using the provided
   * encoding.
   */
  encode(text: string, encoding: string): Uint8Array {
    // See https://www.w3.org/TR/encoding/#utf-16le
    if (encoding === "utf-16") {
      encoding = "utf16le";
    }
    return new Uint8Array(Buffer.from(text, encoding as BufferEncoding));
  }
  /** Decode the provided bytes into a string using the provided encoding. */
  decode(bytes: Uint8Array, encoding: string): string {
    // See https://www.w3.org/TR/encoding/#utf-16le
    if (encoding === "utf-16") {
      encoding = "utf16le";
    }
    return Buffer.from(bytes).toString(encoding as BufferEncoding);
  }

  now(): number {
    //@ts-ignore
    if (global.nativePerformanceNow) {
      //@ts-ignore
      return global.nativePerformanceNow();
    }
    return Date.now();
  }

  setTimeoutCustom() {
    throw new Error("react native does not support setTimeoutCustom");
  }

  isTypedArray(
    a: unknown
  ): a is Uint8Array | Float32Array | Int32Array | Uint8ClampedArray {
    return (
      a instanceof Float32Array ||
      a instanceof Int32Array ||
      a instanceof Uint8Array ||
      a instanceof Uint8ClampedArray
    );
  }
}