Method load

tfjs-react-native/src/async_storage_io.ts:131–160

* Load a model from local storage. * * See the documentation to `browserLocalStorage` for details on the saved * artifacts. * * @returns The loaded model (if loading succeeds).

()

   * @returns The loaded model (if loading succeeds).
   */
  async load(): Promise<io.ModelArtifacts> {
    const info = JSON.parse(await this.asyncStorage.getItem(this.keys.info)) as
        io.ModelArtifactsInfo;
    if (info == null) {
      throw new Error(
          `In local storage, there is no model with name '${this.modelPath}'`);
    }

    if (info.modelTopologyType !== 'JSON') {
      throw new Error(
          'BrowserLocalStorage does not support loading non-JSON model ' +
          'topology yet.');
    }

    const modelArtifacts: io.ModelArtifacts =
        JSON.parse(await this.asyncStorage.getItem(
            this.keys.modelArtifactsWithoutWeights));

    // Load weight data.
    const weightDataBase64 =
        await this.asyncStorage.getItem(this.keys.weightData);
    if (weightDataBase64 == null) {
      throw new Error(
          `In local storage, the binary weight values of model ` +
          `'${this.modelPath}' are missing.`);
    }
    modelArtifacts.weightData = toByteArray(weightDataBase64).buffer;

    return modelArtifacts;
  }
}

/**