Method init

translation/index.js:39–46

* Initializes the Translation demo.

(urls)

   * Initializes the Translation demo.
   */
  async init(urls) {
    this.urls = urls;
    const model = await loader.loadHostedPretrainedModel(urls.model);
    await this.loadMetadata();
    this.prepareEncoderModel(model);
    this.prepareDecoderModel(model);
    return this;
  }

  async loadMetadata() {
    const translationMetadata =