async fetchLabelmap()

in interactive-visualizers/src/app/app.component.ts [535:571]

• 37 lines of code
• 10 McCabe index (conditional complexity)

  async fetchLabelmap(labelmapName: string): Promise<void> {
    try {
      const labelmapUrl = this.getAssetsUrlPrefix() + labelmapName;
      const labelmapResponse = await fetch(labelmapUrl);
      const labelmapJson = await labelmapResponse.json();
      let maxId = labelmapJson.item.length - 1;
      for (const item of labelmapJson.item) {
        if (item.id && item.id > maxId) {
          maxId = item.id;
        }
      }
      const labelmap = [];
      for (let i = 0; i <= maxId; ++i) {
        labelmap.push(UNKNOWN_LABEL_DISPLAY_NAME);
      }
      for (let i = 0; i < labelmapJson.item.length; ++i) {
        const item = labelmapJson.item[i];
        let displayName = UNKNOWN_LABEL_DISPLAY_NAME;
        if (item.name) {
          displayName = item.name;
        }
        if (item.display_name) {
          displayName = item.display_name;
        }
        if (item.id) {
          labelmap[item.id] = displayName;
        } else {
          labelmap[i] = displayName;
        }
      }
      this.labelmap = labelmap;
    } catch (error) {
      this.labelmap = [];
      console.error(
          `Fetching the labelmap failed with the following error: ${error}`);
    }
  }