@discoveryjs/discovery/lib/core/preset.js

Frontend framework for rapid data (JSON) analysis, shareable serverless reports and dashboards

import { Dictionary } from "./dict.js";
export class PresetRenderer extends Dictionary {
  #view;
  constructor(view) {
    super();
    this.#view = view;
  }
  define(name, config) {
    config = JSON.parse(JSON.stringify(config));
    return PresetRenderer.define(this, name, Object.freeze({
      name,
      render: (el, _, data, context) => this.#view.render(el, config, data, context),
      config
    }));
  }
  render(container, name, data, context) {
    const preset = this.get(name);
    if (!preset) {
      const errorMsg = "Preset `" + name + "` is not found";
      console.error(errorMsg, name);
      const el = container.appendChild(document.createElement("div"));
      el.className = "discovery-buildin-view-config-error";
      el.textContent = errorMsg;
      return Promise.resolve();
    }
    return preset.render(container, null, data, context);
  }
}