openidea/src/features/plugins/intellijImport.ts

/**
 * Settings › Plugins › Import IntelliJ Theme: an IntelliJ theme plugin (a
 * Marketplace `.jar` / `.zip`, a plugin folder of an installed IDE) or a
 * `.theme.json` becomes an OpenIDEA theme plugin — read by the host, converted
 * here (`intellijTheme.ts`), installed through the usual install page. Its
 * themes join the others; which one to use is chosen in Settings › Appearance.
 */
import { create } from "zustand";
import { notifications } from "@/workbench/contributions";
import { pluginsBackend } from "./backend";
import { intellijThemePackage } from "./intellijTheme";
import { errorText, installFromDisk } from "./store";

/**
 * Imports the IntelliJ theme plugin at `path` (asks for a file without one).
 * Returns the installed plugin's id; the theme in use stays as it is.
 */
export async function importIntellijTheme(path?: string): Promise<string | null> {
  const backend = pluginsBackend();
  let dir: string;
  try {
    const picked = path ?? (await backend.pickIntellijTheme());
    if (!picked) return null;
    const pkg = intellijThemePackage(await backend.readIntellijTheme(picked));
    dir = await backend.stagePackage(pkg.id, pkg.files);
  } catch (e) {
    notifications().notify({
      group: "plugins",
      level: "error",
      title: "Could not import the IntelliJ theme",
      body: errorText(e),
    });
    return null;
  }
  return installFromDisk(dir);
}

interface DialogState {
  open: boolean;
  /** Called with the plugin id after an import from the dialog. */
  onImported: ((id: string) => void) | null;
}

export const useIntellijThemesDialog = create<DialogState>(() => ({ open: false, onImported: null }));

/** Shows the themes of the JetBrains IDEs on this machine to pick one to import. */
export function showInstalledIntellijThemes(onImported?: (id: string) => void): void {
  useIntellijThemesDialog.setState({ open: true, onImported: onImported ?? null });
}

export function closeInstalledIntellijThemes(): void {
  useIntellijThemesDialog.setState({ open: false, onImported: null });
}