coryd.dev/cli/lib/directus/relationHelpers.js

import inquirer from "inquirer";
import { searchItems } from "../directus/client.js";

export const promptForMultipleRelations = async (collection, label = collection) => {
  const selectedIds = new Set();

  while (true) {
    const { query } = await inquirer.prompt({
      name: "query",
      message: `🔍 Search ${label} (or leave blank to finish):`
    });
    const trimmed = query.trim();

    if (!trimmed) break;

    const results = await searchItems(collection, trimmed);

    if (!results.length) {
      console.warn(`⚠️ No ${collection} found for "${query}".`);

      continue;
    }

    const { selected } = await inquirer.prompt({
      type: "checkbox",
      name: "selected",
      message: `✔ Select ${label} to add:`,
      choices: results.map((item) => ({
        name: item.name || item.title || item.id,
        value: item.id
      }))
    });

    selected.forEach((id) => selectedIds.add(id));

    const { again } = await inquirer.prompt({
      type: "confirm",
      name: "again",
      message: `Search and add more ${label}?`,
      default: false
    });

    if (!again) break;
  }

  return Array.from(selectedIds);
};