theseus/address-picker-preload.js

const { contextBridge, ipcRenderer } = require("electron");
contextBridge.exposeInMainWorld("picker", {
  onSuggestions: (cb) => ipcRenderer.on("address-suggest", (_e, d) => cb(d)),
  onCursor:      (cb) => ipcRenderer.on("address-cursor",  (_e, dir) => cb(dir)),
  pick:          (url) => ipcRenderer.invoke("address-pick", url),
  close:         () => ipcRenderer.invoke("close-address-picker"),
  resize:        (h) => ipcRenderer.invoke("address-picker-resize", h),
});