add shim, basic stubs

shims/electron/index.js

@@ -0,0 +1,33 @@
+// Electron module shim
+// Returned when Obsidian calls: window.require('electron')
+
+import { ipcRenderer } from "./ipc-renderer.js";
+import { webFrame } from "./web-frame.js";
+import { remoteShim } from "./remote/index.js";
+
+export const electronShim = {
+  ipcRenderer,
+  webFrame,
+  remote: remoteShim,
+
+  // electron.deprecate  -  used by Obsidian to mark deprecated APIs
+  deprecate: {
+    function(fn, name) {
+      return fn;
+    },
+    event(emitter, name) {},
+    removeFunction(fn, name) {
+      return fn;
+    },
+    log(message) {
+      console.log("[electron:deprecate]", message);
+    },
+    warn(oldName, newName) {},
+    promisify(fn) {
+      return fn;
+    },
+    renameFunction(fn, newName) {
+      return fn;
+    },
+  },
+};