Fix "Rename page" command (#190)

plugs/core/core.plug.yaml

@@ -68,6 +68,7 @@ functions:
       name: "Page: Rename"
       mac: Cmd-Alt-r
       key: Ctrl-Alt-r
+      page: ""
 
   pageComplete:
     path: "./page.ts:pageComplete"

plugs/core/page.ts

@@ -90,12 +90,12 @@ export async function deletePage() {
   await space.deletePage(pageName);
 }
 
-export async function renamePage(targetName?: string) {
-  console.log("Got a target name", targetName);
+export async function renamePage(cmdDef: any) {
+  console.log("Got a target name", cmdDef.page);
   const oldName = await editor.getCurrentPage();
   const cursor = await editor.getCursor();
   console.log("Old name is", oldName);
-  const newName = targetName ||
+  const newName = cmdDef.page ||
     await editor.prompt(`Rename ${oldName} to:`, oldName);
   if (!newName) {
     return;