run on ios

index.ts

@@ -37,6 +37,22 @@ const project = await p.group(
         ]
       })
     ,
+    bundleid: async ({ results }) => {
+      if (results.mobile !== "expo") return ""
+      // Valid as both an iOS bundle identifier and an Android package name.
+      const fallback = `com.${String(results.name).toLowerCase().replace(/[^a-z0-9]/g, "").replace(/^[0-9]+/, "") || "app"}.mobile`
+      return await p.text({
+        message: "What bundle identifier should the mobile app use?",
+        placeholder: fallback,
+        defaultValue: fallback,
+        validate: (value) => {
+          if (value && !/^[a-zA-Z][a-zA-Z0-9]*(\.[a-zA-Z][a-zA-Z0-9]*)+$/.test(value)) {
+            return "Use reverse-DNS segments of letters and digits, e.g. com.example.app"
+          }
+          return undefined
+        },
+      })
+    },
     goprefix: () =>
       p.text({
         message: "What would you like to use as a go package prefix?",
@@ -65,11 +81,13 @@ const render = createRenderer(z.object({
     name: z.string(),
     goprefix: z.string(),
     frontend: z.string(),
-    mobile: z.string()
+    mobile: z.string(),
+    bundleid: z.string()
   })
 }))
 const destDir = path.join("./", project.name);
-render(destDir, { project }, { reverseMap: true })
+// `results` in the bundleid prompt makes group() infer it as unknown.
+render(destDir, { project: { ...project, bundleid: project.bundleid as string } }, { reverseMap: true })
 
 const s = p.spinner();
 if (project.installDeps) {