refactor(cli): split command dispatcher into per-command handlers

src/cli/commands.js

@@ -28,54 +28,72 @@ async function getGraphClientFromPublicConfig() {
   });
 }
 
+async function runTableCommand() {
+  return readJsonFromStdin();
+}
+
+async function runListAppsCommand(values) {
+  const { client } = await getGraphClientFromPublicConfig();
+  return listApps(client, {
+    displayName: values["display-name"],
+  });
+}
+
+async function runListAppPermissionsCommand(values) {
+  if (!values["app-id"]) {
+    throw new Error("--app-id is required for list-app-permissions");
+  }
+
+  const { client } = await getGraphClientFromPublicConfig();
+  let result = values.resolve || values.filter
+    ? await listAppPermissionsResolved(client, values["app-id"])
+    : await listAppPermissions(client, values["app-id"]);
+  if (values.filter) {
+    result = filterByPermissionName(result, values.filter);
+  }
+  return result;
+}
+
+async function runListAppGrantsCommand(values) {
+  if (!values["app-id"]) {
+    throw new Error("--app-id is required for list-app-grants");
+  }
+
+  const { client } = await getGraphClientFromPublicConfig();
+  return listAppGrants(client, values["app-id"]);
+}
+
+async function runListResourcePermissionsCommand(values) {
+  if (!values["app-id"] && !values["display-name"]) {
+    throw new Error("--app-id or --display-name is required for list-resource-permissions");
+  }
+  if (values["app-id"] && values["display-name"]) {
+    throw new Error("Use either --app-id or --display-name for list-resource-permissions, not both");
+  }
+
+  const { client } = await getGraphClientFromPublicConfig();
+  let result = await listResourcePermissions(client, {
+    appId: values["app-id"],
+    displayName: values["display-name"],
+  });
+  if (values.filter) {
+    result = filterByPermissionName(result, values.filter);
+  }
+  return result;
+}
+
 export async function runCommand(command, values) {
   switch (command) {
     case "table":
-      return readJsonFromStdin();
-    case "list-apps": {
-      const { client } = await getGraphClientFromPublicConfig();
-      return listApps(client, {
-        displayName: values["display-name"],
-      });
-    }
-    case "list-app-permissions": {
-      if (!values["app-id"]) {
-        throw new Error("--app-id is required for list-app-permissions");
-      }
-      const { client } = await getGraphClientFromPublicConfig();
-      let result = values.resolve || values.filter
-        ? await listAppPermissionsResolved(client, values["app-id"])
-        : await listAppPermissions(client, values["app-id"]);
-      if (values.filter) {
-        result = filterByPermissionName(result, values.filter);
-      }
-      return result;
-    }
-    case "list-app-grants": {
-      if (!values["app-id"]) {
-        throw new Error("--app-id is required for list-app-grants");
-      }
-      const { client } = await getGraphClientFromPublicConfig();
-      return listAppGrants(client, values["app-id"]);
-    }
-    case "list-resource-permissions": {
-      if (!values["app-id"] && !values["display-name"]) {
-        throw new Error("--app-id or --display-name is required for list-resource-permissions");
-      }
-      if (values["app-id"] && values["display-name"]) {
-        throw new Error("Use either --app-id or --display-name for list-resource-permissions, not both");
-      }
-
-      const { client } = await getGraphClientFromPublicConfig();
-      let result = await listResourcePermissions(client, {
-        appId: values["app-id"],
-        displayName: values["display-name"],
-      });
-      if (values.filter) {
-        result = filterByPermissionName(result, values.filter);
-      }
-      return result;
-    }
+      return runTableCommand();
+    case "list-apps":
+      return runListAppsCommand(values);
+    case "list-app-permissions":
+      return runListAppPermissionsCommand(values);
+    case "list-app-grants":
+      return runListAppGrantsCommand(values);
+    case "list-resource-permissions":
+      return runListResourcePermissionsCommand(values);
     default:
       throw new Error(`Unknown command: ${command}`);
   }