From: Evan You <yyx990803@gmail.com>
Date: Sun, 22 Dec 2019 16:56:09 +0000 (-0500)
Subject: build: warn invalid format in build script
X-Git-Tag: v3.0.0-alpha.1~32
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=c3e1c812e31a6943100177be730e2d8c369f1990;p=thirdparty%2Fvuejs%2Fcore.git

build: warn invalid format in build script
---

diff --git a/rollup.config.js b/rollup.config.js
index 75ec6ad546..0604dff9b2 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -68,6 +68,11 @@ if (process.env.NODE_ENV === 'production') {
 export default packageConfigs
 
 function createConfig(format, output, plugins = []) {
+  if (!output) {
+    console.log(require('chalk').yellow(`invalid format: "${format}"`))
+    process.exit(1)
+  }
+
   output.externalLiveBindings = false
 
   const isProductionBuild =