build: warn invalid format in build script

2019-12-22 11:56:09 -05:00
parent c9b9ae3941
commit c3e1c812e3
1 changed files with 5 additions and 0 deletions
--- 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 =