Turn off useESModules during test

louischan-oursky · louischan-oursky · commit 4adb4b4c1abc · 2019-08-01T15:18:13.000+08:00
diff --git a/babel.config.js b/babel.config.js
@@ -52,7 +52,11 @@ var plugins = [
   [
     "@babel/plugin-transform-runtime",
     {
-      useESModules: true,
+      // During test, we do not use module
+      // because jest by default does not transform node_modules.
+      // useESModules will cause module source code to be loaded,
+      // which is not parsable by jest.
+      useESModules: process.env.NODE_ENV === "test" ? false : true,
     },
   ],
 ];

Original file line number	Diff line number	Diff line change
`@@ -52,7 +52,11 @@ var plugins = [`
`52`	`52`	`[`
`53`	`53`	`"@babel/plugin-transform-runtime",`
`54`	`54`	`{`
`55`		`- useESModules: true,`
	`55`	`+ // During test, we do not use module`
	`56`	`+ // because jest by default does not transform node_modules.`
	`57`	`+ // useESModules will cause module source code to be loaded,`
	`58`	`+ // which is not parsable by jest.`
	`59`	`+ useESModules: process.env.NODE_ENV === "test" ? false : true,`
`56`	`60`	`},`
`57`	`61`	`],`
`58`	`62`	`];`