This a issue we faced while doing an npm install
on server which loaded new set of version for node_modules.
We have a module which looks like
export default class DemoComponent extend React.Component {
render() {
return(
<h1>Hello</h1>
);
}
}
export default connect(
mapStateToProps,
{ ... }
)(DemoComponent);
It used to work fine before we did npm install
which loaded a new version of development dependencies.
ERROR LOG:
Only one default export allowed per module. at File.buildCodeFrameError (/home/workspace/node_modules/babel-core/lib/transformation/file/index.js:431:15) at NodePath.buildCodeFrameError (/home/workspace/node_modules/babel-traverse/lib/path/index.js:140:26) at PluginPass.exit (/home/workspace/node_modules/babel-plugin-transform-es2015-modules-commonjs/lib/index.js:253:29) at newFn (/home/workspace/node_modules/babel-traverse/lib/visitors.js:276:21) at NodePath._call (/home/workspace/node_modules/babel-traverse/lib/path/context.js:76:18) at NodePath.call (/home/workspace/node_modules/babel-traverse/lib/path/context.js:48:17) at NodePath.visit (/home/workspace/node_modules/babel-traverse/lib/path/context.js:117:8) at TraversalContext.visitQueue (/home/workspace/node_modules/babel-traverse/lib/context.js:150:16) at TraversalContext.visitSingle (/home/workspace/node_modules/babel-traverse/lib/context.js:108:19) at TraversalContext.visit (/home/workspace/node_modules/babel-traverse/lib/context.js:192:19) at Function.traverse.node (/home/workspace/node_modules/babel-traverse/lib/index.js:161:17)
export default
, it doesn't make sense. One of them has to be the default, probably the latest one since it's the one connected to the store. – QoP