Cannot read property 'toString' of undefined

[TrySound]

• Rollup Version: 1.0.0
• Operating System (or Browser):
• Node Version: 8.15

How Do We Reproduce?

Don't know how yet. Will try to reproduce.

Expected Behavior

No errors

Actual Behavior

./src/index.js → build/static/js...
[!] TypeError: Cannot read property 'toString' of undefined
TypeError: Cannot read property 'toString' of undefined
    at Chunk.getRenderedHash (project/node_modules/rollup/dist/rollup.js:15468:41)
    at project/node_modules/rollup/dist/rollup.js:15513:33
    at Chunk.visitDependencies (project/node_modules/rollup/dist/rollup.js:15493:13)
    at Chunk.computeContentHashWithDependencies (project/node_modules/rollup/dist/rollup.js:15509:14)
    at project/node_modules/rollup/dist/rollup.js:15731:34
    at project/node_modules/rollup/dist/rollup.js:14863:27
    at String.replace (<anonymous>)
    at renderNamePattern (project/node_modules/rollup/dist/rollup.js:14862:20)
    at Chunk.generateId (project/node_modules/rollup/dist/rollup.js:15726:30)
    at assignChunkIds (project/node_modules/rollup/dist/rollup.js:17660:19)

[TrySound]

I guess this happens because of falsy dynamic import like this

const Page = false
  ? React.lazy(() =>
      import('./page.js').then(module => ({ default: module.Page })),
    )
  : () => null;

console.log(Page)

[lukastaegert]

Thanks, your findings were very helpful! Fix at #2638

[TrySound]

Great! Thank you!