regeneratorRuntime is not defined (--target node)

[loqusion]

When I try to bundle a JavaScript library that uses async functions and then use that library, I get ReferenceError: regeneratorRuntime is not defined, even when using --target node.

I found that the issue is resolved by adding { target: { node: "16" } } to the options of babel-preset-o in createInputConfig in src/rollup-config.ts, since instead of the async/await keywords being transformed to use regeneratorRuntime, they are just passed through to the output as is. Though I'm not sure exactly what value node should be instead of "16". Also, perhaps esmodules: true should be also added to target like it was before? (see below)

bunchee/src/rollup-config.ts

Lines 60 to 63 in 9b67e95

	targets: {
	node: '4',
	esmodules: true,
	},

[huozhi]

Thanks for reporting, regenerator definition is missing for javascript usage with babel but not missing in typescript side. Very good catch

[huozhi]

@Flandre-X Can you try the new version 1.7.3 to see if it solves your problem?

[loqusion]

@huozhi Yup it works, thanks for the fix!