Comments (5)
It looks like ES modules may not be possible until Webpack 5
Is tree-shaking a must-have?
- yes - rollup can bundle CommonJS inside ESM
- no - Its much simpler to output a production library build from Webpack - which has an IIFE until v5
from react-flying-saucer.
Why not just transpile with babel and do nothing else?
from react-flying-saucer.
For now using rollup as a "task runner" lets us emit ESM.
If we just run babel, aliases won't be resolved in stylesheets. Relative paths in stylesheets may also break. I used rollup-plugin-rebase to address this in a hacky way.
from react-flying-saucer.
This leaves us with the question:
- Specializing for ESM means we are targeting an environment that gets bundled.
- Do we need to create a UMD build along-side the module?
from react-flying-saucer.
For now, rollup is used to create an ESM and a UMD bundle both with peer dependencies, instead of tackling questions with CommonJS etc.
from react-flying-saucer.
Related Issues (18)
- craco fails when bootstrapped with lerna HOT 2
- Rollup doesn't resolve '.jsx' extension
- `@babel/runtime` is inserted using the `absoluteRuntime` option
- Remove implicit functions HOT 1
- new project template uses old `useProvided`
- Remove built-in placeholder plugin
- Bundling blocks hot reloading in mono-repos HOT 1
- Babel runtime helpers are always ESM
- @babel/register functionality
- .babelrc doesn't load import plugin
- You must set "output.dir" instead of "output.file" when generating multiple chunks.
- Template a `jsconfig.json` HOT 1
- Stop re-exporting Router primitives? HOT 2
- Better redux patterns HOT 1
- Bundling silently fails HOT 1
- rollup-plugin-alias breaking changes HOT 1
- Exiting react-scripts in watch mode does not gracefully restore package.json
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from react-flying-saucer.