Integrated @rollup/plugin-babel into the build so that the bundle contains polyfilled code that is compatible with ES5+.
These changes prevent breaking syntax errors on older versions of Chrome, Firefox, Safari, etc.
Gotchas
I noticed a small change to dist/vue-meta.d.ts, but I'm not sure why it was introduced. I can dig into this further if needed, it seems like it could impact TypeScript integrations.
Interestingly, I ran the build against v3.0.0-alpha.10 and noticed the exact same change, so this does not appear to relate to my change (perhaps it's due to an implicit version bump related to TypeScript).
I assumed IE9 as a build target, and this seemed necessary (for some reason) to fully polyfill the code - also happy to experiment with this more if needed/preferred.
The size of the bundle naturally increases due to polyfilling (273k -> 357k).
Changes
@rollup/plugin-babelinto the build so that the bundle contains polyfilled code that is compatible with ES5+.Gotchas
dist/vue-meta.d.ts, but I'm not sure why it was introduced. I can dig into this further if needed, it seems like it could impact TypeScript integrations.v3.0.0-alpha.10and noticed the exact same change, so this does not appear to relate to my change (perhaps it's due to an implicit version bump related to TypeScript).273k->357k).Issues
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