Improve portability of the UMD build #328
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Thanks for the pull request, @chocolateboy! I pushed a few tweaks to your branch. Are you happy with them? |
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Yes, LGTM, thanks! |
- replace `self` with `globalThis` - make module detection more robust Co-authored-by: David Chambers <[email protected]>
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Nov 9, 2024
| module.exports = mapping; | ||
| } else { | ||
| self.FantasyLand = mapping; | ||
| globalThis.FantasyLand = mapping; |
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Wouldn't be safer to use something like (globalThis || self)? Just in case...
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If globalThis does not exist in the environment, globalThis || self throws a ReferenceError. We would need to use typeof globalThis to first check for the presence of globalThis. Is this worthwhile? I'm not sure.
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Yeah, you are right. I thought short-circuiting would not throw.
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It'd be worth if it needs to be backward-compatible. But it's hard to find a reliable - and nice - way.
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This PR:
selfwithglobalThisglobalThisis the official way to refer to the global scope and is supported by almost all environments:The notable exception is IE11, which will need to use a polyfill. If IE11 support was previously promised or assumed, then this would be a breaking change.