element-hq / element-hq/element-web
(Fully) pin ECMAScript target version
Open
A-Developer-Experience
O-Occasional
S-Critical
T-Task
Team: App
- Dominant language
- TypeScript
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Description
Action item from [`.at()`](https://github.com/matrix-org/matrix-react-sdk/pull/9933) release crash [post mortem](https://docs.google.com/document/d/1rd8eDXob_EzcXQZOMUp6IGSxx8q-aWEi21mcq6sopG4/edit#heading=h.1fp4w9c4uvuf).
Modify babel config to generate ECMAScript compatible with our officially-supported platforms AND a good proportion of in-use browsers. Verify that modern TS gets correctly translated.
We thought we were doing this but it doesn't seem to work so an investigation is needed.
Previously abandoned https://browsersl.ist/ pull request: #23749
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Assessment
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