he/him 
Minifier in the strictest sense maybe not, but any compiler which does lexical analysis and can track stuff like "never accesses prototype" can easily do it.
Generally the market for ES6 emitting minifiers is weak, but this should be an easy one. Cc @kristoferbaxter
That changes semantics. Arrow functions don’t have a prototype, so it’s a lossy transform and so no minifier can do it safely.
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Sure, the Closure compiler can do it, but that’s not usable in many existing projects.
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Unless the minifier knows if it is a safe operation.pic.twitter.com/DbdzR0Dlm6
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