he/him 
Sweet.js getting a redesign. Now uses immutable.js, built on top of babel, and much more perf-friendlyhttps://github.com/mozilla/sweet.js/pull/485 …
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Would be neat to see this as babel's official way to customize syntax, but we'll see how it works out. //
@sebmck
@jlongster Babel 6 has a forked AST. Wont be compatible with what sweet.js is producing.
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@sebmck What spec has it forked? I don't understand. Surely it can produce whatever babel needs. -
@jlongster https://github.com/estree/estree I thought sweet.js was still using a hacked version of esprima just checked and it uses it's own parser - 2 more replies
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@sebmck@jlongster is the Babel ast fork speced? -
@disnet@jlongster The changes aren't very broad. Planning on writing up the additional interfaces and justifications when I can. - 1 more reply
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