ES2016: Accepts trailing commas in arguments lists

shapesecurity / shift-parser-js

ECMAScript parser that produces a Shift format AST

http://shift-ast.org/parser.html

Apache License 2.0

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Closed bakkot closed 5 years ago

bakkot commented 5 years ago

f(a,) parses, but is not valid ES2016. We do not accept function f(a,){} or similar.

Debatable whether this is worth fixing, since it's legal in the next version of the spec, which I am currently working on implementing.

... But I'm gonna fix it anyway. Fix incoming.