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Merge pull request #1487 from amasad/trailing-commas

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[es7.trailingFunctionCommas] Allow in new expressions
This commit is contained in:
Sebastian McKenzie 2015-05-09 03:16:18 +01:00
commit cf7d6b655e
3 changed files with 8 additions and 1 deletions
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5
src/acorn/src/expression.js
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@ -474,7 +474,10 @@ pp.parseNew = function() {
}
let start = this.markPosition()
node.callee = this.parseSubscripts(this.parseExprAtom(), start, true)
if (this.eat(tt.parenL)) node.arguments = this.parseExprList(tt.parenR, false)
if (this.eat(tt.parenL)) node.arguments = this.parseExprList(
tt.parenR,
this.options.features["es7.trailingFunctionCommas"]
)
else node.arguments = empty
return this.finishNode(node, "NewExpression")
}

1
test/core/fixtures/transformation/es7.trailing-function-commas/new-expression/actual.js Normal file
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@ -0,0 +1 @@
new Foo(a, b,);

3
test/core/fixtures/transformation/es7.trailing-function-commas/new-expression/expected.js Normal file
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@ -0,0 +1,3 @@
"use strict";
new Foo(a, b);