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Issue #1547 'use strict' duplicate property definitions in obj literals prohibited

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Gerald Lewis 2012-01-09 12:53:32 -05:00
parent 3a694d7dfa
commit a2ef66f197
1 changed files with 8 additions and 0 deletions
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8
src/nodes.coffee
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@ -780,6 +780,14 @@ exports.Obj = class Obj extends Base
compileNode: (o) -> compileNode: (o) ->
props = @properties props = @properties
propNames = []
for prop in @properties
prop = prop.variable if prop.isComplex()
if prop?
propName = prop.unwrapAll().value.toString()
if propName in propNames
throw SyntaxError "duplicate data property #{propName} in object literals are not allowed"
propNames.push propName
return (if @front then '({})' else '{}') unless props.length return (if @front then '({})' else '{}') unless props.length
if @generated if @generated
for node in props when node instanceof Value for node in props when node instanceof Value