PLAIN TEXT JAVASCRIPT: TheRulesAre(function() { with(this) {     a(Player).mayNot(’buyProperty’).unless(function(player, property) {        return property.owner === null &&                player.funds>= property.price;    });     a(Property).mayNot(’addHouse’).when(it().isMortgaged());}});  Composing DSLs in JavaScript is James Coglan’s latest perusal into fun with JavaScript and DSLs. He walks through the building of this DSL in a step by […]

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