});
});
+ function is_integer(key) {
+ return /^[0-9]+$/.test(key);
+ }
+
OPT(AST_Spread, function(self, compressor) {
if (compressor.option("properties")) {
var exp = self.expression;
if (compressor.parent() instanceof AST_Object) {
if (exp instanceof AST_Object && all(exp.properties, function(node) {
return node instanceof AST_ObjectKeyVal;
- })) return List.splice(exp.properties);
+ })) return List.splice(exp.properties.map(function(node) {
+ var key = node.key;
+ if (!(key instanceof AST_Node) && is_integer(key)) {
+ node = node.clone();
+ node.key = make_node(AST_Number, node, {
+ value: +key
+ });
+ }
+ return node;
+ }));
} else if (exp instanceof AST_Array) return List.splice(exp.elements.map(function(node) {
return node instanceof AST_Hole ? make_node(AST_Undefined, node).optimize(compressor) : node;
}));
var prop = self.properties[i];
var key = prop.key;
if (key instanceof AST_Node) key = key.evaluate(compressor);
- if (typeof key != "string" || /[0-9]+/.test(key)) break;
+ if (is_integer(key)) break;
if (key !== prop.key) prop.key = "" + key;
}
var keys = new Dictionary();