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evaluate AST_SymbolRef as parameter

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fix invalid boolean conversion now exposed in `make_node_from_constant()`

closes #1477
This commit is contained in:
alexlamsl
2017-02-18 19:22:24 +08:00
parent a0f4fd390a
commit 974247c8c0
2 changed files with 56 additions and 6 deletions
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15
lib/compress.js
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@@ -234,7 +234,7 @@ merge(Compressor.prototype, {
case "string":
return make_node(AST_String, orig, {
value: val
}).optimize(compressor);
});
case "number":
if (isNaN(val)) {
return make_node(AST_NaN, orig);
@@ -247,17 +247,17 @@ merge(Compressor.prototype, {
});
}
return make_node(AST_Number, orig, { value: val }).optimize(compressor);
return make_node(AST_Number, orig, { value: val });
case "boolean":
return make_node(val ? AST_True : AST_False, orig).optimize(compressor);
return make_node(val ? AST_True : AST_False, orig).transform(compressor);
case "undefined":
return make_node(AST_Undefined, orig).optimize(compressor);
return make_node(AST_Undefined, orig).transform(compressor);
default:
if (val === null) {
return make_node(AST_Null, orig, { value: null }).optimize(compressor);
return make_node(AST_Null, orig, { value: null });
}
if (val instanceof RegExp) {
return make_node(AST_RegExp, orig, { value: val }).optimize(compressor);
return make_node(AST_RegExp, orig, { value: val });
}
throw new Error(string_template("Can't handle constant of type: {type}", {
type: typeof val
@@ -2179,6 +2179,9 @@ merge(Compressor.prototype, {
});
OPT(AST_Call, function(self, compressor){
self.args = self.args.map(function(arg) {
return arg.evaluate(compressor)[0];
});
if (compressor.option("unsafe")) {
var exp = self.expression;
if (exp instanceof AST_SymbolRef && exp.undeclared()) {