Closed
Description
// original code
// (beautified)
var _calls_ = 10, a = 100, b = 10, c = 0;
function* f0() {
var a = --b + ("" in [ , Infinity_1 && Infinity_1.then, (c = c + 1) + --b ]), Infinity_1 = !function() {
{
return a++ + (b = a);
}
}();
}
var await_2 = f0().next().done;
console.log(null, a, b, c, Infinity, NaN, undefined);// uglified code
// (beautified)
var e = 10, i = 0;
(function*() {
var n = --e + ("" in [ , n, (i += 1) + --e ]);
e = ++g;
})().next().done;
console.log(null, 100, e, i, Infinity, NaN, undefined);original result:
null 100 10 1 Infinity NaN undefined
uglified result:
evalmachine.<anonymous>:2
var e=10,i=0;(function*(){var n=--e+(""in[,n,(i+=1)+--e]);e=++g})().next().done;console.log(null,100,e,i,Infinity,NaN,undefined);
^
ReferenceError: g is not defined
at evalmachine.<anonymous>:2:59
at Generator.next (<anonymous>)
at evalmachine.<anonymous>:2:69
at evalmachine.<anonymous>:3:3
at ContextifyScript.Script.runInContext (vm.js:59:29)
at Object.runInContext (vm.js:120:6)
at run_code_vm (/home/runner/work/UglifyJS/UglifyJS/test/sandbox.js:263:12)
at Object.exports.run_code (/home/runner/work/UglifyJS/UglifyJS/test/sandbox.js:36:38)
at run_code (/home/runner/work/UglifyJS/UglifyJS/test/ufuzz/index.js:2122:20)
at /home/runner/work/UglifyJS/UglifyJS/test/ufuzz/index.js:2569:29
// reduced test case (output will differ)
// (beautified)
function* f0() {
var a = [ Infinity_1 && Infinity_1 ], Infinity_1 = function() {
return a++ + (b = a);
}();
}
f0().next();
// output:
// minify: ReferenceError: c is not defined
// options: {
// "ie": true,
// "toplevel": true,
// "mangle": {
// "v8": true
// },
// "output": {
// "v8": true
// },
// "validate": true
// }minify(options):
{
"ie": true,
"toplevel": true,
"mangle": {
"v8": true
},
"output": {
"v8": true
}
}
Suspicious compress options:
collapse_vars
inline
merge_vars
reduce_vars
unused
Suspicious options:
rename
toplevel