Closed alexlamsl closed 1 week ago
// original code // (beautified) var _calls_ = 10, a = 100, b = 10, c = 0; { var brake1 = 5; while (a++ + (typeof async_2 !== "object") && --brake1 > 0) { var brake2 = 5; L12058: do { try { switch ((c = c + 1) + +(delete "c" >> ("" < 1) >>> ([] <= -2) / (a = "object" == 24..toString()))) { case a++ + b++: c = c + 1; break; default: try { { var arguments = function f0(yield_2, NaN, b_1) {}(a++ + (NaN >>> 5 == 1 <= []) % ("foo" * 5 > (2 < "b")) ? --b + delete (((!0o644n) ** 5 | Infinity >> false) ^ (-1 & "number") in true % -3) : --b + (arguments.var = ((arguments.in = -3 ^ "b") && (c = c + 1, "c")) <= (24..toString() >= [] ^ /[a2][^e]+$/ > NaN))); } } catch ({ name: c_2, message: bar }) { { var undefined = --b + (c = 1 + c, (3 || Infinity) != -2 > 23..toString() == (24..toString() >>> -3 | (arguments = /[a2][^e]+$/ !== ""))), undefined_1 = +((-0 >= "") - (2 < NaN) || 23..toString() / "foo" << ("" !== -1)); } switch (--_calls_ >= 0 && arguments(--b + -b, 4, /[abc4]/.test(((c = 1 + c, (c = c + 1, "c" % 4) | "a" == -1 == 22 >> 25) || b || 5).toString()))) { case c_2 && c_2[a++ + arguments]: var yield_2 = /[abc4]/g.exec(((c = 1 + c, (([], 3) === NaN > true) < (("a" ^ -5) >= (25 != "foo"))) || b || 5).toString()), c_1 = --b + (1 === 1 ? a : b); break; case b &= a: switch (--b + !(("b" == this ^ -5 < -4) === (-0, 5) >= (1 !== 22))) { default: case --b + a++: c = 1 + c, 38..toString() != -3 ^ (this ^ 22) && ({} != 5 || c_1 && (c_1.done += "function" ^ "bar")); break; case arguments: c = 1 + c, arguments += NaN * -4 % (-1 - 38..toString()) < ((undefined & "function") == ([] || -0)); c = 1 + c, c = c + 1, (1, "bar") <= (22 <= null); c = 1 + c, (!0o644n === 24..toString() ^ 1 > Infinity) >>> (c = c + 1, [ , 0 ][1] !== /[a2][^e]+$/); break; case typeof yield_2 == "function" && --_calls_ >= 0 && yield_2(true): c = 1 + c, (yield_2.static = 4 <= 1) | [] & "function" || (c = c + 1, c_1 && (c_1.get = "c" >>> [])); break; } break; case --b + void ((25 - "function" === "object" << null) > ((NaN & "a") < ("" | [ , 0 ].length === 2))): { c = 1 + c, [ , 0 ][1] < ([ , 0 ].length === 2) & this !== "bar" | ("b" >>> 24..toString()) - (yield_2 *= undefined != [ , 0 ][1]); } case {}: L12059: for (var brake20 = 5; a++ + delete (([ , 0 ][1] == true) > (c = c + 1, NaN) == (0 % -4, 25 | {})) && brake20 > 0; --brake20) { } switch ((c = c + 1) + typeof (c = 1 + c, ("b" == 1, "a" | []) === (NaN + this !== 38..toString() >> null))) { case --b + (c = c + 1, true && "object" && this < NaN): break; case a++ + {}: c = 1 + c, (c = c + 1, -4 / 4) < ((4 | "bar") ^ (c_1 = [] >= false)); break; default: case (c = c + 1) + (typeof arguments == "function" && --_calls_ >= 0 && arguments({})): break; } break; } } c = c + 1; case 0 === 1 ? a : b: var async = +function await_1() { { var c = function f1(bar) { c = 1 + c, (25 || undefined) * (undefined != [ , 0 ][1]) << ((arguments && (arguments[c = 1 + c, ((arguments = 25 >>> 3) || -2 ^ "object") / (false >>> 0 !== /[a2][^e]+$/ + "foo")] -= 23..toString() - NaN)) >>> ("undefined" >> "bar")); c = 1 + c, (-5 - 38..toString(), "undefined" === 23..toString()) === ({} != 5 & undefined <= "foo"); c = 1 + c, ([ , 0 ].length === 2) >> -1 <= (false === [ , 0 ][1]) > +(-2 * [ , 0 ][1]); }(); } c = c + 1; }(), a_1 = a++ + { a_1: a_1 }; break; case void b: { var brake31 = 5; while (typeof f0 == "function" && --_calls_ >= 0 && f0(a++ + (typeof arguments == "function" && --_calls_ >= 0 && arguments(a++ + (0 === 1 ? a : b), typeof f3 == "function" && --_calls_ >= 0 && f3()))) && --brake31 > 0) { var Infinity_1 = function f2() { try { { } } catch (b_1) { c = 1 + c, (-1 & 23..toString() & "undefined" >> null) / ((-0 == "foo") < "bar" - this); c = 1 + c, (4 / this == ([] != -3)) << (-"undefined" | (async && (async.get = "function" == Infinity))); } finally { c = 1 + c, a_1 += (-null ^ -4 >> 23..toString()) & NaN * !0o644n + (24..toString() >= false); } switch (-1 in { value: (c = 1 + c, undefined > "function" < (this < "function") && "b" + false ^ 25 > 22) }) { case --b + (typeof arguments_1 == "symbol"): break; case --b + (a_1 && typeof a_1.set == "function" && --_calls_ >= 0 && a_1.set()): c = 1 + c, +2 | 3 != -2, "function" * "bar" ^ this < 3; break; case 3 in { NaN: (c = 1 + c, (a_1 && (a_1[c = 1 + c, (([] == 1) >= (false === "number")) * (38..toString() * undefined <= (38..toString() !== -5))] += 0 * 22)) < (0 == {}) != (24..toString() | null) / (4, NaN)) }: c = 1 + c, +(-0 & NaN | (c = c + 1, 3)); break; case a++ + a++: c = 1 + c, a_1 ^= (23..toString() ^ "object") % (22 > -1) ^ (Infinity || "") != (5 && "c"); c = 1 + c, (arguments && (arguments[a++ + /[abc4]/.test(((c = 1 + c, 3 + 23..toString() === (/[a2][^e]+$/ | 38..toString()), (async && (async[c = 1 + c, (async && (async[a++ + arguments] += (c = c + 1, -1) === "a" <= -2)) & (-1 != 1 || async && (async[c = 1 + c, arguments && (arguments[[]] ^= (async += ("object" << null) + ("undefined" != "foo"), "a" === 1 | -0 / true))] |= ([ , 0 ][1], [])))] = "number" <= 22)) === (/[a2][^e]+$/ && [ , 0 ][1])) || b || 5).toString())] = (a_1 && (a_1[c = 1 + c, ((c = c + 1, 3) >> ([ , 0 ][1], -1)) + ((1 <= "foo") >>> (38..toString() < -2))] = Number(0xdeadn << 16n | 0xbeefn) % "object")) >> (a_1 = -0 & false))) | undefined / "number" & ("b", 24..toString()); c = 1 + c, (a_1 += {} * 24..toString() >> (5 ^ "c")) ^ 0 >> "" < (-2 > NaN); } var bar_2 = 0 === 1 ? a : b; }(a--, -5, ..."" + arguments); } } { var brake45 = 5; while (typeof f2 == "function" && --_calls_ >= 0 && f2(-5) && --brake45 > 0) { var b_1 = --b + --b; } } { var expr47 = --b + (arguments && typeof arguments.foo == "function" && --_calls_ >= 0 && (b_1 && b_1.c, arguments.foo)((a++ + ((Infinity !== "bar") <= /[a2][^e]+$/ >> "c" == (1 <= 24..toString() && 1 & -3)) || 7).toString()[Infinity])); for (a_1 in expr47) { c = 1 + c; var bar_2 = expr47[a_1]; { var brake48 = 5; L12060: do { } while ([ 22 ][[ (true && -3) / ("function" || /[a2][^e]+$/) | (3 ^ {}) - ([ , 0 ][1] !== "object") ]] && --brake48 > 0); } } } break; } } catch (bar_1) { --b + void function() { { return --b + (("object" >= 5 >= "object" >> -2) + ((-4 === null) << (async = [ , 0 ][1] == 23..toString()))); } }(); } finally { ~b; { var undefined = function arguments_1(foo_2) { try { { var brake55 = 5; do { {} } while ((b = a) && --brake55 > 0); } } catch (async) { L12061: { c = 1 + c, (arguments && ({ b: arguments[(c = c + 1) + +b] } = { b: ("number" + [ , 0 ][1]) / ("object" > "function") })) - ((0 && undefined) >>> (c = c + 1, "foo")); } } switch (--b + "a") { case foo_2 && foo_2[[ (c = 1 + c, 0 * "c" === ("" || NaN) ^ (undefined ^ 5) - ("a" <= [])), (c = 1 + c, ~([ , 0 ].length === 2) + ({} >>> -0) > (Infinity | -3) - (0 >>> "foo")) ]]: break; case b_1 && b_1.Infinity: L12062: for (var brake60 = 5; a++ + ((c = 1 + c, (23..toString() || "foo") / (arguments && (arguments.null %= [ , 0 ][1] % -5)) + (-2 === -3 || "" < this)) ? (c = 1 + c, (-2 || 2 || -4 * -4) ^ ("number" || NaN) + (Infinity_1 && (Infinity_1.null += 25 < 0))) : (c = 1 + c, ("a" >>> "undefined") * ({} > true) ^ ("a" && {}) >> (Infinity_1 && (Infinity_1[c = 1 + c, (([ 3n ][0] > 2) >>> -3) - (this || -4) + (b_1 += -2 > this) % (a_1 && (a_1.c ^= false | -5))] += "number" & null)))) && brake60 > 0; --brake60) { c = 1 + c, 0 << "undefined" >>> undefined * 25 | 4 << false & "bar" - 0; } { var a_1 = function f3() { }(); } { var expr63 = a++ + { async: (c = 1 + c, (Infinity != "") < (true && "") ^ ("bar" > "foo") / (-2 - false)) }[c = 1 + c, ("function" === -2, +Infinity) ^ (c = c + 1, 2) & "" >>> -3]; for (var key63 in expr63) { c = c + 1; } } break; case a++ + { next: (c = c + 1) + (async && async.next), "\t": (c = c + 1) + /[abc4]/.test(((c = 1 + c, "undefined" % NaN - (this << 23..toString()) + ("number" < 3) * (NaN - [ , 0 ][1])) || b || 5).toString()), var: a++, [{ done: (c = 1 + c, (a_1 && (a_1[c = 1 + c, ("c" ** -2 || 38..toString() >>> [ , 0 ][1]) >> (2 < 22) / (/[a2][^e]+$/ % false)] /= "" | this)) > (-4 > "b") != (async && (async[c = 1 + c, ("undefined" <= [ , 0 ][1] && 4 / 24..toString()) % (-1 + 0 || arguments && (arguments.a += 2 + 4))] = -3 === 25), 25 != NaN)) }.set]: false in { in: (c = 1 + c, ("number" <= true) << ("bar" >> 25) != (Infinity !== "undefined" == Infinity < -5)), a_1: a_1 }, then: ((b_1, foo_2_2, async) => { })() }: break; case a++ + ++a: { var expr65 = { b: (c = 1 + c, ([ , 0 ].length === 2) * 4 === -4 / "foo" ^ (-4 < true || "" | [ , 0 ].length === 2)), NaN: (c = 1 + c, !(arguments && (arguments[c = 1 + c, (("c", "c") || 2 / [ , 0 ][1]) !== ("c" < 23..toString()) >>> (c = c + 1, -3)] >>>= Infinity != -5)) && ~null ^ ("b" | false)) }.in; L12063: for (var key65 in expr65) { c = 1 + c; var let_2 = expr65[key65]; switch (c = 1 + c, let_2 && (let_2.a >>= ([ , 0 ][1] ^ "number") > (25 | undefined) >= (c = c + 1, [] << this))) { default: ; case c = 1 + c, key65 && (key65[+function() { c = 1 + c, arguments = 24..toString() + ([ 3n ][0] > 2) !== (Infinity_1 && (Infinity_1.c = 25 - "bar")) === ("undefined" != ([ , 0 ].length === 2)) >> (1 != "foo"); c = 1 + c, (/[a2][^e]+$/ && -4) / (-0 !== 0) + ((this, null) === (22 !== 38..toString())); c = 1 + c, "undefined" - 1 >>> ([] != 1) & true >> Infinity === "foo" >>> "number"; c = 1 + c, (c = c + 1, "function") + (NaN !== 22) - (foo_2 && (foo_2.done += (/[a2][^e]+$/ || 1) * (0 << "undefined"))); c = 1 + c, (c = c + 1, "object") > 2 + 3 < (23..toString() + "foo" ^ (let_2 && (let_2.in += Infinity >>> {}))); }()] <<= (23..toString() * "foo" || 24..toString() << undefined) * (("number" == "foo") + (undefined <= "object"))): ; break; case c = 1 + c, undefined / 3 / (undefined * /[a2][^e]+$/) | (-4 <= "object") + ("" + "b"): ; break; case c = 1 + c, (1 << {}) + (0 << /[a2][^e]+$/) <= -(24..toString() / "undefined"): ; break; } } } { c = 1 + c, "a" === 23..toString() === ([ , 0 ].length === 2 !== "c") || 3 != false ^ false !== -2; } ; break; } { return b--; } }(); } } } while (--b + [ typeof b_2 === "symbol", b_1 && b_1.foo, --b + {}.set ].var && --brake2 > 0); } } console.log(null, a, b, c, Infinity, NaN, undefined);
// uglified code // (beautified) for (var t, arguments, i, a, e, n, f, o, c, r, s, u, N, b = 10, h = 100, y = 10, g = 0, l = 5; h++ + ("object" != typeof async_2) && 0 < --l; ) { t = 5; do { try { switch ((g += 1) + (0 >>> !1 / (h = !1))) { case h++ + y++: g += 1; break; default: try { arguments = void (h++ + NaN ? (--y, 0 in 1) : (--y, arguments.var = (g += 1, !(arguments.in = -3)))); } catch ({ name: t }) { switch (i = --y + (g = 1 + g, 1 == (0 | (arguments = !0))), 0 <= --b && arguments(--y - y, 4, /[abc4]/.test((g = 1 + g, "" + (!0 | (g += 1, NaN)))))) { case t && t[h++ + arguments]: a = /[abc4]/g.exec((g = 1 + g, (y || 5).toString())), e = --y + h; break; case y &= h: switch (--y + !(!0 === ("b" == this ^ !0))) { default: case --y + h++: g = 1 + g; break; case arguments: arguments += NaN < (("function" & i) == []), g = 1 + (g = 1 + g), g = 1 + (g += 1), g += 1; break; case "function" == typeof a && 0 <= --b && a(!0): g = 1 + g, a.static = !1, g += 1, e && (e.get = 0); } break; case --y + void 0: g = 1 + g, a *= 0 != i; case {}: for (n = 5; h++ + (g += 1, !0) && 0 < n; --n) {} switch ((g += 1) + (g = 1 + g, typeof (0 === (NaN + this !== 38)))) { case --y + (g += 1, this < NaN): break; case h++ + {}: g = 1 + g, g += 1, e = !0; break; default: case (g += 1) + ("function" == typeof arguments && 0 <= --b && arguments({})): } } } g += 1; case y: f = +function await_1() { var t = function f1(bar) { t = 1 + t, arguments && (arguments[t = 1 + t, (arguments = 3) / !0] -= NaN), t = 1 + (t = 1 + t); }(); t += 1; }(), o = h++ + { a_1: o }; break; case void 0: for (c = 5; "function" == typeof f0 && 0 <= --b && f0(h++ + ("function" == typeof arguments && 0 <= --b && arguments(h++ + y, "function" == typeof f3 && 0 <= --b && f3()))) && 0 < --c; ) { r = function f2() { switch (o += -1 & NaN * !0o644n + !0, -1 in { value: (g = 1 + (g = 1 + g), "function" < i < (this < "function") && 1) }) { case --y + ("symbol" == typeof arguments_1): break; case --y + (o && "function" == typeof o.set && 0 <= --b && o.set()): g = 1 + g; break; case 3 in { NaN: (g = 1 + g, (o && (o[g = 1 + g, !0 * ("38" * i <= !0)] += 0)) < !1 != NaN) }: g = 1 + g, g += 1; break; case h++ + h++: o ^= 1, g = 1 + (g = 1 + g), arguments && (arguments[h++ + /[abc4]/.test((g = 1 + g, (0 === (f && (f[g = 1 + g, !0 & (f && (f[h++ + arguments] += !1 === (g += 1, -1)))] = !1)) || y || 5).toString()))] = (o && (o[g = 1 + g, g += 1, 0] = +("" + (0xdeadn << 16n | 0xbeefn)) % "object")) >> (o = 0)), g = 1 + g, o += 0; } }(h--, -5, ..."" + arguments); } for (s = 5; "function" == typeof f2 && 0 <= --b && f2(-5) && 0 < --s; ) { u = --y + --y; } for (o in --y + (arguments && "function" == typeof arguments.foo && 0 <= --b && (u && u.c, arguments.foo)(("" + (h++ + !1 || 7)).Infinity))) { for (g = 1 + g, N = 5; [ 22 ][[ 2 ]] && 0 < --N; ) {} } } } catch (t) { --y, --y, f = !1; } finally { i = function arguments_1(foo_2) { var t, a, e, n, o, c, s; try { for (t = 5; (y = h) && 0 < --t; ) {} } catch (t) { g = 1 + g, arguments && ({ b: arguments[(g += 1) + +y] } = { b: NaN }), g += 1; } switch (--y + "a") { case foo_2 && foo_2[[ !1 ^ (5 ^ i) - !1, (g = 1 + (g = 1 + g), -3 < ~(2 === [ , 0 ].length)) ]]: break; case u && u.Infinity: for (a = 5; h++ + (g = 1 + g, "23" / (arguments && (arguments.null %= 0)) + ("" < this) ? (g = 1 + g, -2 ^ "number" + (r && (r.null += !1))) : (g = 1 + g, 0 ^ {} >> (r && (r[g = 1 + g, ((2 < 3n) >>> -3) - (this || -4) + (u += this < -2) % (e && (e.c ^= -5))] += 0)))) && 0 < a; --a) { g = 1 + g; } for (n in e = void 0, h++ + { async: 0 }[g = 1 + (g = 1 + g), Infinity ^ 0 & (g += 1, 2)]) { g += 1; } break; case h++ + { next: (g += 1) + (f && f.next), "\t": (g += 1) + /[abc4]/.test((g = 1 + g, (NaN - (this << "23") + NaN || y || 5).toString())), var: h++, [{ done: (g = 1 + g, !1 < (e && (e[g = 1 + g, 38] /= "" | this)) != (f && (f[g = 1 + g, 0] = !1), !0)) }.set]: !1 in { in: (g = 1 + g, !1), a_1: e }, then: void 0 }: break; case h++ + ++h: for (c in o = { b: (g = 1 + g, 4 * (2 === [ , 0 ].length) === NaN ^ !0), NaN: (g = 1 + g, !(arguments && (arguments[g = 1 + g, "c" !== !1 >>> (g += 1, -3)] >>>= !0)) && -1) }.in) { switch (g = 1 + g, s = o[c], g = 1 + g, s && (s.a >>= (25 | i) < 0 >= (g += 1, [] << this))) { default: case g = 1 + g, c && (c[g = 1 + g, r && (r.c = NaN), g = 1 + (g = 1 + (g = 1 + g)), g += 1, foo_2 && (foo_2.done += NaN), g = 1 + g, g += 1, +void (s && (s.in += 0))] <<= ("24" << i) * (!1 + (i <= "object"))): case g = 1 + g, i / 3 / (i * /[a2][^e]+$/) | !1 + "b": case g = 1 + g, !1: } } g = 1 + g; } return y--; }(); } } while (--y + [ "symbol" == typeof b_2, u && u.foo, --y + {}.set ].var && 0 < --t); } console.log(null, h, y, g, Infinity, NaN, i);
original result: null 7 -2 34 Infinity NaN 1 uglified result: null 7 -2 36 Infinity NaN 1
// reduced test case (output will differ) // (beautified) var c = 0; var brake1 = 5; while (--brake1) { try { var arguments = function f0() {}(arguments.var = ((arguments.in = "b") && (c = c + 1, "c")) <= 0); } catch (bar_1) {} } console.log(c); // output: 1 // // minify: 4 // // options: { // "compress": { // "hoist_vars": true, // "keep_infinity": true, // "passes": 1000000, // "unsafe": true // }, // "keep_fargs": true, // "keep_fnames": true, // "module": false, // "toplevel": true, // "output": { // "v8": true // }, // "validate": true // }
minify(options): { "compress": { "hoist_vars": true, "keep_infinity": true, "passes": 1000000, "unsafe": true }, "keep_fargs": true, "keep_fnames": true, "module": false, "toplevel": true, "output": { "v8": true } } Suspicious compress options: booleans collapse_vars evaluate pure_getters reduce_vars sequences unsafe
alexlamsl
commented
1 week ago alexlamsl
commented
1 week ago