hoist_props.js
issue_2377_1: {
options = {
evaluate: true,
inline: true,
hoist_props: true,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
var obj = {
foo: 1,
bar: 2,
square: function(x) {
return x * x;
},
cube: function(x) {
return x * x * x;
},
};
console.log(obj.foo, obj.cube(3));
}
expect: {
var obj_foo = 1, obj_cube = function(x) {
return x * x * x;
};
console.log(obj_foo, obj_cube(3));
}
expect_stdout: "1 27"
}
issue_2377_2: {
options = {
evaluate: true,
inline: true,
hoist_props: true,
passes: 2,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
var obj = {
foo: 1,
bar: 2,
square: function(x) {
return x * x;
},
cube: function(x) {
return x * x * x;
},
};
console.log(obj.foo, obj.cube(3));
}
expect: {
console.log(1, (x = 3, x * x * x));
var x;
}
expect_stdout: "1 27"
}
issue_2377_3: {
options = {
evaluate: true,
inline: true,
hoist_props: true,
passes: 4,
reduce_funcs: true,
reduce_vars: true,
side_effects: true,
toplevel: true,
unused: true,
}
input: {
var obj = {
foo: 1,
bar: 2,
square: function(x) {
return x * x;
},
cube: function(x) {
return x * x * x;
},
};
console.log(obj.foo, obj.cube(3));
}
expect: {
console.log(1, 27);
}
expect_stdout: "1 27"
}
direct_access_1: {
options = {
hoist_props: true,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
var a = 0;
var obj = {
a: 1,
b: 2,
};
for (var k in obj) a++;
console.log(a, obj.a);
}
expect: {
var a = 0;
var obj = {
a: 1,
b: 2,
};
for (var k in obj) a++;
console.log(a, obj.a);
}
expect_stdout: "2 1"
}
direct_access_2: {
options = {
hoist_props: true,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
var o = { a: 1 };
var f = function(k) {
if (o[k]) return "PASS";
};
console.log(f("a"));
}
expect: {
var o = { a: 1 };
console.log(function(k) {
if (o[k]) return "PASS";
}("a"));
}
expect_stdout: "PASS"
}
direct_access_3: {
options = {
hoist_props: true,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
var o = { a: 1 };
o.b;
console.log(o.a);
}
expect: {
var o = { a: 1 };
o.b;
console.log(o.a);
}
expect_stdout: "1"
}
single_use: {
options = {
hoist_props: true,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
var obj = {
bar: function() {
return 42;
},
};
console.log(obj.bar());
}
expect: {
console.log({
bar: function() {
return 42;
},
}.bar());
}
}
name_collision_1: {
options = {
hoist_props: true,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
}
input: {
var obj_foo = 1;
var obj_bar = 2;
function f() {
var obj = {
foo: 3,
bar: 4,
"b-r": 5,
"b+r": 6,
"b!r": 7,
};
console.log(obj_foo, obj.foo, obj.bar, obj["b-r"], obj["b+r"], obj["b!r"]);
}
f();
}
expect: {
var obj_foo = 1;
var obj_bar = 2;
function f() {
var obj_foo$0 = 3,
obj_bar = 4,
obj_b_r = 5,
obj_b_r$0 = 6,
obj_b_r$1 = 7;
console.log(obj_foo, obj_foo$0, obj_bar, obj_b_r, obj_b_r$0, obj_b_r$1);
}
f();
}
expect_stdout: "1 3 4 5 6 7"
}
name_collision_2: {
options = {
hoist_props: true,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
}
input: {
var o = {
p: 1,
"+": function(x) {
return x;
},
"-": function(x) {
return x + 1;
}
}, o__$0 = 2, o__$1 = 3;
console.log(o.p === o.p, o["+"](4), o["-"](5), o__$0, o__$1);
}
expect: {
var o_p = 1,
o__ = function(x) {
return x;
},
o__$2 = function(x) {
return x + 1;
},
o__$0 = 2,
o__$1 = 3;
console.log(o_p === o_p, o__(4), o__$2(5), o__$0, o__$1);
}
expect_stdout: "true 4 6 2 3"
}
name_collision_3: {
options = {
hoist_props: true,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
}
input: {
var o = {
p: 1,
"+": function(x) {
return x;
},
"-": function(x) {
return x + 1;
}
}, o__$0 = 2, o__$1 = 3;
console.log(o.p === o.p, o["+"](4), o["-"](5));
}
expect: {
var o_p = 1,
o__ = function(x) {
return x;
},
o__$2 = function(x) {
return x + 1;
},
o__$0 = 2,
o__$1 = 3;
console.log(o_p === o_p, o__(4), o__$2(5));
}
expect_stdout: "true 4 6"
}
contains_this_1: {
options = {
evaluate: true,
hoist_props: true,
inline: true,
passes: 2,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
var o = {
u: function() {
return this === this;
},
p: 1
};
console.log(o.p, o.p);
}
expect: {
console.log(1, 1);
}
expect_stdout: "1 1"
}
contains_this_2: {
options = {
evaluate: true,
hoist_props: true,
inline: true,
passes: 2,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
var o = {
u: function() {
return this === this;
},
p: 1
};
console.log(o.p, o.p, o.u);
}
expect: {
console.log(1, 1, function() {
return this === this;
});
}
expect_stdout: true
}
contains_this_3: {
options = {
evaluate: true,
hoist_props: true,
inline: true,
passes: 2,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
var o = {
u: function() {
return this === this;
},
p: 1
};
console.log(o.p, o.p, o.u());
}
expect: {
var o = {
u: function() {
return this === this;
},
p: 1
};
console.log(o.p, o.p, o.u());
}
expect_stdout: "1 1 true"
}
new_this: {
options = {
evaluate: true,
hoist_props: true,
inline: true,
passes: 2,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
var o = {
a: 1,
b: 2,
f: function(a) {
this.b = a;
}
};
console.log(new o.f(o.a).b, o.b);
}
expect: {
console.log(new function(a) {
this.b = a;
}(1).b, 2);
}
expect_stdout: "1 2"
}
issue_2473_1: {
options = {
hoist_props: false,
reduce_vars: true,
top_retain: [ "x", "y" ],
toplevel: true,
unused: true,
}
input: {
var x = {};
var y = [];
var z = {};
}
expect: {
var x = {};
var y = [];
}
}
issue_2473_2: {
options = {
hoist_props: true,
reduce_vars: true,
top_retain: [ "x", "y" ],
toplevel: true,
unused: true,
}
input: {
var x = {};
var y = [];
var z = {};
}
expect: {
var x = {};
var y = [];
}
}
issue_2473_3: {
options = {
hoist_props: true,
reduce_vars: true,
top_retain: "o",
toplevel: true,
unused: true,
}
input: {
var o = {
a: 1,
b: 2,
};
console.log(o.a, o.b);
}
expect: {
var o = {
a: 1,
b: 2,
};
console.log(o.a, o.b);
}
expect_stdout: "1 2"
}
issue_2473_4: {
options = {
hoist_props: true,
reduce_vars: true,
top_retain: "o",
toplevel: true,
unused: true,
}
input: {
(function() {
var o = {
a: 1,
b: 2,
};
console.log(o.a, o.b);
})();
}
expect: {
(function() {
var o_a = 1, o_b = 2;
console.log(o_a, o_b);
})();
}
expect_stdout: "1 2"
}
issue_2508_1: {
options = {
collapse_vars: true,
hoist_props: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
var o = {
a: [ 1 ],
f: function(x) {
console.log(x);
}
};
o.f(o.a);
}
expect: {
(function(x) {
console.log(x);
})([ 1 ]);
}
expect_stdout: true
}
issue_2508_2: {
options = {
collapse_vars: true,
hoist_props: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
var o = {
a: { b: 2 },
f: function(x) {
console.log(x);
}
};
o.f(o.a);
}
expect: {
(function(x) {
console.log(x);
})({ b: 2 });
}
expect_stdout: true
}
issue_2508_3: {
options = {
collapse_vars: true,
hoist_props: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
var o = {
a: [ o ],
f: function(x) {
console.log(x);
}
};
o.f(o.a);
}
expect: {
var o = {
a: [ o ],
f: function(x) {
console.log(x);
}
};
o.f(o.a);
}
expect_stdout: true
}
issue_2508_4: {
options = {
collapse_vars: true,
hoist_props: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
var o = {
a: { b: o },
f: function(x) {
console.log(x);
}
};
o.f(o.a);
}
expect: {
var o = {
a: { b: o },
f: function(x) {
console.log(x);
}
};
o.f(o.a);
}
expect_stdout: true
}
issue_2508_5: {
options = {
collapse_vars: true,
hoist_props: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
var o = {
f: function(x) {
console.log(x);
}
};
o.f(o.f);
}
expect: {
var o_f = function(x) {
console.log(x);
};
o_f(o_f);
}
expect_stdout: true
}
issue_2519: {
options = {
collapse_vars: true,
evaluate: true,
hoist_props: true,
reduce_vars: true,
unused: true,
}
input: {
function testFunc() {
var dimensions = {
minX: 5,
maxX: 6,
};
var scale = 1;
var d = {
x: (dimensions.maxX + dimensions.minX) / 2,
};
return d.x * scale;
}
console.log(testFunc());
}
expect: {
function testFunc() {
return 1 * ((6 + 5) / 2);
}
console.log(testFunc());
}
expect_stdout: "5.5"
}
undefined_key: {
options = {
evaluate: true,
hoist_props: true,
join_vars: true,
passes: 4,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
var a, o = {};
o[a] = 1;
o.b = 2;
console.log(o[a] + o.b);
}
expect: {
console.log(3);
}
expect_stdout: "3"
}
issue_3021: {
options = {
hoist_props: true,
reduce_vars: true,
}
input: {
var a = 1, b = 2;
(function() {
b = a;
if (a++ + b--)
return 1;
return;
var b = {};
})();
console.log(a, b);
}
expect: {
var a = 1, b = 2;
(function() {
b = a;
if (a++ + b--)
return 1;
return;
var b = {};
})();
console.log(a, b);
}
expect_stdout: "2 2"
}