Files
UglifyJS/test/compress/pure_funcs.js
2020-12-24 09:56:02 +08:00

810 lines
16 KiB
JavaScript

array: {
options = {
pure_funcs: [ "Math.floor" ],
side_effects: true,
}
input: {
var a;
function f(b) {
Math.floor(a / b);
Math.floor(c / b);
}
}
expect: {
var a;
function f(b) {
c;
}
}
}
func: {
options = {
pure_funcs: function(node) {
return !~node.args[0].print_to_string().indexOf("a");
},
side_effects: true,
}
input: {
function f(a, b) {
Math.floor(a / b);
Math.floor(c / b);
}
}
expect: {
function f(a, b) {
Math.floor(c / b);
}
}
}
side_effects: {
options = {
pure_funcs: [ "console.log" ],
side_effects: true,
}
input: {
function f(a, b) {
console.log(a());
console.log(b);
}
}
expect: {
function f(a, b) {
a();
}
}
}
unused: {
options = {
pure_funcs: [ "pure" ],
side_effects: true,
unused: true,
}
input: {
function foo() {
var u = pure(1);
var x = pure(2);
var y = pure(x);
var z = pure(pure(side_effects()));
return pure(3);
}
}
expect: {
function foo() {
side_effects();
return pure(3);
}
}
}
babel: {
options = {
pure_funcs: [ "_classCallCheck" ],
side_effects: true,
unused: true,
}
input: {
function _classCallCheck(instance, Constructor) {
if (!(instance instanceof Constructor))
throw new TypeError("Cannot call a class as a function");
}
var Foo = function Foo() {
_classCallCheck(this, Foo);
};
}
expect: {
function _classCallCheck(instance, Constructor) {
if (!(instance instanceof Constructor))
throw new TypeError("Cannot call a class as a function");
}
var Foo = function() {
};
}
}
conditional: {
options = {
pure_funcs: [ "pure" ],
side_effects: true,
}
input: {
pure(1 | a() ? 2 & b() : 7 ^ c());
pure(1 | a() ? 2 & b() : 5);
pure(1 | a() ? 4 : 7 ^ c());
pure(1 | a() ? 4 : 5);
pure(3 ? 2 & b() : 7 ^ c());
pure(3 ? 2 & b() : 5);
pure(3 ? 4 : 7 ^ c());
pure(3 ? 4 : 5);
}
expect: {
1 | a() ? b() : c();
1 | a() && b();
1 | a() || c();
a();
3 ? b() : c();
3 && b();
3 || c();
}
}
relational: {
options = {
pure_funcs: [ "foo" ],
side_effects :true,
}
input: {
foo() in new foo();
foo() instanceof bar();
foo() < "bar";
bar() > foo();
bar() != bar();
bar() !== "bar";
"bar" == foo();
"bar" === bar();
"bar" >= "bar";
}
expect: {
bar();
bar();
bar(), bar();
bar();
bar();
}
}
arithmetic: {
options = {
pure_funcs: [ "foo" ],
side_effects :true,
}
input: {
foo() + foo();
foo() - bar();
foo() * "bar";
bar() / foo();
bar() & bar();
bar() | "bar";
"bar" >> foo();
"bar" << bar();
"bar" >>> "bar";
}
expect: {
bar();
bar();
bar(), bar();
bar();
bar();
}
}
boolean_and: {
options = {
pure_funcs: [ "foo" ],
side_effects :true,
}
input: {
foo() && foo();
foo() && bar();
foo() && "bar";
bar() && foo();
bar() && bar();
bar() && "bar";
"bar" && foo();
"bar" && bar();
"bar" && "bar";
}
expect: {
foo() && bar();
bar();
bar() && bar();
bar();
"bar" && bar();
}
}
boolean_or: {
options = {
pure_funcs: [ "foo" ],
side_effects :true,
}
input: {
foo() || foo();
foo() || bar();
foo() || "bar";
bar() || foo();
bar() || bar();
bar() || "bar";
"bar" || foo();
"bar" || bar();
"bar" || "bar";
}
expect: {
foo() || bar();
bar();
bar() || bar();
bar();
"bar" || bar();
}
}
assign: {
options = {
pure_funcs: [ "foo" ],
side_effects :true,
}
input: {
var a;
function f(b) {
a = foo();
b *= 4 + foo();
c >>= 0 | foo();
}
}
expect: {
var a;
function f(b) {
a = foo();
b *= 4 + foo();
c >>= 0 | foo();
}
}
}
unary: {
options = {
pure_funcs: [ "foo" ],
side_effects :true,
}
input: {
typeof foo();
typeof bar();
typeof "bar";
void foo();
void bar();
void "bar";
delete a[foo()];
delete a[bar()];
delete a["bar"];
a[foo()]++;
a[bar()]++;
a["bar"]++;
--a[foo()];
--a[bar()];
--a["bar"];
~foo();
~bar();
~"bar";
}
expect: {
bar();
bar();
delete a[foo()];
delete a[bar()];
delete a["bar"];
a[foo()]++;
a[bar()]++;
a["bar"]++;
--a[foo()];
--a[bar()];
--a["bar"];
bar();
}
}
issue_2629_1: {
options = {
side_effects: true,
}
beautify = {
comments: "all",
}
input: {
/*@__PURE__*/ a();
/*@__PURE__*/ (b());
(/*@__PURE__*/ c)();
(/*@__PURE__*/ d());
}
expect_exact: [
"/* */c();",
]
}
issue_2629_2: {
options = {
side_effects: true,
}
beautify = {
comments: "all",
}
input: {
/*@__PURE__*/ a(1)(2)(3);
/*@__PURE__*/ (b(1))(2)(3);
/*@__PURE__*/ (c(1)(2))(3);
/*@__PURE__*/ (d(1)(2)(3));
(/*@__PURE__*/ e)(1)(2)(3);
(/*@__PURE__*/ f(1))(2)(3);
(/*@__PURE__*/ g(1)(2))(3);
(/*@__PURE__*/ h(1)(2)(3));
}
expect_exact: [
"/* */e(1)(2)(3);",
"/* */f(1)(2)(3);",
"/* */g(1)(2)(3);",
]
}
issue_2629_3: {
options = {
side_effects: true,
}
beautify = {
comments: "all",
}
input: {
/*@__PURE__*/ a.x(1).y(2).z(3);
/*@__PURE__*/ (b.x)(1).y(2).z(3);
/*@__PURE__*/ (c.x(1)).y(2).z(3);
/*@__PURE__*/ (d.x(1).y)(2).z(3);
/*@__PURE__*/ (e.x(1).y(2)).z(3);
/*@__PURE__*/ (f.x(1).y(2).z)(3);
/*@__PURE__*/ (g.x(1).y(2).z(3));
(/*@__PURE__*/ h).x(1).y(2).z(3);
(/*@__PURE__*/ i.x)(1).y(2).z(3);
(/*@__PURE__*/ j.x(1)).y(2).z(3);
(/*@__PURE__*/ k.x(1).y)(2).z(3);
(/*@__PURE__*/ l.x(1).y(2)).z(3);
(/*@__PURE__*/ m.x(1).y(2).z)(3);
(/*@__PURE__*/ n.x(1).y(2).z(3));
}
expect_exact: [
"/* */h.x(1).y(2).z(3);",
"/* */i.x(1).y(2).z(3);",
"/* */j.x(1).y(2).z(3);",
"/* */k.x(1).y(2).z(3);",
"/* */l.x(1).y(2).z(3);",
"/* */m.x(1).y(2).z(3);",
]
}
issue_2629_4: {
options = {
side_effects: true,
}
input: {
(/*@__PURE__*/ x(), y());
(w(), /*@__PURE__*/ x(), y());
}
expect: {
y();
w(), y();
}
}
issue_2629_5: {
options = {
side_effects: true,
}
input: {
[ /*@__PURE__*/ x() ];
[ /*@__PURE__*/ x(), y() ];
[ w(), /*@__PURE__*/ x(), y() ];
}
expect: {
y();
w(), y();
}
}
issue_2638: {
options = {
side_effects: true,
}
beautify = {
comments: "all",
}
input: {
/*@__PURE__*/(g() || h())(x(), y());
(/*@__PURE__*/ (a() || b()))(c(), d());
}
expect_exact: [
"/* */x(),y();",
"/* */(a()||b())(c(),d());",
]
}
issue_2705_1: {
options = {
side_effects: true,
}
beautify = {
comments: "all",
}
input: {
/*@__PURE__*/ new a();
/*@__PURE__*/ (new b());
new (/*@__PURE__*/ c)();
(/*@__PURE__*/ new d());
}
expect_exact: [
"new/* */c;",
]
}
issue_2705_2: {
options = {
side_effects: true,
}
beautify = {
comments: "all",
}
input: {
/*@__PURE__*/ new a(1)(2)(3);
/*@__PURE__*/ new (b(1))(2)(3);
/*@__PURE__*/ new (c(1)(2))(3);
/*@__PURE__*/ new (d(1)(2)(3));
new (/*@__PURE__*/ e)(1)(2)(3);
(/*@__PURE__*/ new f(1))(2)(3);
(/*@__PURE__*/ new g(1)(2))(3);
(/*@__PURE__*/ new h(1)(2)(3));
}
expect_exact: [
"new/* */e(1)(2)(3);",
"/* */new f(1)(2)(3);",
"/* */new g(1)(2)(3);",
]
}
issue_2705_3: {
options = {
side_effects: true,
}
beautify = {
comments: "all",
}
input: {
/*@__PURE__*/ new a.x(1).y(2).z(3);
/*@__PURE__*/ new (b.x)(1).y(2).z(3);
/*@__PURE__*/ new (c.x(1)).y(2).z(3);
/*@__PURE__*/ new (d.x(1).y)(2).z(3);
/*@__PURE__*/ new (e.x(1).y(2)).z(3);
/*@__PURE__*/ new (f.x(1).y(2).z)(3);
/*@__PURE__*/ new (g.x(1).y(2).z(3));
new (/*@__PURE__*/ h).x(1).y(2).z(3);
/* */ new (/*@__PURE__*/ i.x)(1).y(2).z(3);
(/*@__PURE__*/ new j.x(1)).y(2).z(3);
(/*@__PURE__*/ new k.x(1).y)(2).z(3);
(/*@__PURE__*/ new l.x(1).y(2)).z(3);
(/*@__PURE__*/ new m.x(1).y(2).z)(3);
(/*@__PURE__*/ new n.x(1).y(2).z(3));
}
expect_exact: [
"new/* */h.x(1).y(2).z(3);",
"/* */new/* */i.x(1).y(2).z(3);",
"/* */new j.x(1).y(2).z(3);",
"/* */new k.x(1).y(2).z(3);",
"/* */new l.x(1).y(2).z(3);",
"/* */new m.x(1).y(2).z(3);",
]
}
issue_2705_4: {
options = {
side_effects: true,
}
input: {
(/*@__PURE__*/ new x(), y());
(w(), /*@__PURE__*/ new x(), y());
}
expect: {
y();
w(), y();
}
}
issue_2705_5: {
options = {
side_effects: true,
}
input: {
[ /*@__PURE__*/ new x() ];
[ /*@__PURE__*/ new x(), y() ];
[ w(), /*@__PURE__*/ new x(), y() ];
}
expect: {
y();
w(), y();
}
}
issue_2705_6: {
options = {
side_effects: true,
}
beautify = {
comments: "all",
}
input: {
/*@__PURE__*/new (g() || h())(x(), y());
/* */ new (/*@__PURE__*/ (a() || b()))(c(), d());
}
expect_exact: [
"/* */x(),y();",
"/* */new(/* */a()||b())(c(),d());",
]
}
issue_3065_1: {
options = {
inline: true,
pure_funcs: [ "pureFunc" ],
reduce_vars: true,
side_effects: true,
toplevel: true,
unused: true,
}
input: {
function modifyWrapper(a, f, wrapper) {
wrapper.a = a;
wrapper.f = f;
return wrapper;
}
function pureFunc(fun) {
return modifyWrapper(1, fun, function(a) {
return fun(a);
});
}
var unused = pureFunc(function(x) {
return x;
});
}
expect: {}
}
issue_3065_2: {
rename = true
options = {
inline: true,
pure_funcs: [ "pureFunc" ],
reduce_vars: true,
side_effects: true,
toplevel: true,
unused: true,
}
mangle = {
reserved: [ "pureFunc" ],
toplevel: true,
}
input: {
function modifyWrapper(a, f, wrapper) {
wrapper.a = a;
wrapper.f = f;
return wrapper;
}
function pureFunc(fun) {
return modifyWrapper(1, fun, function(a) {
return fun(a);
});
}
var unused = pureFunc(function(x) {
return x;
});
}
expect: {}
}
issue_3065_3: {
options = {
pure_funcs: [ "debug" ],
reduce_vars: true,
side_effects: true,
toplevel: true,
unused: true,
}
input: {
function debug(msg) {
console.log(msg);
}
debug(function() {
console.log("PASS");
return "FAIL";
}());
}
expect: {
(function() {
console.log("PASS");
})();
}
}
issue_3065_4: {
options = {
pure_funcs: [ "debug" ],
reduce_vars: true,
side_effects: true,
toplevel: true,
unused: true,
}
input: {
var debug = function(msg) {
console.log(msg);
};
debug(function() {
console.log("PASS");
return "FAIL";
}());
}
expect: {
(function() {
console.log("PASS");
})();
}
}
issue_3325_1: {
options = {
pure_funcs: "cb",
side_effects: true,
}
input: {
function cb() {
console.log("PASS");
}
cb();
}
expect: {
function cb() {
console.log("PASS");
}
}
}
issue_3325_2: {
options = {
pure_funcs: "xxxcbxxx",
side_effects: true,
}
input: {
function cb() {
console.log("PASS");
}
cb();
}
expect: {
function cb() {
console.log("PASS");
}
cb();
}
expect_stdout: "PASS"
}
issue_3858: {
options = {
collapse_vars: true,
inline: true,
keep_fargs: false,
unused: true,
}
input: {
var f = function(a) {
return /*@__PURE__*/ function(b) {
console.log(b);
}(a);
};
f("PASS");
}
expect: {
var f = function(a) {
return function() {
console.log(a);
}();
};
f("PASS");
}
expect_stdout: "PASS"
}
inline_pure_call_1: {
options = {
collapse_vars: true,
inline: true,
keep_fargs: false,
reduce_vars: true,
sequences: true,
side_effects: true,
toplevel: true,
unused: true,
}
input: {
var f = function(a) {
return /*@__PURE__*/ function(b) {
console.log(b);
}(a);
};
f("PASS");
}
expect: {}
}
inline_pure_call_2: {
options = {
collapse_vars: true,
inline: true,
keep_fargs: false,
reduce_vars: true,
sequences: true,
side_effects: true,
toplevel: true,
unused: true,
}
input: {
var f = function(a) {
return /*@__PURE__*/ function(b) {
console.log(b);
}(a);
};
var a = f("PASS");
}
expect: {}
}
inline_pure_call_3: {
options = {
collapse_vars: true,
evaluate: true,
inline: true,
keep_fargs: false,
passes: 2,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
var f = function(a) {
return /*@__PURE__*/ function(b) {
console.log(b);
}(a);
};
var a = f("PASS");
console.log(a);
}
expect: {
var a = function() {
console.log("PASS");
}();
console.log(a);
}
expect_stdout: [
"PASS",
"undefined",
]
}
inline_pure_call_4: {
options = {
evaluate: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
var a = /*@__PURE__*/ function() {
return console.log("PASS"), 42;
}();
console.log(a);
}
expect: {
var a = function() {
return console.log("PASS"), 42;
}();
console.log(a);
}
expect_stdout: [
"PASS",
"42",
]
}