Files
UglifyJS/test/compress/typeof.js
Alex Lam S.L 8da3754e51 improve evaluate on typeof (#2550)
- gated through `typeofs`
2017-12-02 02:18:33 +08:00

141 lines
2.8 KiB
JavaScript

typeof_evaluation: {
options = {
evaluate: true,
typeofs: true,
};
input: {
a = typeof 1;
b = typeof 'test';
c = typeof [];
d = typeof {};
e = typeof /./;
f = typeof false;
g = typeof function(){};
h = typeof undefined;
}
expect: {
a='number';
b='string';
c=typeof[];
d=typeof{};
e=typeof/./;
f='boolean';
g='function';
h='undefined';
}
}
typeof_in_boolean_context: {
options = {
booleans : true,
evaluate : true,
conditionals : true,
side_effects : true,
};
input: {
function f1(x) { return typeof x ? "yes" : "no"; }
function f2() { return typeof g()? "Yes" : "No"; }
typeof 0 ? foo() : bar();
!typeof console.log(1);
var a = !typeof console.log(2);
if (typeof (1 + foo()));
}
expect: {
function f1(x) { return "yes"; }
function f2() { return g(), "Yes"; }
foo();
console.log(1);
var a = !(console.log(2), 1);
foo();
}
}
issue_1668: {
options = {
booleans: true,
}
input: {
if (typeof bar);
}
expect: {
if (1);
}
}
typeof_defun_1: {
options = {
evaluate: true,
inline: true,
passes: 2,
reduce_vars: true,
side_effects: true,
toplevel: true,
typeofs: true,
unused: true,
}
input: {
function f() {
console.log("YES");
}
function g() {
h = 42;
console.log("NOPE");
}
function h() {
console.log("YUP");
}
g = 42;
"function" == typeof f && f();
"function" == typeof g && g();
"function" == typeof h && h();
}
expect: {
function g() {
h = 42;
console.log("NOPE");
}
function h() {
console.log("YUP");
}
g = 42;
console.log("YES");
"function" == typeof g && g();
h();
}
expect_stdout: [
"YES",
"YUP",
]
}
typeof_defun_2: {
options = {
evaluate: true,
reduce_vars: true,
toplevel: true,
typeofs: true,
}
input: {
var f = function() {
console.log(x);
};
var x = 0;
x++ < 2 && typeof f == "function" && f();
x++ < 2 && typeof f == "function" && f();
x++ < 2 && typeof f == "function" && f();
}
expect: {
var f = function() {
console.log(x);
};
var x = 0;
x++ < 2 && f();
x++ < 2 && f();
x++ < 2 && f();
}
expect_stdout: [
"1",
"2",
]
}