Files
UglifyJS/test/compress/functions.js
2017-06-15 12:14:16 +08:00

417 lines
9.5 KiB
JavaScript

non_ascii_function_identifier_name: {
input: {
function fooλ(δλ) {}
function λ(δλ) {}
(function λ(δλ) {})()
}
expect_exact: "function fooλ(δλ){}function λ(δλ){}(function λ(δλ){})();"
}
iifes_returning_constants_keep_fargs_true: {
options = {
keep_fargs : true,
side_effects : true,
evaluate : true,
unused : true,
dead_code : true,
conditionals : true,
comparisons : true,
booleans : true,
if_return : true,
join_vars : true,
reduce_vars : true,
cascade : true,
inline : true,
}
input: {
(function(){ return -1.23; }());
console.log( function foo(){ return "okay"; }() );
console.log( function foo(x, y, z){ return 123; }() );
console.log( function(x, y, z){ return z; }() );
console.log( function(x, y, z){ if (x) return y; return z; }(1, 2, 3) );
console.log( function(x, y){ return x * y; }(2, 3) );
console.log( function(x, y){ return x * y; }(2, 3, a(), b()) );
}
expect: {
console.log("okay");
console.log(123);
console.log(void 0);
console.log(2);
console.log(6);
console.log((a(), b(), 6));
}
expect_stdout: true
}
iifes_returning_constants_keep_fargs_false: {
options = {
keep_fargs : false,
side_effects : true,
evaluate : true,
unused : true,
dead_code : true,
conditionals : true,
comparisons : true,
booleans : true,
if_return : true,
join_vars : true,
reduce_vars : true,
cascade : true,
inline : true,
}
input: {
(function(){ return -1.23; }());
console.log( function foo(){ return "okay"; }() );
console.log( function foo(x, y, z){ return 123; }() );
console.log( function(x, y, z){ return z; }() );
console.log( function(x, y, z){ if (x) return y; return z; }(1, 2, 3) );
console.log( function(x, y){ return x * y; }(2, 3) );
console.log( function(x, y){ return x * y; }(2, 3, a(), b()) );
}
expect: {
console.log("okay");
console.log(123);
console.log(void 0);
console.log(2);
console.log(6);
console.log((a(), b(), 6));
}
expect_stdout: true
}
issue_485_crashing_1530: {
options = {
conditionals: true,
dead_code: true,
evaluate: true,
inline: true,
}
input: {
(function(a) {
if (true) return;
var b = 42;
})(this);
}
expect: {
this, void 0;
}
}
issue_1841_1: {
options = {
keep_fargs: false,
pure_getters: "strict",
reduce_vars: true,
unused: true,
}
input: {
var b = 10;
!function(arg) {
for (var key in "hi")
var n = arg.baz, n = [ b = 42 ];
}(--b);
console.log(b);
}
expect: {
var b = 10;
!function() {
for (var key in "hi")
b = 42;
}(--b);
console.log(b);
}
expect_exact: "42"
}
issue_1841_2: {
options = {
keep_fargs: false,
pure_getters: false,
reduce_vars: true,
unused: true,
}
input: {
var b = 10;
!function(arg) {
for (var key in "hi")
var n = arg.baz, n = [ b = 42 ];
}(--b);
console.log(b);
}
expect: {
var b = 10;
!function(arg) {
for (var key in "hi")
arg.baz, b = 42;
}(--b);
console.log(b);
}
expect_exact: "42"
}
function_returning_constant_literal: {
options = {
reduce_vars: true,
unsafe: true,
toplevel: true,
evaluate: true,
cascade: true,
unused: true,
inline: true,
}
input: {
function greeter() {
return { message: 'Hello there' };
}
var greeting = greeter();
console.log(greeting.message);
}
expect: {
console.log("Hello there");
}
expect_stdout: "Hello there"
}
hoist_funs: {
options = {
hoist_funs: true,
}
input: {
console.log(1, typeof f, typeof g);
if (console.log(2, typeof f, typeof g))
console.log(3, typeof f, typeof g);
else {
console.log(4, typeof f, typeof g);
function f() {}
console.log(5, typeof f, typeof g);
}
function g() {}
console.log(6, typeof f, typeof g);
}
expect: {
function f() {}
function g() {}
console.log(1, typeof f, typeof g);
if (console.log(2, typeof f, typeof g))
console.log(3, typeof f, typeof g);
else {
console.log(4, typeof f, typeof g);
console.log(5, typeof f, typeof g);
}
console.log(6, typeof f, typeof g);
}
expect_stdout: [
"1 'function' 'function'",
"2 'function' 'function'",
"4 'function' 'function'",
"5 'function' 'function'",
"6 'function' 'function'",
]
node_version: "<=4"
}
hoist_funs_strict: {
options = {
hoist_funs: true,
}
input: {
"use strict";
console.log(1, typeof f, typeof g);
if (console.log(2, typeof f, typeof g))
console.log(3, typeof f, typeof g);
else {
console.log(4, typeof f, typeof g);
function f() {}
console.log(5, typeof f, typeof g);
}
function g() {}
console.log(6, typeof f, typeof g);
}
expect: {
"use strict";
function g() {}
console.log(1, typeof f, typeof g);
if (console.log(2, typeof f, typeof g))
console.log(3, typeof f, typeof g);
else {
console.log(4, typeof f, typeof g);
function f() {}
console.log(5, typeof f, typeof g);
}
console.log(6, typeof f, typeof g);
}
expect_stdout: [
"1 'undefined' 'function'",
"2 'undefined' 'function'",
"4 'function' 'function'",
"5 'function' 'function'",
"6 'undefined' 'function'",
]
node_version: ">=4"
}
issue_203: {
options = {
keep_fargs: false,
side_effects: true,
unsafe_Func: true,
unused: true,
}
input: {
var m = {};
var fn = Function("require", "module", "exports", "module.exports = 42;");
fn(null, m, m.exports);
console.log(m.exports);
}
expect: {
var m = {};
var fn = Function("a", "b", "b.exports=42");
fn(null, m, m.exports);
console.log(m.exports);
}
expect_stdout: "42"
}
no_webkit: {
beautify = {
webkit: false,
}
input: {
console.log(function() {
1 + 1;
}.a = 1);
}
expect_exact: "console.log(function(){1+1}.a=1);"
expect_stdout: "1"
}
webkit: {
beautify = {
webkit: true,
}
input: {
console.log(function() {
1 + 1;
}.a = 1);
}
expect_exact: "console.log((function(){1+1}).a=1);"
expect_stdout: "1"
}
issue_2084: {
options = {
collapse_vars: true,
conditionals: true,
evaluate: true,
inline: true,
passes: 2,
reduce_vars: true,
sequences: true,
side_effects: true,
unused: true,
}
input: {
var c = 0;
!function() {
!function(c) {
c = 1 + c;
var c = 0;
function f14(a_1) {
if (c = 1 + c, 0 !== 23..toString())
c = 1 + c, a_1 && (a_1[0] = 0);
}
f14();
}(-1);
}();
console.log(c);
}
expect: {
var c = 0;
!function(c) {
c = 1 + c,
c = 1 + (c = 0),
0 !== 23..toString() && (c = 1 + c);
}(-1),
console.log(c);
}
expect_stdout: "0"
}
issue_2097: {
options = {
negate_iife: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
function f() {
try {
throw 0;
} catch (e) {
console.log(arguments[0]);
}
}
f(1);
}
expect: {
!function() {
try {
throw 0;
} catch (e) {
console.log(arguments[0]);
}
}(1);
}
expect_stdout: "1"
}
issue_2101: {
options = {
inline: true,
}
input: {
a = {};
console.log(function() {
return function() {
return this.a;
}();
}() === function() {
return a;
}());
}
expect: {
a = {};
console.log(function() {
return this.a;
}() === a);
}
expect_stdout: "true"
}
inner_ref: {
options = {
inline: true,
unused: true,
}
input: {
console.log(function(a) {
return function() {
return a;
}();
}(1), function(a) {
return function(a) {
return a;
}();
}(2));
}
expect: {
console.log(function(a) {
return a;
}(1), function(a) {
return a;
}());
}
expect_stdout: "1 undefined"
}