Files
UglifyJS/test/compress/arrows.js
2021-02-25 09:01:45 +08:00

806 lines
16 KiB
JavaScript

no_funarg: {
input: {
(() => console.log(42))();
}
expect_exact: "(()=>console.log(42))();"
expect_stdout: "42"
node_version: ">=4"
}
single_funarg: {
input: {
(a => console.log(a))(42);
}
expect_exact: "(a=>console.log(a))(42);"
expect_stdout: "42"
node_version: ">=4"
}
multiple_funargs: {
input: {
((a, b) => console.log(a, b))("foo", "bar");
}
expect_exact: '((a,b)=>console.log(a,b))("foo","bar");'
expect_stdout: "foo bar"
node_version: ">=4"
}
destructured_funarg: {
input: {
(([ a, b, c ]) => console.log(a, b, c))("foo");
}
expect_exact: '(([a,b,c])=>console.log(a,b,c))("foo");'
expect_stdout: "f o o"
node_version: ">=6"
}
await_parentheses: {
input: {
async function f() {
await (a => a);
}
}
expect_exact: "async function f(){await(a=>a)}"
}
for_parentheses_init: {
input: {
for (a => (a in a); console.log(42););
}
expect_exact: "for((a=>a in a);console.log(42););"
expect_stdout: "42"
node_version: ">=4"
}
for_parentheses_condition: {
input: {
for (console.log(42); a => (a in a);)
break;
}
expect_exact: "for(console.log(42);a=>a in a;)break;"
expect_stdout: "42"
node_version: ">=4"
}
for_parentheses_step: {
input: {
for (; console.log(42); a => (a in a));
}
expect_exact: "for(;console.log(42);a=>a in a);"
expect_stdout: "42"
node_version: ">=4"
}
for_assign_parentheses_init: {
input: {
for (f = a => (a in a); console.log(42););
}
expect_exact: "for((f=a=>a in a);console.log(42););"
expect_stdout: "42"
node_version: ">=4"
}
for_assign_parentheses_condition: {
input: {
for (console.log(42); f = a => (a in a);)
break;
}
expect_exact: "for(console.log(42);f=a=>a in a;)break;"
expect_stdout: "42"
node_version: ">=4"
}
for_assign_parentheses_step: {
input: {
for (; console.log(42); f = a => (a in a));
}
expect_exact: "for(;console.log(42);f=a=>a in a);"
expect_stdout: "42"
node_version: ">=4"
}
for_declaration_parentheses_init: {
input: {
for (var f = a => (a in a); console.log(42););
}
expect_exact: "for(var f=(a=>a in a);console.log(42););"
expect_stdout: "42"
node_version: ">=4"
}
for_statement_parentheses_init: {
input: {
for (a => {
a in a;
}; console.log(42););
}
expect_exact: "for(a=>{a in a};console.log(42););"
expect_stdout: "42"
node_version: ">=4"
}
body_call: {
input: {
(() => {
console.log("foo");
console.log("bar");
})();
}
expect_exact: '(()=>{console.log("foo");console.log("bar")})();'
expect_stdout: [
"foo",
"bar",
]
node_version: ">=4"
}
body_conditional: {
input: {
console.log((a => {}) ? "PASS" : "FAIL");
}
expect_exact: 'console.log((a=>{})?"PASS":"FAIL");'
expect_stdout: "PASS"
node_version: ">=4"
}
destructured_object_value: {
input: {
console.log((a => ({} = a))(42));
}
expect_exact: "console.log((a=>({}=a))(42));"
expect_stdout: "42"
node_version: ">=6"
}
function_value: {
input: {
console.log((a => function() {
return a;
})(42)());
}
expect_exact: "console.log((a=>function(){return a})(42)());"
expect_stdout: "42"
node_version: ">=4"
}
in_value: {
input: {
console.log((a => a in {
foo: 42,
})("foo"));
}
expect_exact: 'console.log((a=>a in{foo:42})("foo"));'
expect_stdout: "true"
node_version: ">=4"
}
object_value: {
input: {
console.log((() => ({
4: 2,
}))()[4]);
}
expect_exact: "console.log((()=>({4:2}))()[4]);"
expect_stdout: "2"
node_version: ">=4"
}
object_first_in_value: {
input: {
console.log((a => ({
p: a,
}.p ? "FAIL" : "PASS"))());
}
expect_exact: 'console.log((a=>({p:a}).p?"FAIL":"PASS")());'
expect_stdout: "PASS"
node_version: ">=4"
}
sequence_value: {
input: {
console.log((a => (console.log("foo"), a))("bar"));
}
expect_exact: 'console.log((a=>(console.log("foo"),a))("bar"));'
expect_stdout: [
"foo",
"bar",
]
node_version: ">=4"
}
side_effects_value: {
options = {
side_effects: true,
}
input: {
console.log((a => function() {
return a;
})(42)());
}
expect: {
console.log((a => function() {
return a;
})(42)());
}
expect_stdout: "42"
node_version: ">=4"
}
arrow_property: {
input: {
console.log((a => 42).prototype);
}
expect_exact: "console.log((a=>42).prototype);"
expect_stdout: "undefined"
node_version: ">=4"
}
assign_arrow: {
input: {
var f = a => a;
console.log(f(42));
}
expect_exact: "var f=a=>a;console.log(f(42));"
expect_stdout: "42"
node_version: ">=4"
}
binary_arrow: {
input: {
console.log(4 || (() => 2));
}
expect_exact: "console.log(4||(()=>2));"
expect_stdout: "4"
node_version: ">=4"
}
unary_arrow: {
input: {
console.log(+(() => 42));
}
expect_exact: "console.log(+(()=>42));"
expect_stdout: "NaN"
node_version: ">=4"
}
trailing_comma: {
input: {
((a,) => console.log(a))(42);
}
expect_exact: "(a=>console.log(a))(42);"
expect_stdout: "42"
node_version: ">=4"
}
drop_arguments: {
options = {
arguments: true,
keep_fargs: false,
}
input: {
console.log(function() {
return () => arguments[0];
}("PASS")("FAIL"));
}
expect: {
console.log(function(argument_0) {
return () => argument_0;
}("PASS")("FAIL"));
}
expect_stdout: "PASS"
node_version: ">=4"
}
funarg_arguments: {
options = {
inline: true,
}
input: {
console.log((arguments => arguments)(42));
}
expect: {
console.log(42);
}
expect_stdout: "42"
node_version: ">=4"
}
inline_arguments: {
options = {
inline: true,
}
input: {
console.log(function() {
return () => arguments[0];
}("PASS")("FAIL"));
}
expect: {
console.log(function() {
return () => arguments[0];
}("PASS")("FAIL"));
}
expect_stdout: "PASS"
node_version: ">=4"
}
var_arguments: {
options = {
inline: true,
properties: true,
reduce_vars: true,
side_effects: true,
unused: true,
}
input: {
console.log(function() {
return () => {
var arguments = [ "PASS" ];
return arguments;
};
}("FAIL 1")("FAIL 2")[0]);
}
expect: {
console.log("PASS");
}
expect_stdout: "PASS"
node_version: ">=4"
}
negate: {
options = {
conditionals: true,
}
input: {
if (!console ? 0 : () => 1)
console.log("PASS");
}
expect: {
(console ? () => 1 : 0) && console.log("PASS");
}
expect_stdout: "PASS"
node_version: ">=4"
}
inline_this: {
options = {
inline: true,
}
input: {
var o = {
p: function() {
return function() {
return () => this.q;
}();
},
q: "FAIL",
};
q = "PASS";
console.log(o.p()());
}
expect: {
var o = {
p: function() {
return function() {
return () => this.q;
}();
},
q: "FAIL",
};
q = "PASS";
console.log(o.p()());
}
expect_stdout: "PASS"
node_version: ">=4"
}
trim_body: {
options = {
arrows: true,
if_return: true,
side_effects: true,
}
input: {
var f = a => {
return a;
};
var g = b => void b;
console.log(f("PASS"), g("FAIL"));
}
expect: {
var f = a => a;
var g = b => {};
console.log(f("PASS"), g("FAIL"));
}
expect_stdout: "PASS undefined"
node_version: ">=4"
}
collapse_value: {
options = {
arrows: true,
collapse_vars: true,
keep_fargs: false,
unused: true,
}
input: {
var a = 42;
console.log((b => Math.floor(b))(a));
}
expect: {
var a = 42;
console.log((() => Math.floor(a))());
}
expect_stdout: "42"
node_version: ">=4"
}
collapse_property_lambda: {
options = {
collapse_vars: true,
pure_getters: "strict",
}
input: {
console.log(function f() {
f.g = () => 42;
return f.g();
}());
}
expect: {
console.log(function f() {
return (f.g = () => 42)();
}());
}
expect_stdout: "42"
node_version: ">=4"
}
drop_return: {
options = {
arrows: true,
side_effects: true,
}
input: {
(a => {
while (!console);
return console.log(a);
})(42);
}
expect: {
(a => {
while (!console);
console.log(a);
})(42);
}
expect_stdout: "42"
node_version: ">=4"
}
drop_value: {
options = {
arrows: true,
side_effects: true,
}
input: {
((a, b) => a + b)(console.log(42));
}
expect: {
((a, b) => {})(console.log(42));
}
expect_stdout: "42"
node_version: ">=4"
}
reduce_iife_1: {
options = {
evaluate: true,
keep_fargs: false,
reduce_vars: true,
unused: true,
}
input: {
(a => console.log(a + a))(21);
}
expect: {
(() => console.log(42))();
}
expect_stdout: "42"
node_version: ">=4"
}
reduce_iife_2: {
options = {
evaluate: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
var a = 21;
(() => console.log(a + a))();
}
expect: {
(() => console.log(42))();
}
expect_stdout: "42"
node_version: ">=4"
}
reduce_iife_3: {
options = {
evaluate: true,
reduce_vars: true,
side_effects: true,
toplevel: true,
unused: true,
}
input: {
var a = "foo";
(() => {
console.log(a);
console.log(a);
})();
a = "bar";
}
expect: {
(() => {
console.log("foo");
console.log("foo");
})();
}
expect_stdout: [
"foo",
"foo",
]
node_version: ">=4"
}
single_use_recursive: {
options = {
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
function f() {
return (() => f)();
}
console.log(typeof f());
}
expect: {
console.log(typeof function f() {
return (() => f)();
}());
}
expect_stdout: "function"
node_version: ">=4"
}
issue_4388: {
options = {
inline: true,
toplevel: true,
}
input: {
(arguments => console.log(arguments && arguments))();
}
expect: {
(arguments => console.log(arguments && arguments))();
}
expect_stdout: "undefined"
node_version: ">=4"
}
issue_4390: {
options = {
collapse_vars: true,
}
input: {
function log() {
console.log.apply(console, arguments);
}
var a = 42, b = "FAIL";
b = "PASS";
(c => log(b, c))(a);
log(b);
}
expect: {
function log() {
console.log.apply(console, arguments);
}
var a = 42, b = "FAIL";
b = "PASS";
(c => log(b, c))(a);
log(b);
}
expect_stdout: [
"PASS 42",
"PASS",
]
node_version: ">=4"
}
issue_4401: {
options = {
merge_vars: true,
}
input: {
(function() {
var a = (b => b(a))(console.log || a);
var c = console.log;
c && c(typeof b);
})();
}
expect: {
(function() {
var a = (b => b(a))(console.log || a);
var c = console.log;
c && c(typeof b);
})();
}
expect_stdout: [
"undefined",
"undefined",
]
node_version: ">=4"
}
issue_4448: {
options = {
pure_getters: "strict",
side_effects: true,
}
input: {
var A;
try {
(arguments => {
arguments[0];
})(A);
} catch (e) {
console.log("PASS");
}
}
expect: {
var A;
try {
(arguments => {
arguments[0];
})(A);
} catch (e) {
console.log("PASS");
}
}
expect_stdout: "PASS"
node_version: ">=4"
}
issue_4476: {
options = {
arguments: true,
}
input: {
(function(a, b) {
(a => {
console.log(arguments[0], a);
})(b);
})("foo", "bar");
}
expect: {
(function(a, b) {
(a => {
console.log(arguments[0], a);
})(b);
})("foo", "bar");
}
expect_stdout: "foo bar"
node_version: ">=4"
}
issue_4666: {
input: {
console.log((a => /[0-9]/.test(a))(42));
}
expect_exact: "console.log((a=>/[0-9]/.test(a))(42));"
expect_stdout: "true"
node_version: ">=4"
}
issue_4685_1: {
options = {
collapse_vars: true,
unused: true,
}
input: {
new function(f) {
if (f() !== this)
console.log("PASS");
}(() => this);
}
expect: {
new function(f) {
if (f() !== this)
console.log("PASS");
}(() => this);
}
expect_stdout: "PASS"
node_version: ">=4"
}
issue_4685_2: {
options = {
reduce_vars: true,
unused: true,
}
input: {
new function(f) {
if (f() !== this)
console.log("PASS");
}(() => {
if (console)
return this;
});
}
expect: {
new function(f) {
if (f() !== this)
console.log("PASS");
}(() => {
if (console)
return this;
});
}
expect_stdout: "PASS"
node_version: ">=4"
}
issue_4687_1: {
options = {
collapse_vars: true,
unused: true,
}
input: {
new function() {
console.log(function(f) {
return f() === this;
}(() => this) || "PASS");
}
}
expect: {
new function() {
console.log(function(f) {
return f() === this;
}(() => this) || "PASS");
}
}
expect_stdout: "PASS"
node_version: ">=4"
}
issue_4687_2: {
options = {
reduce_vars: true,
unused: true,
}
input: {
new function() {
console.log(function(f) {
return f() === this;
}(() => {
if (console)
return this;
}) || "PASS");
}
}
expect: {
new function() {
console.log(function(f) {
return f() === this;
}(() => {
if (console)
return this;
}) || "PASS");
}
}
expect_stdout: "PASS"
node_version: ">=4"
}