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enhance if_return (#5582)

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This commit is contained in:
Alex Lam S.L
2022-07-29 22:25:17 +01:00
committed by GitHub
parent 937a672879
commit 08c386f363
2 changed files with 240 additions and 25 deletions
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195
test/compress/if_return.js
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@@ -1393,3 +1393,198 @@ void_match: {
"foo",
]
}
switch_break: {
options = {
conditionals: true,
if_return: true,
}
input: {
function f(a) {
switch (a) {
default:
if (console.log("foo"))
break;
while (console.log("bar"));
case 42:
if (console.log("baz"))
break;
while (console.log("moo"));
break;
case null:
if (console.log("moz"))
break;
}
}
f();
f(42);
f(null);
}
expect: {
function f(a) {
switch (a) {
default:
if (console.log("foo"))
break;
while (console.log("bar"));
case 42:
if (!console.log("baz"))
while (console.log("moo"));
break;
case null:
console.log("moz");
}
}
f();
f(42);
f(null);
}
expect_stdout: [
"foo",
"bar",
"baz",
"moo",
"baz",
"moo",
"moz",
]
}
switch_return_1: {
options = {
dead_code: true,
if_return: true,
}
input: {
function f(a) {
switch (a) {
case console.log("PASS"):
return;
break;
case 42:
FAIL;
}
}
f();
}
expect: {
function f(a) {
switch (a) {
case console.log("PASS"):
return;
case 42:
FAIL;
}
}
f();
}
expect_stdout: "PASS"
}
switch_return_2: {
options = {
if_return: true,
}
input: {
function f(a) {
switch (a) {
case console.log("PASS"):
if (console)
return;
break;
case 42:
FAIL;
}
}
f();
}
expect: {
function f(a) {
switch (a) {
case console.log("PASS"):
if (console);
break;
case 42:
FAIL;
}
}
f();
}
expect_stdout: "PASS"
}
switch_return_3: {
options = {
if_return: true,
side_effects: true,
}
input: {
function f(a) {
switch (a) {
case console.log("foo"):
if (console)
return void console.log("bar");
break;
case 42:
FAIL;
}
}
f();
}
expect: {
function f(a) {
switch (a) {
case console.log("foo"):
if (console)
console.log("bar");
break;
case 42:
FAIL;
}
}
f();
}
expect_stdout: [
"foo",
"bar",
]
}
switch_return_4: {
options = {
conditionals: true,
if_return: true,
side_effects: true,
}
input: {
function f(a) {
switch (a) {
case console.log("foo"):
if (console) {
console.log("bar");
return;
}
break;
case 42:
FAIL;
}
}
f();
}
expect: {
function f(a) {
switch (a) {
case console.log("foo"):
console && console.log("bar");
break;
case 42:
FAIL;
}
}
f();
}
expect_stdout: [
"foo",
"bar",
]
}