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enhance collapse_vars (#5555)

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This commit is contained in:
Alex Lam S.L
2022-07-11 23:10:40 +08:00
committed by GitHub
parent 4778cf88e2
commit 154edf0427
4 changed files with 218 additions and 20 deletions
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54
test/compress/awaits.js
View File

@@ -1046,6 +1046,60 @@ collapse_vars_3: {
node_version: ">=8"
}
collapse_funarg_1: {
options = {
collapse_vars: true,
unused: true,
}
input: {
A = "FAIL";
var a = "PASS";
(async function({}, b) {
return b;
})(null, A = a);
console.log(A);
}
expect: {
A = "FAIL";
var a = "PASS";
(async function({}, b) {
return b;
})(null, A = a);
console.log(A);
}
expect_stdout: "PASS"
node_version: ">=8"
}
collapse_funarg_2: {
options = {
collapse_vars: true,
unused: true,
}
input: {
A = "FAIL";
B = "PASS";
(async function() {
console.log(function({}, a) {
return a;
}(null, A = B));
})();
console.log(A);
}
expect: {
A = "FAIL";
B = "PASS";
(async function() {
console.log(function({}, a) {
return a;
}(null, A = B));
})();
console.log(A);
}
expect_stdout: "PASS"
node_version: ">=8"
}
collapse_property_lambda: {
options = {
collapse_vars: true,

43
test/compress/default-values.js
View File

@@ -1170,6 +1170,49 @@ mangle_arrow_2_toplevel: {
node_version: ">=6.9.3"
}
collapse_preceding_simple_arg: {
options = {
collapse_vars: true,
unused: true,
}
input: {
var a = "foo";
console.log(function(b, c = "bar") {
return b + c;
}(a, a));
}
expect: {
var a = "foo";
console.log(function(b, c = "bar") {
return a + c;
}(0, a));
}
expect_stdout: "foofoo"
node_version: ">=6"
}
drop_preceding_simple_arg: {
options = {
collapse_vars: true,
keep_fargs: false,
unused: true,
}
input: {
var a = "foo";
console.log(function(b, c = "bar") {
return b + c;
}(a, a));
}
expect: {
var a = "foo";
console.log(function(c = "bar") {
return a + c;
}(a));
}
expect_stdout: "foofoo"
node_version: ">=6"
}
issue_4444: {
options = {
collapse_vars: true,

87
test/compress/destructured.js
View File

@@ -472,6 +472,93 @@ funarg_collapse_vars_3: {
node_version: ">=6"
}
funarg_collapse_vars_4: {
options = {
collapse_vars: true,
unused: true,
}
input: {
var a = "PASS";
(function(b, { log: c }) {
c(b);
})(a, console);
}
expect: {
var a = "PASS";
(function(b, { log: c }) {
c(a);
})(0, console);
}
expect_stdout: "PASS"
node_version: ">=6"
}
funarg_collapse_vars_5: {
options = {
collapse_vars: true,
unused: true,
}
input: {
A = "FAIL";
B = "PASS";
try {
console.log(function({}, a) {
return a;
}(null, A = B));
} catch (e) {}
console.log(A);
}
expect: {
A = "FAIL";
B = "PASS";
try {
console.log(function({}, a) {
return a;
}(null, A = B));
} catch (e) {}
console.log(A);
}
expect_stdout: "PASS"
node_version: ">=6"
}
funarg_collapse_vars_6: {
options = {
collapse_vars: true,
unused: true,
}
input: {
A = "FAIL";
B = "PASS";
function f() {
console.log(function({}, a) {
return a;
}(null, A = B));
}
try {
f();
} catch (e) {
console.log(A);
}
}
expect: {
A = "FAIL";
B = "PASS";
function f() {
console.log(function({}, a) {
return a;
}(null, A = B));
}
try {
f();
} catch (e) {
console.log(A);
}
}
expect_stdout: "PASS"
node_version: ">=6"
}
funarg_reduce_vars_1: {
options = {
reduce_vars: true,