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improve usability of mangle.properties (#5683)

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fixes #5682
This commit is contained in:
Alex Lam S.L
2022-09-27 06:52:58 +01:00
committed by GitHub
parent 8e65413b99
commit 3fa2086681
7 changed files with 260 additions and 41 deletions
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170
test/compress/properties.js
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@@ -147,8 +147,8 @@ mangle_properties_1: {
a["a"] = "bar";
a.b = "red";
x = {o: 10};
a.r(x.o, a.a);
a['r']({b: "blue", a: "baz"});
a.run(x.o, a.a);
a['run']({b: "blue", a: "baz"});
}
}
@@ -962,14 +962,14 @@ issue_2256: {
}
input: {
({ "keep": 42 });
global.keep = global.change;
global.keep = global.change = "PASS";
console.log(keep);
}
expect: {
global.keep = global.l;
global.keep = global.l = "PASS";
console.log(keep);
}
expect_stdout: "undefined"
expect_stdout: "PASS"
}
lhs_prop_1: {
@@ -1645,3 +1645,163 @@ issue_5177: {
expect_stdout: "PASS"
node_version: ">=4"
}
issue_5682_in_1: {
mangle = {
properties: true,
}
input: {
function f(a) {
return "foo" in a;
}
var o = {};
var p = "foo";
o[p] = 42;
console.log(f(o) ? "PASS" : "FAIL");
}
expect: {
function f(o) {
return "foo" in o;
}
var o = {};
var p = "foo";
o[p] = 42;
console.log(f(o) ? "PASS" : "FAIL");
}
expect_stdout: "PASS"
}
issue_5682_in_2: {
mangle = {
properties: true,
}
input: {
function f(a) {
return "foo" in a;
}
var o = { foo: 42 };
console.log(f(o) ? "PASS" : "FAIL");
}
expect: {
function f(o) {
return "o" in o;
}
var o = { o: 42 };
console.log(f(o) ? "PASS" : "FAIL");
}
expect_stdout: "PASS"
}
issue_5682_dot_1: {
mangle = {
properties: true,
}
input: {
function f(a) {
return a.foo;
}
var o = {};
var p = "foo";
o[p] = "PASS";
console.log(f(o));
}
expect: {
function f(o) {
return o.foo;
}
var o = {};
var p = "foo";
o[p] = "PASS";
console.log(f(o));
}
expect_stdout: "PASS"
}
issue_5682_dot_2: {
mangle = {
properties: true,
}
input: {
function f(a) {
return a.foo;
}
var o = { foo: "PASS" };
console.log(f(o));
}
expect: {
function f(o) {
return o.o;
}
var o = { o: "PASS" };
console.log(f(o));
}
expect_stdout: "PASS"
}
issue_5682_dot_2_computed: {
mangle = {
properties: true,
}
input: {
function f(a) {
return a.foo;
}
var o = { ["foo"]: "PASS" };
console.log(f(o));
}
expect: {
function f(o) {
return o.o;
}
var o = { ["o"]: "PASS" };
console.log(f(o));
}
expect_stdout: "PASS"
node_version: ">=4"
}
issue_5682_sub_1: {
mangle = {
properties: true,
}
input: {
function f(a) {
return a["foo"];
}
var o = {};
var p = "foo";
o[p] = "PASS";
console.log(f(o));
}
expect: {
function f(o) {
return o["foo"];
}
var o = {};
var p = "foo";
o[p] = "PASS";
console.log(f(o));
}
expect_stdout: "PASS"
}
issue_5682_sub_2: {
mangle = {
properties: true,
}
input: {
function f(a) {
return a["foo"];
}
var o = { foo: "PASS" };
console.log(f(o));
}
expect: {
function f(o) {
return o["o"];
}
var o = { o: "PASS" };
console.log(f(o));
}
expect_stdout: "PASS"
}