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workaround function declaration quirks in ES6+ (#5833)

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fixes #1666
This commit is contained in:
Alex Lam S.L
2024-06-09 00:57:15 +03:00
committed by GitHub
parent 3dfb379486
commit e7b9b4aafb
4 changed files with 317 additions and 2 deletions
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42
test/compress/blocks.js
View File

@@ -47,3 +47,45 @@ keep_some_blocks: {
} else stuff();
}
}
issue_1666: {
input: {
var a = 42;
{
function a() {}
a();
}
console.log("PASS");
}
expect: {
var a = 42;
{
function a() {}
a();
}
console.log("PASS");
}
expect_stdout: true
}
issue_1666_strict: {
input: {
"use strict";
var a = 42;
{
function a() {}
a();
}
console.log("PASS");
}
expect: {
"use strict";
var a = 42;
{
function a() {}
a();
}
console.log("PASS");
}
expect_stdout: true
}

112
test/compress/collapse_vars.js
View File

@@ -10172,3 +10172,115 @@ issue_5779: {
}
expect_stdout: "PASS"
}
issue_1666: {
options = {
collapse_vars: true,
}
input: {
var x = 42;
{
x();
function x() {
console.log("foo");
}
}
console.log(typeof x);
}
expect: {
var x = 42;
{
x();
function x() {
console.log("foo");
}
}
console.log(typeof x);
}
expect_stdout: true
}
issue_1666_strict: {
options = {
collapse_vars: true,
}
input: {
"use strict";
var x = 42;
{
x();
function x() {
console.log("foo");
}
}
console.log(typeof x);
}
expect: {
"use strict";
var x = 42;
{
x();
function x() {
console.log("foo");
}
}
console.log(typeof x);
}
expect_stdout: true
}
issue_1666_undefined: {
options = {
collapse_vars: true,
}
input: {
var undefined = 42;
{
undefined();
function undefined() {
console.log("foo");
}
}
console.log(typeof undefined);
}
expect: {
var undefined = 42;
{
undefined();
function undefined() {
console.log("foo");
}
}
console.log(typeof undefined);
}
expect_stdout: true
}
issue_1666_undefined_strict: {
options = {
collapse_vars: true,
}
input: {
"use strict";
var undefined = 42;
{
undefined();
function undefined() {
console.log("foo");
}
}
console.log(typeof undefined);
}
expect: {
"use strict";
var undefined = 42;
{
undefined();
function undefined() {
console.log("foo");
}
}
console.log(typeof undefined);
}
expect_stdout: true
}

124
test/compress/reduce_vars.js
View File

@@ -8222,3 +8222,127 @@ issue_5777_2: {
}
expect_stdout: "PASS"
}
issue_1666: {
options = {
evaluate: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
var x = 42;
{
x();
function x() {
console.log("foo");
}
}
console.log(typeof x);
}
expect: {
var x = 42;
{
x();
function x() {
console.log("foo");
}
}
console.log(typeof x);
}
expect_stdout: true
}
issue_1666_strict: {
options = {
evaluate: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
"use strict";
var x = 42;
{
x();
function x() {
console.log("foo");
}
}
console.log(typeof x);
}
expect: {
"use strict";
var x = 42;
{
x();
function x() {
console.log("foo");
}
}
console.log(typeof x);
}
expect_stdout: true
}
issue_1666_undefined: {
options = {
evaluate: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
var undefined = 42;
{
undefined();
function undefined() {
console.log("foo");
}
}
console.log(typeof undefined);
}
expect: {
var undefined = 42;
{
undefined();
function undefined() {
console.log("foo");
}
}
console.log(typeof undefined);
}
expect_stdout: true
}
issue_1666_undefined_strict: {
options = {
evaluate: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
"use strict";
var undefined = 42;
{
undefined();
function undefined() {
console.log("foo");
}
}
console.log(typeof undefined);
}
expect: {
"use strict";
var undefined = 42;
{
undefined();
function undefined() {
console.log("foo");
}
}
console.log(typeof undefined);
}
expect_stdout: true
}