JoBoEVD/UglifyJS
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

improve compatibility with use strict (#5440)

Browse Source
This commit is contained in:
Alex Lam S.L
2022-05-14 05:15:54 +01:00
committed by GitHub
parent 8946c87011
commit e31bbe329a
6 changed files with 441 additions and 37 deletions
Download Patch File Download Diff File Expand all files Collapse all files

176
test/compress/classes.js
View File

@@ -742,6 +742,38 @@ collapse_rhs_static: {
node_version: ">=12"
}
inline_non_strict: {
options = {
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
function f(a) {
return a.p = "PASS";
}
class A {
g() {
return f(42);
}
}
console.log(new A().g());
}
expect: {
function f(a) {
return a.p = "PASS";
}
console.log(new class {
g() {
return f(42);
}
}().g());
}
expect_stdout: "PASS"
node_version: ">=6"
}
self_comparison: {
options = {
booleans: true,
@@ -1758,12 +1790,14 @@ issue_4962_1: {
})(function g() {});
}
expect: {
(function g() {}),
void class {
static c = function() {
(function() {
function f() {
while (console.log(typeof g));
}();
};
}
(class {
static c = f();
});
})(function g() {});
}
expect_stdout: "undefined"
node_version: ">=12"
@@ -1796,6 +1830,37 @@ issue_4962_1_strict: {
node_version: ">=12"
}
issue_4962_1_strict_direct: {
options = {
ie: true,
inline: true,
reduce_vars: true,
unused: true,
}
input: {
(function() {
function f() {
"use strict";
while (console.log(typeof g));
}
class A {
static p = f();
}
})(function g() {});
}
expect: {
(function g() {}),
void class {
static c = function() {
"use strict";
while (console.log(typeof g));
}();
};
}
expect_stdout: "undefined"
node_version: ">=12"
}
issue_4962_2: {
options = {
ie: true,
@@ -1815,8 +1880,11 @@ issue_4962_2: {
}
expect: {
console.log(function f() {}(function g() {
function h() {
f;
}
(class {
static c = f;
static c = h();
});
}));
}
@@ -1852,6 +1920,69 @@ issue_4962_2_strict: {
node_version: ">=12"
}
issue_4962_2_strict_direct: {
options = {
ie: true,
inline: true,
reduce_vars: true,
unused: true,
}
input: {
console.log(function f() {}(function g() {
function h() {
"use strict";
f;
}
class A {
static p = h();
}
}, typeof g));
}
expect: {
console.log(function f() {}(function g() {
(class {
static c = function() {
"use strict";
f;
}();
});
}));
}
expect_stdout: "undefined"
node_version: ">=12"
}
issue_4962_2_strict_direct_inline: {
options = {
directives: true,
ie: true,
inline: true,
passes: 2,
reduce_vars: true,
unused: true,
}
input: {
console.log(function f() {}(function g() {
function h() {
"use strict";
f;
}
class A {
static p = h();
}
}, typeof g));
}
expect: {
console.log(function f() {}(function g() {
(class {
static c = f;
});
}));
}
expect_stdout: "undefined"
node_version: ">=12"
}
issue_4982_1: {
options = {
dead_code: true,
@@ -2541,7 +2672,7 @@ issue_5387: {
node_version: ">=4"
}
issue_5389: {
issue_5389_1: {
options = {
collapse_vars: true,
toplevel: true,
@@ -2572,6 +2703,37 @@ issue_5389: {
node_version: ">=12"
}
issue_5389_2: {
options = {
collapse_vars: true,
toplevel: true,
}
input: {
function log(m, n) {
console.log(m, n);
}
var a = log;
var A = class {
[a = "FAIL"] = a = "PASS";
};
var b = new A();
log(a, b.FAIL);
}
expect: {
function log(m, n) {
console.log(m, n);
}
var a = log;
var A;
var b = new class {
[a = "FAIL"] = a = "PASS";
}();
log(a, b.FAIL);
}
expect_stdout: "PASS PASS"
node_version: ">=12"
}
issue_5436: {
options = {
merge_vars: true,

225
test/compress/functions.js
View File

@@ -8398,3 +8398,228 @@ issue_5409: {
}
expect_stdout: "undefined"
}
mixed_mode_inline_1: {
options = {
directives: true,
inline: true,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
function f() {
return this;
}
console.log(function() {
return f();
}() ? "PASS" : "FAIL");
}
expect: {
console.log(function() {
return this;
}() ? "PASS" : "FAIL");
}
expect_stdout: "PASS"
}
mixed_mode_inline_1_strict: {
options = {
directives: true,
inline: true,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
"use strict";
function f() {
return this;
}
console.log(function() {
return f();
}() ? "FAIL" : "PASS");
}
expect: {
"use strict";
console.log(function() {
return this;
}() ? "FAIL" : "PASS");
}
expect_stdout: "PASS"
}
mixed_mode_inline_2: {
options = {
directives: true,
inline: true,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
function f() {
"use strict";
return this;
}
console.log(function() {
return f();
}() ? "FAIL" : "PASS");
}
expect: {
console.log(function() {
"use strict";
return this;
}() ? "FAIL" : "PASS");
}
expect_stdout: "PASS"
}
mixed_mode_inline_2_strict: {
options = {
directives: true,
inline: true,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
"use strict";
function f() {
"use strict";
return this;
}
console.log(function() {
return f();
}() ? "FAIL" : "PASS");
}
expect: {
"use strict";
console.log(function() {
return this;
}() ? "FAIL" : "PASS");
}
expect_stdout: "PASS"
}
mixed_mode_inline_3: {
options = {
directives: true,
inline: true,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
function f() {
return this;
}
console.log(function() {
"use strict";
return f();
}() ? "PASS" : "FAIL");
}
expect: {
function f() {
return this;
}
console.log(function() {
"use strict";
return f();
}() ? "PASS" : "FAIL");
}
expect_stdout: "PASS"
}
mixed_mode_inline_3_strict: {
options = {
directives: true,
inline: true,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
"use strict";
function f() {
return this;
}
console.log(function() {
"use strict";
return f();
}() ? "FAIL" : "PASS");
}
expect: {
"use strict";
console.log(function() {
return this;
}() ? "FAIL" : "PASS");
}
expect_stdout: "PASS"
}
mixed_mode_inline_4: {
options = {
directives: true,
inline: true,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
function f() {
"use strict";
return this;
}
console.log(function() {
"use strict";
return f();
}() ? "FAIL" : "PASS");
}
expect: {
console.log(function() {
"use strict";
return function() {
"use strict";
return this;
}();
}() ? "FAIL" : "PASS");
}
expect_stdout: "PASS"
}
mixed_mode_inline_4_strict: {
options = {
directives: true,
inline: true,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
"use strict";
function f() {
"use strict";
return this;
}
console.log(function() {
"use strict";
return f();
}() ? "FAIL" : "PASS");
}
expect: {
"use strict";
console.log(function() {
return this;
}() ? "FAIL" : "PASS");
}
expect_stdout: "PASS"
}

9
test/ufuzz/index.js
View File

@@ -2534,15 +2534,6 @@ for (var round = 1; round <= num_iterations; round++) {
}
// ignore difference in error message caused by Temporal Dead Zone
if (!ok && original_erred && uglify_erred && original_result.name == "ReferenceError" && uglify_result.name == "ReferenceError") ok = true;
// ignore difference due to implicit strict-mode in `class`
if (!ok && /\bclass\b/.test(original_code)) {
var original_strict = run_code('"use strict";\n' + original_code, toplevel);
if (uglify_erred && /^(Syntax|Type)Error$/.test(uglify_result.name)) {
ok = sandbox.is_error(original_strict);
} else {
ok = sandbox.same_stdout(original_strict, uglify_result);
}
}
// ignore difference in error message caused by `import` symbol redeclaration
if (!ok && original_erred && uglify_erred && /\bimport\b/.test(original_code)) {
if (is_error_redeclaration(original_result) && is_error_redeclaration(uglify_result)) ok = true;