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

fix corner cases in reduce_vars & unused (#5247)

Browse Source 
fixes #5246
This commit is contained in:
Alex Lam S.L
2021-12-30 20:47:13 +00:00
committed by GitHub
parent 80d5f23fee
commit e7ce1051fe
4 changed files with 222 additions and 31 deletions
Download Patch File Download Diff File Expand all files Collapse all files

63
test/compress/rests.js
View File

@@ -359,7 +359,7 @@ retain_funarg_destructured_object_2: {
expect: {
console.log(function({ p: a, ... b }) {
return b;
}({ p: "FAIL" }).p || "PASS");
}({}).p || "PASS");
}
expect_stdout: "PASS"
node_version: ">=8.3.0"
@@ -1104,7 +1104,7 @@ issue_5108: {
expect: {
console.log(function([]) {
return "PASS";
}([ "PASS", "FAIL" ]));
}([]));
}
expect_stdout: "PASS"
node_version: ">=6"
@@ -1205,3 +1205,62 @@ issue_5165_2: {
expect_stdout: "PASS"
node_version: ">=6"
}
issue_5246_1: {
options = {
reduce_vars: true,
rests: true,
unused: true,
}
input: {
console.log(typeof function([ , ...a ]) {
return this && a;
}([ , function(){} ])[0]);
}
expect: {
console.log(typeof function([]) {
return this && [ function(){} ];
}([])[0]);
}
expect_stdout: "function"
node_version: ">=6"
}
issue_5246_2: {
options = {
reduce_vars: true,
rests: true,
toplevel: true,
unused: true,
}
input: {
A = [ , "PASS", "FAIL" ];
var [ , ...a ] = [ ... A ];
console.log(a[0]);
}
expect: {
A = [ , "PASS", "FAIL" ];
var [ , ...a ] = [ ... A ];
console.log(a[0]);
}
expect_stdout: "PASS"
node_version: ">=6"
}
issue_5246_3: {
options = {
unused: true,
}
input: {
(function f(...[ [ a ] ]) {
console.log(a);
})([ "PASS" ]);
}
expect: {
(function(...[ a ]) {
console.log(a);
})([ "PASS" ][0]);
}
expect_stdout: "PASS"
node_version: ">=6"
}