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

fix corner case in string concatenations (#3692)

Browse Source 
- migrate de-facto compression to `conditionals` & `strings`

fixes #3689
This commit is contained in:
Alex Lam S.L
2020-01-28 07:33:11 +08:00
committed by GitHub
parent 0dcedad2d5
commit e9e76dcf04
6 changed files with 164 additions and 98 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
test/compress/concat-strings.js
View File

@@ -26,7 +26,9 @@ concat_1: {
}
concat_2: {
options = {}
options = {
strings: true,
}
input: {
console.log(
1 + (2 + 3),
@@ -55,7 +57,9 @@ concat_2: {
}
concat_3: {
options = {}
options = {
strings: true,
}
input: {
console.log(
1 + 2 + (3 + 4 + 5),
@@ -84,7 +88,9 @@ concat_3: {
}
concat_4: {
options = {}
options = {
strings: true,
}
input: {
console.log(
1 + "2" + (3 + 4 + 5),
@@ -113,7 +119,9 @@ concat_4: {
}
concat_5: {
options = {}
options = {
strings: true,
}
input: {
console.log(
"1" + 2 + (3 + 4 + 5),
@@ -142,7 +150,9 @@ concat_5: {
}
concat_6: {
options = {}
options = {
strings: true,
}
input: {
console.log(
"1" + "2" + (3 + 4 + 5),
@@ -171,6 +181,9 @@ concat_6: {
}
concat_7: {
options = {
strings: true,
}
input: {
console.log(
"" + 1,
@@ -197,6 +210,9 @@ concat_7: {
}
concat_8: {
options = {
strings: true,
}
input: {
console.log(
1 + "",
@@ -221,3 +237,20 @@ concat_8: {
}
expect_stdout: true
}
issue_3689: {
options = {
strings: true,
}
input: {
console.log(function(a) {
return a + ("" + (a[0] = 0));
}([]));
}
expect: {
console.log(function(a) {
return a + ("" + (a[0] = 0));
}([]));
}
expect_stdout: "00"
}