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

fix corner case in parsing directives (#3615)

Browse Source
This commit is contained in:
Alex Lam S.L
2019-11-29 18:57:29 +08:00
committed by GitHub
parent 1b61a81b5d
commit 1283d73853
5 changed files with 123 additions and 71 deletions
Download Patch File Download Diff File Expand all files Collapse all files

95
test/compress/directives.js Normal file
View File

@@ -0,0 +1,95 @@
simple_statement_is_not_a_directive: {
input: {
"use strict"
.split(" ")
.forEach(function(s) {
console.log(s);
});
console.log(!this); // is strict mode?
(function() {
"directive"
""
"use strict"
"hello world"
.split(" ")
.forEach(function(s) {
console.log(s);
});
console.log(!this); // is strict mode?
})();
}
expect: {
"use strict".split(" ").forEach(function(s) {
console.log(s);
});
console.log(!this);
(function() {
"directive";
"";
"use strict";
"hello world".split(" ").forEach(function(s) {
console.log(s);
});
console.log(!this);
})();
}
expect_stdout: [
"use",
"strict",
"false",
"hello",
"world",
"true",
]
}
drop_lone_use_strict: {
options = {
directives: true,
side_effects: true,
}
input: {
function f1() {
"use strict";
}
function f2() {
"use strict";
function f3() {
"use strict";
}
}
(function f4() {
"use strict";
})();
}
expect: {
function f1() {
}
function f2() {
"use strict";
function f3() {
}
}
}
}
issue_3166: {
options = {
directives: true,
}
input: {
"foo";
"use strict";
function f() {
"use strict";
"bar";
"use asm";
}
}
expect: {
"use strict";
function f() {
"use asm";
}
}
}