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

relax collapse_vars on AST_Exit

Browse Source
This commit is contained in:
alexlamsl 2018-01-31 18:10:35 +08:00
parent 541e6011af
commit ec7cabed3b
2 changed files with 55 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
lib/compress.js
View File

@ -1044,7 +1044,6 @@ merge(Compressor.prototype, {
// but are otherwise not safe to scan into or beyond them.
var sym;
if (node instanceof AST_Call
|| node instanceof AST_Exit
|| node instanceof AST_PropAccess
&& (side_effects || node.expression.may_throw_on_access(compressor))
|| node instanceof AST_SymbolRef

55
test/compress/collapse_vars.js
View File

@ -4107,3 +4107,58 @@ unsafe_builtin: {
}
expect_stdout: "1 4"
}
return_1: {
options = {
collapse_vars: true,
unused: true,
}
input: {
var log = console.log;
function f(b, c) {
var a = c;
if (b) return b;
log(a);
}
f(false, 1);
f(true, 2);
}
expect: {
var log = console.log;
function f(b, c) {
if (b) return b;
log(c);
}
f(false, 1);
f(true, 2);
}
expect_stdout: "1"
}
return_2: {
options = {
collapse_vars: true,
unused: true,
}
input: {
var log = console.log;
function f(b, c) {
var a = b <<= c;
if (b) return b;
log(a);
}
f(false, 1);
f(true, 2);
}
expect: {
var log = console.log;
function f(b, c) {
var a = b <<= c;
if (b) return b;
log(a);
}
f(false, 1);
f(true, 2);
}
expect_stdout: "0"
}