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make collapse_vars consistent with toplevel (#1608)

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fixes #1605
This commit is contained in:
Alex Lam S.L
2017-03-16 13:22:26 +08:00
committed by GitHub
parent a80b228d8b
commit 5ae04b3545
5 changed files with 52 additions and 3 deletions
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47
test/compress/collapse_vars.js
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@@ -1152,7 +1152,8 @@ collapse_vars_arguments: {
options = {
collapse_vars:true, sequences:true, properties:true, dead_code:true, conditionals:true,
comparisons:true, evaluate:true, booleans:true, loops:true, unused:true, hoist_funs:true,
keep_fargs:true, if_return:true, join_vars:true, cascade:true, side_effects:true
keep_fargs:true, if_return:true, join_vars:true, cascade:true, side_effects:true,
toplevel:true
}
input: {
var outer = function() {
@@ -1335,6 +1336,7 @@ issue_1537: {
issue_1562: {
options = {
collapse_vars: true,
toplevel: true,
}
input: {
var v = 1, B = 2;
@@ -1363,3 +1365,46 @@ issue_1562: {
for (; f(z + 2) ;) bar(30);
}
}
issue_1605_1: {
options = {
collapse_vars: true,
toplevel: false,
}
input: {
function foo(x) {
var y = x;
return y;
}
var o = new Object;
o.p = 1;
}
expect: {
function foo(x) {
return x;
}
var o = new Object;
o.p = 1;
}
}
issue_1605_2: {
options = {
collapse_vars: true,
toplevel: "vars",
}
input: {
function foo(x) {
var y = x;
return y;
}
var o = new Object;
o.p = 1;
}
expect: {
function foo(x) {
return x;
}
(new Object).p = 1;
}
}