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

enhance if_return (#5330)

Browse Source
This commit is contained in:
Alex Lam S.L
2022-02-02 00:13:38 +00:00
committed by GitHub
parent 77552d9e69
commit aad5d6e122
2 changed files with 29 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
lib/compress.js
View File

@@ -3294,7 +3294,8 @@ Compressor.prototype.compress = function(node) {
function handle_if_return(statements, compressor) {
var changed = false;
var parent = compressor.parent();
var in_iife = in_lambda && parent && parent.TYPE == "Call";
var self = compressor.self();
var in_iife = in_lambda && parent && parent.TYPE == "Call" && parent.expression === self;
var chain_if_returns = in_lambda && compressor.option("conditionals") && compressor.option("sequences");
var multiple_if_returns = has_multiple_if_returns(statements);
for (var i = statements.length; --i >= 0;) {
@@ -3371,15 +3372,11 @@ Compressor.prototype.compress = function(node) {
if (compressor.option("typeofs")) {
if (ab && !alt) {
var stats = make_node(AST_BlockStatement, compressor.self(), {
body: statements.slice(i + 1),
});
var stats = make_node(AST_BlockStatement, self, { body: statements.slice(i + 1) });
mark_locally_defined(stat.condition, null, stats);
}
if (!ab && alt) {
var stats = make_node(AST_BlockStatement, compressor.self(), {
body: statements.slice(i + 1),
});
var stats = make_node(AST_BlockStatement, self, { body: statements.slice(i + 1) });
mark_locally_defined(stat.condition, stats);
}
}

26
test/compress/if_return.js
View File

@@ -395,7 +395,31 @@ if_var_return_2: {
}
}
if_var_return_3: {
if_var_retrn_3: {
options = {
conditionals: true,
if_return: true,
sequences: true,
}
input: {
f(function() {
var a = w();
if (x())
return y(a);
z();
});
}
expect: {
f(function() {
var a = w();
if (x())
return y(a);
z();
});
}
}
if_var_return_4: {
options = {
conditionals: true,
if_return: true,