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

support const (#4190)

Browse Source
This commit is contained in:
Alex Lam S.L
2020-10-11 18:18:57 +01:00
committed by GitHub
parent ffcce28ce1
commit 55451e7b78
15 changed files with 1265 additions and 302 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
test/reduce.js
View File

@@ -121,7 +121,7 @@ module.exports = function reduce_test(testcase, minify_options, reduce_options)
return;
}
// preserve for (var xxx; ...)
if (parent instanceof U.AST_For && parent.init === node && node instanceof U.AST_Var) return node;
if (parent instanceof U.AST_For && parent.init === node && node instanceof U.AST_Definitions) return node;
// preserve for (xxx in ...)
if (parent instanceof U.AST_ForIn && parent.init === node) return node;
@@ -145,7 +145,9 @@ module.exports = function reduce_test(testcase, minify_options, reduce_options)
return permute < 2 ? expr : wrap_with_console_log(expr);
}
else if (node instanceof U.AST_BlockStatement) {
if (in_list) {
if (in_list && node.body.filter(function(node) {
return node instanceof U.AST_Const;
}).length == 0) {
node.start._permute++;
CHANGED = true;
return List.splice(node.body);
@@ -410,7 +412,7 @@ module.exports = function reduce_test(testcase, minify_options, reduce_options)
start: {},
});
}
else if (node instanceof U.AST_Var) {
else if (node instanceof U.AST_Definitions) {
// remove empty var statement
if (node.definitions.length == 0) return in_list ? List.skip : new U.AST_EmptyStatement({
start: {},