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

parse destructuring under strict mode correctly (#4429)

Browse Source
This commit is contained in:
Alex Lam S.L
2020-12-20 12:48:51 +00:00
committed by GitHub
parent 89198e0ad4
commit 7aefe97083
3 changed files with 29 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
lib/parse.js
View File

@@ -1551,8 +1551,7 @@ function parse($TEXT, options) {
next();
return "" + tmp.value;
case "punc":
if (tmp.value != "[") unexpected();
next();
expect("[");
var key = maybe_assign();
expect("]");
return key;
@@ -1616,21 +1615,21 @@ function parse($TEXT, options) {
// allow trailing comma
if (!options.strict && is("punc", "}")) break;
var key_start = S.token;
var key = as_property_key();
if (!is("punc", ":") && key_start.type == "name") {
if (is("punc", "[") || is_token(peek(), "punc", ":")) {
var key = as_property_key();
expect(":");
a.push(new AST_DestructuredKeyVal({
start: key_start,
key: key,
value: _make_symbol(type, key_start),
value: maybe_destructured(type),
end: prev(),
}));
continue;
}
expect(":");
a.push(new AST_DestructuredKeyVal({
start: key_start,
key: key,
value: maybe_destructured(type),
key: key_start.value,
value: as_symbol(type),
end: prev(),
}));
}