diff options
Diffstat (limited to 'lib/compress.js')
| -rw-r--r-- | lib/compress.js | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/lib/compress.js b/lib/compress.js index 406a331c..9760c546 100644 --- a/lib/compress.js +++ b/lib/compress.js @@ -5278,6 +5278,20 @@ merge(Compressor.prototype, { consequent ]).optimize(compressor); } + // x ? y || z : z --> x && y || z + if (consequent instanceof AST_Binary + && consequent.operator == "||" + && consequent.right.equivalent_to(alternative)) { + return make_node(AST_Binary, self, { + operator: "||", + left: make_node(AST_Binary, self, { + operator: "&&", + left: self.condition, + right: consequent.left + }), + right: alternative + }).optimize(compressor); + } var in_bool = compressor.in_boolean_context(); if (is_true(self.consequent)) { if (is_false(self.alternative)) { |