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| author | Alex Lam S.L <alexlamsl@gmail.com> | 2017-10-27 02:33:37 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-10-27 02:33:37 +0800 |
| commit | 9b0f86f5a136f57dece826c3ec9b632a0d0cb53a (patch) | |
| tree | f0376084874be83dac2585b51592241cd33fba68 /lib | |
| parent | ee082ace1b69bff228ff43065333b8703c0505dc (diff) | |
| download | tracifyjs-9b0f86f5a136f57dece826c3ec9b632a0d0cb53a.tar.gz tracifyjs-9b0f86f5a136f57dece826c3ec9b632a0d0cb53a.zip | |
fix `reduce_vars` on `AST_Array.length` (#2404)
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/compress.js | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/compress.js b/lib/compress.js index 073399b5..a2dd243f 100644 --- a/lib/compress.js +++ b/lib/compress.js @@ -572,7 +572,9 @@ merge(Compressor.prototype, { if (key instanceof AST_Node) return null; var value; if (obj instanceof AST_Array) { - value = obj.elements[key]; + var elements = obj.elements; + if (key == "length") return make_node_from_constant(elements.length, obj); + if (typeof key == "number" && key in elements) value = elements[key]; } else if (obj instanceof AST_Object) { var props = obj.properties; for (var i = props.length; --i >= 0;) { |