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author | Alex Lam S.L <alexlamsl@gmail.com> | 2017-03-07 03:11:03 +0800 |
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committer | GitHub <noreply@github.com> | 2017-03-07 03:11:03 +0800 |
commit | d787d70127af1b8df57eee2274c720d34092aef2 (patch) | |
tree | f95114de6109d4697a6a23244f90117f48c1320f /lib | |
parent | 3ac24219322384539caae803482ea257e7971cf2 (diff) | |
download | tracifyjs-d787d70127af1b8df57eee2274c720d34092aef2.tar.gz tracifyjs-d787d70127af1b8df57eee2274c720d34092aef2.zip |
avoid substitution of global variables (#1557)
- unless `toplevel` is enabled
- global `const` works as before
Diffstat (limited to 'lib')
-rw-r--r-- | lib/compress.js | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/compress.js b/lib/compress.js index 8c3fb155..696e2056 100644 --- a/lib/compress.js +++ b/lib/compress.js @@ -223,6 +223,7 @@ merge(Compressor.prototype, { AST_Node.DEFMETHOD("reset_opt_flags", function(compressor, rescan){ var reduce_vars = rescan && compressor.option("reduce_vars"); + var toplevel = compressor.option("toplevel"); var ie8 = !compressor.option("screw_ie8"); var safe_ids = []; push(); @@ -334,7 +335,11 @@ merge(Compressor.prototype, { } function reset_def(def) { - def.fixed = undefined; + if (toplevel || !def.global || def.orig[0] instanceof AST_SymbolConst) { + def.fixed = undefined; + } else { + def.fixed = false; + } def.references = []; def.should_replace = undefined; } |