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| author | Alex Lam S.L <alexlamsl@gmail.com> | 2020-10-13 19:49:45 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-10-14 02:49:45 +0800 |
| commit | b7b8435721a07bebec9fca513700cc2af31ed175 (patch) | |
| tree | 2a02342a8390dd4d9a999e477117ad3908275447 /lib/compress.js | |
| parent | c0c04c33bb1652014365fa893cc9b7d29684e59a (diff) | |
| download | tracifyjs-b7b8435721a07bebec9fca513700cc2af31ed175.tar.gz tracifyjs-b7b8435721a07bebec9fca513700cc2af31ed175.zip | |
fix corner case in `evaluate` (#4215)
fixes #4214
Diffstat (limited to 'lib/compress.js')
| -rw-r--r-- | lib/compress.js | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/lib/compress.js b/lib/compress.js index 5dd10c6c..baa501ff 100644 --- a/lib/compress.js +++ b/lib/compress.js @@ -3804,6 +3804,8 @@ merge(Compressor.prototype, { if (fn.evaluating) return this; if (fn.name && fn.name.definition().recursive_refs > 0) return this; if (this.is_expr_pure(compressor)) return this; + var args = eval_args(this.args); + if (!args && !ignore_side_effects) return this; var stat = fn.first_statement(); if (!(stat instanceof AST_Return)) { if (ignore_side_effects) { @@ -3811,7 +3813,9 @@ merge(Compressor.prototype, { fn.walk(new TreeWalker(function(node) { if (found) return true; if (node instanceof AST_Return) { - if (node.value && node.value.evaluate(compressor, true) !== undefined) found = true; + if (node.value && node.value._eval(compressor, true, cached, depth) !== undefined) { + found = true; + } return true; } if (node instanceof AST_Scope && node !== fn) return true; @@ -3820,8 +3824,6 @@ merge(Compressor.prototype, { } return this; } - var args = eval_args(this.args); - if (!args && !ignore_side_effects) return this; var val = stat.value; if (!val) return; var cached_args = []; |