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tweaks for performance

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This commit is contained in:
alexlamsl 2017-05-27 17:04:25 +08:00
parent 5e8bd62683
commit dac43d7a87
1 changed files with 2 additions and 2 deletions
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4
lib/compress.js
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@ -2251,12 +2251,12 @@ merge(Compressor.prototype, {
dirs.push(node);
return make_node(AST_EmptyStatement, node);
}
if (node instanceof AST_Defun && hoist_funs
if (hoist_funs && node instanceof AST_Defun
&& (tt.parent() === self || !compressor.has_directive("use strict"))) {
hoisted.push(node);
return make_node(AST_EmptyStatement, node);
}
if (node instanceof AST_Var && hoist_vars) {
if (hoist_vars && node instanceof AST_Var) {
node.definitions.forEach(function(def){
vars.set(def.name.name, def);
++vars_found;