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authoralexlamsl <alexlamsl@gmail.com>2017-01-17 17:33:40 +0800
committerRichard van Velzen <rvanvelzen1@gmail.com>2017-01-19 21:06:28 +0100
commit48284844a461e6113bb9911cdcdad7ab8a3d85de (patch)
tree05c5d8ff7f2a312a8880c143dbfcdf35abe11dd5 /lib/compress.js
parentec2e5fa3a2e5cf421aebd94b93c668b18e540c69 (diff)
downloadtracifyjs-48284844a461e6113bb9911cdcdad7ab8a3d85de.tar.gz
tracifyjs-48284844a461e6113bb9911cdcdad7ab8a3d85de.zip
add missing LHS cases which global_defs should avoid
Diffstat (limited to 'lib/compress.js')
-rw-r--r--lib/compress.js13
1 files changed, 5 insertions, 8 deletions
diff --git a/lib/compress.js b/lib/compress.js
index 5879b93b..bbd3659d 100644
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -970,6 +970,11 @@ merge(Compressor.prototype, {
node.DEFMETHOD("is_string", func);
});
+ function isLHS(node, parent) {
+ return parent instanceof AST_Unary && (parent.operator === "++" || parent.operator === "--")
+ || parent instanceof AST_Assign && parent.left === node;
+ }
+
function best_of(ast1, ast2) {
return ast1.print_to_string().length >
ast2.print_to_string().length
@@ -2608,14 +2613,6 @@ merge(Compressor.prototype, {
});
OPT(AST_SymbolRef, function(self, compressor){
- function isLHS(symbol, parent) {
- return (
- parent instanceof AST_Binary &&
- parent.operator === '=' &&
- parent.left === symbol
- );
- }
-
if (self.undeclared() && !isLHS(self, compressor.parent())) {
var defines = compressor.option("global_defs");
if (defines && HOP(defines, self.name)) {