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fix object literal tracing in reduce_vars (#2461)

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This commit is contained in:
Alex Lam S.L
2017-11-10 05:47:10 +08:00
committed by GitHub
parent 1127a2caf3
commit 94525d859f
2 changed files with 45 additions and 3 deletions
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10
lib/compress.js
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@@ -609,8 +609,11 @@ merge(Compressor.prototype, {
&& parent.expression === node
&& (!(value instanceof AST_Function) || value.contains_this(parent))) {
return true;
} else if (parent instanceof AST_Array || parent instanceof AST_Object) {
} else if (parent instanceof AST_Array) {
return is_modified(parent, parent, level + 1);
} else if (parent instanceof AST_ObjectKeyVal && node === parent.value) {
var obj = tw.parent(level + 1);
return is_modified(obj, obj, level + 2);
} else if (parent instanceof AST_PropAccess && parent.expression === node) {
return !immutable && is_modified(parent, read_property(value, parent.property), level + 1);
}
@@ -626,8 +629,11 @@ merge(Compressor.prototype, {
|| parent instanceof AST_VarDef && node === parent.value) {
d.escaped = true;
return;
} else if (parent instanceof AST_Array || parent instanceof AST_Object) {
} else if (parent instanceof AST_Array) {
mark_escaped(d, parent, parent, level + 1);
} else if (parent instanceof AST_ObjectKeyVal && node === parent.value) {
var obj = tw.parent(level + 1);
mark_escaped(d, obj, obj, level + 2);
} else if (parent instanceof AST_PropAccess && node === parent.expression) {
value = read_property(value, parent.property);
mark_escaped(d, parent, value, level + 1);