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Comparing version 5.17.2 to 5.17.3

CHANGELOG.md

 # Changelog
 
+## v5.17.3
+
+ - Fix issue with trimming a static class property's contents accessing the class as `this`.
+
 ## v5.17.2
@@ -4,0 +8,0 @@ - Be less conservative when detecting use-before-definition of `var` in hoisted functions.

lib/compress/drop-side-effect-free.js

@@ -168,2 +168,11 @@ /***********************************************************************
 
+        if (
+            prop instanceof AST_ClassProperty
+            && prop.static
+            && prop.value.has_side_effects(compressor)
+            && prop.contains_this()
+        ) {
+            return this;
+        }
+
         const trimmed_prop = prop.drop_side_effect_free(compressor);
@@ -170,0 +179,0 @@ if (trimmed_prop)

lib/compress/inference.js

@@ -87,2 +87,3 @@ /***********************************************************************
   AST_Return,
+  AST_Scope,
   AST_Sequence,
@@ -954,2 +955,15 @@ AST_SimpleStatement,
 
+AST_Node.DEFMETHOD("contains_this", function() {
+    return walk(this, node => {
+        if (node instanceof AST_This) return walk_abort;
+        if (
+            node !== this
+            && node instanceof AST_Scope
+            && !(node instanceof AST_Arrow)
+        ) {
+            return true;
+        }
+    });
+});
+
 export function is_modified(compressor, tw, node, value, level, immutable) {
@@ -956,0 +970,0 @@ var parent = tw.parent(level);

package.json

@@ -7,3 +7,3 @@ {
   "license": "BSD-2-Clause",
-  "version": "5.17.2",
+  "version": "5.17.3",
   "engines": {
@@ -10,0 +10,0 @@ "node": ">=10"

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Improved metrics

Total package byte prevSize

2083405

increased by0.03%

Lines of code

59253

increased by0.03%

No dependency changes