Fix mol-script query compiler const expression recognition

CHANGELOG.md

@@ -6,7 +6,11 @@ Note that since we don't clearly distinguish between a public and private interf
 
 ## [Unreleased]
 
+
+## [v2.2.2] - 2021-08-11
+
 - Fix ``TransformData`` issues [#133](https://github.com/molstar/molstar/issues/133)
+- Fix ``mol-script`` query compiler const expression recognition.
 
 ## [v2.2.1] - 2021-08-02
 

src/mol-script/runtime/query/base.ts

@@ -120,7 +120,7 @@ class SymbolRuntimeImpl<S extends MSymbol> implements QuerySymbolRuntime {
             constArgs = true;
         } else if (Expression.isArgumentsArray(inputArgs)) {
             args = [];
-            constArgs = false;
+            constArgs = true;
             for (const arg of inputArgs) {
                 const compiled = _compile(ctx, arg);
                 constArgs = constArgs && compiled.isConst;
@@ -128,7 +128,7 @@ class SymbolRuntimeImpl<S extends MSymbol> implements QuerySymbolRuntime {
             }
         } else {
             args = Object.create(null);
-            constArgs = false;
+            constArgs = true;
             for (const key of Object.keys(inputArgs)) {
                 const compiled = _compile(ctx, inputArgs[key]);
                 constArgs = constArgs && compiled.isConst;