Added changeset.

.changeset/witty-crews-smell.md

@@ -0,0 +1,5 @@
+---
+'mermaid': patch
+---
+
+`mermaidAPI.getDiagramFromText()` now returns a new different db for each state diagram

packages/mermaid/src/diagrams/state/stateDb.js

@@ -30,12 +30,15 @@ export class StateDb {
   #START_TYPE = 'start';
   #END_NODE = this.#START_NODE;
   #END_TYPE = 'end';
-
   #COLOR_KEYWORD = 'color';
   #FILL_KEYWORD = 'fill';
   #BG_FILL = 'bgFill';
   #STYLECLASS_SEP = ',';
 
+  constructor() {
+    this.clear();
+  }
+
   /**
    * Returns a new list of classes.
    * In the future, this can be replaced with a class common to all diagrams.
@@ -54,10 +57,6 @@ export class StateDb {
   #rootDoc = [];
   #classes = this.#newClassesList(); // style classes defined by a classDef
 
-  constructor() {
-    this.clear();
-  }
-
   // --------------------------------------
 
   #newDoc = () => {

packages/mermaid/src/mermaidAPI.spec.ts

@@ -848,6 +848,7 @@ graph TD;A--x|text including URL space|B;`)
       );
       const classDiagram2 = await mermaidAPI.getDiagramFromText(
         `stateDiagram
+          direction TB
           [*] --> Still
           Still --> [*]
           Still --> Moving
@@ -858,7 +859,7 @@ graph TD;A--x|text including URL space|B;`)
       expect(classDiagram1.db).not.toBe(classDiagram2.db);
       assert(classDiagram1.db instanceof StateDb);
       assert(classDiagram2.db instanceof StateDb);
-      expect(classDiagram2.db.getDirection()).not.toEqual(classDiagram2.db.getDirection());
+      expect(classDiagram1.db.getDirection()).not.toEqual(classDiagram2.db.getDirection());
     });
   });