Add state.hasTag(...)

statelyai · Apr 29, 2021 · 8c91497 · 8c91497
1 parent 48ab8db
commit 8c91497
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Showing 2 changed files with 14 additions and 6 deletions.
diff --git a/packages/core/src/State.ts b/packages/core/src/State.ts
@@ -304,4 +304,12 @@ export class State<
   > & { value: TSV } {
     return matchesState(parentStateValue as StateValue, this.value);
   }
+
+  /**
+   * Whether the current state configuration has a state node with the specified `tag`.
+   * @param tag
+   */
+  public hasTag(tag: string): boolean {
+    return this.tags.has(tag);
+  }
 }
diff --git a/packages/core/test/tags.test.ts b/packages/core/test/tags.test.ts
@@ -20,8 +20,8 @@ describe('tags', () => {
       }
     });
 
-    expect(machine.initialState.tags.has('go')).toBeTruthy();
-    expect(machine.transition('yellow', 'TIMER').tags.has('go')).toBeFalsy();
+    expect(machine.initialState.hasTag('go')).toBeTruthy();
+    expect(machine.transition('yellow', 'TIMER').hasTag('go')).toBeFalsy();
   });
 
   it('supports tags in compound states', () => {
@@ -47,9 +47,9 @@ describe('tags', () => {
       }
     });
 
-    expect(machine.initialState.tags.has('go')).toBeFalsy();
-    expect(machine.initialState.tags.has('stop')).toBeTruthy();
-    expect(machine.initialState.tags.has('crosswalkLight')).toBeTruthy();
+    expect(machine.initialState.hasTag('go')).toBeFalsy();
+    expect(machine.initialState.hasTag('stop')).toBeTruthy();
+    expect(machine.initialState.hasTag('crosswalkLight')).toBeTruthy();
   });
 
   it('supports tags in parallel states', () => {
@@ -101,7 +101,7 @@ describe('tags', () => {
       }
     });
 
-    expect(machine.initialState.tags.has('go')).toBeTruthy();
+    expect(machine.initialState.hasTag('go')).toBeTruthy();
   });
 
   it('stringifies to an array', () => {