feat: add Symbol.isOptional method (#1285)

dsherret · Jun 3, 2022 · c7f3512 · c7f3512
1 parent 698cf80
commit c7f3512
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/packages/ts-morph/src/compiler/symbols/Symbol.ts b/packages/ts-morph/src/compiler/symbols/Symbol.ts
@@ -94,6 +94,13 @@ export class Symbol {
     return (this.getFlags() & SymbolFlags.Alias) === SymbolFlags.Alias;
   }
 
+  /**
+   * Gets if the symbol is optional.
+   */
+  isOptional() {
+    return (this.getFlags() & SymbolFlags.Optional) === SymbolFlags.Optional;
+  }
+
   /**
    * Gets the symbol flags.
    */