fix: fix adding unnecessary symbols in postfix-postprocessor

projects/demo-integrations/src/tests/component-testing/number/mirrored-value-postfix.cy.ts

@@ -0,0 +1,34 @@
+import {maskitoNumberOptionsGenerator} from '@maskito/kit';
+
+import {TestInput} from '../utils';
+
+describe('Number | [postfix]=" EUR" (no initial value & no caret guard)', () => {
+    beforeEach(() => {
+        cy.mount(TestInput, {
+            componentProperties: {
+                initialValue: '',
+                maskitoOptions: maskitoNumberOptionsGenerator({
+                    postfix: ' EUR',
+                    precision: 2,
+                }),
+            },
+        });
+        cy.get('input').focus().should('have.value', '').as('input');
+    });
+
+    it('Empty input => Paste "11.22 " => Textfield\'s value is "11.22 EUR"', () => {
+        cy.get('input')
+            .paste('11.22 ')
+            .should('have.value', '11.22 EUR')
+            .should('have.prop', 'selectionStart', '11.22 '.length)
+            .should('have.prop', 'selectionEnd', '11.22 '.length);
+    });
+
+    it('Empty input => Paste "11.22  " => Textfield\'s value is "11.22 EUR"', () => {
+        cy.get('input')
+            .paste('11.22  ')
+            .should('have.value', '11.22 EUR')
+            .should('have.prop', 'selectionStart', '11.22 '.length)
+            .should('have.prop', 'selectionEnd', '11.22 '.length);
+    });
+});

projects/kit/src/lib/processors/postfix-postprocessor.ts

@@ -26,6 +26,7 @@ export function maskitoPostfixPostprocessorGenerator(
                   '',
               );
               const postfixWasModified =
+                  !value.endsWith(postfix) &&
                   initialElementState.selection[1] >= initialValueBeforePostfix.length;
               const alreadyExistedValueBeforePostfix = findCommonBeginningSubstr(
                   initialValueBeforePostfix,