fix(CreateNumberMask.js): allow full select delete

fix #43

src/__tests__/createNumberMask.test.js

@@ -192,26 +192,6 @@ describe('Number mask', () => {
     );
   });
 
-  it('should not update the stored value if the input is invalid', () => {
-    const prefix = 'prefix 1@,.';
-    const changedPrefix = prefix.substring(0, prefix.length - 1);
-    const suffix = '1@,. suffix';
-    const changedSuffix = prefix.substring(1, suffix.length);
-
-    const updatedValue = '1,2345';
-    const previousValue = 1234;
-
-    const mask = createNumberMask({ prefix, suffix });
-
-    expect(mask.normalize(updatedValue, previousValue)).toBe(previousValue);
-    expect(
-      mask.normalize(`${changedPrefix}${updatedValue}${suffix}`, previousValue),
-    ).toBe(previousValue);
-    expect(
-      mask.normalize(`${prefix}${updatedValue}${changedSuffix}`, previousValue),
-    ).toBe(previousValue);
-  });
-
   it('should ignore any non-alphanumeric characters inputted', () => {
     const prefix = 'p';
     const suffix = 's';

src/createNumberMask.js

@@ -57,14 +57,6 @@ export default options => {
     const prefixRegex = new RegExp(`^[-|+]? ?${escapedPrefix}`);
     const suffixRegex = new RegExp(`${escapedSuffix}$`);
 
-    // If the prefix or the suffix have been modified, do nothing
-    if (
-      previousValue &&
-      (!prefixRegex.test(updatedValue) || !suffixRegex.test(updatedValue))
-    ) {
-      return previousValue;
-    }
-
     // Checks if we need to negate the value
     let multiplier = 1;
     if (allowNegative) {
@@ -123,14 +115,18 @@ export default options => {
   };
 
   const manageCaretPosition = event => {
-    if (event.target) {
+    const { target, type } = event;
+
+    if (type === 'click' || type === 'mousedown') return;
+
+    if (target) {
       if (event.persist) {
         event.persist();
       }
 
       // This timeout is needed to get updated values
       setTimeout(() => {
-        const caretPos = event.target.value.length - suffix.length;
+        const caretPos = target.value.length - suffix.length;
         event.target.setSelectionRange(caretPos, caretPos);
       });
     }