Merge pull request #104 from r4b6i0/master

fix(): wrong height calculation when textarea has a padding

Author: chrum

projects/ngx-autosize/src/lib/autosize.directive.ts

@@ -159,10 +159,10 @@ export class AutosizeDirective implements OnDestroy, OnChanges, AfterContentChec
             height += parseInt(computedStyle.getPropertyValue('border-top-width'));
             height += parseInt(computedStyle.getPropertyValue('border-bottom-width'));
 
-            // add into height top and bottom paddings width
-            height += parseInt(computedStyle.getPropertyValue('padding-top'));
-            height += parseInt(computedStyle.getPropertyValue('padding-bottom'));
-
+            if (computedStyle.getPropertyValue('box-sizing') === 'content-box') {
+                height -= parseInt(computedStyle.getPropertyValue('padding-top'));
+                height -= parseInt(computedStyle.getPropertyValue('padding-bottom'));
+            }
 
             const oldHeight = this.textAreaEl.offsetHeight;
             const willGrow = height > oldHeight;