adding bugfixes

src/TinyOnePage.riot

@@ -102,6 +102,9 @@
                 // get elements
                 const elements = this.$$('.tiny-one-page__inner a');
 
+                // @TODO check offset
+                const offset = 25;
+
                 // if found
                 let hasFound = false;
 
@@ -124,18 +127,11 @@
                         next = document.querySelector(elements[index + 1].hash);
                     }
 
-                    if (index === 0) {
-                        offsetTop = 0;
-                    }
-
                     // check if element is visible
-                    if (!result && ((offsetTop <= window.pageYOffset) && (offsetTop + target.offsetHeight) > window.pageYOffset)) {
+                    if (!result &&
+                       (target.offsetTop - (window.innerHeight / 2)) <= (window.pageYOffset + offset) &&
+                       (target.offsetTop + target.offsetHeight) - (window.innerHeight / 2) > window.pageYOffset) {
                         result = target;
-
-                        // check if the next element is showing up
-                        if (next && offsetTop < window.pageYOffset && next.offsetTop > window.pageYOffset && next.offsetTop < (window.pageYOffset + (window.innerHeight / 2))) {
-                            result = next;
-                        }
                     }
 
                     // remove class from each element
@@ -143,10 +139,7 @@
 
                 }.bind(this));
 
-                // @TODO small workaround to ignore gaps between elements where no one found
-                if (result) {
-                    this.addClass(this.$(".tiny-one-page__inner a[href$='" + result.id + "']"));
-                }
+                this.addClass(this.$(".tiny-one-page__inner a[href$='" + result.id + "']"));
             }
         }