about summary refs log tree commit diff
path: root/app/javascript/flavours/glitch/utils/scroll.js
diff options
context:
space:
mode:
Diffstat (limited to 'app/javascript/flavours/glitch/utils/scroll.js')
-rw-r--r--app/javascript/flavours/glitch/utils/scroll.js32
1 files changed, 0 insertions, 32 deletions
diff --git a/app/javascript/flavours/glitch/utils/scroll.js b/app/javascript/flavours/glitch/utils/scroll.js
deleted file mode 100644
index 84fe58269..000000000
--- a/app/javascript/flavours/glitch/utils/scroll.js
+++ /dev/null
@@ -1,32 +0,0 @@
-const easingOutQuint = (x, t, b, c, d) => c * ((t = t / d - 1) * t * t * t * t + 1) + b;
-
-const scroll = (node, key, target) => {
-  const startTime = Date.now();
-  const offset    = node[key];
-  const gap       = target - offset;
-  const duration  = 1000;
-  let interrupt   = false;
-
-  const step = () => {
-    const elapsed    = Date.now() - startTime;
-    const percentage = elapsed / duration;
-
-    if (percentage > 1 || interrupt) {
-      return;
-    }
-
-    node[key] = easingOutQuint(0, elapsed, offset, gap, duration);
-    requestAnimationFrame(step);
-  };
-
-  step();
-
-  return () => {
-    interrupt = true;
-  };
-};
-
-const isScrollBehaviorSupported = 'scrollBehavior' in document.documentElement.style;
-
-export const scrollRight = (node, position) => isScrollBehaviorSupported ? node.scrollTo({ left: position, behavior: 'smooth' }) : scroll(node, 'scrollLeft', position);
-export const scrollTop = (node) => isScrollBehaviorSupported ? node.scrollTo({ top: 0, behavior: 'smooth' }) : scroll(node, 'scrollTop', 0);