+import { sineOut } from 'svelte/easing';
+
+export const blink = function whoosh(node, params) {
+
+ const originalWidth = parseFloat(getComputedStyle(node).width);
+ const originalHeight = parseFloat(getComputedStyle(node).height);
+
+ return {
+ delay: params.delay || 0,
+ duration: params.duration || 400,
+ easing: params.easing || sineOut,
+ css: (t, u) => {
+
+ const halfWidth = originalWidth / 2;
+ const halfHeight = originalHeight / 2;
+ // const padding = t < 0.8 ? halfWidth * (1 - t) / 0.8 : halfWidth / 2 + 1;
+ const height = t <= 0.2 ? (originalHeight * t / 0.2) : originalHeight;
+ const marginY = t <= 0.2 ? (halfHeight * (1 - t / 0.2)) : 0;
+ const width = t > 0.2 ? ((t - 0.2) / 0.8) * originalWidth : 0;
+ const marginX = t > 0.2 ? (1 - ((t - 0.2) / 0.8)) * halfWidth : halfWidth;
+
+ return `width: ${width}px; height: ${height}px; margin: ${marginY}px ${marginX}px`;
+ }
+ };
+};