refactor: seperate motion variants

src/components/buttons/unselect/unselect.tsx

@@ -16,6 +16,7 @@ import { AnimatePresence, motion } from 'framer-motion';
 
 import { useSoundStore } from '@/store';
 import { cn } from '@/helpers/styles';
+import { fade, mix, slideX } from '@/lib/motion';
 
 import styles from './unselect.module.css';
 
@@ -47,14 +48,17 @@ export function UnselectButton() {
   const hasHistory = useSoundStore(state => !!state.history);
   const unselectAll = useSoundStore(state => state.unselectAll);
 
+  const variants = mix(fade(), slideX(20));
+
   return (
     <>
       <AnimatePresence mode="popLayout">
         {(!noSelected || hasHistory) && (
           <motion.div
-            animate={{ opacity: 1, x: 0 }}
+            animate="show"
-            exit={{ opacity: 0, x: 20 }}
+            exit="hidden"
-            initial={{ opacity: 0, x: 20 }}
+            initial="hidden"
+            variants={variants}
           >
             <button
               disabled={noSelected && !hasHistory}

src/components/category/category.tsx

@@ -1,6 +1,7 @@
 import { motion } from 'framer-motion';
 
 import { Sounds } from '@/components/sounds';
+import { fade } from '@/lib/motion';
 
 import styles from './category.module.css';
 
@@ -24,12 +25,15 @@ export function Category({
   sounds,
   title,
 }: CategoryProps) {
+  const variants = fade();
+
   return (
     <motion.div
-      animate={{ opacity: 1 }}
+      animate="show"
       className={styles.category}
-      initial={{ opacity: 0 }}
+      initial="hidden"
       layout="position"
+      variants={variants}
     >
       <div className={styles.iconContainer}>
         <div className={styles.tail} />

src/components/sound/like/like.tsx

@@ -3,6 +3,7 @@ import { AnimatePresence, motion } from 'framer-motion';
 
 import { useFavoriteStore } from '@/store/favorite';
 import { cn } from '@/helpers/styles';
+import { fade } from '@/lib/motion';
 
 import styles from './like.module.css';
 
@@ -14,6 +15,8 @@ export function Like({ id }: LikeProps) {
   const isFavorite = useFavoriteStore(state => state.favorites.includes(id));
   const toggleFavorite = useFavoriteStore(state => state.toggleFavorite);
 
+  const variants = fade();
+
   return (
     <AnimatePresence initial={false} mode="wait">
       <button
@@ -25,10 +28,11 @@ export function Like({ id }: LikeProps) {
         }}
       >
         <motion.span
-          animate={{ opacity: 1 }}
+          animate="show"
-          exit={{ opacity: 0 }}
+          exit="hidden"
-          initial={{ opacity: 0 }}
+          initial="hidden"
           key={isFavorite ? `${id}-is-favorite` : `${id}-not-favorite`}
+          variants={variants}
         >
           {isFavorite ? <BiSolidHeart /> : <BiHeart />}
         </motion.span>

src/components/sounds/sounds.tsx

@@ -4,6 +4,7 @@ import { AnimatePresence, motion } from 'framer-motion';
 import { Sound } from '@/components/sound';
 import { useLocalStorage } from '@/hooks/use-local-storage';
 import { cn } from '@/helpers/styles';
+import { fade, scale, mix } from '@/lib/motion';
 
 import styles from './sounds.module.css';
 
@@ -45,6 +46,8 @@ export function Sounds({ functional, id, sounds }: SoundsProps) {
     }));
   }, []);
 
+  const variants = mix(fade(), scale(0.85));
+
   return (
     <div>
       <div className={styles.sounds}>
@@ -68,11 +71,12 @@ export function Sounds({ functional, id, sounds }: SoundsProps) {
       {sounds.length > 6 && (
         <AnimatePresence initial={false} mode="wait">
           <motion.button
-            animate={{ opacity: 1, scale: 1 }}
+            animate="show"
-            exit={{ opacity: 0, scale: 0.85 }}
+            exit="hidden"
-            initial={{ opacity: 0, scale: 0.85 }}
+            initial="hidden"
             key={showAll ? `${id}-show-less` : `${id}-show-more`}
             transition={{ duration: 0.2 }}
+            variants={variants}
             className={cn(
               styles.button,
               hasHiddenSelection && !showAll && styles.active,

src/lib/motion.ts

@@ -0,0 +1,48 @@
+type Motion = {
+  hidden: {
+    [key: string]: number | string;
+  };
+  show: {
+    [key: string]: number | string;
+  };
+};
+
+export function fade(): Motion {
+  return {
+    hidden: { opacity: 0 },
+    show: { opacity: 1 },
+  };
+}
+
+export function scale(from = 0.85, to = 1): Motion {
+  return {
+    hidden: { scale: from },
+    show: { scale: to },
+  };
+}
+
+export function slideX(from = -10, to = 0): Motion {
+  return {
+    hidden: { x: from },
+    show: { x: to },
+  };
+}
+
+export function slideY(from = -10, to = 0): Motion {
+  return {
+    hidden: { Y: from },
+    show: { Y: to },
+  };
+}
+
+export function mix(...motions: Array<Motion>): Motion {
+  let hidden = {};
+  let show = {};
+
+  motions.forEach(motion => {
+    if (motion.hidden) hidden = { ...hidden, ...motion.hidden };
+    if (motion.show) show = { ...show, ...motion.show };
+  });
+
+  return { hidden, show };
+}