Updated – Switching from @react-spring/web to motion

app/components/RoundedSector.tsx

@@ -5,10 +5,9 @@
  *
  * Copyright Oxide Computer Company
  */
+import { useReducedMotion } from 'motion/react'
 import { useEffect, useMemo, useState } from 'react'
 
-import { useReducedMotion } from '~/hooks/use-reduce-motion'
-
 export function RoundedSector({
   angle,
   size,

app/components/ToastStack.tsx

@@ -5,45 +5,39 @@
  *
  * Copyright Oxide Computer Company
  */
-import { animated, useTransition } from '@react-spring/web'
+import { AnimatePresence } from 'motion/react'
+import * as m from 'motion/react-m'
 
 import { removeToast, useToastStore } from '~/stores/toast'
 import { Toast } from '~/ui/lib/Toast'
 
 export function ToastStack() {
   const toasts = useToastStore((state) => state.toasts)
 
-  const transition = useTransition(toasts, {
-    keys: (toast) => toast.id,
-    from: { opacity: 0, y: 10, scale: 95 },
-    enter: { opacity: 1, y: 0, scale: 100 },
-    leave: { opacity: 0, y: 10, scale: 95 },
-    config: { duration: 100 },
-  })
-
   return (
     <div
       className="pointer-events-auto fixed bottom-4 left-4 z-toast flex flex-col items-end space-y-2"
       data-testid="Toasts"
     >
-      {transition((style, item) => (
-        <animated.div
-          style={{
-            opacity: style.opacity,
-            y: style.y,
-            transform: style.scale.to((val) => `scale(${val}%, ${val}%)`),
-          }}
-        >
-          <Toast
-            key={item.id}
-            {...item.options}
-            onClose={() => {
-              removeToast(item.id)
-              item.options.onClose?.()
-            }}
-          />
-        </animated.div>
-      ))}
+      <AnimatePresence>
+        {toasts.map((toast) => (
+          <m.div
+            key={toast.id}
+            initial={{ opacity: 0, y: 20, scale: 0.95 }}
+            animate={{ opacity: 1, y: 0, scale: 1 }}
+            exit={{ opacity: 0, y: 20, scale: 0.95 }}
+            transition={{ type: 'spring', duration: 0.2, bounce: 0 }}
+          >
+            <Toast
+              {...toast.options}
+              onClose={() => {
+                removeToast(toast.id)
+                toast.options.onClose?.()
+              }}
+            />
+          </m.div>
+        ))}
+      </AnimatePresence>
     </div>
   )
 }

app/main.tsx

@@ -6,6 +6,7 @@
  * Copyright Oxide Computer Company
  */
 import { QueryClientProvider } from '@tanstack/react-query'
+import { LazyMotion, MotionConfig } from 'motion/react'
 // import { ReactQueryDevtools } from '@tanstack/react-query-devtools'
 import { StrictMode } from 'react'
 import { createRoot } from 'react-dom/client'
@@ -16,7 +17,6 @@ import { queryClient } from '@oxide/api'
 
 import { ConfirmActionModal } from './components/ConfirmActionModal'
 import { ErrorBoundary } from './components/ErrorBoundary'
-import { ReduceMotion } from './hooks/use-reduce-motion'
 // stripped out by rollup in production
 import { startMockAPI } from './msw-mock-api'
 import { routes } from './routes'
@@ -33,6 +33,8 @@ if (process.env.SHA) {
   )
 }
 
+const loadFeatures = () => import('./util/motion-features').then((res) => res.domAnimation)
+
 const root = createRoot(document.getElementById('root')!)
 
 function render() {
@@ -46,12 +48,15 @@ function render() {
   root.render(
     <StrictMode>
       <QueryClientProvider client={queryClient}>
-        <ErrorBoundary>
-          <ConfirmActionModal />
-          <SkipLink id="skip-nav" />
-          <ReduceMotion />
-          <RouterProvider router={router} />
-        </ErrorBoundary>
+        <LazyMotion strict features={loadFeatures}>
+          <MotionConfig reducedMotion="user">
+            <ErrorBoundary>
+              <ConfirmActionModal />
+              <SkipLink id="skip-nav" />
+              <RouterProvider router={router} />
+            </ErrorBoundary>
+          </MotionConfig>
+        </LazyMotion>
         {/* <ReactQueryDevtools initialIsOpen={false} /> */}
       </QueryClientProvider>
     </StrictMode>

app/ui/lib/Button.tsx

@@ -6,6 +6,7 @@
  * Copyright Oxide Computer Company
  */
 import cn from 'classnames'
+import * as m from 'motion/react-m'
 import { forwardRef, type MouseEventHandler, type ReactNode } from 'react'
 
 import { Spinner } from '~/ui/lib/Spinner'
@@ -90,9 +91,14 @@ export const Button = forwardRef<HTMLButtonElement, ButtonProps>(
         with={<Tooltip content={disabledReason} ref={ref} placement="bottom" />}
       >
         <button
-          className={cn(buttonStyle({ size, variant }), className, {
-            'visually-disabled': isDisabled,
-          })}
+          className={cn(
+            buttonStyle({ size, variant }),
+            className,
+            {
+              'visually-disabled': isDisabled,
+            },
+            'overflow-hidden'
+          )}
           ref={ref}
           /* eslint-disable-next-line react/button-has-type */
           type={type}
@@ -101,10 +107,26 @@ export const Button = forwardRef<HTMLButtonElement, ButtonProps>(
           aria-disabled={isDisabled}
           {...rest}
         >
-          {loading && <Spinner className="absolute" variant={variant} />}
-          <span className={cn('flex items-center', innerClassName, { invisible: loading })}>
+          {loading && (
+            <m.span
+              animate={{ opacity: 1, y: '-50%', x: '-50%' }}
+              initial={{ opacity: 0, y: 'calc(-50% - 25px)', x: '-50%' }}
+              transition={{ type: 'spring', duration: 0.3, bounce: 0 }}
+              className="absolute left-1/2 top-1/2"
+            >
+              <Spinner variant={variant} />
+            </m.span>
+          )}
+          <m.span
+            className={cn('flex items-center', innerClassName)}
+            animate={{
+              opacity: loading ? 0 : 1,
+              y: loading ? 25 : 0,
+            }}
+            transition={{ type: 'spring', duration: 0.3, bounce: 0 }}
+          >
             {children}
-          </span>
+          </m.span>
         </button>
       </Wrap>
     )

app/ui/lib/CopyToClipboard.tsx

@@ -6,8 +6,9 @@
  * Copyright Oxide Computer Company
  */
 
-import { animated, config, useTransition } from '@react-spring/web'
 import cn from 'classnames'
+import { AnimatePresence } from 'motion/react'
+import * as m from 'motion/react-m'
 import { useState } from 'react'
 
 import { Copy12Icon, Success12Icon } from '@oxide/design-system/icons/react'
@@ -20,6 +21,11 @@ type Props = {
   className?: string
 }
 
+const variants = {
+  hidden: { opacity: 0, scale: 0.75 },
+  visible: { opacity: 1, scale: 1 },
+}
+
 export const CopyToClipboard = ({
   ariaLabel = 'Click to copy',
   text,
@@ -35,14 +41,14 @@ export const CopyToClipboard = ({
     })
   }
 
-  const transitions = useTransition(hasCopied, {
-    from: { opacity: 0, transform: 'scale(0.8)' },
-    enter: { opacity: 1, transform: 'scale(1)' },
-    leave: { opacity: 0, transform: 'scale(0.8)' },
-    config: config.stiff,
-    trail: 100,
-    initial: null,
-  })
+  const animateProps = {
+    className: 'absolute inset-0 flex items-center justify-center',
+    variants,
+    initial: 'hidden',
+    animate: 'visible',
+    exit: 'hidden',
+    transition: { type: 'spring', duration: 0.2, bounce: 0 },
+  }
 
   return (
     <button
@@ -58,14 +64,17 @@ export const CopyToClipboard = ({
       type="button"
       aria-label={hasCopied ? 'Copied' : ariaLabel}
     >
-      {transitions((styles, item) => (
-        <animated.div
-          style={styles}
-          className="absolute inset-0 flex items-center justify-center"
-        >
-          {item ? <Success12Icon /> : <Copy12Icon />}
-        </animated.div>
-      ))}
+      <AnimatePresence mode="wait" initial={false}>
+        {hasCopied ? (
+          <m.span key="checkmark" {...animateProps}>
+            <Success12Icon />
+          </m.span>
+        ) : (
+          <m.span key="copy" {...animateProps}>
+            <Copy12Icon />
+          </m.span>
+        )}
+      </AnimatePresence>
     </button>
   )
 }

app/ui/lib/DialogOverlay.tsx

@@ -6,12 +6,17 @@
  * Copyright Oxide Computer Company
  */
 
+import * as m from 'motion/react-m'
 import { forwardRef } from 'react'
 
 export const DialogOverlay = forwardRef<HTMLDivElement>((_, ref) => (
-  <div
+  <m.div
     ref={ref}
     aria-hidden
     className="fixed inset-0 z-modalOverlay overflow-auto bg-scrim"
+    initial={{ opacity: 0 }}
+    animate={{ opacity: 1 }}
+    exit={{ opacity: 0 }}
+    transition={{ duration: 0.15, ease: 'easeOut' }}
   />
 ))