AnimatePresence 2.0

CHANGELOG.md

@@ -4,6 +4,12 @@ Framer Motion adheres to [Semantic Versioning](http://semver.org/).
 
 Undocumented APIs should be considered internal and may change without warning.
 
+## [11.3.18] 2024-07-29
+
+### Fixed
+
+-   Improved correctness of `AnimatePresence` and made safe to use with concurrent rendering.
+
 ## [11.3.17] 2024-07-24
 
 ### Added

dev/react/package.json

@@ -1,7 +1,7 @@
 {
     "name": "react",
     "private": true,
-    "version": "11.3.17",
+    "version": "11.3.18-alpha.0",
     "type": "module",
     "scripts": {
         "dev": "vite",
@@ -11,7 +11,7 @@
         "preview": "vite preview"
     },
     "dependencies": {
-        "framer-motion": "^11.3.17",
+        "framer-motion": "^11.3.18-alpha.0",
         "react": "^18.2.0",
         "react-dom": "^18.2.0"
     },

dev/react/src/examples/AnimatePresence-siblings.tsx

@@ -17,16 +17,15 @@ const style = {
 
 function ExitComponent({ id }) {
     return (
-        <>
-            <motion.div
-                initial={{ opacity: 0 }}
-                animate={{ opacity: 1 }}
-                exit={{ opacity: 0 }}
-                transition={{ duration: 1 }}
-                style={style}
-                id={id}
-            />
-        </>
+        <motion.div
+            key={id}
+            initial={{ opacity: 0 }}
+            animate={{ opacity: 1 }}
+            exit={{ opacity: 0 }}
+            transition={{ duration: 1 }}
+            style={style}
+            id={id}
+        />
     )
 }
 

dev/react/src/examples/AnimatePresence-switch.tsx

@@ -0,0 +1,42 @@
+import { motion, AnimatePresence } from "framer-motion"
+import { useState } from "react"
+
+/**
+ * An example of a single-child AnimatePresence animation
+ */
+
+const style = {
+    width: 100,
+    height: 100,
+    background: "red",
+    opacity: 1,
+}
+
+export const App = () => {
+    const [key, setKey] = useState("a")
+
+    return (
+        <div
+            onClick={() => {
+                setKey(key === "a" ? "b" : "a")
+            }}
+        >
+            <AnimatePresence
+                initial={false}
+                onExitComplete={() => console.log("rest")}
+            >
+                <motion.div
+                    key={key}
+                    initial={{ opacity: 0 }}
+                    animate={{ opacity: 1 }}
+                    exit={{ opacity: 0 }}
+                    transition={{ duration: 1 }}
+                    style={{
+                        ...style,
+                        background: key === "a" ? "green" : "blue",
+                    }}
+                />
+            </AnimatePresence>
+        </div>
+    )
+}

dev/react/src/examples/AnimatePresence.tsx

@@ -1,5 +1,5 @@
 import { motion, AnimatePresence } from "framer-motion"
-import { useEffect, useState } from "react";
+import { useState } from "react"
 
 /**
  * An example of a single-child AnimatePresence animation
@@ -15,26 +15,23 @@ const style = {
 export const App = () => {
     const [isVisible, setVisible] = useState(true)
 
-    useEffect(() => {
-        setTimeout(() => {
-            setVisible(!isVisible)
-        }, 1500)
-    })
-
     return (
-        <AnimatePresence
-            initial={false}
-            onExitComplete={() => console.log("rest")}
-        >
-            {isVisible && (
-                <motion.div
-                    initial={{ opacity: 0 }}
-                    animate={{ opacity: 1 }}
-                    exit={{ opacity: 0 }}
-                    transition={{ duration: 1 }}
-                    style={style}
-                />
-            )}
-        </AnimatePresence>
+        <div onClick={() => setVisible(!isVisible)}>
+            <AnimatePresence
+                initial={false}
+                onExitComplete={() => console.log("rest")}
+            >
+                {isVisible && (
+                    <motion.div
+                        key="a"
+                        initial={{ opacity: 0 }}
+                        animate={{ opacity: 1 }}
+                        exit={{ opacity: 0 }}
+                        transition={{ duration: 1 }}
+                        style={style}
+                    />
+                )}
+            </AnimatePresence>
+        </div>
     )
 }

dev/react/src/tests/animate-presence-switch-waapi.tsx

@@ -0,0 +1,37 @@
+import { AnimatePresence, motion, useMotionValue } from "framer-motion"
+import { useState } from "react"
+
+export const App = () => {
+    const count = useMotionValue(0)
+    const [state, setState] = useState(0)
+
+    return (
+        <>
+            <button
+                id="switch"
+                onClick={() => {
+                    state === 0 ? setState(1) : setState(0)
+                }}
+            >
+                Switch
+            </button>
+            <div>
+                Animation count: <motion.span id="count">{count}</motion.span>
+            </div>
+            <AnimatePresence initial={false}>
+                <motion.div
+                    id={state.toString()}
+                    className="item"
+                    key={state}
+                    initial={{ opacity: 0 }}
+                    animate={{ opacity: 1 }}
+                    exit={{ opacity: 0 }}
+                    transition={{ duration: 0.2 }}
+                    onAnimationStart={() => count.set(count.get() + 1)}
+                >
+                    {state}
+                </motion.div>
+            </AnimatePresence>
+        </>
+    )
+}

dev/react/src/tests/layout-exit.tsx

@@ -1,4 +1,4 @@
-import { useState, useEffect } from "react";
+import { useState, useEffect } from "react"
 import { motion, AnimatePresence } from "framer-motion"
 
 export const App = () => {

lerna.json

@@ -1,5 +1,5 @@
 {
-    "version": "11.3.17",
+    "version": "11.3.18-alpha.0",
     "packages": [
         "packages/*"
     ],

packages/framer-motion-3d/package.json

@@ -1,6 +1,6 @@
 {
     "name": "framer-motion-3d",
-    "version": "11.3.17",
+    "version": "11.3.18-alpha.0",
     "description": "A simple and powerful React animation library for @react-three/fiber",
     "main": "dist/cjs/index.js",
     "module": "dist/es/index.mjs",
@@ -47,7 +47,7 @@
         "postpublish": "git push --tags"
     },
     "dependencies": {
-        "framer-motion": "^11.3.17",
+        "framer-motion": "^11.3.18-alpha.0",
         "react-merge-refs": "^2.0.1"
     },
     "peerDependencies": {
@@ -62,5 +62,5 @@
         "@rollup/plugin-commonjs": "^22.0.1",
         "three": "^0.137.0"
     },
-    "gitHead": "7ce78149a4f0587c409a660214131a04fca04c51"
+    "gitHead": "f3c9de1ba4eb913f36e1f3e816f9c86784714910"
 }

packages/framer-motion/cypress/integration/animate-presence-switch-waapi.ts

@@ -0,0 +1,60 @@
+describe("AnimatePresence with WAAPI animations", () => {
+    it("Interrupting exiting animation doesn't break exit", () => {
+        cy.visit("?test=animate-presence-switch-waapi")
+            .wait(50)
+            .get(".item")
+            .should((items: any) => {
+                expect(items.length).to.equal(1)
+                expect(items[0].textContent).to.equal("0")
+            })
+            .get("#switch")
+            .trigger("click", 10, 10, { force: true })
+            .wait(50)
+            .get(".item")
+            .should((items: any) => {
+                expect(items.length).to.equal(2)
+                expect(items[0].textContent).to.equal("0")
+                expect(items[1].textContent).to.equal("1")
+            })
+            .wait(200)
+            .get(".item")
+            .should((items: any) => {
+                expect(items.length).to.equal(1)
+                expect(items[0].textContent).to.equal("1")
+            })
+            .get("#switch")
+            .trigger("click", 10, 10, { force: true })
+            .wait(20)
+            .get("#switch")
+            .trigger("click", 10, 10, { force: true })
+            .wait(20)
+            .get("#switch")
+            .trigger("click", 10, 10, { force: true })
+            .wait(300)
+            .get(".item")
+            .should((items: any) => {
+                expect(items.length).to.equal(1)
+                expect(items[0].textContent).to.equal("0")
+            })
+    })
+
+    it("Interrupting exiting animation fire more animations than expected", () => {
+        cy.visit("?test=animate-presence-switch-waapi")
+            .wait(50)
+            .get(".item")
+            .should((items: any) => {
+                expect(items.length).to.equal(1)
+                expect(items[0].textContent).to.equal("0")
+            })
+            .get("#switch")
+            .trigger("click", 10, 10, { force: true })
+            .wait(20)
+            .get("#switch")
+            .trigger("click", 10, 10, { force: true })
+            .wait(300)
+            .get("#count")
+            .should((count: any) => {
+                expect(count[0].textContent).to.equal("4")
+            })
+    })
+})

packages/framer-motion/package.json

@@ -1,6 +1,6 @@
 {
     "name": "framer-motion",
-    "version": "11.3.17",
+    "version": "11.3.18-alpha.0",
     "description": "A simple and powerful JavaScript animation library",
     "main": "dist/cjs/index.js",
     "module": "dist/es/index.mjs",
@@ -104,5 +104,5 @@
             "maxSize": "18 kB"
         }
     ],
-    "gitHead": "7ce78149a4f0587c409a660214131a04fca04c51"
+    "gitHead": "f3c9de1ba4eb913f36e1f3e816f9c86784714910"
 }

packages/framer-motion/src/animation/animators/AcceleratedAnimation.ts

@@ -313,6 +313,9 @@ export class AcceleratedAnimation<
         this.isStopped = true
         if (this.state === "idle") return
 
+        this.resolveFinishedPromise()
+        this.updateFinishedPromise()
+
         const { resolved } = this
         if (!resolved) return
 

packages/framer-motion/src/components/AnimatePresence/__tests__/AnimatePresence.test.tsx

@@ -153,7 +153,7 @@ describe("AnimatePresence", () => {
     })
 
     test("when: afterChildren fires correctly", async () => {
-        const child = await new Promise<number>((resolve) => {
+        const child = await new Promise<number>(async (resolve) => {
             const parentOpacityOutput: ResolvedValues[] = []
 
             const variants = {
@@ -191,6 +191,7 @@ describe("AnimatePresence", () => {
 
             const { rerender } = render(<Component isVisible />)
             rerender(<Component isVisible />)
+            await nextFrame()
             rerender(<Component isVisible={false} />)
             rerender(<Component isVisible={false} />)
         })
@@ -419,7 +420,7 @@ describe("AnimatePresence", () => {
                 // wait for the exit animation to check the DOM again
                 setTimeout(() => {
                     resolve(getByTestId("2").textContent === "2")
-                }, 150)
+                }, 200)
             }, 200)
         })