我使用React Portals构建了一个 React Modal组件(请参阅上面的文档)。在单击关闭按钮时卸载组件之前,我想使用AnimatePresence通过 Framer Motion 运行动画。不幸的是,我无法让它发挥作用,需要帮助。exit
我添加
exit={{ opacity: 0 }}了一个孩子<RenderModal/>。输入动画使用initial并按animate预期工作。
<AnimatePresence>模态根元素<div id="root"></div>
<AnimatePresence>
<div id="modal-root"></div>
</AnimatePresence>
Run Code Online (Sandbox Code Playgroud)
错误:目标容器需要 DOM 元素
<div id="modal-root">
<AnimatePresence></AnimatePresence>
</div>
Run Code Online (Sandbox Code Playgroud)
const Modal = ({
title,
footer,
children,
}) => {
<AnimatePresence>
{isVisible
&& (
<RenderModal
title={title}
footer={footer}
hide={hide}
>
{children}
</RenderModal>
)}
</AnimatePresence>
};
Run Code Online (Sandbox Code Playgroud)
return …Run Code Online (Sandbox Code Playgroud) 对于使用 otree ( http://otree.readthedocs.io/ )的项目,我在尝试安装时遇到了一些问题Channels以使用实时功能时遇到了一些问题。
由于输出很长,我试图找出最重要的部分:
有关完整输出,请参阅:https://jsfiddle.net/L4ccmr2k/1/
红色标记的输出和我认为相关的输出:
1.
Building wheels for collected packages: twisted
Running setup.py bdist_wheel for twisted ... error
Run Code Online (Sandbox Code Playgroud)
2.
creating build/temp.macosx-10.6-intel-3.6
creating build/temp.macosx-10.6-intel-3.6/src
creating build/temp.macosx-10.6-intel-3.6/src/twisted
creating build/temp.macosx-10.6-intel-3.6/src/twisted/test
/usr/bin/clang -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -arch i386 -arch x86_64 -g -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/twisted/test/raiser.c -o build/temp.macosx-10.6-intel-3.6/src/twisted/test/raiser.o
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
error: command '/usr/bin/clang' failed with exit status 1
----------------------------------------
Failed building wheel for twisted …Run Code Online (Sandbox Code Playgroud) 在当下画布绘制15个不同速度和大小的圆圈,从ltr移动.当其中一个离开窗口时,它将被设置为开始.问题是画布在圆圈之间划线,我不知道为什么?有人可以帮忙吗?
window.onload = function () {
var canvas = document.getElementById('canvas');
var ctx = canvas.getContext('2d');
var W = canvas.width = window.innerWidth;
var H = canvas.height = window.innerHeight;
var mp = 15; //max particles
var particles = [];
//var rotate = 180;
reqAnimFrame = window.requestAnimationFrame ||
window.mozRequestAnimationFrame ||
window.webkitRequestAnimationFrame ||
window.msRequestAnimationFrame ||
window.oRequestAnimationFrame;
for ( var i = 0; i < mp; i++ )
{
particles.push({
x: Math.floor(Math.random()*W), //x-coordinate
y: Math.floor(Math.random()*H), //y-coordinate
d: Math.floor(Math.random()*(mp - 1) + 1), //density
r: Math.floor(Math.random()*(70 - …Run Code Online (Sandbox Code Playgroud)