/**
 * @license React
 * scheduler.production.min.js
 *
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
'use strict';function f(a,b){var c=a.length;a.push(b);a:for(;0<c;){var d=c-1>>>1,e=a[d];if(0<g(e,b))a[d]=b,a[c]=e,c=d;else break a}}function h(a){return 0===a.length?null:a[0]}function k(a){if(0===a.length)return null;var b=a[0],c=a.pop();if(c!==b){a[0]=c;a:for(var d=0,e=a.length,w=e>>>1;d<w;){var m=2*(d+1)-1,C=a[m],n=m+1,x=a[n];if(0>g(C,c))n<e&&0>g(x,C)?(a[d]=x,a[n]=c,d=n):(a[d]=C,a[m]=c,d=m);else if(n<e&&0>g(x,c))a[d]=x,a[n]=c,d=n;else break a}}return b}
function g(a,b){var c=a.sortIndex-b.sortIndex;return 0!==c?c:a.id-b.id}if("object"===typeof performance&&"function"===typeof performance.now){var l=performance;exports.unstable_now=function(){return l.now()}}else{var p=Date,q=p.now();exports.unstable_now=function(){return p.now()-q}}var r=[],t=[],u=1,v=null,y=3,z=!1,A=!1,B=!1,D="function"===typeof setTimeout?setTimeout:null,E="function"===typeof clearTimeout?clearTimeout:null,F="undefined"!==typeof setImmediate?setImmediate:null;
"undefined"!==typeof navigator&&void 0!==navigator.scheduling&&void 0!==navigator.scheduling.isInputPending&&navigator.scheduling.isInputPending.bind(navigator.scheduling);function G(a){for(var b=h(t);null!==b;){if(null===b.callback)k(t);else if(b.startTime<=a)k(t),b.sortIndex=b.expirationTime,f(r,b);else break;b=h(t)}}function H(a){B=!1;G(a);if(!A)if(null!==h(r))A=!0,I(J);else{var b=h(t);null!==b&&K(H,b.startTime-a)}}
function J(a,b){A=!1;B&&(B=!1,E(L),L=-1);z=!0;var c=y;try{G(b);for(v=h(r);null!==v&&(!(v.expirationTime>b)||a&&!M());){var d=v.callback;if("function"===typeof d){v.callback=null;y=v.priorityLevel;var e=d(v.expirationTime<=b);b=exports.unstable_now();"function"===typeof e?v.callback=e:v===h(r)&&k(r);G(b)}else k(r);v=h(r)}if(null!==v)var w=!0;else{var m=h(t);null!==m&&K(H,m.startTime-b);w=!1}return w}finally{v=null,y=c,z=!1}}var N=!1,O=null,L=-1,P=5,Q=-1;
function M(){return exports.unstable_now()-Q<P?!1:!0}function R(){if(null!==O){var a=exports.unstable_now();Q=a;var b=!0;try{b=O(!0,a)}finally{b?S():(N=!1,O=null)}}else N=!1}var S;if("function"===typeof F)S=function(){F(R)};else if("undefined"!==typeof MessageChannel){var T=new MessageChannel,U=T.port2;T.port1.onmessage=R;S=function(){U.postMessage(null)}}else S=function(){D(R,0)};function I(a){O=a;N||(N=!0,S())}function K(a,b){L=D(function(){a(exports.unstable_now())},b)}
exports.unstable_IdlePriority=5;exports.unstable_ImmediatePriority=1;exports.unstable_LowPriority=4;exports.unstable_NormalPriority=3;exports.unstable_Profiling=null;exports.unstable_UserBlockingPriority=2;exports.unstable_cancelCallback=function(a){a.callback=null};exports.unstable_continueExecution=function(){A||z||(A=!0,I(J))};
exports.unstable_forceFrameRate=function(a){0>a||125<a?console.error("forceFrameRate takes a positive int between 0 and 125, forcing frame rates higher than 125 fps is not supported"):P=0<a?Math.floor(1E3/a):5};exports.unstable_getCurrentPriorityLevel=function(){return y};exports.unstable_getFirstCallbackNode=function(){return h(r)};exports.unstable_next=function(a){switch(y){case 1:case 2:case 3:var b=3;break;default:b=y}var c=y;y=b;try{return a()}finally{y=c}};exports.unstable_pauseExecution=function(){};
exports.unstable_requestPaint=function(){};exports.unstable_runWithPriority=function(a,b){switch(a){case 1:case 2:case 3:case 4:case 5:break;default:a=3}var c=y;y=a;try{return b()}finally{y=c}};
exports.unstable_scheduleCallback=function(a,b,c){var d=exports.unstable_now();"object"===typeof c&&null!==c?(c=c.delay,c="number"===typeof c&&0<c?d+c:d):c=d;switch(a){case 1:var e=-1;break;case 2:e=250;break;case 5:e=1073741823;break;case 4:e=1E4;break;default:e=5E3}e=c+e;a={id:u++,callback:b,priorityLevel:a,startTime:c,expirationTime:e,sortIndex:-1};c>d?(a.sortIndex=c,f(t,a),null===h(r)&&a===h(t)&&(B?(E(L),L=-1):B=!0,K(H,c-d))):(a.sortIndex=e,f(r,a),A||z||(A=!0,I(J)));return a};
exports.unstable_shouldYield=M;exports.unstable_wrapCallback=function(a){var b=y;return function(){var c=y;y=b;try{return a.apply(this,arguments)}finally{y=c}}};
