scheduler/cjs/scheduler.production.min.js

/** @license React v0.13.1
 * 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';Object.defineProperty(exports,"__esModule",{value:!0});var c=null,f=!1,h=3,k=-1,l=-1,m=!1,n=!1;function p(){if(!m){var a=c.expirationTime;n?q():n=!0;r(t,a)}}
function u(){var a=c,b=c.next;if(c===b)c=null;else{var d=c.previous;c=d.next=b;b.previous=d}a.next=a.previous=null;d=a.callback;b=a.expirationTime;a=a.priorityLevel;var e=h,Q=l;h=a;l=b;try{var g=d()}finally{h=e,l=Q}if("function"===typeof g)if(g={callback:g,priorityLevel:a,expirationTime:b,next:null,previous:null},null===c)c=g.next=g.previous=g;else{d=null;a=c;do{if(a.expirationTime>=b){d=a;break}a=a.next}while(a!==c);null===d?d=c:d===c&&(c=g,p());b=d.previous;b.next=d.previous=g;g.next=d;g.previous=
b}}function v(){if(-1===k&&null!==c&&1===c.priorityLevel){m=!0;try{do u();while(null!==c&&1===c.priorityLevel)}finally{m=!1,null!==c?p():n=!1}}}function t(a){m=!0;var b=f;f=a;try{if(a)for(;null!==c;){var d=exports.unstable_now();if(c.expirationTime<=d){do u();while(null!==c&&c.expirationTime<=d)}else break}else if(null!==c){do u();while(null!==c&&!w())}}finally{m=!1,f=b,null!==c?p():n=!1,v()}}
var x=Date,y="function"===typeof setTimeout?setTimeout:void 0,z="function"===typeof clearTimeout?clearTimeout:void 0,A="function"===typeof requestAnimationFrame?requestAnimationFrame:void 0,B="function"===typeof cancelAnimationFrame?cancelAnimationFrame:void 0,C,D;function E(a){C=A(function(b){z(D);a(b)});D=y(function(){B(C);a(exports.unstable_now())},100)}
if("object"===typeof performance&&"function"===typeof performance.now){var F=performance;exports.unstable_now=function(){return F.now()}}else exports.unstable_now=function(){return x.now()};var r,q,w,G=null;"undefined"!==typeof window?G=window:"undefined"!==typeof global&&(G=global);
if(G&&G._schedMock){var H=G._schedMock;r=H[0];q=H[1];w=H[2];exports.unstable_now=H[3]}else if("undefined"===typeof window||"function"!==typeof MessageChannel){var I=null,J=function(a){if(null!==I)try{I(a)}finally{I=null}};r=function(a){null!==I?setTimeout(r,0,a):(I=a,setTimeout(J,0,!1))};q=function(){I=null};w=function(){return!1}}else{"undefined"!==typeof console&&("function"!==typeof A&&console.error("This browser doesn't support requestAnimationFrame. Make sure that you load a polyfill in older browsers. https://fb.me/react-polyfills"),
"function"!==typeof B&&console.error("This browser doesn't support cancelAnimationFrame. Make sure that you load a polyfill in older browsers. https://fb.me/react-polyfills"));var K=null,L=!1,M=-1,N=!1,O=!1,P=0,R=33,S=33;w=function(){return P<=exports.unstable_now()};var T=new MessageChannel,U=T.port2;T.port1.onmessage=function(){L=!1;var a=K,b=M;K=null;M=-1;var d=exports.unstable_now(),e=!1;if(0>=P-d)if(-1!==b&&b<=d)e=!0;else{N||(N=!0,E(V));K=a;M=b;return}if(null!==a){O=!0;try{a(e)}finally{O=!1}}};
var V=function(a){if(null!==K){E(V);var b=a-P+S;b<S&&R<S?(8>b&&(b=8),S=b<R?R:b):R=b;P=a+S;L||(L=!0,U.postMessage(void 0))}else N=!1};r=function(a,b){K=a;M=b;O||0>b?U.postMessage(void 0):N||(N=!0,E(V))};q=function(){K=null;L=!1;M=-1}}exports.unstable_ImmediatePriority=1;exports.unstable_UserBlockingPriority=2;exports.unstable_NormalPriority=3;exports.unstable_IdlePriority=5;exports.unstable_LowPriority=4;
exports.unstable_runWithPriority=function(a,b){switch(a){case 1:case 2:case 3:case 4:case 5:break;default:a=3}var d=h,e=k;h=a;k=exports.unstable_now();try{return b()}finally{h=d,k=e,v()}};
exports.unstable_scheduleCallback=function(a,b){var d=-1!==k?k:exports.unstable_now();if("object"===typeof b&&null!==b&&"number"===typeof b.timeout)b=d+b.timeout;else switch(h){case 1:b=d+-1;break;case 2:b=d+250;break;case 5:b=d+1073741823;break;case 4:b=d+1E4;break;default:b=d+5E3}a={callback:a,priorityLevel:h,expirationTime:b,next:null,previous:null};if(null===c)c=a.next=a.previous=a,p();else{d=null;var e=c;do{if(e.expirationTime>b){d=e;break}e=e.next}while(e!==c);null===d?d=c:d===c&&(c=a,p());
b=d.previous;b.next=d.previous=a;a.next=d;a.previous=b}return a};exports.unstable_cancelCallback=function(a){var b=a.next;if(null!==b){if(b===a)c=null;else{a===c&&(c=b);var d=a.previous;d.next=b;b.previous=d}a.next=a.previous=null}};exports.unstable_wrapCallback=function(a){var b=h;return function(){var d=h,e=k;h=b;k=exports.unstable_now();try{return a.apply(this,arguments)}finally{h=d,k=e,v()}}};exports.unstable_getCurrentPriorityLevel=function(){return h};
exports.unstable_shouldYield=function(){return!f&&(null!==c&&c.expirationTime<l||w())};exports.unstable_continueExecution=function(){null!==c&&p()};exports.unstable_pauseExecution=function(){};exports.unstable_getFirstCallbackNode=function(){return c};