11 lines
822 B
JavaScript
11 lines
822 B
JavaScript
/** @license React vundefined
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* use-subscription.production.min.js
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*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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'use strict';var e=require("object-assign"),g=require("react");
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exports.useSubscription=function(a){var c=a.getCurrentValue,d=a.subscribe,b=g.useState(function(){return{getCurrentValue:c,subscribe:d,value:c()}});a=b[0];var f=b[1];b=a.value;if(a.getCurrentValue!==c||a.subscribe!==d)b=c(),f({getCurrentValue:c,subscribe:d,value:b});g.useDebugValue(b);g.useEffect(function(){function b(){if(!a){var b=c();f(function(a){return a.getCurrentValue!==c||a.subscribe!==d||a.value===b?a:e({},a,{value:b})})}}var a=!1,h=d(b);b();return function(){a=!0;h()}},[c,d]);return b};
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