30 lines
895 B
TypeScript
30 lines
895 B
TypeScript
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import BaseCallbackHandler from "./BaseCallbackHandler";
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class DynamicHeightCallbackHandler extends BaseCallbackHandler {
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private static instance: DynamicHeightCallbackHandler;
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/**
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* The Singleton's constructor should always be private to prevent direct
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* construction calls with the `new` operator.
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*/
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private constructor() {
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super();
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}
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/**
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* The static method that controls the access to the singleton instance.
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*
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* This implementation let you subclass the Singleton class while keeping
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* just one instance of each subclass around.
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*/
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public static getInstance(): DynamicHeightCallbackHandler {
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if (!DynamicHeightCallbackHandler.instance) {
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DynamicHeightCallbackHandler.instance = new DynamicHeightCallbackHandler();
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}
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return DynamicHeightCallbackHandler.instance;
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}
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}
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export default DynamicHeightCallbackHandler.getInstance();
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