Created
September 2, 2017 22:32
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Quick JavaScript/Typescript debounce function.
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| const debounce = (f, delay) => { | |
| let timer = null; | |
| return a=> { | |
| if(!timer) { | |
| timer = setTimeout(a=>f(a), delay); | |
| }else{ | |
| clearTimeout(timer); | |
| timer = setTimeout(a=>f(a), delay); | |
| } | |
| } | |
| } |
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| const debounce = <A>(f:(a:A)=>void, delay:number) => { | |
| let timer:number = null; | |
| return (a:A)=> { | |
| if(!timer) { | |
| timer = setTimeout(()=>f(a), delay); | |
| }else{ | |
| clearTimeout(timer); | |
| timer = setTimeout(()=>f(a), delay); | |
| } | |
| } | |
| } |
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You can't do
let timer:number = null;