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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,17 @@ | ||
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// 每隔一段时间只能执行一次 | ||
export function throttle(wait: number) { | ||
return function(target: any, propertyKey: string, descriptor: PropertyDescriptor) { | ||
const originalMethod = descriptor.value; | ||
let isThrottled = false; | ||
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||
descriptor.value = function(...args: any[]) { | ||
if (isThrottled) { | ||
return; | ||
}; | ||
isThrottled = true; | ||
setTimeout(() => isThrottled = false, wait); | ||
return originalMethod.apply(this, args); | ||
}; | ||
}; | ||
} |
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