angular: debounce.decorator.ts
source link: https://gist.github.com/stevenmoberg/b0f454f2a2685f9c788b4fe8c272cfb6
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/** * Debounce a method */ function debounce(ms) { return function(target: any, key: any, descriptor: any) { const oldFunc = descriptor.value const newFunc = _debounce(oldFunc,ms) descriptor.value = function() { return newFunc.apply(this,arguments) } } }
function _debounce(fn, ms) { _debounce.inProgress === undefined ? _debounce.inProgress = false : null if (!_debounce.inProgress) { _debounce.inProgress = true fn.apply() const timeout = setTimeout(() => { _debounce.inProgress = false clearTimeout(timeout) }, ms) } }
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