helpers debounce.ts

0% Statements 0/12

0% Branches 0/8

0% Functions 0/3

0% Lines 0/9

Press n or j to go to the next uncovered block, b, p or k for the previous block.


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15  
 
 
 
 
 
 
 
 
 
 
 
 
 
  export function debounce(func: Function, wait: number = 500, immediate: boolean = false): Function {
  let timeout;
  return function(this: any) {
    let context = this, args = arguments;
    let later = function() {
      timeout = null;
      if (!immediate) func.apply(context, args);
    };
    let callNow = immediate && !timeout;
    clearTimeout(timeout);
    timeout = setTimeout(later, wait);
    if (callNow) func.apply(context, args);
  };
}