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import isBrowser from './isBrowser';
const timeoutDuration = (function(){
const longerTimeoutBrowsers = ['Edge', 'Trident', 'Firefox'];
for (let i = 0; i < longerTimeoutBrowsers.length; i += 1) {
if (isBrowser && navigator.userAgent.indexOf(longerTimeoutBrowsers[i]) >= 0) {
return 1;
}
}
return 0;
}());
export function microtaskDebounce(fn) {
let called = false
return () => {
if (called) {
return
}
called = true
window.Promise.resolve().then(() => {
called = false
fn()
})
}
}
export function taskDebounce(fn) {
let scheduled = false;
return () => {
if (!scheduled) {
scheduled = true;
setTimeout(() => {
scheduled = false;
fn();
}, timeoutDuration);
}
};
}
const supportsMicroTasks = isBrowser && window.Promise
/**
* Create a debounced version of a method, that's asynchronously deferred
* but called in the minimum time possible.
*
* @method
* @memberof Popper.Utils
* @argument {Function} fn
* @returns {Function}
*/
export default (supportsMicroTasks
? microtaskDebounce
: taskDebounce);