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Reduce time complexity of alarms calculation

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This commit is contained in:
Hadi Nategh 2022-05-23 15:44:34 +02:00
parent d9436628cd
commit 98e959346c
1 changed files with 15 additions and 7 deletions
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22
api/js/etemplate/et2_widget_countdown.ts
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@ -121,14 +121,22 @@ export class et2_countdown extends et2_valueWidget {
if (distance < 0) return 0;
let alarms = Array.isArray(this.options.alarm) ? this.options.alarm : [this.options.alarm];
for (let i=0;i<=alarms.length;i++)
let alarms = [];
if (Array.isArray(this.options.alarm))
{
if (alarms[i] > 0 && alarms[i] == Math.floor(distance/1000) && typeof this.onAlarm == 'function')
{
this.onAlarm();
}
alarms = this.options.alarm;
}
else
{
alarms[this.options.alarm] = this.options.alarm;
}
// alarm values should be set as array index to reduce its time complexity from O(n) to O(1)
// otherwise the execution time might be more than a second which would cause timer being delayed
if (alarms[Math.floor(distance/1000)] && typeof this.onAlarm == 'function')
{
console.log('alarm is called')
this.onAlarm();
}
let values = {