igniteui-angular-charts
Version:
Ignite UI Angular charting components for building rich data visualizations for modern web apps.
51 lines (50 loc) • 2.06 kB
JavaScript
/*
THIS INFRAGISTICS ULTIMATE SOFTWARE LICENSE AGREEMENT ("AGREEMENT") LOCATED HERE:
https://www.infragistics.com/legal/license/igultimate-la
https://www.infragistics.com/legal/license/igultimate-eula
GOVERNS THE LICENSING, INSTALLATION AND USE OF INFRAGISTICS SOFTWARE. BY DOWNLOADING AND/OR INSTALLING AND USING INFRAGISTICS SOFTWARE: you are indicating that you have read and understand this Agreement, and agree to be legally bound by it on behalf of the yourself and your company.
*/
import { IndicatorCalculationStrategy } from "./IndicatorCalculationStrategy";
import { String_$type, markType } from "igniteui-angular-core";
import { List$1 } from "igniteui-angular-core";
/**
* @hidden
*/
export let OnBalanceVolumeIndicatorStrategy = /*@__PURE__*/ (() => {
class OnBalanceVolumeIndicatorStrategy extends IndicatorCalculationStrategy {
b(a, b) {
let c = new List$1(String_$type, 0);
c.add("CloseColumn");
c.add("VolumeColumn");
return c;
}
a(a, b) {
let c = a.closeColumn;
let d = a.volumeColumn;
let e = a.indicatorColumn;
let f = 0;
if (c != null && d != null) {
f = Math.min(c.count, d.count);
}
let g = 0;
if (f > 0) {
g = d.item(0);
e.item(0, g);
}
for (let h = 1; h < f; ++h) {
switch (Math.sign(c.item(h) - c.item(h - 1))) {
case -1:
g -= d.item(h);
break;
case 1:
g += d.item(h);
break;
}
e.item(h, g);
}
return true;
}
}
OnBalanceVolumeIndicatorStrategy.$t = markType(OnBalanceVolumeIndicatorStrategy, 'OnBalanceVolumeIndicatorStrategy', IndicatorCalculationStrategy.$);
return OnBalanceVolumeIndicatorStrategy;
})();