igniteui-react-charts
Version:
Ignite UI React charting components for building rich data visualizations using TypeScript APIs.
50 lines (49 loc) • 2 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-react-core";
import { List$1 } from "igniteui-react-core";
/**
* @hidden
*/
export let NegativeVolumeIndexIndicatorStrategy = /*@__PURE__*/ (() => {
class NegativeVolumeIndexIndicatorStrategy 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;
let g = 0;
let h = 0;
if (e.count > 0) {
e.item(0, f);
}
for (let i = 1; i < e.count; i++) {
if (d.item(i) < d.item(i - 1)) {
g = b.i((c.item(i) - c.item(i - 1)) / c.item(i - 1));
if (h != 0) {
f += g * h;
}
else {
f += g;
}
}
e.item(i, f);
h = f;
}
return true;
}
}
NegativeVolumeIndexIndicatorStrategy.$t = /*@__PURE__*/ markType(NegativeVolumeIndexIndicatorStrategy, 'NegativeVolumeIndexIndicatorStrategy', IndicatorCalculationStrategy.$);
return NegativeVolumeIndexIndicatorStrategy;
})();