pricehistory/dist/esm/candle.setSignal.js

Transforms raw OHLCV series data into enriched candles with technical indicators, pattern recognition, and trend analysis.

import * as utilN from "@nameer/utils";
function setCandleSignal(opt, candle, ctx) {
    var _a;
    for (const [anchor, ...keys] of opt.signal) {
        for (const k of keys) {
            const key = `signal${utilN.capitalize(anchor)}To${utilN.capitalize(k)}`;
            candle[key] = utilN.math.change.percent(candle[anchor], candle[k]);
            for (const period of opt.sma) {
                const winKey = `signal${period}${key}`;
                (_a = ctx.window)[winKey] ?? (_a[winKey] = []);
                ctx.window[winKey].push(candle[key]);
                if (ctx.window[winKey].length > period)
                    ctx.window[winKey].shift();
                candle[`sma${period}${utilN.capitalize(key)}`] = utilN.math.mean(ctx.window[winKey]);
            }
        }
    }
}
export default setCandleSignal;
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