@gabriel3615/ta_analysis/dist/analysis/integration/plugins/rangePlugin.js

stock ta analysis

import { TradeDirection } from '../../../types.js';
function clamp(value, min = 0, max = 100) {
    return Math.max(min, Math.min(max, value));
}
export function createRangePlugin() {
    return {
        id: 'range',
        category: 'additional',
        extract(input, _context) {
            const r = input.analyses.range;
            let direction = TradeDirection.Neutral;
            let confidence = 50;
            if (r.breakout) {
                direction =
                    r.breakout.direction === 'up'
                        ? TradeDirection.Long
                        : TradeDirection.Short;
                confidence = r.breakout.qualityScore ?? 60;
                if (r.breakout.volumeExpansion)
                    confidence += 10;
                if (r.breakout.followThrough)
                    confidence += 10;
                if (r.breakout.retested)
                    confidence += 10;
            }
            else if (r.compressionScore > 70) {
                confidence = 35;
            }
            return { direction, confidence: clamp(confidence), source: 'range' };
        },
        summarize(input) {
            const r = input.analyses.range;
            const comp = r.compressionScore;
            const br = r.breakout
                ? `${r.breakout.direction}/${r.breakout.qualityScore}`
                : '无突破';
            return `压缩:${comp} 突破:${br}`;
        },
    };
}