@thuantan2060/technicalindicators/lib/candlestick/BullishMarubozu.js

Techincal Indicators written in javascript

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.DEFAULT_BULLISH_MARUBOZU_CONFIG = void 0;
exports.bullishmarubozu = bullishmarubozu;
exports.default = void 0;
var _CandlestickFinder = _interopRequireWildcard(require("./CandlestickFinder"));
function _interopRequireWildcard(e, t) { if ("function" == typeof WeakMap) var r = new WeakMap(), n = new WeakMap(); return (_interopRequireWildcard = function (e, t) { if (!t && e && e.__esModule) return e; var o, i, f = { __proto__: null, default: e }; if (null === e || "object" != typeof e && "function" != typeof e) return f; if (o = t ? n : r) { if (o.has(e)) return o.get(e); o.set(e, f); } for (const t in e) "default" !== t && {}.hasOwnProperty.call(e, t) && ((i = (o = Object.defineProperty) && Object.getOwnPropertyDescriptor(e, t)) && (i.get || i.set) ? o(f, t, i) : f[t] = e[t]); return f; })(e, t); }
/**
 * Configuration interface for BullishMarubozu pattern.
 * Only uses the scale parameter for approximateEqual function precision.
 */

/**
 * Default configuration for BullishMarubozu pattern.
 */
const DEFAULT_BULLISH_MARUBOZU_CONFIG = exports.DEFAULT_BULLISH_MARUBOZU_CONFIG = {
  ..._CandlestickFinder.DEFAULT_CANDLESTICK_CONFIG
};
class BullishMarubozu extends _CandlestickFinder.default {
  constructor(config) {
    const finalConfig = {
      ...DEFAULT_BULLISH_MARUBOZU_CONFIG,
      ...config
    };
    super(finalConfig);
    this.name = 'BullishMarubozu';
    this.requiredCount = 1;
  }
  logic(data) {
    let daysOpen = data.open[0];
    let daysClose = data.close[0];
    let daysHigh = data.high[0];
    let daysLow = data.low[0];

    // Bullish Marubozu: close > open, close = high, open = low (no shadows)
    let isBullish = daysClose > daysOpen;
    // Note: approximateEqual uses scale for price comparison precision
    let isCloseEqualsHigh = this.approximateEqual(daysClose, daysHigh);
    let isOpenEqualsLow = this.approximateEqual(daysOpen, daysLow);
    let isBullishMarubozu = isBullish && isCloseEqualsHigh && isOpenEqualsLow;
    return isBullishMarubozu;
  }
}
exports.default = BullishMarubozu;
function bullishmarubozu(data, config = DEFAULT_BULLISH_MARUBOZU_CONFIG) {
  return new BullishMarubozu(config).hasPattern(data);
}
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