pricehistory
Version:
Transforms raw OHLCV series data into enriched candles with technical indicators, pattern recognition, and trend analysis.
102 lines • 4.95 kB
JavaScript
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})();
Object.defineProperty(exports, "__esModule", { value: true });
const utilN = __importStar(require("@nameer/utils"));
function setCandleCandlestick(opt, candle, ctx) {
if (opt.candlestick !== true ||
candle.priceOpen === undefined ||
candle.priceHigh === undefined ||
candle.priceLow === undefined ||
candle.priceClose === undefined) {
return;
}
const wickTop = candle.priceHigh;
const bodyTop = Math.max(candle.priceOpen, candle.priceClose);
const bodyBottom = Math.min(candle.priceOpen, candle.priceClose);
const wickBottom = candle.priceLow;
const size = candle.priceRange ?? utilN.math.change.num(wickBottom, wickTop);
const upper = utilN.math.change.num(bodyTop, wickTop);
const body = utilN.math.change.num(bodyBottom, bodyTop);
const lower = utilN.math.change.num(wickBottom, bodyBottom);
const isGapBody = opt.gap === "body";
candle.candlestickTop = isGapBody ? bodyTop : wickTop;
candle.candlestickBottom = isGapBody ? bodyBottom : wickBottom;
candle.candlestickSize = size;
candle.candlestickUpper = utilN.math.percent(upper, size);
candle.candlestickBody = utilN.math.percent(body, size);
candle.candlestickLower = utilN.math.percent(lower, size);
if (ctx.prevTopBottom.length === 2) {
candle.candlestickIsGapUp = ctx.prevTopBottom[0] < candle.candlestickBottom;
candle.candlestickIsGapDown = ctx.prevTopBottom[1] > candle.candlestickTop;
if (candle.candlestickIsGapUp) {
candle.candlestickGapSize = utilN.math.change.percent(ctx.prevTopBottom[0], candle.candlestickBottom);
candle.candlestickGapTarget = ctx.prevTopBottom[0];
}
else if (candle.candlestickIsGapDown) {
candle.candlestickGapSize = utilN.math.change.percent(candle.candlestickTop, ctx.prevTopBottom[1]);
candle.candlestickGapTarget = ctx.prevTopBottom[1];
}
else {
candle.candlestickGapSize = null;
candle.candlestickGapTarget = null;
}
}
candle.candlestickIsBullish = candle.priceClose > candle.priceOpen;
candle.candlestickIsBearish = candle.priceClose < candle.priceOpen;
candle.candlestickIsNeutral = candle.priceClose === candle.priceOpen;
const candlestickUpper = candle.candlestickUpper ?? 0;
const candlestickLower = candle.candlestickLower ?? 0;
const candlestickBody = candle.candlestickBody ?? 0;
candle.candlestickIsHammer =
candlestickLower >= 50 && candlestickBody > candlestickUpper * 2;
candle.candlestickIsHammerGreen =
candle.candlestickIsHammer && candle.candlestickIsBullish;
candle.candlestickIsInvertedHammer =
candlestickUpper >= 50 && candlestickBody > candlestickLower * 2;
candle.candlestickIsInvertedHammerRed =
candle.candlestickIsInvertedHammer && candle.candlestickIsBearish;
candle.candlestickIsMarubozu = candlestickBody >= 80;
candle.candlestickIsMarubozuGreen =
candle.candlestickIsMarubozu && candle.candlestickIsBullish;
candle.candlestickIsMarubozuRed =
candle.candlestickIsMarubozu && candle.candlestickIsBearish;
candle.candlestickIsRejectionTop =
candlestickUpper > candlestickLower * 2 && candlestickUpper >= 15;
candle.candlestickIsRejectionBottom =
candlestickLower > candlestickUpper * 2 && candlestickLower >= 15;
ctx.prevTopBottom = [candle.candlestickTop, candle.candlestickBottom];
}
exports.default = setCandleCandlestick;
//# sourceMappingURL=candle.setCandlestick.js.map