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feat: TA-Lib candlestick patterns — Doji family (part 3 of 9) (#134)

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* feat: add Doji-family candlestick patterns

Five single-/two-bar Doji patterns, all `Input = Candle`, `Output = f64`:

- Doji Star (CDLDOJISTAR) — a long body followed by a doji gapping away in the
  trend direction; bullish +1 (after a black bar), bearish -1 (after a white bar).
- Dragonfly Doji (CDLDRAGONFLYDOJI) — a doji opening and closing at the high with
  a long lower shadow; bullish +1.
- Gravestone Doji (CDLGRAVESTONEDOJI) — a doji opening and closing at the low with
  a long upper shadow; bearish -1.
- Long-Legged Doji (CDLLONGLEGGEDDOJI) — a doji with long shadows on both sides; a
  non-directional indecision flag, +1 on detection.
- Rickshaw Man (CDLRICKSHAWMAN) — a long-legged doji with the body centred in the
  range; a non-directional indecision flag, +1 on detection.

Counter 254 -> 259 (mod-count == lib counted block; FAMILIES total 249 -> 254).

* chore: sync indicator count to 259

---------

Co-authored-by: wickra-bot <wickra-bot@users.noreply.github.com>
This commit is contained in:
kingchenc
2026-06-02 16:45:08 +02:00
committed by GitHub
co-authored by wickra-bot
parent 03ceac1f3b
commit 244d754707
19 changed files with 1051 additions and 39 deletions
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bindings/node/__tests__/indicators.test.js
+5
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@@ -245,6 +245,11 @@ const candleScalar = {
BeltHold: { make: () => new wickra.BeltHold(), step: (ind, i) => ind.update(open[i], high[i], low[i], close[i]), batch: (ind) => ind.batch(open, high, low, close) },
Breakaway: { make: () => new wickra.Breakaway(), step: (ind, i) => ind.update(open[i], high[i], low[i], close[i]), batch: (ind) => ind.batch(open, high, low, close) },
Counterattack: { make: () => new wickra.Counterattack(), step: (ind, i) => ind.update(open[i], high[i], low[i], close[i]), batch: (ind) => ind.batch(open, high, low, close) },
DojiStar: { make: () => new wickra.DojiStar(), step: (ind, i) => ind.update(open[i], high[i], low[i], close[i]), batch: (ind) => ind.batch(open, high, low, close) },
DragonflyDoji: { make: () => new wickra.DragonflyDoji(), step: (ind, i) => ind.update(open[i], high[i], low[i], close[i]), batch: (ind) => ind.batch(open, high, low, close) },
GravestoneDoji: { make: () => new wickra.GravestoneDoji(), step: (ind, i) => ind.update(open[i], high[i], low[i], close[i]), batch: (ind) => ind.batch(open, high, low, close) },
LongLeggedDoji: { make: () => new wickra.LongLeggedDoji(), step: (ind, i) => ind.update(open[i], high[i], low[i], close[i]), batch: (ind) => ind.batch(open, high, low, close) },
RickshawMan: { make: () => new wickra.RickshawMan(), step: (ind, i) => ind.update(open[i], high[i], low[i], close[i]), batch: (ind) => ind.batch(open, high, low, close) },
};
for (const [name, d] of Object.entries(candleScalar)) {