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feat: TA-Lib candlestick patterns — hikkake-mod/pigeon/neck-lines (part 5 of 9) (#137)

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* feat: add hikkake-modified, homing-pigeon and neck-line candlestick patterns

Five patterns, all `Input = Candle`, `Output = f64`:

- Modified Hikkake (CDLHIKKAKEMOD) — a close-confirmed Hikkake: an inside bar
  then a breakout that closes back inside the inside-bar range; bullish +1,
  bearish -1.
- Homing Pigeon (CDLHOMINGPIGEON) — two black candles, the second a small body
  inside the first, a bullish reversal; +1.
- On-Neck (CDLONNECK) — long black bar then a white bar closing at its low (the
  neckline), a bearish continuation; -1.
- In-Neck (CDLINNECK) — long black bar then a white bar closing just into its
  body, a bearish continuation; -1.
- Thrusting (CDLTHRUSTING) — long black bar then a white bar closing well into
  but below the midpoint of its body, a bearish continuation; -1.

Counter 264 -> 269 (mod-count == lib counted block; FAMILIES total 259 -> 264).

* chore: sync indicator count to 269

---------

Co-authored-by: wickra-bot <wickra-bot@users.noreply.github.com>
This commit is contained in:
kingchenc
2026-06-02 17:03:49 +02:00
committed by GitHub
co-authored by wickra-bot
parent d43bc9ddf3
commit e4ca9c3f8f
19 changed files with 1106 additions and 28 deletions
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bindings/node/__tests__/indicators.test.js
+5
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@@ -255,6 +255,11 @@ const candleScalar = {
GapSideBySideWhite: { make: () => new wickra.GapSideBySideWhite(), step: (ind, i) => ind.update(open[i], high[i], low[i], close[i]), batch: (ind) => ind.batch(open, high, low, close) },
HighWave: { make: () => new wickra.HighWave(), step: (ind, i) => ind.update(open[i], high[i], low[i], close[i]), batch: (ind) => ind.batch(open, high, low, close) },
Hikkake: { make: () => new wickra.Hikkake(), step: (ind, i) => ind.update(open[i], high[i], low[i], close[i]), batch: (ind) => ind.batch(open, high, low, close) },
HikkakeModified: { make: () => new wickra.HikkakeModified(), step: (ind, i) => ind.update(open[i], high[i], low[i], close[i]), batch: (ind) => ind.batch(open, high, low, close) },
HomingPigeon: { make: () => new wickra.HomingPigeon(), step: (ind, i) => ind.update(open[i], high[i], low[i], close[i]), batch: (ind) => ind.batch(open, high, low, close) },
OnNeck: { make: () => new wickra.OnNeck(), step: (ind, i) => ind.update(open[i], high[i], low[i], close[i]), batch: (ind) => ind.batch(open, high, low, close) },
InNeck: { make: () => new wickra.InNeck(), step: (ind, i) => ind.update(open[i], high[i], low[i], close[i]), batch: (ind) => ind.batch(open, high, low, close) },
Thrusting: { make: () => new wickra.Thrusting(), 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)) {