linting

libs/utils/src/calculations/technical-indicators.ts

@@ -9,7 +9,9 @@ import { OHLCVData } from './index';
  * Simple Moving Average
  */
 export function sma(values: number[], period: number): number[] {
-  if (period > values.length) {return [];}
+  if (period > values.length) {
+    return [];
+  }
 
   const result: number[] = [];
 
@@ -25,7 +27,9 @@ export function sma(values: number[], period: number): number[] {
  * Exponential Moving Average
  */
 export function ema(values: number[], period: number): number[] {
-  if (period > values.length) {return [];}
+  if (period > values.length) {
+    return [];
+  }
 
   const result: number[] = [];
   const multiplier = 2 / (period + 1);
@@ -46,7 +50,9 @@ export function ema(values: number[], period: number): number[] {
  * Relative Strength Index (RSI)
  */
 export function rsi(prices: number[], period: number = 14): number[] {
-  if (period >= prices.length) {return [];}
+  if (period >= prices.length) {
+    return [];
+  }
 
   const gains: number[] = [];
   const losses: number[] = [];
@@ -141,7 +147,9 @@ export function bollingerBands(
  * Average True Range (ATR)
  */
 export function atr(ohlcv: OHLCVData[], period: number = 14): number[] {
-  if (period >= ohlcv.length) {return [];}
+  if (period >= ohlcv.length) {
+    return [];
+  }
 
   const trueRanges: number[] = [];
 
@@ -166,7 +174,9 @@ export function stochastic(
   kPeriod: number = 14,
   dPeriod: number = 3
 ): { k: number[]; d: number[] } {
-  if (kPeriod >= ohlcv.length) {return { k: [], d: [] };}
+  if (kPeriod >= ohlcv.length) {
+    return { k: [], d: [] };
+  }
 
   const kValues: number[] = [];
 
@@ -193,7 +203,9 @@ export function stochastic(
  * Williams %R
  */
 export function williamsR(ohlcv: OHLCVData[], period: number = 14): number[] {
-  if (period >= ohlcv.length) {return [];}
+  if (period >= ohlcv.length) {
+    return [];
+  }
 
   const result: number[] = [];
 
@@ -218,7 +230,9 @@ export function williamsR(ohlcv: OHLCVData[], period: number = 14): number[] {
  * Commodity Channel Index (CCI)
  */
 export function cci(ohlcv: OHLCVData[], period: number = 20): number[] {
-  if (period >= ohlcv.length) {return [];}
+  if (period >= ohlcv.length) {
+    return [];
+  }
 
   const typicalPrices = ohlcv.map(d => (d.high + d.low + d.close) / 3);
   const smaTP = sma(typicalPrices, period);
@@ -244,7 +258,9 @@ export function cci(ohlcv: OHLCVData[], period: number = 20): number[] {
  * Momentum
  */
 export function momentum(prices: number[], period: number = 10): number[] {
-  if (period >= prices.length) {return [];}
+  if (period >= prices.length) {
+    return [];
+  }
 
   const result: number[] = [];
 
@@ -260,7 +276,9 @@ export function momentum(prices: number[], period: number = 10): number[] {
  * Rate of Change (ROC)
  */
 export function roc(prices: number[], period: number = 10): number[] {
-  if (period >= prices.length) {return [];}
+  if (period >= prices.length) {
+    return [];
+  }
 
   const result: number[] = [];
 
@@ -280,7 +298,9 @@ export function roc(prices: number[], period: number = 10): number[] {
  * Money Flow Index (MFI)
  */
 export function mfi(ohlcv: OHLCVData[], period: number = 14): number[] {
-  if (period >= ohlcv.length) {return [];}
+  if (period >= ohlcv.length) {
+    return [];
+  }
 
   const typicalPrices = ohlcv.map(d => (d.high + d.low + d.close) / 3);
   const moneyFlows = ohlcv.map((d, i) => typicalPrices[i] * d.volume);
@@ -317,7 +337,9 @@ export function mfi(ohlcv: OHLCVData[], period: number = 14): number[] {
  * On-Balance Volume (OBV)
  */
 export function obv(ohlcv: OHLCVData[]): number[] {
-  if (ohlcv.length === 0) {return [];}
+  if (ohlcv.length === 0) {
+    return [];
+  }
 
   const result: number[] = [ohlcv[0].volume];
 
@@ -341,7 +363,9 @@ export function obv(ohlcv: OHLCVData[]): number[] {
  * Accumulation/Distribution Line
  */
 export function accumulationDistribution(ohlcv: OHLCVData[]): number[] {
-  if (ohlcv.length === 0) {return [];}
+  if (ohlcv.length === 0) {
+    return [];
+  }
 
   const result: number[] = [];
   let adLine = 0;
@@ -367,7 +391,9 @@ export function accumulationDistribution(ohlcv: OHLCVData[]): number[] {
  * Chaikin Money Flow (CMF)
  */
 export function chaikinMoneyFlow(ohlcv: OHLCVData[], period: number = 20): number[] {
-  if (period >= ohlcv.length) {return [];}
+  if (period >= ohlcv.length) {
+    return [];
+  }
 
   const adValues: number[] = [];
 
@@ -406,7 +432,9 @@ export function parabolicSAR(
   step: number = 0.02,
   maxStep: number = 0.2
 ): number[] {
-  if (ohlcv.length < 2) {return [];}
+  if (ohlcv.length < 2) {
+    return [];
+  }
 
   const result: number[] = [];
   let trend = 1; // 1 for uptrend, -1 for downtrend
@@ -467,7 +495,9 @@ export function parabolicSAR(
  * Aroon Indicator
  */
 export function aroon(ohlcv: OHLCVData[], period: number = 14): { up: number[]; down: number[] } {
-  if (period >= ohlcv.length) {return { up: [], down: [] };}
+  if (period >= ohlcv.length) {
+    return { up: [], down: [] };
+  }
 
   const up: number[] = [];
   const down: number[] = [];
@@ -505,7 +535,9 @@ export function adx(
   ohlcv: OHLCVData[],
   period: number = 14
 ): { adx: number[]; plusDI: number[]; minusDI: number[] } {
-  if (period >= ohlcv.length) {return { adx: [], plusDI: [], minusDI: [] };}
+  if (period >= ohlcv.length) {
+    return { adx: [], plusDI: [], minusDI: [] };
+  }
 
   const trueRanges: number[] = [];
   const plusDM: number[] = [];
@@ -572,7 +604,9 @@ export function adx(
  * Volume Weighted Moving Average (VWMA)
  */
 export function vwma(ohlcv: OHLCVData[], period: number = 20): number[] {
-  if (period >= ohlcv.length) {return [];}
+  if (period >= ohlcv.length) {
+    return [];
+  }
 
   const result: number[] = [];
 
@@ -607,7 +641,9 @@ export function pivotPoints(ohlcv: OHLCVData[]): Array<{
   support2: number;
   support3: number;
 }> {
-  if (ohlcv.length === 0) {return [];}
+  if (ohlcv.length === 0) {
+    return [];
+  }
 
   const result: Array<{
     pivot: number;