LineChart 공통 Component로 변경

AIProject/iCOWidget/CoinWidget.swift

@@ -237,8 +237,8 @@ struct CoinCardView: View {
                 .frame(maxWidth: .infinity, alignment: .trailing)
 
             }
-
-            SparklineView(prices: coin.history)
+            
+            LineChartView(values: coin.history)
                 .padding(8)
 
             HStack {
@@ -255,54 +255,3 @@ struct CoinCardView: View {
         .frame(maxWidth: .infinity, maxHeight: .infinity)
     }
 }
-
-struct SparklineView: View {
-    let prices: [Double]
-
-    private var normalized: [CGFloat] {
-        guard prices.count > 1 else { return [] }
-        guard let min = prices.min(), let max = prices.max(), min != max else {
-            return Array(repeating: 0.5, count: prices.count)
-        }
-        return prices.map { CGFloat(($0 - min) / (max - min)) }
-    }
-
-    var body: some View {
-        GeometryReader { geo in
-            if normalized.isEmpty {
-                Path { path in
-                    let midY = geo.size.height / 2
-                    path.move(to: CGPoint(x: 0, y: midY))
-                    path.addLine(to: CGPoint(x: geo.size.width, y: midY))
-                }
-                .stroke(Color.gray.opacity(0.4), lineWidth: 1)
-            } else {
-                ZStack {
-                    Path { path in
-                        for (index, value) in normalized.enumerated() {
-                            let x = geo.size.width * CGFloat(index) / CGFloat(normalized.count - 1)
-                            let y = geo.size.height * (1 - value)
-                            if index == 0 {
-                                path.move(to: CGPoint(x: x, y: y))
-                            } else {
-                                path.addLine(to: CGPoint(x: x, y: y))
-                            }
-                        }
-                    }
-                    .stroke(Color.iCoAccent, style: StrokeStyle(lineWidth: 2, lineJoin: .round))
-
-                    if let last = normalized.last {
-                        let x = geo.size.width
-                        let y = geo.size.height * (1 - last)
-
-                        Circle()
-                            .fill(Color.blue)
-                            .frame(width: 6, height: 6)
-                            .position(x: x, y: y)
-                    }
-                }
-            }
-        }
-        //.frame(height: 36)
-    }
-}

AIProject/iCo.xcodeproj/project.pbxproj

@@ -97,6 +97,7 @@
 				App/Resource/Assets.xcassets,
 				Core/Local/UserDefaults/AppStorageKey.swift,
 				"Core/Util/Double+Util.swift",
+				Features/Base/LineChartView.swift,
 			);
 			target = B7C71D282E7BD9D6000E1191 /* iCOWidgetExtension */;
 		};

AIProject/iCo/Features/Base/LineChartView.swift

@@ -0,0 +1,80 @@
+//
+//  LineChartView.swift
+//  iCo
+//
+//  Created by 백현진 on 10/24/25.
+//
+
+import SwiftUI
+
+/// 공통으로 사용할 수 있는 라인 차트(미니 차트) 컴포넌트
+///
+/// - Parameters:
+///   - values: 차트에 표시할 값 목록 (예: 가격 데이터)
+///   - lineColor: 차트 선 색상 (기본값은 `Color.iCoAccent`)
+///   - showsLastDot: 마지막 지점(최근 데이터)에 점을 표시할지 여부 (`true` 시 표시)
+///   - lineWidth: 선의 두께 (기본값: `2`)
+struct LineChartView: View {
+    /// 차트에 표시할 값 목록 (예: 가격 데이터)
+    let values: [Double]
+
+    /// 차트 선 색상 (기본값: aiCoAccent)
+    var lineColor: Color = .iCoAccent
+
+    /// 마지막 지점 표시 여부
+    var showsLastDot: Bool = true
+
+    /// 선 두께
+    var lineWidth: CGFloat = 2
+
+    /// 내부 계산용 정규화된 값
+    private var normalizedValues: [CGFloat] {
+        guard values.count > 1 else { return [] }
+        guard let min = values.min(), let max = values.max(), min != max else {
+            return Array(repeating: 0.5, count: values.count)
+        }
+        return values.map { CGFloat(($0 - min) / (max - min)) }
+    }
+
+    var body: some View {
+        GeometryReader { geo in
+            if normalizedValues.isEmpty {
+                // 값이 없을 때 — 가운데 회색 선 표시
+                Path { path in
+                    let midY = geo.size.height / 2
+                    path.move(to: CGPoint(x: 0, y: midY))
+                    path.addLine(to: CGPoint(x: geo.size.width, y: midY))
+                }
+                .stroke(Color.gray.opacity(0.4), lineWidth: 1)
+            } else {
+                ZStack {
+                    // 스파크라인
+                    Path { path in
+                        for (index, value) in normalizedValues.enumerated() {
+                            let x = geo.size.width * CGFloat(index) / CGFloat(normalizedValues.count - 1)
+                            let y = geo.size.height * (1 - value)
+                            if index == 0 {
+                                path.move(to: CGPoint(x: x, y: y))
+                            } else {
+                                path.addLine(to: CGPoint(x: x, y: y))
+                            }
+                        }
+                    }
+                    .stroke(lineColor, style: StrokeStyle(lineWidth: lineWidth, lineJoin: .round))
+
+                    // 마지막 점
+                    if showsLastDot, let last = normalizedValues.last {
+                        let x = geo.size.width
+                        let y = geo.size.height * (1 - last)
+
+                        Circle()
+                            .fill(lineColor)
+                            .frame(width: 6, height: 6)
+                            .position(x: x, y: y)
+                    }
+                }
+            }
+        }
+    }
+}
+