github actions test

Author: zacharyarney

.github/workflows/main.yml

@@ -0,0 +1,39 @@
+name: Run Tests
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [18.x, 20.x]
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v3
+      with:
+        node-version: ${{ matrix.node-version }}
+
+    - name: Install Dependencies
+      run: npm ci
+
+    - name: Run Build
+      run: npm run build
+
+    - name: Lint Check
+      run: npm run lint --if-present
+
+    - name: Validate tests
+      run: npm run test --if-present

src/colors/colorPalette.ts

@@ -32,14 +32,6 @@ class ColorPalette {
     this.algorithm = new Histogram();
   }
 
-  async getHistogram() {
-    if (this.histogram.length === 0) {
-      await this.loadHistogram();
-    }
-
-    return this.histogram;
-  }
-
   protected imageProcessorInit(imageUrl: string): IImageProcessor {
     return new SharpImageProcessor(imageUrl);
   }