Create sentimentAnalysis.js

src/analytics/sentimentAnalysis.js

@@ -0,0 +1,56 @@
+// sentimentAnalysis.js
+
+class SentimentAnalysis {
+    constructor() {
+        this.positiveWords = ['good', 'great', 'excellent', 'happy', 'love', 'fantastic', 'amazing'];
+        this.negativeWords = ['bad', 'terrible', 'hate', 'sad', 'awful', 'poor', 'disappointing'];
+    }
+
+    // Analyze sentiment of a given text
+    analyzeSentiment(text) {
+        const words = text.toLowerCase().split(/\s+/);
+        let positiveCount = 0;
+        let negativeCount = 0;
+
+        words.forEach(word => {
+            if (this.positiveWords.includes(word)) {
+                positiveCount++;
+            } else if (this.negativeWords.includes(word)) {
+                negativeCount++;
+            }
+        });
+
+        const totalWords = positiveCount + negativeCount;
+        let sentimentScore = 0;
+
+        if (totalWords > 0) {
+            sentimentScore = (positiveCount - negativeCount) / totalWords;
+        }
+
+        return {
+            sentimentScore,
+            sentiment: sentimentScore > 0 ? 'Positive' : sentimentScore < 0 ? 'Negative' : 'Neutral',
+            positiveCount,
+            negativeCount,
+        };
+    }
+
+    // Analyze multiple feedbacks
+    analyzeMultipleFeedbacks(feedbacks) {
+        return feedbacks.map(feedback => ({
+            feedback,
+            analysis: this.analyzeSentiment(feedback),
+        }));
+    }
+}
+
+// Example usage
+const sentimentAnalyzer = new SentimentAnalysis();
+const feedbacks = [
+    "I love this product! It's fantastic.",
+    "This is the worst experience I've ever had.",
+    "The service was okay, nothing special.",
+];
+
+const results = sentimentAnalyzer.analyzeMultipleFeedbacks(feedbacks);
+console.log('Sentiment Analysis Results:', results);