// Application Insights - No-op implementation for basic usage
interface TelemetryData {
[key: string]: any;
}
class ApplicationInsights {
private isEnabled = false;
initialize() {
// Check if Application Insights is configured
const instrumentationKey = process.env.APPLICATIONINSIGHTS_CONNECTION_STRING ||
process.env.APPINSIGHTS_INSTRUMENTATIONKEY;
if (instrumentationKey) {
try {
// Try to load Application Insights if available
const appInsights = require('applicationinsights');
appInsights.setup(instrumentationKey).start();
this.isEnabled = true;
console.log('✅ Application Insights initialized');
} catch (error) {
console.warn('Application Insights not available, using no-op implementation');
}
} else {
console.warn('Application Insights not configured - telemetry disabled');
}
}
trackEvent(_name: string, _properties?: TelemetryData, _measurements?: TelemetryData) {
if (!this.isEnabled) return;
// No-op implementation - could be extended with actual tracking
}
trackRequest(_name: string, _url: string, _duration: number, _resultCode: string | number, _success: boolean, _properties?: TelemetryData) {
if (!this.isEnabled) return;
// No-op implementation
}
trackDependency(_dependencyTypeName: string, _name: string, _data: string, _duration: number, _success: boolean, _resultCode?: string, _properties?: TelemetryData) {
if (!this.isEnabled) return;
// No-op implementation
}
trackException(exception: Error, _properties?: TelemetryData) {
if (!this.isEnabled) return;
// No-op implementation - could log to console in development
if (process.env.NODE_ENV === 'development') {
console.error('Exception tracked:', exception.message);
}
}
trackMetric(_name: string, _value: number, _properties?: TelemetryData) {
if (!this.isEnabled) return;
// No-op implementation
}
trackTrace(_message: string, _severity?: number, _properties?: TelemetryData) {
if (!this.isEnabled) return;
// No-op implementation
}
flush() {
if (!this.isEnabled) return;
// No-op implementation
}
}
export const insights = new ApplicationInsights();
export type { TelemetryData };
