Function sendTelemetryEventInternal

src/platform/telemetry/index.ts:165–201

(
    eventName: E,
    measures?: Record<string, number>,
    properties?: P[E],
    ex?: Error
)

> = P[E] extends TelemetryEventInfo<infer R> ? PickType<UnionToIntersection<R>, number> : undefined;

function sendTelemetryEventInternal<P extends IEventNamePropertyMapping, E extends keyof P>(
    eventName: E,
    measures?: Record<string, number>,
    properties?: P[E],
    ex?: Error
) {
    const reporter = getTelemetryReporter();
    let customProperties: Record<string, string> = {};
    let eventNameSent = eventName as string;

    if (ex) {
        // Include a property failed, to indicate there are errors.
        // Lets pay the price for better data.
        customProperties = {};
        // Add shared properties to telemetry props (we may overwrite existing ones).
        Object.assign(customProperties, sharedProperties);
        Object.assign(customProperties, properties || {});
        populateTelemetryWithErrorInfo(customProperties, ex)
            .then(() => {
                customProperties = sanitizeProperties(eventNameSent, customProperties);
                reporter.sendTelemetryEvent(eventNameSent, customProperties, measures);
            })
            .catch(noop);
    } else {
        if (properties) {
            customProperties = sanitizeProperties(eventNameSent, properties);
        }

        // Add shared properties to telemetry props (we may overwrite existing ones).
        Object.assign(customProperties, sharedProperties);
        if (isPerfMeasurementOnCI(eventNameSent)) {
            reporter.sendDangerousTelemetryEvent(eventNameSent, customProperties, measures);
        } else {
            reporter.sendTelemetryEvent(eventNameSent, customProperties, measures);
        }
    }
}

// Type-parameterized form of MethodDecorator in lib.es5.d.ts.
type TypedMethodDescriptor<T> = (