subscribe()

in lib/push_consumer.js [134:139]

• 6 lines of code
• 5 McCabe index (conditional complexity)

    subscribe(topic, expression) {
        assert(this.status === START_STATUS.STOPPED);
        assert(topic && typeof topic === "string");
        assert(!expression || expression && typeof expression === "string");
        return this.core.subscribe(topic, expression || "");
    }