mqttjs · Version 1

MQTT.js callback-gated QoS 1 message handling

Two PUBLISH packets arrive together. MQTT.js emits message for packet 1 and invokes handleMessage. Callback 1 gates PUBACK 1 and handling packet 2; packet 2 follows the same event, handler, callback and acknowledgement sequence.

Independent documentation contribution. Maintainer approval is not implied.

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Two PUBLISH packets arrive together. MQTT.js emits message for packet 1 and invokes handleMessage. Callback 1 gates PUBACK 1 and handling packet 2; packet 2 follows the same event, handler, callback and acknowledgement sequence.

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