exthos/dist/engine/defaultEngineEventHandler.js

stream processing in nodejs using the power of golang

let streamErrorCounter = {};
function defaultEngineEventHandler(event, eventObj) {
    let eventName = event;
    let self = this;
    if (eventName === "engine.fatal") {
        throw new Error(eventObj["msg"] ||
            "engine.fatal occured, but msg was absent in the eventObj.msg");
    }
    if (eventName === "engineProcess.stream.error") {
        console.log(`           ${eventName}>>${JSON.stringify(eventObj)}`);
        streamErrorCounter[eventObj.stream.streamID] =
            streamErrorCounter[eventObj.stream.streamID] || 0;
        streamErrorCounter[eventObj.stream.streamID] =
            streamErrorCounter[eventObj.stream.streamID] + 1;
        if (streamErrorCounter[eventObj.stream.streamID] === 5) {
            self.remove(eventObj.stream);
        }
    }
    else {
        console.log(`           ${eventName}>>${JSON.stringify(eventObj)}`);
    }
}
export { defaultEngineEventHandler };
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