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Add event callback #10

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Add event callback #10

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23d202a
Added `addEventCallback` function
kleinjoshuaa Mar 17, 2023
b0b9510
cleaned up code
kleinjoshuaa Mar 17, 2023
2106dba
Update ga4mp.js
kleinjoshuaa Mar 24, 2023
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28 changes: 28 additions & 0 deletions src/ga4mp.js
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Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,7 @@ const ga4mp = function (measurement_ids, config = {}) {
beforeLoad: () => {},
beforeRequestSend: () => {},
},
eventCallback: null,
endpoint: 'https://www.google-analytics.com/g/collect',
payloadData: {},
},
Expand Down Expand Up @@ -135,6 +136,21 @@ const ga4mp = function (measurement_ids, config = {}) {
internalModel['persistentEventParameters'][key] = value
}

/**
* Add an events callback, it will be triggered for every track function call
* @param {function} callback
* @returns
*/
const addEventCallback = (callback) => {
if (isFunction(callback)) {
internalModel.eventCallback = callback
} else {
console.error('callback is not a function')
}

}


/**
* setUserProperty
* @param {*} key
Expand Down Expand Up @@ -267,6 +283,17 @@ const ga4mp = function (measurement_ids, config = {}) {
)
}
const payload = buildPayload(eventName, eventParameters, sessionControl)
// run callbacks here

let callbackFn = internalModel.eventCallback;
if(callbackFn !== null) {
try {
callbackFn(internalModel.payloadData.user_id, eventName, eventParameters, internalModel.persistentEventParameters, internalModel.userProperties);
} catch(e) {
console.error('callback failed: '+e)
}
}

if (payload && forceDispatch) {
for (let i = 0; i < payload.tid.length; i++) {
let r = JSON.parse(JSON.stringify(payload))
Expand Down Expand Up @@ -294,6 +321,7 @@ const ga4mp = function (measurement_ids, config = {}) {
setEventsParameter,
setUserId,
trackEvent,
addEventCallback,
}
}

Expand Down