react-native-firebase/lib/modules/analytics/index.js

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// @flow
import { NativeModules } from 'react-native';
import { nativeSDKMissing } from './../../utils';
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const FirebaseAnalytics = NativeModules.RNFirebaseAnalytics;
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const AlphaNumericUnderscore = /^[a-zA-Z0-9_]+$/;
const ReservedEventNames = [
'app_clear_data',
'app_uninstall',
'app_update',
'error',
'first_open',
'in_app_purchase',
'notification_dismiss',
'notification_foreground',
'notification_open',
'notification_receive',
'os_update',
'session_start',
'user_engagement',
];
export default class Analytics {
constructor() {
if (FirebaseAnalytics.nativeSDKMissing) {
return nativeSDKMissing('analytics');
}
}
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/**
* Logs an app event.
* @param {string} name
* @param params
* @return {Promise}
*/
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logEvent(name: string, params: Object = {}): void {
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// check name is not a reserved event name
if (ReservedEventNames.includes(name)) {
throw new Error(`event name '${name}' is a reserved event name and can not be used.`);
}
// name format validation
if (!AlphaNumericUnderscore.test(name)) {
throw new Error(`Event name '${name}' is invalid. Names should contain 1 to 32 alphanumeric characters or underscores.`);
}
// maximum number of allowed params check
if (params && Object.keys(params).length > 25) throw new Error('Maximum number of parameters exceeded (25).');
// TODO validate param names and values
// Parameter names can be up to 24 characters long and must start with an alphabetic character
// and contain only alphanumeric characters and underscores. Only String, long and double param
// types are supported. String parameter values can be up to 36 characters long. The "firebase_"
// prefix is reserved and should not be used for parameter names.
return FirebaseAnalytics.logEvent(name, params);
}
/**
* Sets whether analytics collection is enabled for this app on this device.
* @param enabled
*/
setAnalyticsCollectionEnabled(enabled: boolean): void {
return FirebaseAnalytics.setAnalyticsCollectionEnabled(enabled);
}
/**
* Sets the current screen name, which specifies the current visual context in your app.
* @param screenName
* @param screenClassOverride
*/
setCurrentScreen(screenName: string, screenClassOverride: string): void {
return FirebaseAnalytics.setCurrentScreen(screenName, screenClassOverride);
}
/**
* Sets the minimum engagement time required before starting a session. The default value is 10000 (10 seconds).
* @param milliseconds
*/
setMinimumSessionDuration(milliseconds: number = 10000): void {
return FirebaseAnalytics.setMinimumSessionDuration(milliseconds);
}
/**
* Sets the duration of inactivity that terminates the current session. The default value is 1800000 (30 minutes).
* @param milliseconds
*/
setSessionTimeoutDuration(milliseconds: number = 1800000): void {
return FirebaseAnalytics.setSessionTimeoutDuration(milliseconds);
}
/**
* Sets the user ID property.
* @param id
*/
setUserId(id: string): void {
return FirebaseAnalytics.setUserId(id);
}
/**
* Sets a user property to a given value.
* @param name
* @param value
*/
setUserProperty(name: string, value: string): void {
return FirebaseAnalytics.setUserProperty(name, value);
}
/**
* Sets a user property to a given value.
* @param object
*/
setUserProperties(object: Object): void {
for (const property of Object.keys(object)) {
FirebaseAnalytics.setUserProperty(property, object[property]);
}
}
get namespace(): string {
return 'firebase:analytics';
}
}