98 lines
2.7 KiB
JavaScript
98 lines
2.7 KiB
JavaScript
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import { NativeModules } from 'react-native';
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const { Amplitude: AmplitudeNative } = NativeModules;
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/**
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* Wrapper for the Amplitude native module.
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*/
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class Amplitude {
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/**
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* Create new Amplitude instance.
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*
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* @param {string} instanceName - The name of the Amplitude instance. Should
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* be used only for multi-project logging.
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*/
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constructor(instanceName) {
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this._instanceName = instanceName;
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}
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/**
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* Initializes the Amplitude SDK.
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*
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* @param {string} apiKey - The API_KEY of the Amplitude project.
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* @returns {void}
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*/
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init(apiKey) {
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AmplitudeNative.init(this._instanceName, apiKey);
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}
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/**
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* Sets user properties for the current user.
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*
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* @param {Object} userProperties - The user properties to be set.
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* @returns {void}
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*/
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setUserProperties(userProperties) {
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AmplitudeNative.setUserProperties(this._instanceName, userProperties);
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}
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/**
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* Log an event with eventType and eventProperties.
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*
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* @param {string} eventType - The type of the event.
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* @param {Object} eventProperties - The properties of the event.
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* @returns {void}
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*/
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logEvent(eventType, eventProperties) {
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// The event properties are converted to JSON string because of known
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// performance issue when passing objects trough the RN bridge too
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// often (a few times a second).
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AmplitudeNative.logEvent(
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this._instanceName, eventType, JSON.stringify(eventProperties));
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}
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}
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/**
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* Cache of <tt>Amplitude</tt> instances by instanceName.
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*/
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const instances = {};
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/**
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* The default (with instanceName - undefined) <tt>Amplitude</tt> instance.
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*/
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let defaultInstance;
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export default {
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/**
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* Returns a <tt>Amplitude</tt> instance.
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*
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* @param {Object} options - Optional parameters.
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* @param {string} options.host - The host property from the current URL.
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* @param {string|undefined} options.instanceName - The name of the
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* amplitude instance. Should be used only for multi-project logging.
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* @returns {Amplitude}
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*/
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getInstance(options = {}) {
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let instance;
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const { host = '', instanceName = '' } = options;
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let internalInstanceName = host;
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if (instanceName !== '') {
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internalInstanceName += `-${instanceName}`;
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}
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if (internalInstanceName === '') {
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instance = defaultInstance = defaultInstance || new Amplitude();
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} else {
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instance = instances[internalInstanceName]
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= instances[internalInstanceName]
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|| new Amplitude(internalInstanceName);
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}
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return instance;
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}
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};
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