Arthur
84 lines
2.2 KiB
TypeScript
84 lines
2.2 KiB
TypeScript
import { defineAnalyticsProvider } from '../client';
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export interface PostHogProviderOptions {
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/** Your PostHog project API key. */
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apiKey: string;
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/**
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* PostHog API host URL.
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*
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* @default 'https://us.i.posthog.com'
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*/
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apiHost?: string;
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}
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export const posthog = defineAnalyticsProvider<PostHogProviderOptions>(
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(_, config, options) => {
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const apiHost = (options.apiHost ?? 'https://us.i.posthog.com').replace(
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/\/$/,
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'',
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);
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const capture = async (
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distinctId: string,
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event: string,
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properties: Record<string, unknown>,
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): Promise<void> => {
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if (config.debug) {
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console.debug('[@wxt-dev/analytics] Sending event to PostHog:', {
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event,
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properties,
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});
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}
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const body: PostHogCaptureBody = {
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api_key: options.apiKey,
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distinct_id: distinctId,
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event,
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properties,
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timestamp: new Date().toISOString(),
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};
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await fetch(`${apiHost}/i/v0/e/`, {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify(body),
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});
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};
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return {
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identify: async (event) => {
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await capture(event.user.id, '$identify', {
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$set: event.user.properties,
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});
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},
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page: async (event) => {
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await capture(event.user.id, '$pageview', {
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$current_url: event.page.url,
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$title: event.page.title,
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$session_id: event.meta.sessionId,
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$screen: event.meta.screen,
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$language: event.meta.language,
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$referrer: event.meta.referrer,
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$set: event.user.properties,
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});
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},
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track: async (event) => {
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await capture(event.user.id, event.event.name, {
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...event.event.properties,
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$screen: event.meta.screen,
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$language: event.meta.language,
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$referrer: event.meta.referrer,
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$set: event.user.properties,
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});
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},
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};
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},
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);
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/** @see https://posthog.com/docs/api/capture */
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interface PostHogCaptureBody {
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api_key: string;
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distinct_id: string;
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event: string;
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properties: Record<string, unknown>;
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timestamp: string;
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}
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