feat: Add better npm import, and script entrypoint for customizations (…

…#1550)

* Add better npm import, and script entrypoint for customizations

* Revert move to /lib rather than /lib/src

playground/nextjs/pages/index.tsx

@@ -2,7 +2,7 @@
 import { useActiveFeatureFlags, usePostHog } from 'posthog-js/react'
 import { useEffect, useState } from 'react'
 import { cookieConsentGiven, PERSON_PROCESSING_MODE } from '@/src/posthog'
-import { setAllPersonProfilePropertiesAsPersonPropertiesForFlags } from 'posthog-js/lib/src/customizations/setAllPersonProfilePropertiesAsPersonPropertiesForFlags'
+import { setAllPersonProfilePropertiesAsPersonPropertiesForFlags } from 'posthog-js/lib/src/customizations'
 import { STORED_PERSON_PROPERTIES_KEY } from '../../../src/constants'
 
 export default function Home() {

src/customizations/index.ts

@@ -0,0 +1,2 @@
+export * from './setAllPersonProfilePropertiesAsPersonPropertiesForFlags'
+export * from './before-send'

src/entrypoints/customizations.full.ts

@@ -0,0 +1,7 @@
+// this file is called customizations.full.ts because it includes all customizations
+// this naming scheme allows us to create a lighter version in the future with only the most popular customizations
+// without breaking backwards compatibility
+
+import * as customizations from '../customizations'
+import { assignableWindow } from '../utils/globals'
+assignableWindow.posthogCustomizations = customizations

src/posthog-persistence.ts

@@ -224,7 +224,7 @@ export class PostHogPersistence {
             const campaignParams = Info.campaignParams(this.config.custom_campaign_params)
             // only save campaign params if there were any
             if (!isEmptyObject(stripEmptyProperties(campaignParams))) {
-                this.register(Info.campaignParams(this.config.custom_campaign_params))
+                this.register(campaignParams)
             }
             this.campaign_params_saved = true
         }