Disable analytics and hovercards (#58954)

Author: heiskr

src/events/components/events.ts

@@ -1,4 +1,5 @@
 import Cookies from '@/frame/components/lib/cookies'
+import { ANALYTICS_ENABLED } from '@/frame/lib/constants'
 import { parseUserAgent } from './user-agent'
 import { Router } from 'next/router'
 import { isLoggedIn } from '@/frame/components/hooks/useHasAccount'
@@ -436,8 +437,7 @@ function initPrintEvent() {
 }
 
 export function initializeEvents() {
-  return
-  // eslint-disable-next-line no-unreachable
+  if (!ANALYTICS_ENABLED) return
   if (initialized) return
   initialized = true
   initPageAndExitEvent() // must come first

src/fixtures/tests/playwright-rendering.spec.ts

@@ -1,6 +1,7 @@
 import dotenv from 'dotenv'
 import { test, expect } from '@playwright/test'
 import { turnOffExperimentsInPage, dismissCTAPopover } from '../helpers/turn-off-experiments'
+import { HOVERCARDS_ENABLED, ANALYTICS_ENABLED } from '../../frame/lib/constants'
 
 // This exists for the benefit of local testing.
 // In GitHub Actions, we rely on setting the environment variable directly
@@ -347,6 +348,8 @@ test('sidebar custom link functionality works', async ({ page }) => {
 })
 
 test.describe('hover cards', () => {
+  test.skip(!HOVERCARDS_ENABLED, 'Hovercards are disabled')
+
   test('hover over link', async ({ page }) => {
     await page.goto('/pages/quickstart')
     await turnOffExperimentsInPage(page)
@@ -691,6 +694,8 @@ test.describe('test nav at different viewports', () => {
 })
 
 test.describe('survey', () => {
+  test.skip(!ANALYTICS_ENABLED, 'Analytics are disabled')
+
   test('happy path, thumbs up and enter comment and email', async ({ page }) => {
     let fulfilled = 0
     let hasSurveyPressedEvent = false

src/frame/lib/constants.ts

@@ -34,3 +34,6 @@ export const minimumNotFoundHtml = `
  &bull; <a href=https://docs.github.com/site-policy/privacy-policies/github-privacy-statement>Privacy</a>
 </small>
 `.replace(/\n/g, '')
+
+export const ANALYTICS_ENABLED = false
+export const HOVERCARDS_ENABLED = false

src/links/components/LinkPreviewPopover.tsx

@@ -1,4 +1,5 @@
 import { useEffect } from 'react'
+import { HOVERCARDS_ENABLED } from '@/frame/lib/constants'
 
 // We postpone the initial delay a bit in case the user didn't mean to
 // hover over the link. Perhaps they just dragged the mouse over on their
@@ -450,6 +451,8 @@ export function LinkPreviewPopover() {
   // This is to track if the user entirely tabs out of the window.
   // For example if they go to the address bar.
   useEffect(() => {
+    if (!HOVERCARDS_ENABLED) return
+
     function windowBlur() {
       popoverHide()
     }
@@ -460,6 +463,8 @@ export function LinkPreviewPopover() {
   }, [])
 
   useEffect(() => {
+    if (!HOVERCARDS_ENABLED) return
+
     function showPopover(event: MouseEvent) {
       const target = event.currentTarget as HTMLLinkElement
       popoverShow(target)