Delete unused file

lib/analytics.ts

@@ -1,62 +0,0 @@
-import type { NextApiRequest } from 'next'
-import type { NextFetchEvent, NextRequest } from 'next/server'
-
-export const initAnalytics = ({
-  request,
-  event
-}: {
-  request: NextRequest | NextApiRequest | Request
-  event?: NextFetchEvent
-}) => {
-  const endpoint = process.env.VERCEL_URL
-
-  return {
-    track: async (eventName: string, data?: any) => {
-      try {
-        if (!endpoint && process.env.NODE_ENV === 'development') {
-          console.log(
-            `[Vercel Web Analytics] Track "${eventName}"` +
-              (data ? ` with data ${JSON.stringify(data || {})}` : '')
-          )
-          return
-        }
-
-        const headers: { [key: string]: string } = {}
-        Object.entries(request.headers).map(([key, value]) => {
-          headers[key] = value
-        })
-
-        const body = {
-          o: headers.referer,
-          ts: new Date().getTime(),
-          r: '',
-          en: eventName,
-          ed: data
-        }
-
-        const promise = fetch(
-          `https://${process.env.VERCEL_URL}/_vercel/insights/event`,
-          {
-            headers: {
-              'content-type': 'application/json',
-              'user-agent': headers['user-agent'] as string,
-              'x-forwarded-for': headers['x-forwarded-for'] as string,
-              'x-va-server': '1'
-            },
-            body: JSON.stringify(body),
-            method: 'POST'
-          }
-        )
-
-        if (event) {
-          event.waitUntil(promise)
-        }
-        {
-          await promise
-        }
-      } catch (err) {
-        console.error(err)
-      }
-    }
-  }
-}