feat: lots of refactors and improvements

lib/config.ts

@@ -36,6 +36,9 @@ export const pageUrlAdditions = cleanPageUrlMap(
   'pageUrlAdditions'
 )
 
+export const isDev =
+  process.env.NODE_ENV === 'development' || !process.env.NODE_ENV
+
 // general site config
 export const name: string = getSiteConfig('name')
 export const author: string = getSiteConfig('author')
@@ -70,24 +73,20 @@ export const defaultPageCoverPosition: number = getSiteConfig(
   0.5
 )
 
-// Optional utteranc.es comments via GitHub issue comments
-export const utterancesGitHubRepo: string | null = getSiteConfig(
-  'utterancesGitHubRepo',
-  null
-)
-
 // Optional image CDN host to proxy all image requests through
 export const imageCDNHost: string | null = getSiteConfig('imageCDNHost', null)
 
 // Optional whether or not to enable support for LQIP preview images
-// (requires a Google Firebase collection)
 export const isPreviewImageSupportEnabled: boolean = getSiteConfig(
   'isPreviewImageSupportEnabled',
   false
 )
 
-export const isDev =
-  process.env.NODE_ENV === 'development' || !process.env.NODE_ENV
+// Optional whether or not to enable support for LQIP preview images
+export const isTweetEmbedSupportEnabled: boolean = getSiteConfig(
+  'isTweetEmbedSupportEnabled',
+  true
+)
 
 // where it all starts -- the site's root Notion page
 export const includeNotionIdInUrls: boolean = getSiteConfig(
@@ -105,7 +104,6 @@ export const host = isDev ? `http://localhost:${port}` : `https://${domain}`
 export const apiBaseUrl = `${host}/api`
 
 export const api = {
-  createPreviewImage: `${apiBaseUrl}/create-preview-image`,
   searchNotion: `${apiBaseUrl}/search-notion`
 }
 
@@ -119,46 +117,6 @@ export const fathomConfig = fathomId
     }
   : undefined
 
-const defaultEnvValueForPreviewImageSupport =
-  isPreviewImageSupportEnabled && isServer ? undefined : null
-
-export const googleProjectId = getEnv(
-  'GCLOUD_PROJECT',
-  defaultEnvValueForPreviewImageSupport
-)
-
-export const googleApplicationCredentials = getGoogleApplicationCredentials()
-
-export const firebaseCollectionImages = getEnv(
-  'FIREBASE_COLLECTION_IMAGES',
-  defaultEnvValueForPreviewImageSupport
-)
-
-// this hack is necessary because vercel doesn't support secret files so we need to encode our google
-// credentials a base64-encoded string of the JSON-ified content
-function getGoogleApplicationCredentials() {
-  if (!isPreviewImageSupportEnabled || !isServer) {
-    return null
-  }
-
-  try {
-    const googleApplicationCredentialsBase64 = getEnv(
-      'GOOGLE_APPLICATION_CREDENTIALS',
-      defaultEnvValueForPreviewImageSupport
-    )
-
-    return JSON.parse(
-      Buffer.from(googleApplicationCredentialsBase64, 'base64').toString()
-    )
-  } catch (err) {
-    console.error(
-      'Firebase config error: invalid "GOOGLE_APPLICATION_CREDENTIALS" should be base64-encoded JSON\n'
-    )
-
-    throw err
-  }
-}
-
 function cleanPageUrlMap(
   pageUrlMap: PageUrlOverridesMap,
   label: string