Fixed loading issue when no options are present & fix docs

Author: Adrian Bece

README.md

@@ -3,11 +3,11 @@
 Performant asynchronous font loading plugin for Gatsby.
 
 * Supports web fonts & self-hosted fonts
-* Suports self-hosted fonts
 * Preloads the files & preconnects to the URL
 * Loads fonts asynchronously to avoid render blocking
 * Implemented with [fast loading snippets](https://csswizardry.com/2020/05/the-fastest-google-fonts/)
 * Loading status listener for avoiding FOUT & FOUC
+* Small size & minimal footprint
 
 ## Install
 

gatsby-browser.js

@@ -4,7 +4,7 @@ import { getFontFiles, getFontNames } from "./utils"
 
 export const wrapRootElement = (
   { element },
-  { custom, web, enableListener }
+  { custom = [], web = [], enableListener }
 ) => {
   const allFonts = [...custom, ...web]
   const fontFiles = getFontFiles(allFonts)

gatsby-ssr.js

@@ -7,7 +7,7 @@ import {
 
 export const onRenderBody = (
   { setHeadComponents, setPostBodyComponents },
-  { enableListener, preconnect, web, custom }
+  { enableListener, preconnect = [], web = [], custom = [] }
 ) => {
   const allFonts = [...web, ...custom]
   const preload = getFontFiles(allFonts)