Use browser-compatible md5 & support Gatsby 3

.husky/.gitignore

@@ -0,0 +1 @@
+_

.husky/pre-commit

@@ -0,0 +1,4 @@
+#!/bin/sh
+. "$(dirname "$0")/_/husky.sh"
+
+yarn format && git update-index --again

gatsby-node.js

@@ -4,5 +4,5 @@ exports.sourceNodes = async ({ actions }, configOptions = {}) => {
   const { createNode } = actions
   const { emails = [], query = '' } = configOptions
 
-  emails.forEach(email => createNode(parseNode(email, query)))
+  emails.forEach((email) => createNode(parseNode(email, query)))
 }

package.json

@@ -23,12 +23,14 @@
     "test": "echo \"No tests yet.\" && exit 0"
   },
   "peerDependencies": {
-    "gatsby": "^2.0.0"
+    "gatsby": "^2.0.0 || ^3.0.0"
+  },
+  "dependencies": {
+    "md5": "^2.3.0"
   },
-  "dependencies": {},
   "devDependencies": {
-    "husky": "^4.2.3",
-    "prettier": "^1.19.1"
+    "husky": "^6.0.0",
+    "prettier": "^2.2.1"
   },
   "husky": {
     "hooks": {

src/index.js

@@ -7,5 +7,5 @@ module.exports = {
   digest,
   parseData,
   parseNode,
-  toUrl
+  toUrl,
 }

src/lib/parse-data.js

@@ -1,4 +1,4 @@
-const digest = require('./digest')
+const md5 = require('md5')
 
 function parseData(_email, _query = null) {
   if (
@@ -10,7 +10,7 @@ function parseData(_email, _query = null) {
     throw Error(`'email' is required in 'gatsby-source-gravatar'.`)
 
   const email = typeof _email === 'string' ? _email : _email.email
-  const hash = digest(email)
+  const hash = md5(email)
   const query = typeof _email === 'object' ? _email.query : _query || null
 
   return {
@@ -20,7 +20,7 @@ function parseData(_email, _query = null) {
 
     email,
     hash,
-    query
+    query,
   }
 }
 

src/lib/parse-node.js

@@ -1,4 +1,4 @@
-const digest = require('./digest')
+const md5 = require('md5')
 const parseData = require('./parse-data')
 
 const parseNode = (email, query = null) => {
@@ -8,16 +8,16 @@ const parseNode = (email, query = null) => {
     ...data,
 
     // Required fields.
-    id: `gravatar-${data.hash}-${digest(data.query || '')}`,
+    id: `gravatar-${data.hash}-${md5(data.query || '')}`,
     parent: null,
     children: [],
     internal: {
       type: `gravatar`,
-      contentDigest: digest(JSON.stringify(data)),
+      contentDigest: md5(JSON.stringify(data)),
       description: `Gravatar URL for email "${data.email}" with ${
         data.query ? 'query "' + data.query + '"' : 'no queries'
-      }.` // Optional.
-    }
+      }.`, // Optional.
+    },
   }
 }