Add PayloadCMS type definitions, Prettier config, and PNPM lockfile

dev/helpers/credentials.ts

@@ -0,0 +1,4 @@
+export const devUser = {
+  email: 'dev@payloadcms.com',
+  password: 'test',
+}

dev/helpers/testEmailAdapter.ts

@@ -0,0 +1,38 @@
+import type { EmailAdapter, SendEmailOptions } from 'payload'
+
+/**
+ * Logs all emails to stdout
+ */
+export const testEmailAdapter: EmailAdapter<void> = ({ payload }) => ({
+  name: 'test-email-adapter',
+  defaultFromAddress: 'dev@payloadcms.com',
+  defaultFromName: 'Payload Test',
+  sendEmail: async (message) => {
+    const stringifiedTo = getStringifiedToAddress(message)
+    const res = `Test email to: '${stringifiedTo}', Subject: '${message.subject}'`
+    payload.logger.info({ content: message, msg: res })
+    return Promise.resolve()
+  },
+})
+
+function getStringifiedToAddress(message: SendEmailOptions): string | undefined {
+  let stringifiedTo: string | undefined
+
+  if (typeof message.to === 'string') {
+    stringifiedTo = message.to
+  } else if (Array.isArray(message.to)) {
+    stringifiedTo = message.to
+      .map((to: { address: string } | string) => {
+        if (typeof to === 'string') {
+          return to
+        } else if (to.address) {
+          return to.address
+        }
+        return ''
+      })
+      .join(', ')
+  } else if (message.to?.address) {
+    stringifiedTo = message.to.address
+  }
+  return stringifiedTo
+}